Electra WNG DCI WNG 50 DCI, WNG 60 DCI, WNG 72 DCI, WNG 80 DCI, DCI 50, DCI 60, DCI 72, DCI 72 Z, DCI 80 split-system air conditioner Service Manual
Below you will find brief information for WNG DCI WNG 50 DCI, WNG DCI WNG 60 DCI, WNG DCI WNG 72 DCI, WNG DCI WNG 80 DCI, DCI 50, DCI 60. These models feature DC inverter technology, R410A refrigerant, pre-charged units, and support indoor air quality features like Ionizer and Active Electrostatic Filter. They also offer low noise levels and easy installation.
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WNG LED/LCD DCI Inverter Series Indoor Units Outdoor Units WNG 50 DCI WNG 60 DCI WNG 72 DCI WNG 80 DCI DCI 50 DCI 60 DCI 72 DCI 72 Z DCI 80 REFRIGERANT R410A HEAT PUMP APRIL 2007 CONTENT WNG DCI LIST OF EFFECTIVE PAGES LIST OF EFFECTIVE PAGES Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page (when none indicates no changes in the relevant page). All pages in the following list represent effected/ non effected pages divided by chapters. Dates of issue for original and changed pages are: Original ....... 0 ........September 2006 Total number of pages in this publication is 107 consisting of the following: Page No. Revision No. # Page No. Revision No. # Page No. Revision No. # Title ....................... 3 A ........................... 3 i ............................. 3 1-1 - 1-4 ................ 3 2-1 - 2-4 ................ 3 3-1 ........................ 3 4-1 - 4-3 ................ 3 5-1 - 5-17 .............. 3 6-1 - 6-3 ................ 3 7-1 ........................ 3 8-1-8-3 .................. 3 9-1-9-2 .................. 3 10-1-10-2 .............. 3 11-1 ....................... 3 12-1-12-23 ............ 3 13-1-13-18 ............ 3 14-1-14-12 ............ 3 15-1-15-10 ............ 3 Appendix -A ...........3 • Zero in this column indicates an original page. *Due to constant improvements please note that the data on this service manual can be modified with out notice. **Photos are not contractual A Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TABLE OF CONTENTS Table of Contents 1. INTRODUCTION ...................................................................................................1-1 2. PRODUCT DATA SHEET ......................................................................................2-1 3. RATING CONDITIONS ..........................................................................................3-1 4. OUTLINE DIMENSIONS .......................................................................................4-1 5. PERFORMANCE DATA & PRESSURE CURVES ...............................................5-1 6. SOUND LEVEL CHARACTERISTICS ..................................................................6-1 7. ELECTRICAL DATA ..............................................................................................7-1 8. WIRING DIAGRAMS .............................................................................................8-1 9. REFRIGERATION DIAGRAMS .............................................................................9-1 10. ELECTRICAL CONNECTIONS .............................................................................10-1 11. TUBING CONNECTIONS......................................................................................11-1 12. CONTROL SYSTEM .............................................................................................12-1 13. TROUBLESHOOTING ..........................................................................................13-1 14. EXPLODED VIEWS AND SPARE PARTS LISTS .................................................14-1 15. APPENDIX A .........................................................................................................15-1 SM - WNG 50_60_72_80 DCI Revision Y07-03 i WNG DCI INTRODUCTION 1. INTRODUCTION 1.1 General The new WNG DCI INVERTER split wall mounted range has expanded, comprising the following RC (heat pump) models: ● WNG50 ● WNG60 ● WNG72 ● WNG80 The indoor WNG units are available as LED or LCD display types, featuring esthetic design, compact dimensions, and low noise operation. 1.2 Main Features The WNG DCI series benefits from the most advanced technological innovations, namely: ● DC inverter technology. ● R410A. ● High COP. ● Pre-Charged units up to the max’ allowing tubing distance. ● Networking system connectivity. ● A dry contact for clock or power shedding functions (configurable). ● Base heater connection. ● Cooling operation at outdoor temperature down to -10°C. ● Heating operation at outdoor temperature down to -15°C. ● Supports Indoor Air Quality features, such as – Ionizer and Active Electrostatic Filter. ● Indoor large diameter cross flow fan, allowing low noise level operation. ● Bended indoor coil with treated aluminum fins and coating for improved efficiency. ● Easy access to the interconnecting tubing and wiring connections, so that removing the front grill or casing is not necessary. ● Refrigerant pipes can be connected to the indoor unit from 5 different optional directions. ● Automatic treated air sweep. ● Low indoor and outdoor noise levels. ● Easy installation and service. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 1-1 WNG DCI INTRODUCTION 1.3 Indoor Unit The indoor unit is wall mounted, and can be easily fitted to many types of residential and commercials applications. Indoor Unit features: Feature WNG 50 Display WNG72/80 LCD or LED LCD Ionizer YES ESF YES Fresh air 1.4 WNG60 YES NO Indoor fan motor Variable speed (PG) Horizontal motorized louver YES Vertical motorized louver YES Heating element NO M2L Cable port YES Dry contact Presence detector or (jumper selected) power shedding Filtration The WNG DCI INV series presents several types of air filters: ● Easily accessible, and re-usable pre-filters (mesh) ● Pre-charged electrostatic filter (disposable) ● Active carbon filter (disposable) ● ESF. Active Electro Static re-usable filter (optional) 1.5 Ionizer (Optional) A special design Ionizer protected by unique patents integrated into the indoor unit, generating negative ions to the room providing comfort and upgraded indoor air quality. 1.6 Control The microprocessor indoor controller, and an infrared remote control, supplied as standard, provides complete operating function and programming. Remote controllers: RC-2/3/4/5/7, RC-4i-1, RCW, μBMS. Networking system Airconet version 4.2 and up, MIU SW version H8 and up. 1-2 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI INTRODUCTION 1.7 Outdoor Unit The WNG DCI INV outdoor units can be installed as floor or wall mounted units by using a wall supporting bracket. The metal sheets are protected from corrosion paint work allowing long life resistance. All outdoor units are pre-charged. For further information please refer to the Product Data Sheet, Chapter 2. Outdoor Unit Feature Feature 1.8 DCI 50 DCI 60 DCI 72/72Z/80 Display 3 LED’s Base Heater Optional Outdoor Fan Variable speed DC Inverter M2L cable Port No Yes Night No Yes STBY No Yes Power Shedding No Yes Alarm No Yes Tubing Connections Flare type interconnecting tubing to be produced on site. For further details please refer to the Installation Manual, Appendix A. 1.9 Accessories Item Description MIU (WNG) MODBUS interface unit RS485 Adapter To be used as an interface with RCW or μBMS remote controllers Base Heater M2L cable Port 1.10 Inbox Documentation Each unit is supplied with its own installation and operation manuals. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 1-3 WNG DCI INTRODUCTION 1.11 Matching Table 1.11.1 R410A INDOOR UNITS OUTDOOR UNITS 1-4 MODEL REFR” WNG50 DCI DCI 50 R410A √ DCI 60 R410A DCI 72 DCI 72Z R410A DCI 80 R410A WNG60 DCI WNG72 DCI WNG80 DCI √ √ √ Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PRODUCT DATA SHEET 2. PRODUCT DATA SHEET 2.1 WNG50 DCI Model Indoor Unit WNG 50 Model Outdoor Unit Installation Method of Pipe Characteristics DCI 50 Flared Units Btu/hr kW kW W/W Capacity (1) OUTDOOR INDOOR Power input (1) EER (Cooling) or COP(Heating) (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds Air flow (2) External static pressure Sound power level (3) Sound pressure level(4) Moisture removal Condenstate drain tube I.D Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant control Compressor type,model Fan type & quantity Fan speeds Air flow Sound power level Sound pressure level(4) Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant type Refrigerant chargless distance Additional charge per 1 meter Connections between units Operation control type Heating elements Others (1) (2) (3) (4) V/Ph/Hz A A A H/M/L H/M/L Min-Max H/M/L H/M/L RPM m3/hr Pa dB(A) dB(A) l/hr mm mm kg mm kg units units WxHxD WxHxD H/L H/L H/L H/L WxHxD RPM m3/hr dB(A) dB(A) mm kg mm kg Units units WxHxD Liquid line Suction line Max.tubing length Max.height difference kg/m g/m In.(mm) In.(mm) m. m. Cooling Heating 17060(5120-20470) 20470(5120-25930) 5.00(1.50-6.00) 6.00(1.50-7.60) 1.46(0.50-2.00) 1.66(0.45-2.20) 3.42 3.61 A A 220-240V/Single/50Hz 6.6 7.5 10.5 20 Crossflow x 1 1200/1050/900 850/760/620 0 55/51/47 43/39/34 2 16 1060x295x210 15 1125x360x280 18 16 units per pallet 8 levels EEV Scroll,Panasonic 5CS130XCC03 Propeller(direct) x 1 920 2160 63 53 795x610x290 39 945x655x395 43 9 units per pallet 3 levels R410A 1.50/7.5 No need 1/4”(6.35) 1/2”(12.7) Max.30 Max. 10 Remote control kW Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. Airflow in ducted units; at nominal external static pressure. Sound power in ducted units is measured at air discharge. Sound pressure level measured at 1 meter distance from unit. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 2-1 WNG DCI PRODUCT DATA SHEET 2.2 WNG60 DCI Model Indoor Unit WNG-60 Model Outdoor Unit Installation Method of Pipe Characteristics Capacity DCI60 Flared Units Btu/hr kW kW W/W (1) OUTDOOR INDOOR Power input (1) EER (Cooling) or COP(Heating) (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds Air flow (2) External static pressure Sound power level (3) Sound pressure level(4) Moisture removal Condenstate drain tube I.D Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant control Compressor type,model Fan type & quantity Fan speeds Air flow Sound power level Sound pressure level(4) Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant type Refrigerant chargless distance Additional charge per 1 meter V/Ph/Hz A A A H/M/L H/M/L Min-Max H/M/L H/M/L RPM m3/hr Pa dB(A) dB(A) l/hr mm mm kg mm kg units units WxHxD WxHxD H/L H/L H/L H/L WxHxD RPM m3/hr dB(A) dB(A) mm kg mm kg Units units WxHxD kg/m g/m In.(mm) In.(mm) Liquid line Suction line Connections between units Operation control type Heating elements Others (1) (2) (3) (4) Cooling Heating 20470(5120-22860) 22180(5120-26950) 6.00(1.50-6.70) 6.50(1.80-7.90) 1.99(0.50-2.20) 1.90(0.45-2.30) 3.02 3.42 B B 220-240V/Single/50Hz 8.9 8.6 10.5 20 Crossflow x 1 1250/1100/1000 900/760/620 0 56/53/48 45/40/34 2 16 1060x295x210 15 1125x360x280 18 16 units per pallet 8 levels EEV Scroll,Panasonic 5CS130XCC03 Propeller(direct) x 1 820 2860 65 55 846x690x302 46 990x770x430 50 9 units per pallet 3 levels R410A 1.65/7.5 No need 1/4”(6.35) 1/2”(12.7) Max.tubing length m. Max.30 Max.height difference m. Max. 10 Remote control kW Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. Airflow in ducted units; at nominal external static pressure. Sound power in ducted units is measured at air discharge. Sound pressure level measured at 1 meter distance from unit. 2-2 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PRODUCT DATA SHEET 2.3 WNG72 DCI Model Indoor Unit WNG-DCI 72 Model Outdoor Unit Installation Method of Pipe Characteristics Capacity GC-DCI 72 Flared Units Btu/hr kW kW W/W (1) Power input (1) EER (Cooling) or COP(Heating) (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds V/Ph/Hz A A A H/M/L H/M/L Min-Max H/M/L H/M/L OUTDOOR INDOOR Air flow (2) External static pressure Sound power level (3) Sound pressure level (4 ) Moisture removal Condenstate drain tube I.D Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant control Compressor type,model Fan type & quantity Fan speeds Air flow Sound power level WxHxD WxHxD H/L H/L H/L H/L WxHxD Sound pressure level (4) Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant type Refrigerant chargless distance Additional charge per 1 meter Connections between units RPM m3/hr Pa dB(A) dB(A) l/hr mm mm kg mm kg units units RPM m3/hr dB(A) dB(A) mm kg mm kg Units units WxHxD kg/m g/m In.(mm) In.(mm) m. Liquid line Suction line Max.tubing length Max.height difference Operation control type Heating elements (Option) Others (1) (2) (3) (4) Cooling Heating 23188(5100~25575) 25916(5100~30000) 6.8(1.5-7.5) 7.6(1.5~8.8) 2.25(0.5-2.8) 2.35(0.45~3.0) 3.01 3.23 B C 220-240V/Single/50Hz 9.8 10.3 15 20 Crossflow x 1 1300/1150/1000 1350/1200/1050 950/800/650 1000/850/700 0 60/54/47 47/41/34 2.5 16 1060x295x210 15 1115x350x260 18 16 8 levels EEV Two Rotary,Mitsubishi TNB220F Propeller(direct) x 1 850 3600 66 56 950x835x412 65.5 1080x910x477 73 2 2 levels R410A 2.4kg/30m No Need 3/8"(9.53) 5/8"(15.88) Max.30 m. Max.15 Remote control kW Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. Airflow in ducted units; at nominal external static pressure. Sound power in ducted units is measured at air discharge. Sound pressure level measured at 1 meter distance from unit. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 2-3 WNG DCI PRODUCT DATA SHEET 2.4 WNG72Z DCI Model Indoor Unit WNG 72 DCI Model Outdoor Unit Installation Method of Pipe Characteristics DCI 72 Z R410A Flared Units Btu/hr kW kW W/W Capacity (4) Power input (4) EER (Cooling) or COP(Heating) (4) Energy efficiency class V Ph Hz A Power supply Rated current Power factor Prated (IDU) Prated (IDU+ODU) Starting current Circuit breaker rating Fan type & quantity Fan speeds OUTDOOR INDOOR Air flow (1) External static pressure Sound power level (2) Sound pressure level (3) Moisture removal Condenstate drain tube I.D Dimensions Net Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant control Compressor type,model Fan type & quantity Fan speeds Air flow Sound power level Sound pressure level (3) Dimensions Net Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant type Standard charge Additional charge Connections between units Operation control type Heating elements(Option) Others (1) (2) (3) (4) W W A A H/M/L H/M/L Min H/M/L H/M/L RPM m3/hr Pa dB(A) dB(A) l/hr mm mm kg mm kg units units WxHxD WxHxD H H H H WxHxD RPM m3/hr dB(A) dB(A) mm kg mm kg Units units WxHxD kg(7.5m) Liquid line Suction line Max.tubing length Max.height difference In.(mm) In.(mm) m. m. Cooling Heating 23200(5120-25590) 24050(5120-30030) 6.80(1.50-7.50) 7.05(1.50-8.80) 2.25(0.5-2.8) 2.19(0.45-3.0) 3.01 3.23 B C 220-240 Single 50 10.0 10.3 0.97 0.97 60 3000 15 20 Crossflow x 1 1350/1150/1000 960/800/670 0 60/56/51 47/43/38 2.5 16 1060x295x210 15 1125x360x280 18 16 8 levels EEV Two Rotary,Sanyo(Sheny) C-7RVN153H0W Propeller(direct) x 1 850 3600 66 56 950x835x412 64.5 1080x910x477 72 4 2 levels R410A 2.3kg 7.5m≤Length≤20m:+0g; 20m≤Length≤30m:+300g 3/8”(9.53) 5/8”(15.88) 30 15 Remote control kW Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. Airflow in ducted units; at nominal external static pressure. Sound power in ducted units is measured at air discharge. Sound pressure level measured at 1 meter distance from unit. 2-4 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PRODUCT DATA SHEET 2.5 WNG80 DCI Model Indoor Unit WNG- 80 Model Outdoor Unit Installation Method of Pipe Characteristics DCI 80 Flared Units Btu/hr kW kW W/W kg/m g/m In.(mm) In.(mm) Cooling Heating 26620(5100~30035) 29010 (5100~32420) 7.8 (1.50~8.8) 8.5 (1.5~9.5) 2.59 (0.50~3.1) 2.65 (0.5~3.2) 3.01 3.21 B C 220-240V/Single/50Hz 11.3 11.5 15 20 Crossflow x 1 1350/1150/1000 1350/1200/1050 1250/1050/900 1250/1100/950 N/A 66/61/57 51/48/44 3 16 1200x340x236 18.5 1305x430x325 24 12 units per pallet 6 levels EEV Twin Rotary DC Inverter Mitsubishi TNB220F Propeller(direct) x 1 850 3600 66 56 950x412x835 66 1080x477x910 73.5 2 units per pallet 3 levels R410A 2.75/30 No need 3/8”(9.53) 5/8”(15.88) Max. tubing length m. Max.30 Max. height difference m. Capacity (1) OUTDOOR INDOOR Power input (1) EER (Cooling) or COP(Heating) (1) Energy efficiency class Power supply Rated current Starting current Circuit breaker rating Fan type & quantity Fan speeds Air flow (2) External static pressure Sound power level (3) Sound pressure level(4) Moisture removal Condensate drain tube I.D Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant control Compressor type, model Fan type & quantity Fan speeds Air flow Sound power level (3) Sound pressure level(4) Dimensions Weight Package dimensions Packaged weight Units per pallet Stacking height Refrigerant type Refrigerant chargless distance Additional charge per 1 meter V/Ph/Hz A A A H/M/L H/M/L Min-Max H/M/L H/M/L RPM m3/hr Pa dB(A) dB(A) l/hr mm mm kg mm kg units units WxHxD WxHxD H/L H/L H/L H/L WxHxD RPM m3/hr dB(A) dB(A) mm kg mm kg Units units WxHxD Liquid line Suction line Connections between units Operation control type Heating elements Others (1) (2) (3) (4) Max. 15 Remote control kW Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511. Airflow in ducted units; at nominal external static pressure. Sound power in ducted units is measured at air discharge. Sound pressure level measured at 1 meter distance from unit. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 2-5 WNG DCI RATING CONDITIONS 3. RATING CONDITIONS Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units). Cooling: Indoor: 27oC DB 19oC WB Outdoor: 35 oC DB Heating: Indoor: 20oC DB Outdoor: 7oC DB 6oC WB 3.1 Operating Limits 3.1.1 R410A Indoor o Outdoor o 46oC DB Upper limit 32 C DB 23 C WB -10oC DB Lower limit 21oC DB 15oC WB 27oC DB 24oC DB 18oC WB Upper limit Heating 10oC DB -15oC DB -16oC WB Lower limit 198 – 264 V Voltage Cooling SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 3-1 WNG DCI OUTLINE DIMENSIONS 4. OUTLINE DIMENSIONS 4.1 Indoor Unit: WNG 50/60/72 DCI 4.2 Outdoor Unit: DCI 50 SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 4-1 WNG DCI OUTLINE DIMENSIONS 4.3 Outdoor Unit: DCI 60 4.4 Indoor Unit: WNG 80 4-2 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI OUTLINE DIMENSIONS 4.5 Outdoor Unit: DCI 72 / 72 Z / 80 SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 4-3 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5. PERFORMANCE DATA 5.1 WNG50 DCI / DCI 50 5.1.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [0C] OD COIL ENTERING AIR DB TEMPERATURE [0C] DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI -10 - 20 (protection range) 25 30 35 40 46 22/15 24/17 27/19 29/21 32/23 4.93 4.10 1.10 4.67 3.94 1.26 4.42 3.78 1.41 4.17 3.62 1.56 3.86 3.43 1.75 80 - 110 % of nominal 80 - 105 % of nominal 25 - 50 % of nominal 5.22 5.51 5.80 4.16 4.22 4.28 1.13 1.15 1.18 4.96 5.25 5.54 4.00 4.06 4.12 1.31 1.28 1.33 4.71 5.29 5.00 3.84 3.90 3.96 1.46 1.44 1.48 4.46 5.04 4.75 3.68 3.74 3.80 1.59 1.61 1.64 4.15 4.44 4.73 3.49 3.55 3.61 1.77 1.80 1.82 6.09 4.34 1.20 5.83 4.18 1.36 5.58 4.02 1.51 5.53 3.86 1.66 5.02 3.67 1.85 LEGEND TC SC PI WB DB ID OD 5.1.2 – – – – – – – Total Cooling Capacity, kW Sensible Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Cooling Capacity Ratio Vs. Outdoor Temperature Capacity Ration 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 20 25 30 35 40 45 Outdoor DB Temperature [ºC] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-1 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.1.3 Heating Capacity (kW) - Run Mode) 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [0C] OD COIL ENTERING AIR DB/WB TEMPERATURE [0C] DATA 15 20 25 TC PI TC PI TC PI TC PI TC PI TC PI TC PI TC PI TC PI 2.73 1.16 3.60 1.31 4.26 1.43 4.59 1.48 4.81 1.52 6.39 1.58 6.72 1.61 7.06 1.64 2.34 1.24 3.21 1.40 3.87 1.51 4.19 1.57 4.41 1.60 6.00 1.66 6.33 1.69 6.66 1.72 85 - 105 % of nominal 80 - 120 % of nominal 1.94 1.33 2.82 1.48 3.47 1.59 3.80 1.65 4.02 1.69 5.61 1.74 5.94 1.77 6.27 1.80 -15/-16 -10/-12 -7/-8 -1/-2 2/1 7/6 10/9 15/12 15-24 (Protection Range) LEGEND TC PI WB DB ID OD 5.1.4 – – – – – – Total Heating Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Heating Capacity Ratio Vs. Outdoor Temperature 1.20 Capacity Ration 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 -15 -10 -5 0 5 10 15 Outdoor WB Temperature [ºC] 5-2 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.2 WNG60 DCI / DCI 60 5.2.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [0C] OD COIL ENTERING AIR DB TEMPERATURE [0C] DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI -10 - 20 (protection range) 25 30 35 40 (Protection Range) 46 (Protection Range) 22/15 24/17 27/19 29/21 32/23 5.91 4.64 1.50 5.61 4.46 1.71 5.30 4.28 1.92 5.00 4.10 2.13 4.64 3.88 2.38 80 - 110 % of nominal 80 - 105 % of nominal 25 - 50 % of nominal 6.26 6.61 6.95 4.71 4.78 4.85 1.54 1.57 1.61 5.96 6.30 6.65 4.53 4.60 4.67 1.78 1.75 1.81 5.65 6.35 6.00 4.35 4.42 4.49 1.99 1.96 2.02 5.35 6.05 5.70 4.17 4.24 4.31 2.17 2.20 2.23 4.99 5.33 5.68 3.95 4.02 4.09 2.42 2.45 2.48 7.30 4.92 1.64 7.00 4.74 1.85 6.70 4.56 2.06 6.39 4.38 2.27 6.03 4.16 2.52 LEGEND TC SC PI WB DB ID OD 5.2.2 – – – – – – – Total Cooling Capacity, kW Sensible Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Cooling Capacity Ratio Vs. Outdoor Temperature 1.20 Capacity Ration 1.10 1.00 0.90 0.80 0.70 0.60 0.50 20 25 30 35 40 45 Outdoor DB Temperature [ºC] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-3 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.2.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [0C] OD COIL ENTERING AIR DB/WB TEMPERATURE [0C] -15/-16 -10/-12 -7/-8 -1/-2 2/1 7/6 10/9 15/12 15-24 (Protection Range) DATA 15 20 25 TC PI TC PI TC PI TC PI TC PI TC PI TC PI TC PI TC PI 2.96 1.33 3.90 1.50 4.61 1.63 4.97 1.70 5.21 1.74 6.93 1.81 7.28 1.84 7.64 1.87 2.53 1.42 3.48 1.60 4.19 1.73 4.54 1.79 4.78 1.84 2.11 1.52 3.05 1.69 3.76 1.82 4.12 1.82 4.35 1.93 6.07 2.00 6.43 2.03 6.79 2.06 6.50 1.90 6.86 1.93 7.22 1.97 85 - 105 % of nominal 80 - 120 % of nominal LEGEND TC PI WB DB ID OD 5.2.4 – – – – – – Total Heating Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Heating Capacity Ratio Vs. Outdoor Temperature Capacity Ration 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 -15 -10 -5 0 5 10 15 Outdoor WB Temperature [ºC] 5-4 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.3 WNG72 DCI / DCI 72 5.3.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [0C] OD COIL ENTERING AIR DB TEMPERATURE [0C] 22/15 DATA -10 - 20 (protection range) 25 30 35 40 (Protection Range) 46 (Protection Range) 24/17 27/19 29/21 TC 80 - 110 % of nominal SC 80 - 105 % of nominal PI 25 - 50 % of nominal 7.09 7.49 7.88 32/23 TC 6.70 8.28 SC 5.04 5.12 5.19 5.27 5.34 PI 1.70 1.74 1.78 1.82 1.85 TC 6.35 6.75 7.14 7.54 7.93 SC 4.85 4.92 5.00 5.07 5.15 PI 1.94 1.98 2.01 2.05 2.09 TC 6.01 6.41 6.80 7.19 7.59 SC 4.65 4.73 4.80 4.87 4.95 PI 2.17 2.21 2.25 2.29 2.33 TC 5.67 6.06 6.46 6.85 7.25 SC 4.45 4.53 4.60 4.68 4.75 PI 2.41 2.45 2.49 2.52 2.56 TC 5.26 5.65 6.04 6.44 6.83 SC PI 4.22 4.29 4.37 4.44 4.52 2.69 2.73 2.77 2.81 2.85 LEGEND TC SC PI WB DB ID OD 5.3.2 – – – – – – – Total Cooling Capacity, kW Sensible Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Cooling Capacity Ratio Vs. Outdoor Temperature 1.20 Capacity Ration 1.10 1.00 0.90 0.80 0.70 0.60 0.50 20 25 30 35 40 45 Outdoor DB Temperature [ºC] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-5 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.3.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [0C] OD COIL ENTERING AIR DB/WB TEMPERATURE [0C] -15/-16 -10/-12 -7/-8 -1/-2 2/1 7/6 10/9 15/12 15-24 (Protection Range) DATA 15 20 25 TC 3.46 2.96 2.46 PI 1.64 1.76 1.88 TC 4.57 4.07 3.57 PI 1.86 1.98 2.09 TC 5.40 4.90 4.40 PI 2.02 2.14 2.25 TC 5.81 5.31 4.81 PI 2.10 2.22 2.33 TC 6.09 5.59 5.09 PI 2.15 2.27 2.39 TC 8.10 7.60 7.10 PI 2.23 2.35 2.47 TC 8.52 8.02 7.52 PI 2.28 2.39 2.51 TC 8.94 8.44 7.94 PI 2.32 2.44 2.55 TC PI 85 - 105 % of nominal 80 - 120 % of nominal LEGEND TC PI WB DB ID OD 5.3.4 – – – – – – Total Heating Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Heating Capacity Ratio Vs. Outdoor Temperature Capacity Ration 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 -15 -10 -5 0 5 10 15 Outdoor WB Temperature [ºC] 5-6 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.4 WNG72 DCI / DCI 72Z 5.4.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [0C] OD COIL ENTERING AIR DB TEMPERATURE [0C] 22/15 DATA -10 - 20 (protection range) 25 30 35 40 (Protection Range) 46 (Protection Range) 24/17 27/19 29/21 TC 80 - 110 % of nominal SC 80 - 105 % of nominal PI 25 - 50 % of nominal 7.09 7.49 7.88 32/23 TC 6.70 8.28 SC 5.04 5.12 5.19 5.27 5.34 PI 1.70 1.74 1.78 1.82 1.85 TC 6.35 6.75 7.14 7.54 7.93 SC 4.85 4.92 5.00 5.07 5.15 PI 1.94 1.98 2.01 2.05 2.09 TC 6.01 6.41 6.80 7.19 7.59 SC 4.65 4.73 4.80 4.87 4.95 PI 2.17 2.21 2.25 2.29 2.33 TC 5.67 6.06 6.46 6.85 7.25 SC 4.45 4.53 4.60 4.68 4.75 PI 2.41 2.45 2.49 2.52 2.56 TC 5.26 5.65 6.04 6.44 6.83 SC PI 4.22 4.29 4.37 4.44 4.52 2.69 2.73 2.77 2.81 2.85 LEGEND TC SC PI WB DB ID OD 5.4.2 – – – – – – – Total Cooling Capacity, kW Sensible Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Cooling Capacity Ratio Vs. Outdoor Temperature 1.20 Capacity Ration 1.10 1.00 0.90 0.80 0.70 0.60 0.50 20 25 30 35 40 45 Outdoor DB Temperature [ºC] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-7 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.4.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [0C] OD COIL ENTERING AIR DB/WB TEMPERATURE [0C] -15/-16 -10/-12 -7/-8 -1/-2 2/1 7/6 10/9 15/12 15-24 (Protection Range) DATA 15 20 25 TC 3.21 2.75 2.28 PI 1.53 1.64 1.75 TC 4.23 3.77 3.31 PI 1.73 1.84 1.95 TC 5.00 4.54 4.08 PI 1.88 1.99 2.10 TC 5.39 4.93 4.47 PI 1.96 2.07 2.17 TC 5.65 5.18 4.72 PI 2.01 2.12 2.22 TC 7.51 7.05 6.59 PI 2.08 2.19 2.30 TC 7.90 7.44 6.98 PI 2.12 2.23 2.34 TC 8.28 7.83 7.37 PI 2.16 2.27 2.38 TC PI 85 - 105 % of nominal 80 - 120 % of nominal LEGEND TC PI WB DB ID OD 5.4.4 – – – – – – Total Heating Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Heating Capacity Ratio Vs. Outdoor Temperature Capacity Ration 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 -15 -10 -5 0 5 10 15 Outdoor WB Temperature [ºC] 5-8 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.5 WNG80 DCI / DCI 80 5.5.1 Cooling Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB/WB TEMPERATURE [0C] OD COIL ENTERING AIR DB TEMPERATURE [0C] DATA TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI TC SC PI -10 - 20 (protection range) 25 30 35 40 (Protection Range) 46 (Protection Range) 22/15 24/17 27/19 29/21 32/23 7.68 6.41 1.96 7.29 6.16 2.23 6.90 5.91 2.50 6.50 5.66 2.77 6.03 5.36 3.10 80 - 110 % of nominal 80 - 105 % of nominal 25 - 50 % of nominal 8.14 8.59 9.04 6.51 6.60 6.70 2.00 2.05 2.09 7.74 8.19 8.65 6.25 6.35 6.45 2.32 2.27 2.36 7.35 8.25 7.80 6.00 6.10 6.20 2.59 2.55 2.63 6.95 7.86 7.41 5.75 5.85 5.95 2.82 2.86 2.91 6.48 6.93 7.39 5.45 5.55 5.64 3.14 3.19 3.23 9.49 6.79 2.13 9.10 6.54 2.41 8.70 6.29 2.68 8.31 6.04 2.95 7.84 5.74 3.28 LEGEND TC SC PI WB DB ID OD 5.5.2 – – – – – – – Total Cooling Capacity, kW Sensible Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Cooling Capacity Ratio Vs. Outdoor Temperature 1.20 Capacity Ration 1.10 1.00 0.90 0.80 0.70 0.60 0.50 20 25 30 35 40 45 Outdoor DB Temperature [ºC] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-9 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.5.3 Heating Capacity (kW) - Run Mode 230[V] : Indoor Fan at High Speed. ID COIL ENTERING AIR DB TEMPERATURE [0C] OD COIL ENTERING AIR DB/WB TEMPERATURE [0C] -15/-16 -10/-12 -7/-8 -1/-2 2/1 7/6 10/9 15/12 15-24 (Protection Range) DATA 15 20 25 TC PI TC PI TC PI TC PI TC PI TC PI TC PI TC PI TC PI 3.87 1.85 5.11 2.09 6.03 2.28 6.50 2.37 6.81 2.43 9.06 2.52 9.53 2.57 10.00 2.61 3.31 1.99 4.55 2.23 5.48 2.41 5.94 2.50 6.25 2.56 2.75 2.12 3.99 2.36 4.92 2.54 5.38 2.63 5.69 2.69 7.94 2.78 8.41 2.83 8.88 2.88 8.50 2.65 8.97 2.70 9.44 2.75 85 - 105 % of nominal 80 - 120 % of nominal LEGEND TC PI WB DB ID OD 5.5.4 – – – – – – Total Heating Capacity, kW Power Input, kW Wet Bulb Temp., (oC) Dry Bulb Temp., (oC) Indoor Outdoor Capacity Correction Factors Heating Capacity Ratio Vs. Outdoor Temperature Capacity Ration 1.20 1.10 1.00 0.90 0.80 0.70 0.60 0.50 0.40 -15 -10 -5 0 5 10 15 Outdoor WB Temperature [ºC] 5-10 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.6 Capacity Correction Factor Due to Tubing Length 5.6.1 WNG 50/60/72/80 DCI: Cooling 1.02 Capacity ratio 1.00 0.98 0.96 0.94 0.92 0.90 0.88 0.86 4 6 8 10 12 14 16 18 20 22 24 26 20 22 24 26 28 30 Tubing length(m) Heating Capacity ratio 5.6.2 1.02 1.00 0.98 0.96 0.94 0.92 0.90 0.88 0.86 0.84 4 6 8 10 12 14 16 18 28 30 Tubing Length(m) SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-11 WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.7 Pressure Curves 5.7.1. Model: WNG50 DCI / DCI 50 Cooling — Test Mode Suction Pressure VS.Outdoor Temp. Suction Pressure [kPa] 1100 1000 900 Indoor DB/WB Tem p' 800 22/ 15 24/ 17 700 27/ 19 29/ 21 600 32/ 23 500 10 15 20 25 30 35 40 45 Outdoor DB Temperature[ºC ] Discharge Pressure VS. Outdoor Temp. Discharge Pressure [kPa] 4000 3500 Indoor DB/WB Tem p' 3000 2500 22/ 15 2000 24/ 17 1500 29/ 21 27/ 19 32/ 23 1000 10 15 20 25 30 35 40 45 Outdoor DB Temperature[ºC ] 5-12 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.7.2. Heating — Test Mode Suction Pressure VS.Outdoor Temp. Suction Pressure [kPa] 1100 1000 900 Indoor DB 800 700 15 20 600 25 500 400 300 200 -15 -10 -5 0 5 10 15 Outdoor WB Temperature[ºC ] Discharge Pressure VS. Outdoor Temp. Discharge Pressure [kPa] 4000 3500 Indoor DB 3000 15 2500 20 25 2000 1500 1000 -15 -10 -5 0 5 10 15 Outdoor WB Temperature SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-13 WNG DCI PERFORMANCE DATA & PRESSURE CURVES Model: WNG60 DCI / DCI 60 Cooling — Test Mode. 5.7.3 Suction Pressure VS.Outdoor Temp. Suction Pressure [kPa] 1100 1000 900 Indoor DB/WB Tem p' 800 22/ 15 24/ 17 700 27/ 19 29/ 21 600 32/ 23 500 10 15 20 25 30 35 40 45 Outdoor DB Temperature[ºC ] Discharge Pressure [kPa] Discharge Pressure VS. Outdoor Temp. 4000 3500 Indoor DB/WB Tem p' 3000 2500 22/ 15 24/ 17 2000 27/ 19 29/ 21 1500 32/ 23 1000 10 15 20 25 30 35 40 45 Outdoor DB Temperature 5-14 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.7.4 Heating — Test Mode Suction Pressure VS.Outdoor Temp. Suction Pressure [kPa] 1100 1000 900 800 Indoor DB 700 15 20 25 600 500 400 300 200 -15 -10 -5 0 5 10 15 Outdoor WB Temperature[ºC ] Discharge Pressure VS. Outdoor Temp. Discharge Pressure [kPa] 4000 3500 3000 Indoor DB 15 2500 20 25 2000 1500 1000 -15 -10 -5 0 5 10 15 Outdoor WB Temperature [ºC ] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-15 WNG DCI PERFORMANCE DATA & PRESSURE CURVES Model: WNG72 DCI / DCI 72 Cooling — Test Mode. 5.7.5 Suction Pressure VS. Outdoor Temp. Suction Pressure [kPa] 1200 1100 Indoor DB/WB Temp. 1000 900 22/15 24/17 27/19 29/21 32/23 800 700 600 10 15 20 25 30 35 40 45 o Outdoor DB Temperature [ C] Discharge Pressure [kPa] Discharge Pressure VS. Outdoor Temp. 4000 Indoor DB/WB Temp. 3500 3000 22/15 24/17 27/19 29/21 32/23 2500 2000 1500 1000 10 15 20 25 30 35 40 45 o Outdoor DB Temperature[ C] 5-16 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.7.6 Heating — Test Mode Suction Pressure VS. Outdoor Temp. Suction Pressure [kPa] 1200 1100 1000 900 800 Indoor DB 700 15 20 25 600 500 400 300 -15 -10 -5 0 5 10 15 o Outdoor WB Temperature[ C] Discharge Pressure VS. Outdoor Temp. Discharge Pressure [kPa] 4000 3500 Indoor DB 3000 15 20 25 2500 2000 1500 -15 -10 -5 0 5 10 15 Outdoor WB Temperature[oC] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-17 WNG DCI PERFORMANCE DATA & PRESSURE CURVES Model: WNG72 DCI / DCI 72Z Cooling — Test Mode. 5.7.7 Suction Pressure [kPa] Suction Pressure vs. Outdoor Temperature 1000 Indoor DB/WB 900 22/15 24/17 27/19 29/21 32/23 800 700 600 10 15 20 25 30 35 40 45 Outdoor DB Temperature Discharge Pressure [kPa] Discharge Pressure vs. Outdoor Temperature Indoor DB/WB 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 22/15 24/17 27/19 29/21 32/23 10 15 20 25 30 35 40 45 Outdoor DB Temperature 5-18 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.7.8 Heating — Test Mode Suction Pressure [kPa] Suction Pressure vs. Outdoor Temperature 1200 1100 1000 900 800 700 600 500 400 300 Indoor DB 15 20 25 -15 -10 -5 0 5 10 15 Outdoor WB Temperature Discharge Pressure [kPa] Discharge Pressure vs. Outdoor Temperature 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 Indoor DB 15 20 25 -15 SM - WNG 50_60_72_80 DCI -10 -5 0 5 Outdoor WB Temperature Revision Y07-03 CONTENT 10 15 5-19 WNG DCI PERFORMANCE DATA & PRESSURE CURVES Model: WNG80 DCI / DCI 80 Cooling — Test Mode. 5.7.9 Suction Pressure VS.Outdoor Temp. Suction Pressure [kPa] 1100 1000 Indoor 900 DB/WB Tem p' 800 22/ 15 24/ 17 27/ 19 29/ 21 700 32/ 23 600 10 15 20 25 30 35 40 45 Outdoor DB Temperature[ºC ] Discharge Pressure [kPa] Discharge Pressure VS. Outdoor Temp. 4000 3500 Indoor DB/WB Tem p. 3000 2500 2000 22/ 15 24/ 17 1500 27/ 19 29/ 21 32/ 23 1000 10 15 20 25 30 35 40 45 Outdoor DB Temperature[ºC ] 5-20 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI PERFORMANCE DATA & PRESSURE CURVES 5.7.10 Heating — Test Mode Suction Pressure VS.Outdoor Temp. Suction Pressure [kPa] 1100 1000 900 800 Indoor DB 700 15 20 600 25 500 400 300 200 -15 -10 -5 0 5 10 15 Outdoor WB Temperature[ºC ] Discharge Pressure [kPa] Discharge Pressure VS. Outdoor Temp. 4000 3750 3500 3250 3000 2750 2500 2250 2000 1750 1500 1250 1000 -15 Indoor DB 15 20 25 -10 -5 0 5 10 15 Outdoor WB Temperature[ºC ] SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 5-21 WNG DCI SOUND LEVEL CHARACTERISTICS 6. SOUND LEVEL CHARACTERISTICS 6.1 Sound Pressure Level Unit 1m Wall 0.8m FAN SPEED LINE HI Mic. ME LO Figure 1 6.2 Sound Pressure Level Spectrum (Measured as Figure 1) WNG 60 NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-20 OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR WNG 50 NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES, Hz NC-20 BAND CENTER FREQUENCIES, Hz WNG 80 OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR WNG 72 NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-20 BAND CENTER FREQUENCIES, Hz SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 6-1 WNG DCI SOUND LEVEL CHARACTERISTICS 6.3 Outdoor units Unit 1m Mic. Ground Figure 2 6.4 Sound Pressure Level Spectrum (Measured as Figure 2) DCI 50 Heating NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-20 OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR DCI 50 Cooling NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz DCI 60 Heating NC-70 NC-60 NC-50 NC-40 NC-30 NC-20 OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR DCI 60 Cooling APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES, Hz 6-2 NC-20 NC-20 BAND CENTER FREQUENCIES, Hz Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI SOUND LEVEL CHARACTERISTICS DCI 72Z Cooling DCI 72Z Heating DCI 72/80 Cooling DCI 72/80 Heating NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC-20 OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR Sound Pressure Level Spectrum (Measured as Figure 2) NC-70 NC-60 NC-50 NC-40 NC-30 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES, Hz BAND CENTER FREQUENCIES, Hz SM - WNG 50_60_72_80 DCI NC-20 Revision Y07-03 CONTENT 6-3 WNG DCI ELECTRICAL DATA 7. ELECTRICAL DATA 7.1 Single Phase Unit Model Power Supply Connected to Maximum Current Inrush Current \(a) Starting Current\(b) Circuit Breaker Power Supply Interconnecting cable WNG50 WNG60 WNG72/80 1 PH ,220-240VAC ,50HZ To indoor To outdoor 13.5A 15A 15.7A 45 A <35A 13.5 A 15A 15.7A 20 A 3 X 2.5 mm² 4 X 2.5 mm² (a) Inrush current is the current when power is up (charging the DC capacitors at outdoor unit controller). (b) Starting current is the current at compressor start up. NOTE Power wiring cord should comply with local lows and electrical regulations requirements. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 7-1 WNG DCI WIRING DIAGRAMS 8. WIRING DIAGRAMS 8.1 Indoor Unit: WNG 50_60 DCI Horizontal step motor Vertical step motor RAT ICT Fresh Ai r P16 12 P11P15P19P14P3 12 P4( red) P5(white) 1 1 2 P2 M2 12 34 5 12 34 5 12 P6(White) P10(Red) P1 ESF power out red 2uF 450V M1 ESF Ionizer power out brown gray blue black white gray capacitor Ionizer M 1 23 4 56 Dry contact (clock) IFAN 2 P12 P8( Red) Indoor unit controller PCB P22 P9 P20 P13 Jumper megatool P7 1 2 3 4 PH-12 1 7 8 9 10 P24 magnetic ring To metal sheet Display 6 5/C 4/L L Note: The dashed part is optional Y/G Y/G Red 8.2 Brown Brown Blue Blue Power supply ~230V 50Hz Outdoor Unit: DCI 50_60 DCI OAT OCT CTT Blue P4 P1 P6 Blue 2 1 Yellow 1 2 P14 Black Orange 1 2 3 4 5 6 Red U V W P3 P9 P11 P13 Base heater Vdc Choke coil White Red Brown Black Reverse valve EARTH Vcc Vsp FG OFAN COMP 1 2 3 4 5 6 1 2 1 2 1 2 1 2 P19 P20 P8 P2 Outdoor unit controller PCB P10 L N COMN-COM Jumper JP9 1 2 3 4 5 6 P12 EARTH P7 6 5 4 3 2 1 Flash JP1 1 2 3 4 Y/G Y/G EEV EMI f i l t er PCB Black Red Blue Brown SM - WNG 50_60_72_80 DCI EARTH NCOM COM N-F EARTH COM L FUSE N Red Brown Blue L-F Revision Y07-03 CONTENT Y/G Y/G C/5 L/4 N/3 Red Brown Blue 8-1 WNG DCI WIRING DIAGRAMS Indoor & Outdoor Units: WNG 72 DCI OUTDOOR UNIT INDOOR UNIT 8.3 8-2 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI WIRING DIAGRAMS Outdoor Units: DCI 72Z CHOKE COIL REVERSE BASE HEATER U V W P 13 P3 P9 P11 VALVE BLUE OFAN (OPTIONAL) 1 2 3 4 5 6 1 2 P4 P14 1 2 P1 1 2 1 2 1 2 1 2 1 2 P19 P20 P2 P8 P5 1 P6 ODU CONTROLLER PCBA P10 L N COM N-COM P7 6 5 4 3 2 1 JP9 1 2 3 4 5 6 P12 EARTH Y/ G FERRITE CORE OCT CTT OAT OMT HST EEV AC MAINS EMI FILTER PCBA EARTH EARTH BLACK RED BLUE BROWN NCOM COM N-F L-F SM - WNG 50_60_72_80 DCI COM N L RED BROWN L FUSE N BLUE RED BROWN BLUE L N C L N BLK BRN RED COMP WHITE 8.4 TO IDU FERRITE CORE Revision Y07-03 CONTENT 8-3 WNG DCI WIRING DIAGRAMS Indoor & Outdoor Units: WNG 80 DCI OUTDOOR UNIT INDOOR UNIT 8.5 8-4 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI REFRIGERATION DIAGRAMS 9. REFRIGERATION DIAGRAMS 9.1 Heat Pump Models 9.1.1 WNG 50_60 / DCI 50_60 Cooling Mode EEV 9.1.2 WNG 50_60 / DCI 50_60 Heating Mode EEV SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 9-1 WNG DCI REFRIGERATION DIAGRAMS 9.1.3 WNG 72/80, DCI 72/72 Z/80 OUTDOOR UNIT INDOOR UNIT Sensor Compressor Sensor Reverse valve Valves Flared connection Indoor coil EEV Outdoor coil Strainer Strainer COOLING & DRY MODE OUTDOOR UNIT INDOOR UNIT Sensor Compressor Sensor Reverse valve Valves Indoor coil EEV Outdoor coil Strainer Flared connection Strainer HEATING MODE 9-2 Revision Y07 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI ELECTRICAL CONNECTIONS 10. ELECTRICAL CONNECTIONS 10.1 WNG 50, WNG 60 DCI 1 ESF-PWR 3 COOL ESF-EN HEAT RESET MODE 5/C 4/L N L 2 4 N 4/L 5/C 7 A B 6 5 1. Indoor unit terminal 2. Ground wire. 3. Indoor coil. 4.Power cable in the indoor side. SM - WNG 50_60_72_80 DCI 5. Multiple wire cable. 6. Cable clamp. 7. Outdoor unit wire terminal. A. OUTDOOR B. INDOOR Revision Y07-03 CONTENT 10-1 WNG DCI ELECTRICAL CONNECTIONS 10.2 WNG 72, WNG 80 DCI 1 ESF-PWR 3 COOL ESF-EN HEAT RESET MODE 5/C 4/L N L 2 7 N 4/L 5/C 6 A B 5 4 1. Indoor unit terminal 2. Ground wire. 3. Indoor coil. 4. Multiple wire cable. A. OUTDOOR B. INDOOR 10-2 5. Cable clamp. 6. Outdoor unit wire terminal. 7. Power cable in the outdoor side (only for outdoor unit power supply) Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TUBING CONNECTIONS 11. TUBING CONNECTIONS TUBE (Inch) ¼” ⅜” ½” ⅝” ¾” 11-13 13-20 11-13 40-45 13-20 11-13 60-65 18-25 11-13 70-75 18-25 11-13 80-85 40-50 11-13 TORQUE (Nm) Flare Nuts Valve Cap Service Port Cap 1. 2. 3. 4. 5. 6. 7. 8. Valve Protection Cap-end Refrigerant Valve Port (use Allen wrench to open/close) Valve Protection Cap Refrigerant Valve Service Port Cap Flare Nut Unit Back Side Copper Tube When the outdoor unit is installed above the indoor unit an oil trap is required every 5m along the suction line at the lowest point of the riser. Incase the indoor unit is installed above the outdoor, no trap is required. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 11-1 WNG DCI CONTROL SYSTEM 12. CONTROL SYSTEM 12.1 General Functions and Operating Rules The DCI software is fully parametric. All the model dependent parameters are shown in Blue color and with Italic style [parameter]. The parameters values are given in the last section of this control logic chapter of the service manual. 12.1.1 System Operation Concept The control function is divided between indoor and outdoor unit controllers. Indoor unit is the system ‘Master’, requesting the outdoor unit for cooling/heating capacity supply. The outdoor unit is the system ‘Slave’ and it must supply the required capacity unless it enters into a protection mode avoiding it from supplying the requested capacity. The capacity request is transferred via indoor to outdoor communication, and is represented by aparameter called ‘NLOAD’. NLOAD is an integer number with values between 0 and 127, and it represents the heat or cool load felt by the indoor unit. 12.1.2 Compressor Frequency Control 12.1.2.1 NLOAD setting The NLOAD setting is done by the indoor unit controller, based on a PI control scheme. The actual NLOAD to be sent to the outdoor unit controller is based on the preliminary LOADcalculation, the indoor fan speed, and the power shedding function. NLOAD limits as a function of indoor fan speed: Indoor Fan Speed Maximum NLOAD Cooling Maximum NLOAD Heating Indoor Fan Speed Low Medium High Turbo Auto Maxium NLOAD Cooling Maxium NLOAD Heating MaxNLOADIF1C MaxNLOADIF2C MaxNLOADIF3C MaxNLOADIF4C MaxNLOADIF5C MaxNLOADIF1H MaxNLOADIF2H MaxNLOADIF3H MaxNLOADIF4H MaxNLOADIF5H NLOAD limits as a function of power shedding: Mode Cooling Heating 12.1.3 Power Shedding OFF No limit No limit Power Shedding ON Nominal Cooling Nominal heating Target Frequency Setting 12.1.3.1 Target Frequency Setting for DCI 50/60/72Z The compressor target frequency is a function of the NLOAD number sent from the indoor controller and the outdoor air temperature. Basic Target Frequency Setting: NLOAD 127 10<NLOAD<127 10 0 Target Frequency Maximum Frequency Interpolated value between minimum and maximum frequency Minimum frequency Compressor is stopped SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-1 WNG DCI CONTROL SYSTEM Target frequency limits as a function of outdoor air temperature (OAT): OAT Range Cooling Mode limits OAT < 6 Heating Mode limits No limit 6 ≤ OAT < 15 MaxFreqAsOAT1H MaxFreqAsOATC 15 ≤ OAT < 28 28≤ OAT MaxFreqAsOAT2H No limit 12.1.3.2 Target Frequency Setting for DCI 72/80 The compressor Target Speed is calculated according to the following formula: ODUNload T arg et Speed load max MinSpeed , MaxSpeed 127 MiniSpeed, MaxSpeed are defined as following: = 15Hz, MaxSpeed = 75Hz When the unit is in the heat mode, MiniSpeedH = 20Hz, MaxSpeed = 95Hz ODU NLOAD is caculated according to the IDU NLoad: When the unit is in the cool mode, MiniSpeedC 3 * IDUNLOAD ODU NLOAD min , 127 ODUCode OAT ≤-5 ≤-5 12.1.4 ODUCodeC 3 3.8 ODUCodeC 3 3 IDUNLOAD Refer to sect.112.1.2.1 Frequency Changes Control When the unit is running normally , the compressor frequency change rate is 1 Hz/sec. 12.1.5 Compressor Starting Control 12.1.5.1 Compressor starting control for DCI50/60/72Zzz Step3 Step2 Step1 1 Minute 12-2 1 Minute Time Min 10 Minutes Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM 12.1.5.2 Compressor starting control for DCI72/80 Step 1 Whenever the compressor starts up, after it has been off for more than 45 minutes, the compressor frequency cannot go below Step1RPS for 3 continuous minutes (this rule comes to ensure oil return to the compressor). Step 2 The compressor speed cannot go above Step2RPS once after each compressor start up for 3 continuous minutes (this rule comes to prevent oil exit from the compressor after its start up). Step 3 The speed cannot go higher than Step3RPS unless it was operating for more than 1 continuous minutes between Step3RPS – 5 and Step3RPS . After passing above Step3RPS, this rule is re-applied when passing below Step3RPS-5. 12.1.6 Minimum On and Off Time 3 minutes 12.1.7 Indoor Fan Control 8 Indoor fan speeds are determined for each model. 4 speeds for cool/dry/fan modes and 4 speeds for heat mode. When user sets the indoor fan speed to a fixed speed (Low/ Medium/ High), unit will operate constantly at set speed. When Auto Fan is selected, indoor unit controller can operate in all speeds. The actual speed is set according to the cool/heat load. 12.1.7.1 Turbo Speed The Turbo speed is activated during the first 30 minutes of unit operation when auto fan speed is selected and under the following conditions: Difference between set point and actual room temperature is bigger then 3 degrees. Room temperature > 22 for cooling, or < 25 for heating. 12.1.8 Outdoor Fan Control 12.1.8.1 Outdoor Fan Control for DCI50/60 7 outdoor fan speeds are determined for each model. 3 speeds for cool and dry modes, and 3 speeds for heat mode, and a very low speed. Outdoor fan speed is a function of compressor frequency and outdoor air temperature (OAT). 4 routines for fan control are determined. The control routine selection depends on operation mode, compressor speed, outdoor air temperature (OAT) and heat sink temperature (HST). Routine Conditions B Heating with OAT < 15°C or Cooling with OAT > 20°C, or Faulty OAT Cooling with 20°C > OAT > 7°C C Cooling with 7°C > OAT D Heating with OAT > 15°C A SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-3 WNG DCI CONTROL SYSTEM OFAN Speed Compressor Target Frequency Routin A Routin B Routin C Routin D Freq=0 OFF OFF OFF OFF 10 ≤ Freq < OFLowFreq Low Low VL Low OFLowFreq ≤ Freq< OFMedFreq Medium Low VL Low OFMedFreq≤ Freq High Low Low Medium When compressor is switched to OFF and the heat sink temperature is above 55 degrees, the outdoor fan will remain ON in low speed for up to 3 minutes. OFAN State at Cool Mode HST Change To Higher OFAN Cool state (*1) 3 Degrees A 3 Degrees B 50 C 7 20 OAT 45 Change To lower OFAN Cool state Note: Periorities A>B>C (*1) If State C, change to B If State B, change to A 12.1.8.2 Outdoor Fan Control for DCI72/72Z/80 OFAN operates between any speed OFMinRPM to OFMaxRPM. The fan speed is also related to protections and OMT value. * For DCI 72Z, in heating mode the OFAN speed is related to OCT. 12.1.9 EEV (Electronic Expansion Vavle) Control 12.1.9.1 EEV Control for DCI50/60 EEV opening is defined as EEV = EEVOL + EEVCV EEVOL is the initial EEV opening as a function of the compressor frequency, operation mode, unit model and capacity. EEVCV is a correction value for the EEV opening that is based on the compressor temperature. During the first 5 minutes of compressor operation EEVCV = 0. Once the first 5 minutes are over, the correction value is calculated as follow: EEVCV(n) = EEVCV(n-1) + EEVCTT EEVCTT is the correction based on the compressor temperature. A target compressor temperature is set depending on frequency and outdoor air temperature, and the actual compressor temperature is compared to the target temperature to set the required correction to the EEV opening. 12-4 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM 12.1.9.2 EEV Control for DCI72/72Z/80 The target EEV value is the sum of open loop value (OL) and a result of the accumulative correction values (CV). EEV EEVOL EEVCV The EEV intial value(OL) is defined as follow: EEVOL= EEVBaseOpenLoop + EEVOpenLoopCpctyCrct + EEVTubeCompnst Basic EEV open loop Open Loop correction EEV tube Length compensation Mode 72/80 72/80 72/80 COOL 220 25 0 HEAT 170 30 0 *For DCI72Z The initial EEVOL is defined in accordance to the compressor frequency EEVCV is a correction value for the EEV opening that is based on the compressor temperature, During the first 6 minutes after SB the correction is not calculated. After that the correction value is updated every 30 seconds. 12.1.10 RV(Reversing Valve) Control Reversing valve is on in heat mode. Switching of RV state is done only after compressor is off for over 3 minutes. 12.1.11 Ioniser Control Ioniser is on when unit is on ,AND indoor fan is on ,AND Ioniser power switch (on Ioniser) is on. 12.1.12 Base Heater Control The base heater will be working only when RV is “ON” according to the following graph: Base Heater OFF ON 0 2 OAT When OAT is faulty the base heater will be “ON” continuously in HEAT mode. 12.2 Fan Mode In high/ medium/ low indoor fan user setting, unit will operate fan in selected speed. In AutoFan user setting, fan speed will be adjusted automatically according to the differencebetween actual room temperature and user set point temperature. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-5 WNG DCI CONTROL SYSTEM 12.3 Cool Mode NLOAD is calculated according to the difference between actual room temperature and user set point temperature by PI control. In high/ medium/ low indoor fan user setting, unit will operate fan in selected speed. In AutoFan user setting, fan speed will be adjusted automatically according to the calculated NLOAD. 12.4 Heat Mode NLOAD is calculated according to the difference between actual room temperature and user set point temperature by PI control. In high/ medium/ low indoor fan user setting, unit will operate fan in selected speed. In AutoFan user setting, fan speed will be adjusted automatically according to the calculated NLOAD. 12.4.1 Temperature Compensation In wall mounted, ducted, and cassette models, 3 degrees are reduced from room temperature reading (except when in I-Feel mode), to compensate for temperature difference between high and low areas in the heated room, and for coil heat radiation on room thermistor. The temperature compensation can be enabled/disabled by shortening of J2 on the indoor unit Controller Model J2 Shorted J2 Opened Wall mounted Cassette Compensation Disabled Compensation Enabled Compensation Enabled Compensation Disabled Ducted Floor/Ceiling Compensation Enabled Compensation Disabled Compensation Disabled Compensation Enabled 12.4.2 Indoor Fan Control in Heating Mode Indoor fan speed depends on the indoor coil temperature: 12.5 Auto Cool/Heat Mode When in auto cool heat mode unit will automatically select between cool and heat mode according to the difference between actual room temperature and user set point temperature (.T). Unit will switch from cool to heat when compressor is off for 3 minutes, and .T < -3. Unit will switch from heat to cool when compressor is off for 5 minutes, and .T < -3. 12-6 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM 12.6 Dry Mode As long as room temperature is higher then the set point, indoor fan will work in low speed and compressor will work between 0 and MaxNLOADIF1C Hz. When the room temperature is lower than the set point, compressor will be switched OFF and indoor fan will cycle 3 minutes OFF, 1 minute ON. 12.7 Protections There are 5 protection codes. Normal (Norm) – unit operate normally. Stop Rise (SR) – compressor frequency can not be raised but does not have to be decreased. HzDown1 (D1) – Compressor frequency is reduced by 2 to 5 Hz per minute. HzDown2 (D2) – Compressor frequency is reduced by 5 to 10 Hz per minute. Stop Compressor (SC) – Compressor is stopped. 12.7.1 Indoor Coil Defrost Protection ICT Trend ICT Fast Increasing Increasing No Change Decreasing Fast ICT< -2 -2 ≤ ICT<0 0 ≤ ICT < 2 2 ≤ ICT< 4 4 ≤ ICT < 6 6 ≤ ICT ≤ 8 ICT> 8 SC D1 SR SR Norm Norm SC D1 SR SR Norm Norm SC D2 D1 SR SR Norm Norm SC D2 D2 D1 SR SR SC D2 D2 D2 D1 SR 12.7.2 Indoor Coil Overheating Protection 12.7.2.1 Indoor Coil Overheating Protection For 50/60/72Z ICT Trend ICT Fast Decreasing Decreasing No Change Increasing Fast Increasing ICT >62 60 ≤ ICT < 62 55≤ ICT <60 52≤ ICT < 55 48≤ ICT < 52 45≤ ICT ≤ 48 ICT <45 SC D1 SR SR Norm Norm SC D1 SR SR Norm Norm SC D2 D1 SR SR Norm Norm SC D2 D2 D1 SR SR SC D2 D2 D2 D1 SR SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-7 WNG DCI CONTROL SYSTEM 12.7.2.2 Indoor Coil Overheating Protection For 72/80 ICT Trend ICT <-2 -2 -1,0,1 2 >2 ICT >62 SC SC SC SC SC 60 ≤ ICT < 62 D1 D1 D2 D2 D2 58≤ ICT <60 SR SR D1 D2 D2 56≤ ICT < 58 SR SR SR D1 D2 54≤ ICT < 56 Norm Norm SR SR D1 52≤ ICT ≤ 54 Norm Norm Norm SR SR ICT <52 12.7.3 Norm Compressor Overheating Protection 12.7.3.1 Compressor Overheating Protection for DCI50/60/72Z Compressor temperature can be in one of 5 control zones (4 in protection, and 1 normal),according to the following chart. CTT 105 102 98 94 Stop-Compressor P3 P2 P1 Normal Control Status Compressor Temperature Increases Else P1 Normal Stop Rise P2 HzDown 1 Stop Rise P3 HzDown 2 HzDown 1 Stop Compressor Stop Compressor 12-8 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM 12.7.3.2 Compressor Overheating Protection for DCI72/80 CTT Trend CTT Fast Decreasing Decreasing No Change Increasing Fast Increasing CTT >105 100≤ CTT < 105 95≤CTT <100 SC SC SC SC SC D1 D1 D2 D2 D2 SR SR D1 D2 D2 93≤CTT < 100 85≤CTT < 95 SR SR SR D1 D1 90≤CTT ≤ 93 80≤CTT ≤ 85 Norm Norm Norm SR SR CTT <90 CTT <80 Cool Heat CTT >105 100≤ CTT < 105 98≤CTT <100 12.7.4 Norm Compressor Over Current Protection Only For DCI50/60/72Z CCR Stop-Compresor CCROC4 HzDown2 CCROC3 HzDown1 CCROC2 Stop-Rise CCROC1 Normal 12.7.5 Heat Sink Overheating Protection 12.7.5.1 Heat Sink Overheating Protection For DCI50/60/72Z HST Trend HST Fast Decreasing Decreasing No Change Increasing Fast Increasing HST ≥ 90 SC SC SC SC SC 85 ≤ HST < 90 D1 D1 D2 D2 D2 82 ≤ HST < 85 SR SR D1 D2 D2 80≤ HST< 82 SR SR SR D1 D1 78 ≤ HST ≤ 80 Norm Norm Norm SR SR HST < 78 SM - WNG 50_60_72_80 DCI Norm Revision Y07-03 CONTENT 12-9 WNG DCI CONTROL SYSTEM 12.7.5.2 Heat Sink Overheating Protection For DCI72/80 Delta HST HST <-2 -2 -1,0,1 2 >2 HST≥ 81 SC SC SC SC SC 79 ≤ HST < 81 D1 D1 D2 D2 D2 75 ≤ HST < 79 SR SR D1 D2 D2 73≤ HST< 75 SR SR SR D1 D1 71 ≤ HST ≤ 73 Norm Norm Norm SR SR HST < 71 12.7.6 Norm System Over Power Protection Only For DCI72/80 Delta PWR Power < -2000 [-2000,0) 0 (0,2000] > 2000 PWR ≥ 2900 SC SC SC SC SC 3300≤PWR < 3500 2750≤PWR < 2900 D1 D1 D2 D2 D2 3100 ≤PWR < 3300 2600≤PWR < 2750 SR SR D1 D2 D2 3000≤PWR < 3100 2450≤PWR < 2600 2300 ≤PWR ≤ 2450 PWR < 2300 SR SR SR D1 D1 Norm Norm Norm SR SR PWR1 PWR ≥ 3500 2950 ≤PWR ≤ 3000 PWR < 2950 PWR2 Norm There are two sets of OVRPWR values, the selection of the values are set according to the state of the Power-Shed input. Power-Shed input open Set values 1 Power-Shed input sort Set values 2 12.7.7 Outdoor Coil Deicing Protection 12.7.7.1 Outdoor coil Deicing Protection For DCI50/60/72Z ► Entering Deicing Conditions Deicing operation will start when either one of the following conditions exist: Case 1: OCT < OAT – 8 AND TLD > DI Case 2: OCT < OAT – 12 AND TLD > 30 minutes. Case 3: OCT is Invalid AND TLD > DI Case 4: Unit is just switched to STBY AND OCT < OAT – 8 Case 5: NLOAD = 0 AND OCT < OAT -8 Case 6: OCT<-19 AND TLD>60 minutes All this condition will exist during 10 seconds OCT – Outdoor Coil Temperature OAT – Outdoor Air Temperature TLD – Time from Last Deicing DI – Deicing Interval (Time Interval Between Two Deicing) Deicing interval time when compressor is first started in heat mode, is 10 minutes if OCT < -2, and is 40 minutes in other cases. Deicing interval time is changed (increased/ decreased in 10 minutes steps) as a function of deicing time. If deicing time is shorter then former deicing time, the deicing interval time will be increased. If deicing time is longer then former deicing time, the deicing interval time will be decreased. 12-10 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM Deicing Operation Procedure ► OCT 12 0 T h re s h o ld COMP ON T1 T2 DT m a x. 1 2 m in u te s D e ic e F re q C h R V RV HEAT COOL O FAN T1 T3 T3 ON OFF EEV E E V D e ic e rO p e n Any T1=60 secondes;T2=36 secondes;T3=6 secondes 12.7.7.2 Outdoor coil Deicing Protection For DCI72/80 Entering Deicing Conditions Deicing operation will start when either one of the following conditions exist: Case 1: OCT < OAT – 8 AND TLD > DI Case 2: OCT < OAT – 12 AND TLD > 30 minutes. Case 3: OCT is Invalid AND TLD > DI Case 4: Unit is just switched to STBY AND OCT < OAT – 8 Case 5: NLOAD = 0 AND OCT < OAT - 8 Case 6: OAT is invalid AND OCT< 8 AND TLD > DI AND Compressor ON Time > 15 minutes All this condition will exist during 400 seconds OCT – Outdoor Coil Temperature OAT – Outdoor Air Temperature TLD – Time from Last Deicing DI – Deicing Interval (Time Interval between Two Deicing) Deicing interval time when compressor is first started in heat mode, is 10 minutes if OCT < -2, and is 40 minutes in other cases. Deicing interval time is changed (increased/ decreased in 10 minutes steps) as a function of deicing time. If deicing time is shorter then former deicing time, the deicing interval time will be increased. If deicing time is longer then former deicing time, the deicing interval time will be decreased. ► SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-11 WNG DCI CONTROL SYSTEM Deicing Operation Procedure ► OCT 12 0 Threshold COMP ON T1 T2 T1 max. 12 minutes DT HEAT RV T3 COOL OFAN T3 ON OFF EEVDeicerOpen EEV Any T1=50 secondes;T2=36 secondes;T3=6 secondes 12.7.8 Condensate Water Over Flow Protection Each of the pins P1, P2, P3 can have two options: 1 – When it is shorted with P4 0 – When it is not shorted to P4 ► Water Level Protection-1 level P1 P2 P3 Level Don’t care Don’t care 1 Normal Don’t care Don’t care 0 Overflow (*) 1- Pin P1, P2, or P3 is connected to P4. 0- Pin P1, P2 or P3 is not connected to P4. 12-12 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM Overflow when unit is ON Overflow Water Level Overflow when unit is OFF Normal ON OPER LED OFF BLINK ANY NLOAD NLOAD is forced to 0 0 ON PUMP OFF 8 min 12.8 8 min 8 min Indoor Unit Dry Contact Indoor unit Dry contact has two alternative functions that are selected by J9. Function Contact=open Contact=short J9=open Presence Detector Connection No limit Force to STBY J9=short Power Shedding Function No limit Limit NLOAD 12.9 Operating the Unit from Mode Button Forced operation allows to start, stop and operate in Cooling or Heating, in pre-set temperature according to the following table: Forced operation Mode Pre-set Temperature Cooling 20°C Heating 28°C SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-13 WNG DCI CONTROL SYSTEM 12.10 On Unit Controls and Indicators 12.10.1 Indoor Unit controller Controls and Indicatiors for All Models Except for Floor/Ceiling model During OFF, Fan, Cool, Heat, Dry, and Auto modes (for operation in other modes, see at the relevant spec paragraph): STAND BY INDICATOR 1. Lights up when the Air Conditioner is connected to power and ready to receive the R/C commands OPERATION INDICATOR 1. Lights up during operation. 2. Blinks for 300 msec., to announce that a R/C infrared signal has been received and stored. 3. Blinks continuously during protections (according to the relevant spec section). TIMER INDICATOR Lights up during Timer and Sleep operation. FILTER INDICATOR Lights up when Air Filter needs to be cleaned. COOLING INDICATOR Lights up when system is switched to Cool Mode by using the Mode Switch on the unit. HEATING INDICATOR Lights up when system is switched Heat Mode by using the Mode Switch on the unit. Mode SWITCH (COOL/HEAT/OFF) Every short pressing , the next operation mode is selected, in this order : SB → Cool Mode → Heat Mode → SB → … In long pressing system enters diagnostic mode. For short pressing: RESET / FILTER SWITCH When Filter LED is on - turn off the FILTER INDICATOR after a clean filter has been reinstalled. When Filter LED is off – enable/disable the buzzer announcer, if selected. In long pressing system enters set up mode (if in SB). 12.10.2 Outdoor Unit controller Indicatiors Unit has three LED’s. SB LED is ON when power is ON (230 VAC, even when no communication). STATUS LED is ON when COMP is ON, and Blinks according to diagnostics mode definitions when either fault or protection occurs. FAULT LED Blinks according to diagnostics mode definitions when either fault or protection occurs. 12-14 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM 12.11 Test Mode 12.11.1 Entering Test Mode System can enter Test mode in two ways: Automatically when the following conditions exists for 30 minutes continuously: Mode = Cool, Set point = 16, Room temperature = 27(+1/−2), Outdoor temperature = 35(+2/-1) Or Mode = Heat, Set point = 30, Room temperature = 20±1, Outdoor temperature = 7±(+1/-2) Manually when entering diagnostics with the following settings: Mode = Cool, Set point = 16 Mode = Heat, Set point = 30 12.11.2 Unit Operation in Test Mode In test mode, the unit will operate in fixed settings according to the indoor fan speed setting: Indoor FAN Speed Setting Unit Setting Low Minimum Capacity Setting Turbo Auto Nominal Capacity Setting Maximum Capacity Setting During test mode, protections are disabled, except for stop compressor status. 12.12 SW Parameters 12.12.1 Indoor Units SW Parameters Model dependent parametes - KN Cap .Group NomLoadC NomLoadH MaxNLOADIF1C MaxNLOADIF2C MaxNLOADIF3C MaxNLOADIF4C MaxNLOADIF5C MinRTC MaxNLOADRTC MaxNLOADIF1H MaxNLOADIF2H MaxNLOADIF3H MaxNLOADIF4H MaxNLOADIF5H MaxNLOADRTH MaxRTH MaxNLOADPSC MaxNLOADPSH A (KN-60) 3 81 77 55 70 127 127 127 20 127 127 127 127 127 127 127 27 81 77 SM - WNG 50_60_72_80 DCI B (KN-72) 4 61 59 44 50 120 127 127 20 127 127 127 127 127 127 127 27 61 59 C (KN-80) 4 67 67 85 102 120 127 127 20 127 127 127 127 127 127 127 27 67 67 Revision Y07-03 CONTENT 12-15 WNG DCI CONTROL SYSTEM Model dependent parameters - DNG Unit A (DNG50) B (DNG60) C (DNG72) D (DNG80) 3 62 74 22 28 30 32 40 50 63 120 127 127 20 127 127 127 127 127 127 127 27 62 74 3 77 80 22 28 30 32 40 50 63 120 127 127 20 127 127 127 127 127 127 127 27 77 80 4 57 55 22 28 30 32 40 63 85 115 127 127 20 127 127 127 127 127 127 127 27 57 55 4 60 63 22 28 30 32 40 78 100 127 127 127 20 127 127 127 127 127 127 127 27 60 63 Cap .Group NomLoadC NomLoadH ICTSTSpeed ICTVLSpeed ICTLSpeed ICTHSpeed ICTTSpeed MaxNLOADIF1C MaxNLOADIF2C MaxNLOADIF3C MaxNLOADIF4C MaxNLOADIF5C MinRTC MaxNLOADRTC MaxNLOADIF1H MaxNLOADIF2H MaxNLOADIF3H MaxNLOADIF4H MaxNLOADIF5H MaxNLOADRTH MaxRTH MaxNLOADPSC MaxNLOADPSH Model dependent parameters - WNG (WNG) Wall Mounted Models Parameter name 25 35 50 60 72 80 NLOAD limits as a function of selected indoor fan speed MaxNLOADIF1C 40 40 45 50 53 68 MaxNLOADIF2C 53 53 62 85 75 90 MaxNLOADIF3C 120 120 120 120 105 120 MaxNLOADIF4C 127 127 127 127 127 127 MaxNLOADIF5C 127 127 127 127 127 127 Indoor Fan speeds IFVLOWC 700 700 700 800 850 850 IFLOWC 800 800 900 1000 1000 1000 IFMEDC 900 950 1050 1100 1150 1150 IFHIGHC 1050 1100 1200 1250 1350 1300 IFTURBOC 1150 1200 1250 1300 1400 1350 IFVLOWH 700 700 700 800 900 900 IFLOWH 800 850 900 950 1050 1050 IFMEDH 950 1000 1100 1150 1200 1200 IFHIGHH 1100 1150 1250 1250 1350 1300 IFTURBOH 1200 1250 1300 1300 1400 1350 12-16 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM Model dependent parameters - PXD A (PXD50) B (PXD60) C (PXD72) D (PXD80) Cap .Group 3 3 NomLoadC 68 80 NomLoadH 77 82 MaxNLOADIF1C 40 50 MaxNLOADIF2C 60 85 MaxNLOADIF3C 90 127 MaxNLOADIF4C 90 127 MaxNLOADIF5C 90 127 MinRTC 20 20 MaxNLOADRTC 127 127 MaxNLOADIF1H 127 127 MaxNLOADIF2H 127 127 MaxNLOADIF3H 127 127 MaxNLOADIF4H 127 127 MaxNLOADIF5H 127 127 MaxNLOADRTH 127 127 MaxRTH 27 27 MaxNLOADPSC 68 80 MaxNLOADPSH 77 82 4 60 60 127 127 127 127 127 20 127 127 127 127 127 127 127 27 60 60 4 63 67 127 127 127 127 127 20 127 127 127 127 127 127 127 27 63 67 Unit SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-17 WNG DCI CONTROL SYSTEM 12.12.2 Outdoor Units SW Parameters: Model dependent parameters for DCI50/60 # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 12-18 Name MinFreqC MaxFreqC MinFreqH MaxFreqH NormAccel NormDecel Step1Freq Step2Freq Step3Freq OFVL OFLOWC OFMEDC OFMAXC OFLOWH OFMEDH OFMAXH OFANTESTMODEC OFANTESTMODEH OFDelTestMode CTTOH1 CTTOH2 CTTOH3 CTTOH4 CCROC1 CCROC2 CCROC3 CCROC4 DEICT1 DEICT2 DEICT3 ProtFreqLimit EEVDecierOpen OptimDeicFreq EEVMinOperOpenC EEVMaxOperOpenC EEVMinOperOpenH EEVMaxOperOpenH EEVNormRate EEVHighRate EEVMaxOpen OFLowFreqC OFMedFreqC OFLowFreqH OFMedFreqH HeaterDisableFlag DeiceFreqChRV OATRefC SUCT Enable HST Enable OAT Enable OATRefH MinTargCTTC MaxTargCTTC MinTargCTTH MaxTargCTTH DST DSTF OATLimitC OATLimit1H OATLimit2H MaxFreqAsOATC MaxFreqAsOAT1H MaxFreqAsOAT2H Single DCI-50 Single DCI 60 20 85 20 95 1 1 60 70 90 20 60 76 92 60 83 100 92 100 28 94 98 102 105 10 10.5 10.8 11.2 60 36 6 60 100 90 50 380 50 380 33 12 500 40 70 40 86 0 0 35 0 1 1 7 30 95 40 95 8 12 28 6 15 64 85 60 20 95 26 94 1 1 60 70 90 20 55 70 79 55 70 79 83 83 28 94 98 102 105 11.4 11.8 12.2 12.6 60 36 6 60 180 90 80 380 60 300 33 12 500 35 55 40 60 0 0 35 0 1 1 7 30 90 45 90 8 12 28 6 15 85 80 60 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI CONTROL SYSTEM Model dependent parameters for DCI72Z No. Name Single DCI-72Z 1 MinFreqC 15 2 MaxFreqC 70 3 MinFreqH 15 4 MaxFreqH 90 7 Step1Freq 35 8 Step2Freq 55 9 Step3Freq 90 10 OFMinRPM 8 11 OFMaxRPM 90 12 NightRPM 65 13 OFNNoiseMaxRPM 78 14 CTTOH1 90 15 CTTOH2 95 16 CTTOH3 100 17 CTTOH4 105 18 CCROC1 12.5 19 CCROC2 13.3 20 CCROC3 14.1 21 CCROC4 14.9 22 ProtFreqLimit 60 23 EEVMinOperOpenC 50 24 EEVMaxOperOpenC 480 25 EEVMinOperOpenH 50 26 EEVMaxOperOpenH 480 27 HeaterDisableFlag 0 28 HST Enable 1 29 OATLimitC 24 30 OATLimit1H 6 31 OATLimit2H 15 32 MaxFreqAsOATC 60 33 MaxFreqAsOAT1H 85 34 MaxFreqAsOAT2H 75 35 NormAccel 1 36 NormDecel 1 SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 12-19 WNG DCI CONTROL SYSTEM Model dependent parameters for DCI72/80 Compressor Parameters Value MinOFFTime 3 MinOnTime 3 MaxCTT1 90 MaxCTT2 90 MinSpeedAsCTT1 26 MinSpeedAsCTT2 26 MaxSpeedC 75 MaxSpeedH 95 Step1RPS 40 Step2RPS 60 Step3RPS 75 NormAcc (sec/RPS) 1 NormDec (sec/RPS) 1 Down1(Sec/RPS) 12 Down2 (Sec/RPS) 7 DeiceAcc (Sec/RPS) 0.2 DeiceDec (Sec/RPS) 0.5 EEV Parameters Value NormEEVRate 30 EEVCompOFFOpen 200 EEVCompOFFTime 60 EEVMaxOpen 500 EEVMinOperOpenC 60 EEVMaxOperOpenC 500 EEVMinOperOpenH 70 EEVMaxOperOpenH 500 EEVMinOperOpenHInIDU 60 EEVMaxOperOpenHInIDU 140 EEVIDUOFFOpen 130 EEVMoveSteps 20 EEVTConstC 30 EEVTConstH 30 BlncTimTrnsStC 1 BlncTimStdyStC 1 BlncTimTrnsStH 1 BlncTimStdyStH 1 CompOffTimToTrnsSt 20 12-20 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING 13. TROUBLESHOOTING 13.1 Troubleshooting for DCI50/60/72Z WARNING!!! When Power Up – the whole outdoor unit controller, including the wiring, is under HIGH VOLTAGE!!! Never open the Outdoor unit before turning off the Power!!! When turned off, the system is still charged (400V)!!! It takes about 3 Min. to discharge the system. Touching the controller before discharging may cause an electrical shock!!! 13.1.1 No Single Split System failures and Corrective Actions Symptom Probable Cause Corrective Action Power supply indicator (Red LED) does not light up. No power supply Check power supply. If power supply is OK, check display and display wiring. if OK, replace controller. 2 Unit does not respond to remote control message Remote control message not reached the indoor unit Check remote control batteries, if batteries are OK, check display and display wiring, if OK, replace display PCB. If still not OK replace controller. 3 Unit responds to remote control message but Operate indicator (Green LED) does not light up Problem with display PCB Replace display PCB. If still not OK replace controller. Unit in heat mode and coil is still not warm. Change to cool mode and check. Problem with PCB or capacitor Change to high speed and Check power supply to motor is higher than 130VAC (for triack controlled motor) or higher than 220VAC for fixed speed motors, if OK replace capacitor, if not OK replace controller. PCB problem Replace controller Electronics control problem or protection Perform diagnostics and follow the actions described. Electronic control or power supply problem Perform diagnostics and follow the actions described. 1 4 5 6 Indoor fan does not start (louvers are opened and Green LED does light up) Indoor fan works when unit is OFF, and indoor fan speed is not changed by remote control command. Compressor does not start 7 Compressor stops during operation and Green LED remains on 8 Compressor is on but Problem with outdoor outdoor fan does not work electronics or outdoor fan SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT Check outdoor fan motor according to the procedure below, if not OK replace controller. 13-1 WNG DCI TROUBLESHOOTING No Symptom 9 Unit works in wrong mode (cool instead of heat or heat instead of cool) Electronics or power connection to RV Check RV power connections, if OK, check RV operation with direct 230VAC power supply, if OK, replace outdoor controller. 10 All components are operating properly but no cooling or no heating Refrigerant leak Check refrigeration system. 11 Compressor is over heated and unit does not generate capacity EEV problem Check EEV. 12 Units goes into protections and compressor is stopped with no clear reason Control problem or refrigeration system problem Perform diagnostics , and follow the actions described. 13 Compressor motor is generating noise and no suction occurs Phase order to compressor is wrong Check compressor phase order. 14 Water leakage from indoor unit Indoor unit drainage tube is blocked Check and open drainage tube. 15 Freezing of outdoor unit in heat mode and outdoor unit base is blocked with ice 16 Unit operates with wrong fan speeds or wrong frequency 13.1.2 Probable Cause Corrective Action Connect base heater. Wrong jumper settings Perform diagnostics, and check if units is operating by EEPROM parameters. Checking the refrigeration system Checking system pressures and other thermodynamic measures should be done when system is in Test Mode (in Test mode, system operates in fixed settings). The performance curves given in this manual are given for unit performance in test mode when high indoor fan speed is selected. Entering test mode: Set unit to Cool/16 degrees/High indoor fan speed, or Heat/30 degrees/High indoor fan speed, and enter diagnostics. 13-2 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING 13.1.3 Judgment by Indoor/Outdoor Unit Diagnostics Enter diagnostics mode - press for five seconds Mode button in any operation mode. Acknowledgment is by 3 short beeps and lights of COOL and HEAT LED’s. Then, every short pressing of Mode button will scroll between Indoor and Outdoor unit diagnostic modes by the acknowledgment of 3 short beeps and lighting of COOL and HEAT LED’s. During the Outdoor unit diagnostics all four Indoor LED’s (STBY, Operate, Filter and Timer) are blinking. When Indoor diagnostics is displayed, all four LED’s (STBY, Operate, Filter and Timer) are ON. When system enters diagnostics mode, only one fault code is shown. Order of priority is from the lower to the higher number. Diagnostics is continuously ON as long as power is ON. The current system operation mode will not be changed. If no fault occurred in the system, no fault code will be displayed during normal operation mode. The last fault code will be displayed even if the system has recovered from that fault. The last fault will be deleted from the EEPROM after the system has exit diagnostics mode. In diagnostics mode, system fault / status will be indicated by blinking of Heat & Cool LEDs. The coding method will be as follows: Heat LED will blink 5 times in 5 seconds, and then will be shut off for the next 5 seconds. Cool LED will blink during the same 5 seconds according to the following Indoor / Outdoor unit tables: Note: 0 – OFF, 1-ON 13.1.4 No 1 2 3 4 5 7 8 9 10 11 … 17 18 19 20 21 22 24 25 26 27 28 29 30 31 Indoor Unit Diagnostics Problem RT-1 is disconnected RT-1 is shorted RT-2 is disconnected RT-2 is shorted Reserved Communication mismatch No Communication No Encoder Reserved Outdoor Unit Fault Reserved Defrost protection Deicing Protection Outdoor Unit Protection Indoor Coil HP Protection Overflow Protection Reserved EEPROM Not Updated Bad EEPROM Bad Communication Using EEPROM data Model A Model B Model C Model D SM - WNG 50_60_72_80 DCI 5 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 1 1 1 1 3 0 0 0 1 1 1 0 0 0 0 2 0 1 1 0 0 1 0 0 1 1 1 1 0 1 0 1 1 0 1 0 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 0 1 1 0 0 1 0 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 Revision Y07-03 CONTENT 13-3 WNG DCI TROUBLESHOOTING 13.1.4.1 No. Indoor Unit Diagnostics and Corrective Actions Fault Probable Cause Corrective Action 1 Sensor failures of all types Check sensor connections or replace sensor 2 Communication mismatch Indoor and Outdoor controllers are with different versions Replace Indoor controller 3 No Communication Communication or grounding wiring is not good. Check Indoor to Outdoor wiring and grounding 4 No Encoder Check motor wiring, if ok, Indoor electronics or motor replace motor, if still not ok, replace Indoor controller. 5 Outdoor Unit Fault Outdoor controller problem Switch to Outdoor diagnostics. 6 EEPROM Not Updated System is using ROM parameters and not EEPROM parameters No action, unless special parameters are required for unit operation. No action, unless special parameters are required for unit operation. 7 Bad EEPROM 8 Bad Communication Communication quality is low reliability 9 Using EEPROM data No problem. System is using EEPRRRROM parameters Check Indoor to Outdoor wiring and grounding -If the voltage is low repair power supply. 10 11 12 13 13-4 The power supply indicator (red led) doesn’t light up. TThe operating indicator (green led) does not light up The operating indicator (green led) does not light up when starting from unit.. The indoor fan does not function correctly. There is no correct voltage between the line and neutral terminals on main P.C.B. -If there is no voltage repair general wiring. -If there is correct voltage replace main or display P.C.B’S The remote control batteries are discharged -Replace batteries of the remote control Check main P.C.B and display P.C.B. -Replace P.C.B if necessary. Check the voltage between indoor fan terminals on the main P.C.B - If there is voltage replace capacitor or motor. Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING No. Fault Probable Cause Check the voltage between indoor fan terminals on the main P.C.B. 14 The outdoor fan does not function correctly. There is voltage between outdoor fan terminals on the outdoor unit. There is no voltage between outdoor fan terminals on the outdoor unit. Corrective Action - If there is no voltage replace main P.C.B - Replace capacitor or motor. - Check and repair electrical wiring between indoor and outdoor units. -If no voltage replace main P.C.B. 15 The compressor does not start up. 16 The refrigeration system does not function correctly. 17 No cooling or heating only indoor fan works. 18 Only indoor fan and compressor working. 19 Only indoor fan working. Check voltage on compressor terminals on the outdoor unit. (with ampmeter) Check if there is correct voltage between compressor terminals on the outdoor unit. - If low voltage repair power supply. -If the voltage corrrect replace capacitor or compressor. -If there is no voltage repair electrical wiring between indoor and outdoor units. Check for leaks or - Repair refrigeration system restrictions, with and charge refrigerant if ampmeter, pressure guage necessary. or surface thermometer. Outdoor fan motor faulty or other fault caused, compresssor overload protection cut out. Outdoor fan blocked. -Replace P.C.B. - Outdoor fan blocked remove obstructions. - Remove obstructions. -Run capacitor of outdoor fan motor faulty. - Replace capacitor. -Windings of outdoor fan are shorted. -Replace motor. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 13-5 WNG DCI TROUBLESHOOTING No. 20 21 Fault No cooling or heating takes place, indoor and outdoor fans working. No air supply at indoor unit, compressor operates. Probable Cause Corrective Action - Overload safety device on compressor is cut out (low voltage or high temperature) - Check for proper voltage, switch off power and try again after one hour. - Compressor run capacitor faulty. - Replace compressor capacitor. - Compressor windings are shorted. - Replace compressor. -Indoor fan motor is blocked or turns slowly. -indoor fan run capacitor faulty. - motor windings are shorted. - Check voltage,repair wiring if necessary. -Check fan wheel if it is tight enough on motor shaft,tighten if necessary. -Replace indoor fan motor. 22 Partial, limited air supply at indoor indoor unit. Lack of refrigerant (will accompanied by -Charge the unit after whisteling noise) cause ice localizing leak. formation on indoor unit coil in cooling mode. 23 Water accumulates and overflow from indoor unit section. Drain tube or spout of drain pan clogged. 24 Water dripping from outdoor unit base. (in heating mode) 25 13-6 Freeze-up of outdoor coil in heating mode, poor heating effect in room, indoor fan operates. -Disasemble plastic drain tube from spout of indoor unit drain pan. Water drain outlet is clogged. -Open outdoor unit cover clean out water outlet ,clean the base inside througly. -Faulty outdoor thermistor. -Replace thermistor. -Faulty control cable. - Repair control cable. - Outdoor temperature is too low (below -2°C) - Shut unit off, outdoor temp. is below design conditions and cannot function properly. -Outdoor unit air outlet is blocked. Revision Y07-03 CONTENT -Remove obstructions. SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING 13.1.5 No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 20 21 22 23 24 25 26 27 Outdoor Unit Diagnosits Problem OCT is disconnected OCT is shorted CTT is disconnected CTT is shorted HST is disconnected (when enabled) HST is shorted (when enabled) OAT is disconnected (when enabled) OAT is shorted (when enabled) TSUC is disconnected (when enabled) TSUC is shorted (when enabled) IPM Fault Bad EEPROM DC under voltage DC over voltage AC under voltage Indoor / Outdoor unit Communication mismatch No Communication Reserved Heat sink Over Heating Deicing Compressor Over Heating Compressor Over Current No OFAN Feedback OFAN locked Compressor Lock Bad Communication 13.1.5.1 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 4 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 3 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 2 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 0 0 1 1 0 0 1 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 0 1 0 1 0 1 0 1 Outdoor Unit Diagnostics and Corrective Actions No Fault 1 Sensors failures of all types 2 IPM Fault 3 Bad EEPROM 4 DC under/over Voltage 5 AC under Voltage 6 Indoor / Outdoor unit Communication mismatch 7 No Communication 8 Compressor Lock 9 Bad Communication SM - WNG 50_60_72_80 DCI Probable Cause Electronics HW problem Electronics HW problem Indoor and Outdoor controllers are with different versions Communication or grounding wiring is not good. Communication quality is low reliability Revision Y07-03 CONTENT Corrective Action Check sensors connections or replace sensors. Check all wiring and jumper settings, if OK, replace electronics. No action, unless special parameters are required for unit operation. Check outdoor unit power supply voltage Check outdoor unit power supply voltage Replace Indoor controller Check Indoor to Outdoor wiring and grounding Switch unit to STBY and restart Check Indoor to Outdoor wiring and grounding 13-7 WNG DCI TROUBLESHOOTING 13.1.6 Judgment by MegaTool MegaTool is a special tool to monitor the system states. Using MegaTool requires: A computer with RS232C port. A connection wire for MegaTool. A special MegaTool software. Use MegaTool according to following procedure: Setup MegaTool software: copy the software to the computer. Connect RS232C port in computer with MegaTool port in Indoor/Outdoor unit controller by the connection wire. Run the software and choose the COM port, you can monitor the A/C system state In monitor tab 13.1.7 13.1.7.1 Simple procedures for checking the Main Parts Checking Mains Voltage. Confirm that the Mains voltage is between 198 and 264 VAC. If Mains voltage is out of this range, abnormal operation of the system is expected. If in range check the Power (Circuit) Breaker and look for broken or loosed cable lugs or wiring mistake(s). 13.1.7.2 Checking Power Input. If Indoor unit power LED is unlighted, power down the system and check the fuse of the Indoor unit. If the fuse is OK replace the Indoor unit controller. If the fuse has blown, replace the fuse and power up again. Checking Power Input procedure for the Outdoor unit is the same as with the Indoor unit. 13.1.7.3 Checking the Outdoor Fan Motor. Enter Test Mode (where the OFAN speed is high) Check the voltage between lead wires according to the normal value as following: Between red wire and black wire: 310VDC +/- 20V Between orange wire and black wire: 15VDC +/- 1V Between yellow wire and black wire: 2-6VDC 13.1.7.4 Checking the Compressor. The compressor is brushless permanence magnetic DC motor. Three coil resistance is same. Check the resistance between three poles. The normal value should be below 0.5 ohm (TBD). 13.1.7.5 Checking the Reverse Valve (RV). Running in heating mode, check the voltage between two pins of reverse valve connector, normal voltage is 220VAC. 13.1.7.6 Checking the electrical expansion valve (EEV). The EEV has two parts, drive part and valve. The drive part is a step motor; it is ringed on the valve. Check the drive voltage (12VDC). When Outdoor unit is power on, EEV shall run and have click and vibration. 13-8 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING 13.1.8 13.1.8.1 Precaution, Advise and Notice Items High voltage in Outdoor unit controller. Whole controller, including the wires that are connected to the Outdoor unit controller may have the potential hazard voltage when power is on. Touching the Outdoor unit controller may cause an electrical shock. Advise: Don’t touch the naked lead wire and don’t insert finger, conductor or anything else into the controller when power is on. 13.1.9 Charged Capacitors Three large-capacity electrolytic capacitors are used in the Outdoor unit controller. Therefore, charging voltage (380VDC) remains after power down. Discharging takes about four minutes after power is off. Touching the Outdoor unit controller before discharging may cause an electrical shock. 13.1.10 Additional advises When disassemble the controller or the front panel, turn off the power supply. When connecting or disconnecting the connectors on the PCB, hold the whole housing, don’t pull the wire. There are sharp fringes and sting on shell. Use gloves when disassemble the A/C units. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 13-9 WNG DCI TROUBLESHOOTING 13.2 Troubleshooting for DCI72/80 WARNING!!! When Power Up – the whole outdoor unit controller, including the wiring, is under HIGH VOLTAGE!!! Never open the Outdoor unit before turning off the Power!!! When turned off, the system is still charged (400V)!!! It takes about 1 Min. to discharge the system. Touching the controller before discharging may cause an electrical shock!!! 13.2.1 No General System Failures and Corrective Actions Symptom Probable Cause Corrective Action No power supply Check power supply. If OK, check display and display wiring. if OK, replace controller 2 Indoor unit does not respond to remote control message Remote control message not reached the indoor unit Check remote control batteries, if OK, check display and display wiring, if OK, replace display PCB. If still not OK replace controller 3 Indoor unit responds to remote control message but Operate indicator (Green LED) does not light up Problem with display PCB Replace display PCB. If still not OK replace controller Unit in heat mode and coil is still not warm Change to cool mode Outdoor unit is in opposite mode Change operation mode Problem with controller or capacitor Change to high speed and Check power supply to motor is higher than 130VAC (for triack controlled motor) or higher than 220VAC for fixed speed motors, if OK replace capacitor, if not OK replace controller 5 Indoor fan works when unit is OFF, and indoor fan speed is not changed by remote control command. Controller problem Replace controller 6 Water leakage from indoor unit Indoor unit drainage tube is blocked Check and open drainage tube 1 4 13-10 Indoor unit power supply indicator (Red LED) does not light up. Indoor fan does not start (louvers are opened and Green LED is ON) Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING No 7 8 Symptom Outdoor unit display board and leds are off Compressor operates but no capacity Probable Cause No power supply Check the connections and the wiring on the main terminal - Repair if needed. PFC Chock coil Check the PFC Chock coil Burnt fuse Check 20A fuse on the Filter EEV problem Check EEV Refrigerant leakage Check refrigeration system Indoor coil block Outdoor coil block EEV problem Refrigerant leakage 9 Compressor is over heated and unit does not generate capacity 10 Compressor stops during operation 11 Unit is not operating Corrective Action Indoor coil block Clean filters and/or remove block Remove block and/or avoid air by-pass Check EEV Check refrigeration system) Clean filters and/or remove block Outdoor coil block Remove block and/or avoid air by-pass Electronic control Check diagnostics Refrigerant leakage Check refrigeration system Communication problems Electronics control problem or protection Check diagnostics 12 Compressor does not start 13 Unit works in wrong mode (cool instead of heat or heat instead of cool) Electronics or RV problem Check RV 14 All components are operating properly but no cooling or no heating Refrigerant leak Check refrigeration system 15 Compressor motor is generating noise and no suction occurs Phase order to compressor is wrong Check compressor phase order 16 Freezing of outdoor unit in heat mode and outdoor unit base is blocked with ice 17 The unit stop suddenly during operation 18 Indoor unit(s) Indicator(s) leds may flicker SM - WNG 50_60_72_80 DCI Connect base heater EMC interference to the A/C unit Revision Y07-03 CONTENT Check for EMC problems 13-11 WNG DCI TROUBLESHOOTING No Symptom Probable Cause 21 Other home appliances operation is faulty such as noise appears EMC interference by in the television picture, or the the A/C unit picture is distorted or static occurs in the radio sound 22 All others 13.2.2 Specific problems of indoor or outdoor units Corrective Action Check for EMC problems Check diagnostics Checking the refrigeration system Checking system pressures and other thermodynamic measures should be done when system is in technician Mode where the system operates as in fixed settings. The performance curves given in this manual are given for unit performance in Technician mode when high indoor fan speed is selected. 13.2.3 13.2.3.1 Diagnostics Outdoor unit diagnostics If any fault exists in the system, it will be shown according to tIf no fault exists in the system, no fault code will be displayed during normal operation mode, and the status led will be on while the compressor is enable.he following coding method. Two LEDs display the system diagnostics on real time as follows: STATUS LED is blinking 5 times in 5 seconds, and shut off for the next 5 seconds. FAULT LED will blink during the same 5 seconds according to the following table: 13-12 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Problem OCT bad CTT bad HST bad OAT bad OMT bad RGT bad OFAN/Compressor Feedback Loss OFAN- IPM fault OFAN Lock OFAN- Vospd exceeded Compressor- IPM Fault Compressor Lock Compressor- Vospd exceeded Compressor- Foldback DC under voltage DC over voltage AC under voltage No communication A reserved reserved reserved Compressor- Ilegal Speed System Configuration Changed System Configuration Problem Heat sink Over Heating Fault/Protection Deicing Protection Compressor Over Heating Protection System over power Protection Bad EEPROM Not Configured Bad Communication 5 4 3 2 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 Notes: 1 - ON, 0 - OFF Whenever this table is updated, the installation test procedure, and the alarm output function should be updated. Only one code is shown. Order of priority is 1-32. Diagnostics is continuously ON as long as power is on. Heat Sink Over Heating Protection, Compressor Over Heating Protection, and System Over Power Protection are declared only whenever in ‘Stop-Compressor’ status. All faults, except the thermistor faults, will remain at least 10 seconds. This rule comes to serve the monitoring utilities, in a case the fault is released quickly it will be still shown under the monitoring utilities. Thermistor faults are reported only when they are enabled. When the outdoor unit is in fault (not protection), an in-fault signal is sent to the indoor. When all the outdoor unit faults are cleared, ‘no-fault’ signal is sent to the indoor. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 13-13 WNG DCI TROUBLESHOOTING 13.2.3.2 Outdoor fault corrective actions No Fault Name 1 OCT bad 2 CTT bad 3 HST bad 4 OAT bad 5 TSUC bad 6 RGT bad 7 OFAN/Compressor Feedback Loss Probable Cause Corrective Action Thermistor not connected or damaged Check Thermistor OFAN halls or wires bad. Compressor wire cable bad or IPM bad or compressor bad Check OFAN motor and compressor 8 OFAN - IPM fault Over current / Over temperature of OFAN IPM Check no obstruction to controller air opening Check OFAN motor Check motor type matches motor jumpers in controller 9 OFAN Lock Fan does not rotate Check OFAN motor Check motor type matches motor jumpers in controller Make necessary arrengments in unit installation location to avoid back wind Avoid EMC problems 10 OFAN- Vospd exceeded Exceeds speed high limit 11 Compressor- IPM Fault Over current / Over temperature of compressor IPM 12 Compressor Lock Compressor does not rotate 13 Compressor- Vospd exceeded Exceeds speed limit Try again and replace controller if still have the problem 14 CompressorFoldback High pressure / Current reduces compressor speed Check Compressor 15 DC under voltage DC voltage is lower than limit Replace controller DC voltage exceeds its high limit Check if input voltage higher than limit (270VAC), if not and the problem presist, replace controller. If voltage is high, shut off the power and recommend the customer to fix the power supply AC input voltage is lower than limit Check if input voltage lower than limit (170VAC), if not and the problem presist, replace controller. If voltage is low, recommend the customer to fix the power supply 16 17 13-14 DC over voltage AC under voltage Revision Y07-03 CONTENT Check no obstruction to controller air opening Check Compressor Check Compressor SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING No Fault Name Probable Cause Corrective Action 18 No communication A No signals in line A Check communication 19 Compressor- Ilegal Speed Exceeds speed low limit See # 13 20 System Configuration Changed Communication lines changed from last operation No problem just an announcement 21 System Configuration Problem Miss-match between the IDUs connected to port A,B,C or D, or the total capacity code of IDUs is higher than the ODU maximum capacity code Change configuration if needed. 22 Heat sink Over Heating Fault/ Protection Compressor stopped due to heatsink protection Check that the airflow around the ODU is free and the fan is running free. Check fan motor (0) 23 Deicing Protection During deicing procedure No action required 24 Compressor Over Heating Protection Compressor stopped due to over heat protection Check if gas is missing in the system 25 System over power Protection Compressor stopped due to over power protection No action required 26 Bad EEPROM EEPROM not operating Power reset. (Replace Controller just in case you need EEPROM). 27 Not Configured Cannot start the control Power reset. Replace Controller if didn’t help 28 Bad Communication Bad communication lines See # 18-21 SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 13-15 WNG DCI TROUBLESHOOTING 13.2.4 Fault Code for Indoor unit Pressing Mode button for long will activate diagnostic mode by the acknowledgment of 3 short beeps and lighting of COOL and HEAT LED’s. Entering diagnostics in STBY mode allows only viewing of status (fault-display). In diagnostic mode, system problems / information will be indicated by blinking of Heat & Cool LED’s. The coding method will be as follows: Heat led will blink 5 times in 5 seconds, and then will be shut off for the next 5 seconds. Cool Led will blink during the same 5 seconds according to the following table: No Fault Name 5 4 3 2 1 1 RT-1 is disconnected 0 0 0 0 1 2 RT-1 is shorted 0 0 0 1 0 3 RT-2 is disconnected 0 0 0 1 1 4 RT-2 is shorted 0 0 1 0 0 … Reserved 0 0 1 0 1 7 Communication mismatch 0 0 1 1 1 8 No Communication 0 1 0 0 0 9 No Encoder 0 1 0 0 1 10 Reserved 0 1 0 1 0 11 Outdoor Unit Fault 0 1 0 1 1 … Reserved 17 Defrost protection 1 0 0 0 1 18 Deicing Protection 1 0 0 1 0 19 Outdoor Unit Protection 1 0 0 1 1 20 Indoor Coil HP Protection 1 0 1 0 0 21 Overflow Protection 1 0 1 0 1 … Reserved 24 EEPROM Not Updated 1 1 0 0 0 25 Bad EEPROM 1 1 0 0 1 26 Bad Communication 1 1 0 1 0 27 Using EEPROM data 1 1 0 1 1 28 Model A 1 1 1 0 0 29 Model B 1 1 1 0 1 30 31 Model C Model D 1 1 1 1 1 1 1 1 0 1 1 - ON, 0 - OFF Only one code is shown. Order of priority is lower to the higher number. Diagnostics is continuously ON as long power is on. 13-16 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING 13.2.4.1 No. Indoor unit diagnostics and corrective actions Fault Probable Cause Corrective Action 1-4 Sensor failures Sensors not connected or damaged Check sensor connections or replace sensor 7 Communication mismatch Indoor and Outdoor controllers are with different versions Replace Indoor controller 8 No Communication Communication or grounding wiring is not good Check Indoor to Outdoor wiring and grounding 9 No Encoder Indoor electronics or motor Check motor wiring, if ok, replace motor, if still not ok, replace Indoor controller. 11 Outdoor Unit Fault Outdoor controller problem Switch to Outdoor diagnostics. Protections Indication No action EEPROM Not Updated System is using ROM parameters and not EEPROM parameters No action, unless special parameters are required for unit operation. 17-21 24 No action, unless special parameters are required for unit operation. 25 Bad EEPROM 26 Bad Communication Communication quality is low reliability 27 Using EEPROM data No problem 28-31 13.2.5 13.2.5.1 Check Indoor to Outdoor wiring and grounding IDU model Procedures for checking Main Parts Checking Mains Voltage Confirm that the Mains voltage is between 198 and 264 VAC. If Mains voltage is out of this range, abnormal operation of the system is expected. If in range check the Power (Circuit) Breaker and look for broken or loosed cable lugs or wiring mistake(s). 13.2.5.2 Checking Main fuse Check 20A fuse on the Filter Board - If burnt – check the compressor, fan or any other peripheral that can cause a short. In case of a problematic peripheral - replace it. In case no problematic peripheral, check the resistance on the DC bank (B+ & B- on the Power board), if it is less than 30Ω, replace the controller. Otherwise replace the burnt fuse. In case of frequent burning fuse, replace the controller. 13.2.5.3 Checking PFC Chock coil Check PFC chock connection – repair if needed. Dis-connect the chock from the controller wire extensions, check if the 2 wires of the chock are shorted. If shorted (OK) check between each wire and the metal box. If shorted replace chock, if not (OK), open the controller top cover and check if the wire extensions are connected well and if shorted. If not shorted, replace wires, if shorted (OK) than might be a controller problem – replace controller. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 13-17 WNG DCI TROUBLESHOOTING 13.2.5.4 Checking the Outdoor Fan Motor Check FAN-Power and FAN-Halls connections - Repair if needed. Rotate the fan slowly by hand. If the fan does not rotate easily, check whether something is obstructing the fan, or if the fan itself is coming into contact with the outer case, preventing it from rotating. Correct if necessary - otherwise, the fan motor bearings have seized. Replace the motor. If the fan rotates easily, use a current probe (“Clamp”) to assure AC current on each phase and it is less than 1A. In case there is no current, check the resistance between the three poles. Assure the three coil resistances are almost the same. The normal value should be between 10Ω to 20Ω. Change to Stand-by or Power OFF and re-start - If the fault is still active - replace controller. 13.2.5.5 Checking the Compressor Check Compressor connections - Repair if needed. Use a current probe (“Clamp”) to assure that there is an AC current on each phase – no more than 15A. In case there is no current, check the resistance between the three poles. Assure the three coil resistances are almost the same (between 0.8Ω to 1.5Ω). Change to Stand-by or Power OFF and re-start - If the fault is still “Active” - replace controller. 13.2.5.6 Checking the Reverse Valve (RV) The RV has two parts, Solonoid and valve. Solonoid - Running in heating mode, check the voltage between two pins of reverse valve connector, normal voltage is 230VAC. if no power supply to RV, Check RV operation with direct 230VAC power supply, if OK, replace outdoor controller. Valve - if RV solonoid is OK (as above) but still no heating operation while compressor is On, replace the valve. 13.2.5.7 Checking the electrical expansion valve (EEV) The EEV has two parts, drive and valve. When Outdoor unit is powered on, EEV shall run and have click and vibration. For assuring the problem is of the EEV parts, perform the installation test and if fails and no other indications in the diagnostics, than the problem is with the EEV (one or more). Drive - a step motor; ringed on the valve. Check the drive voltage, should be12VDC. Valve – if drive is OK (as above) but still the indoor unit perform no conditioning replace the valve (no need to take out the refrigerant, just pump down and shut off the main valves). 13.2.5.8 Checking the termistors Check Thermistor connections and wiring - Repair if needed. Check Thermistor resistance – between 0ºC and 40ºC should be between 35KΩ and 5KΩ. 13.2.5.9 Checking the communication Change to Stand-by or Power OFF and re-start - If the fault is still “Active” check Indoor to Outdoor. Communication wiring and grounding connections (should be less than 2.0Ω) - Repair if needed. If IDU failure – replace IDU controller that does not respond. If ODU failure – replace ODU. 13-18 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI TROUBLESHOOTING 13.2.5.10 Checking for electromagnetic interferance (EMC problems) EMC troubles to the A/C unit Locations most susceptible to noise : 1. Locations near broadcast stations where there are strong electromagnetic waves. 2. Locations near amateur radio (short wave) stations. 3. Locations near electronic sewing machines and arc-welding machines. Trouble : Either of the following trouble may occur: 1. The unit may stop suddenly during operation. 2. Indicator lamps may flicker Correction : The fundamental concept is to make the system less susceptible to noise (insulate for noise or distance from the noise source): 1. Use shielded wires. 2. Move unit away from the noise source. 13.2.5.11 EMC troubles to near by home appliances Locations most susceptible to noise : 1. A television or radio is located near the A/C and A/C wiring. 2. The antenna cable for a television or radio is located close to the A/C and A/C wiring. 3. Locations where television and radio signals are weak. Trouble : 1. Noise appears in the television picture, or the picture is distorted. 2. Static occurs in the radio sound. Correction 1. Select a separate power source. 2. Keep the A/C and A/C wiring at least 1 meter away from wireless devices and antenna cables. 3. Change the wireless device’s antenna to a high sensitivity antenna. 4. Change the antenna cable to a BS coaxial cable. 5. Use a noise filter (for the wireless device). 6. Use a signal booster. 13.2.6 13.2.6.1 Precaution, Advise and Notice Items High voltage in Outdoor unit controller Whole controller, including the wires, connected to the Outdoor unit controller may have the potential hazard voltage when power is on. Touching the Outdoor unit controller may cause an electrical shock. Advise: Don’t touch the naked lead wire and don’t insert finger, conductor or anything else into the controller when power is on. 13.2.6.2 Charged Capacitors Three large-capacity electrolytic capacitors are used in the Outdoor unit controller. Therefore, charging voltage (380VDC) remains after power down. Discharging takes about one minute after turned off. Touching the Outdoor unit controller before discharging may cause an electrical shock. When open the Outdoor unit controller cover, don’t touch the soldering pin by hand or by any conductive material. SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 13-19 WNG DCI TROUBLESHOOTING 13.2.6.3 Advise: Open the Outdoor unit controller cover only after one minute from power off. Measure the electrolytic capacitors voltage before farther checking controller. Additional advises When disassemble the controller or the front panel, turn off the power supply. When connecting or disconnecting the connectors on the PCB, hold the whole housing, don’t pull the wire, there are sharp fringes and sting on shell. Use gloves when disassemble the A/C units. 13-20 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14. EXPLODED VIEWS AND SPARE PARTS LISTS 14.1 Indoor Unit: WNG 50 / WNG 60 DCI SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-1 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.2 Intdoor Unit: WNG 50/60 DCI Item No. Description Qty 1A 452917400 Grill A/WNG18 1 1B 452952800 Grill B/WNG18 1 1C 452952900 Grill C/WNG18 1 2A 453080400 Display Board Assy.906-257-00 1 3 452919800 Filter 2 4 4518113 Fiber Filter Assy. (Optional) 1 5 453054000 Frame assy./WNG18 1 6A 4526946 Display Lens Assy(LCD) 1 6B 4527144 Display Cover Assy 1 7 452919600 Screw cover 3 8 433133 IONIZER DISPLAY 906-191-07 (Optional) 1 8A 452919700 Cover/Ionizer (Optional) 1 9 453134600 Evaporator Assy. 1 10 4518664 Drain hose 1 11 452917300 Air outlet 1 12 453050200 STEP MOTOR A 1 13 452918700 Support/horizontal louver 2 14 452917500 Horizontal flap A 1 14 452917600 Horizontal flap B 1 16 17 18 14-2 Part No. 452918500 Linkage A 1 452918600 Linkage B 1 452930700 Vertical flap A 12 452918200 Vertical flap B 2 452918300 Tie/vertical flap A 1 452918400 Vertical flap stator B 2 452953000 Vertical flap stator C 1 19 4518662 Bearing assy fan 1 20 453024900 Impeller fan 1 21 453053800 Base assy./WNG18 1 22 4518657 TUBE LOCK 1 23 452920100 Mount bracket/WNG-18 &#31;20&#31; 1 24 452919400 Joint/Unit housing 1 25 453024500 PG Motor 1 26 4518651 Cover Side Motor 1 27 452918800 Cover/motor 1 28 453042500 Remote controller/RC4-I-1 EHK P/N 974-710-00 1 29 453050300 STEP MOTOR B 1 30 453057900 Gear BOX ASSY 1 31 453109300 Wire UL100726AWG/Ionizer 1 32 433134 IONIZER POWER 906-191-01 (Optional) 1 33 4517022 Plug 1 34 4524967 IONIZER WIRE A (Optional) 1 35 453030600 Indoor DC Inverter Controller(ENGLISH)916-513-00 1 36 4524963 Electrostatic Filter (Optional) 1 37 452919500 Cover/terminal 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.3 Outdoor Unit: ONG3-50 DCI SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-3 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.4 Outdoor Unit: ONG3-50 DCI ItemNo. Part No. 14-4 Description Qty 1 433218 Front panel A 1 2 4526340 Air inlet ring-420 1 3 433223 Painting insulation plate 1 4 4526476 Axial fan OD=401 1 5 4526475 DC motor for DCI 50 1 6 4526457 Motor support 1 7 4527363 Base painting Assy. 1 8 4526459 Partition 1 9 4526203 Outdoor DC inverter controller (English) 1 10 4524595 Gas valve (R410A) 1 11 4524176 Liquid valve (R410A) 1 12 4526224 EMI fliter board 901-098-00 1 13 4526396 Chock Assy. 167-021-01 1 14 4526223 AC-IN connected wire 1 14 4526968 Earthing wire for DCI 1 16 4526222 Fuse connecting wire 1 17 4526300 Therminal sheet 1 18 4526220 Fuse stand JEF-511B(EHK P/N:140-038-00) 1 19 4526533 Fuse 65TS(20A,230)140-031-00 1 20 204107 Cable clip nylon 1 21 4519188 4 poles terminal block 1 22 433229 Value cover 1 23 4522509 4-Way valve coil 1 24 4527327 4-way valve welding Assy. 1 25 4518952 4-way valve 1 26 4526221 Compressor wire 1 27 4523446 DC Inverter compressor Assy. 5CS130XCC03 1 28 4526775 Compressor top thermistor(CTT) 1 29 4526774 Outside air thermistor(OAT) 1 30 4526776 Outside coil thermistor(OCT) 1 31 4526969 Suction coil thermistor(SUCT) 1 32 4526214 Electronic expansion valve ZDPF(L)-1.6C-01-RK forR410A 1 33 4526216 EEV COIL QA(L)12-HR-01A-RK 1 34 4519606 Right side panel 1 35 433228 Back side net 1 36 4526459 Condenser soldering assy 1 37 4526298 Bridge 1 38 4519614 Painting top cover 1 39 4526480 Gasket for axial fan 1 40 4519300 Nut M5 L 1 41 433225 Handle 1 42 4519607 Left side panel painting plate 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.5 Outdoor Unit: DCI 60 SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-5 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.6 Outdoor Unit: DСI 60 Item No. Part No. 14-6 Description Qty 1 4517144 FAN COVER PP+UV 1 2 452795700 PAINTED LEFT CABINET ASSY 1 3 4521642 Painted Right Cabinet and Isolation Assy. 1 4 4523141 M10 Hexagon locked nut M10 1 5 4526841 cusion for fan 1 6 4526510 FAN D=460mm (3 blade) 1 7 453026500 DC Motor SIC-71FW-F170-2 1 8 453036400 Motor Support 1 9 453238900 Sensor/OAT 1 10 4526775 Compressor top thermistor(CTT) 1 11 4526776 Outdoor coil thermistor(OCT) 1 12 453035800 Partition Plate 1 13 453036100 Base Plate Paint Assy. 1 14 4526221 Compressor wire 1 14 453041900 Liquid Accumulator 1 16 452882900 Condenser and distributor welding assy. 1 17 4523446 Scroll DC compressor assy. 5CS130XCC03 1 18 453034000 4-way Valve System Assy. 1 19 4522509 4-Way valve coil 1 20 4516766 PAINTED VALVE PLATE ASSY 1 21 4526301 High pressure stop valve R410a 1 22 4524595 1/2” Gas Valve for ONG R410A 1 23 4526214 Electronic expansion valve ZDPF(L)-1.6C-01-RK for R410A 1 24 4526216 EEV COIL QA(L)12-MD-02 1 25 4518952 4-W valve SHF-7H for R410A 1 26 4525938 PAINTED RIGHT-BACK CABINET ASSY 1 27 4523145 R.lifter 1 28 4517028 PAINTED LEFT-BACK GRILL 1 29 4516758 SMALL HANDLE 1 30 452841100 Earth wire 3 31 453238800 Ground Wire 1 32 453238700 Wire UL1007 16AWG/COM 1 33 4519188 4 poles terminal block 1 34 453238600 Wire 1014 16#/Power Input 1 35 204107 Cable clip Nylon 1 36 453048500 DCI 2.8kW EMI Filter Board 901-107-00 1 37 453052900 Therminal Plate Assy. 1 38 4526585 connect for motor backet 1 39 453030500 Outdoor DCI Controller/2.8kW(English) 906-105-00 1 40 4516788 PAINTED TOP COVER ASSY 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.7 Indoor Unit: WNG 72 DCI SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-7 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.8 Indoor Unit: WNG72 DCI Item No. Part No. Description 1 452917400 Grille 1 2 452919800 Air Filter 1 3 4518113 Active Carrbon(Cold Catalyst) Filter 1 4 465720009 Frame Asy 1 5 452919600 Screw Cover 1 6 453260400 Evaporator Assy 1 7 4522754 Draining Hose 1 8 453053900 Air Outlet Assy 1 9 452917500 Flap 1 9 452917600 Flap 1 10 452930700 Vert. Louver 1 10 452918200 Vert. Louver 1 11 4518662 Bearing Assy 1 12 453024900 Cross Flow Fan 1 13 453053800 Base Assy 1 14 452920100 Installation Plate 1 14 452919400 Tube Bracket 1 16 453206800 Motor 1 17 452918800 Motor Cover 1 18 453050200 Step Motor 1 18 453050300 Step Motor 1 Power Wire 1 19 14-8 Qty. 20 4519147 Cable locker 1 21 453080400 Display 1 22 452919100 Sensor 1 23 453207000 Control Box Assy 1 24 438082 Thermistor indoor coil 1 25 4519813 Thermistor Room 1 26 452919500 Terminal Cover 1 27 4524963 Electrostatic Filter/Filter Frame (Optional) 1 29 453042500 Remote control 1 30 4518651 Motor Side Cover 1 31 4526946 LCD Display Lens Assy 1 32 453057900 Gear Box Assy 1 33 452918700 Louver Support 1 35 4518657 Tube Lock 1 37 4524967 Ionizer Cable (Optional) 1 38 433134 Ionizer Power(Optional) 1 39 433133 Ionizer Cover/Ionizer Unit(Optional) 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.9 Indoor Unit: WNG 80 DCI SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-9 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.10 Indoor Unit: WNG 80 DCI Item No. 14-10 Part No. Description Qty 1 4525902 GRILLE ASSY 1 2 4523299 FILTER 1 3 4523303 SHAFT LOCKER 2 4 4518113 AIR FILTER ASSY 1 5 4525610 FRAME ASSY 1 6 4523301 SCREW COVER 3 7 4523302 FIX LOCKER 4 8 462350007 EVAPORATOR ASSY WNG80 R410A 1 9 4525112 DISPLAY ASSY. 901-255-30 1 10 4525612 AIR OUTLET ASSY 1 11 4524962 TEP MOTOR B 2 12 4524965 STEP MOTOR WIRE A 1 13 4518664 DRAIN HOSE 1 14 4516204 BEARING ASSY.,FAN 1 14 4524954 CROSS FAN 1 16 4525611 REAR PANEL ASSY 1 17 433133 IONIZER DISPLAY 1 18 4523306 IONIZER COVER(NO IONIZER) 1 4523307 IONIZER WIRE COVER(WITH IONIZER) 1 19 4524967 IONIZER WIRE A 1 20 4523372 WNG-30 INSTALLATION PLATE 1 21 4523309 TUBE OUTLET 1 22 4525111 REMOTE CONTROL BOX 974-700-00 1 23 433134 IONIZER POWER 1 24 453109300 IONIZER CABLE B 1 25 4523311 MOTOR HOUSING 1 26 4524953 FAN MOTOR 1 27 4523313 MOTOR WATER BREAKER 1 28 4523312 MOTOR COVER 1 29 4524661 FIX PLATE 1 30 4524961 STEP MOTOR A 1 31 4524966 STEP MOTOR WIRE B 1 32 4523308 WATER BREAKER COVER 1 33 4525113 POWER CORD CABLE(optional) 1 34 438082 THERMISTOR INDOOR COIL BACK 1 35 4519813 THERMISTOR ROOM BLACK 1 36 4525831 WIRE TUBE 1 37 453161200 CONTROL BOX 916-514-00 1 38 4516263 SENSOR BASE 1 39 4524963 ESF (optional) 1 40 4523304 WIRING COVER 1 41 4523300 FILTER R 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.11 Outdoor Unit: DCI 72/80 SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-11 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.12 Outdoor Unit: DCI 72/80 Item No. 14-12 Part No. Description Qty 1 465100000 Outlet Grille 1 2 4523652 Painted Left Cabinet Assy. 1 3 452960400 Outdoor Fan 1 4 466130001 Motor 1 5 452888500 Motor Support 1 6 452809900 Base Plate Painting Assy. 1 7 452809700 Partition Plate 1 8 4526774 Outdoor air thermistor(OAT) 1 9 452966200 Compressor Top Thermistor(CTT) 1 10 452677601 Outdoor Coil Thermistor(OCT) 1 11 4526514 Hight press valve(R410A) 1 12 4526513 Low Press Valve R410A 1 13 453170000 Controller/DCI80 1 14 467420003 Terminal Block 1 14 204107 Cable clip Nylon 2 16 4526968 Earthing wire with magnetic ring 1 17 4526214 Electronic expansion valve 1 18 4526216 EEV Coil 1 19 452963000 Insulation PVC/Compressor 1 20 4510677 Comp. screw 1 21 452956600 Compressor Cable 1 22 452803300 Compressor Assy. TNB220FLBM1 1 23 4522602 Valve Cover 1 24 4523654 Painted Right Back Cabinet Assy. 1 25 461600002 4-Way Valve Assy. 1 26 452956700 4-way Valve Coil 1 27 4526522 Four-Way Valve R410A 1 28 4523653 Painted Right Cabinet Assy. 1 29 462300002 Condenser Assy. 1 30 4523657 Painted Top Cover Assy. 1 31 4523758 Nut M8 left 1 32 4522600 Left Handle 1 33 453175500 Guard Net Painting Assy. 1 34 4522601 Right Handle 1 35 453256100 Support Assy./Gas-Liquid Separator 1 36 467300005 Display Board Assy Optional 1 37 452783600 Oil Separator Assy. 1 38 4526080 Valve plate paint assy 1 39 453256000 Choke Assy. 1 40 453083800 OAT Support/OAT 1 41 452956500 Suction Thermistor(SUCT) 1 42 452783200 Liquid-gas Separator 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.13 Outdoor Unit: DCI 72 Z SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 14-13 WNG DCI EXPLODED VIEWS AND SPARE PARTS LISTS 14.13 Outdoor Unit: DCI 72 Z No. 14-14 Item Description Quan. 1 465100000 Grill/ DCI Trio 2 4523652 PAINTED LEFT CABINET ASSY 1 3 4523758 Nut M8 left 1 4 452960400 Outdoor Fan 1 5 461600023 4-Way Valve Assy. 1 6 4522509 4-way Valve Coil 1 7 4526522 FOUR-WAY VALVE R410A 1 8 466130002R DC Motor 70W 8P 1 9 4522601 Right Handle 1 10 4523653 PAINTED RIGHT CABINET ASSY 1 11 4526775 Compressor Top Thermistor(CTT) 1 12 452956500 OMT Thermistor(OMT) 1 13 452677601 Outdoor Coil Thermistor(OCT) 1 14 452809900 Base Plate Painting Assy. 1 15 460080000R Compressor Assy./ C-7RVN153H0W SANYO ShenYang) 1 16 452783600 Oil Separator Assy. 1 17 452783200 Liquid-gas Separator 1 18 453256100 Support Painting Support Assy./Gas-Liquid Separator 1 19 4526080 Valve plate paint assy 1 20 4526513 LOW PRESS VALVE (R410A) 1 21 4526514 Hight press valve(R410A) 1 22 4523654 PAINTED RIGHT BACK CABINET ASSY 1 23 4522602 Valve Cover 1 24 4518950 Filter Drier BFK-053S 1 26 204107 Cable clip Nylon 2 27 467420003 7 Poles Terminal Block 1 28 464280001 Terminal Plate/ DCI 72Z 1 29 4526215 Electronic expansion valve ZDPF(L)-1.6C-01-RK for R410A 1 30 4526216 EEV COIL QA(L)12-MD-02 1 31 462300002 Condenser Assy. 1 32 453175500 Guard Net Painting Assy. 1 33 453083800 Support/OAT 1 34 4526396 Choke Assy.167-021-01 1 35 464730006 Partition Plate Assy./DCI 72Z 1 36 467300082R Controller/Outdoor Unit DCI 3.0KW(English) 906A-361-00 1 37 452888500 Motor Support 1 38 464250044 Connect Plate/Controller DCI 72Z 1 39 452841100 Earth wire 3 39 4516540 Earth wire 2 40 453238900 Sensor/OAT 1 41 4523657 PAINTED TOP COVER ASSY 1 42 4522600 Left Handle 1 43 467300114R DCI 3.0KW EMI Fillter Board 901A-574-00 1 1 Revision Y07-03 CONTENT SM - WNG 50_60_72_80 DCI WNG DCI APPENDIX A APPENDIX A INSTALLATION AND OPERATION MANUAL ► INSTALLATION & OPERATING MANUAL WNG 50/60 DCI ► INSTALLATION & OPERATING MANUAL WNG 72/80 DCI SM - WNG 50_60_72_80 DCI Revision Y07-03 CONTENT 15-1 WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI CONTENT WNG DCI 1. ACCESSORIES SUPPLIED WITH THE AIR CONDITIONER 2. LOCATION OF INDOOR AND OUTDOOR UNIT 3. INSTALLATION/SERVICE TOOLS (ONLY FOR R410A PRODUCT) 4. INSTALLATION OF THE INDOOR UNIT 5. CONDENSATE HOSE CONNECTION 6. ELECTRICAL CONNECTION BETWEEN INDOOR AND OUTDOOR UNIT 7. REFRIGERANT TUBING 8. FINAL TASKS CONTENT WNG DCI I N S TA L L AT I O N I N S T R U C T I O N S FOR DCI SPLIT WALL MOUNTED AIR CONDITIONER 1 2 ACCESSORIES SUPPLIED WITH THE AIR CONDITIONER Shape Name Qty LOCATION OF INDOOR AND OUTDOOR UNIT Select the location considering the following: Used for INDOOR UNIT Mounting plate 1 Remote control with batteries 1 Remote control bracket 1 Screws washer dowels 4 1. Choose a location which will provide good air circulation. Wall mounting of the indoor unit 2. Do not install the unit near a heat source or where it will be exposed to direct sunlight. 3. The location must allow convenient electrical wiring. drainage and tubing connections as shown in fig 3. Operation of unit 4.The appliance must be positioned so that the plug is accessible. Wall mounting of the remote control 5 Installation site should provide an easy passage to outdoors. 6. The unit must be mounted on a strong wall that will withstand the generated vibrations. Wall mounting of indoor unit 7. Install the mounting plate as shown in fig 5. 8. Install the remote control bracket as shown in fig 4. Screws dowels Outdoor unit drain connector Mounting pads 2 1 4 OUTDOOR UNIT Wall mounting of remote control bracket 1. The location must allow easy servicing and provide good air circulation as shown in fig 5. 2. The unit may be suspended from a wall by a bracket (Optional) or located in a free standing position on the floor (preferably slightly elevated). Outdoor unit water drain 3. If the unit is suspended, ensure that the bracket is firmly connected and the wall is strong enough to withstand vibrations. Padding of outdoor unit bottom support 4. Unit location should not disturb neighbors with noise or exhaust air stream. 5. Place the mounting pads under the unit legs. Cable ties 4 6. Refer to figure 5 for allowed installation distances. Securing wires in the indoor and outdoor unit 7. When the unit is installed on a wall, install the drain connector hose and drain plug as shown in fig 1 and fig 2. Power input cable (Optional) 1 Connecting indoor unit power Cable terminals 1 Securing of grounding wire in the indoor and outdoor unit Air purifying filter (Optional) 2 Cleaning the air Fig.1 1.Bottom of outdoor unit 2.Drain connector Fig. 2 Fig. 1 Remote control 3 operation Unit operation Installation manual Fig.2 Drain installation Example 1 Users and installers reference 2 Indoor Unit's Accessories Only for One Unit. CONTENT WNG DCI 950mm 1800mm 80 mm min Fig. 3 50 mm min 50 mm min 2300 mm min To remove 2 100 mm min 1 100 mm min 400 mm min To attach Fig. 4 500 mm min 100 mm min NOTE: Distance between indoor and outdoor units should be 30m. Height difference between indoor and outdoor units should be 15m. No additional charge is required. 1 Fig. 5 Fig.5 1. Mounting pads ( CONTENT 4) WNG DCI 3 INSTALLATION/SERVICE TOOLS (ONLY FOR R410A PRODUCT) CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT (R410A) WHICH DOES NOT DESTROY OZONE LAYER. R410A refrigerant is apt to be affected by impurities such as water, oxidizing membrane, and oils because the working pressure of R410A refrigerant is approx. 1.6 times of refrigerant R22. Accompanied with the adoption of the new refrigerant, the refrigeration machine oil has also been changed. Therefore, during installation work, be sure that water, dust, former refrigerant, or refrigeration machine oil does not enter into the new type refrigerant R410A air conditioner circuit. To prevent mixing of refrigerant or refrigerating machine oil, the sizes of connecting sections of charging port on main unit and installation tools are different from those used for the conventional refrigerant units. Accordingly, special tools are required for the new refrigerant (R410A) units. For connecting pipes, use new and clean piping materials with high pressure fittings made for R410A only, so that water and/or dust does not enter. Moreover, do not use the existing piping because there are some problems with pressure fittings and possible impurities in existing piping. Changes in the product and components In air conditioners using R410A, in order to prevent any other refrigerant from being accidentally charged, the service port diameter size of the outdoor unit control valve (3 way valve) has been changed. (1/2 UNF 20 threads per inch) In order to increase the pressure resisting strength of the refrigerant piping, flare processing diameter and opposing flare nuts sizes have been changed. (for copper pipes with nominal dimensions 1/2 and 5/8) New tools for R410A New tools for R410A Applicable to R22 model Changes Gauge manifold As the working pressure is high, it is impossible to measure the working pressure using conventional gauges. In order to prevent any other refrigerant from being charged, the port diameters have been changed. Charge hose In order to increase pressure resisting strength, hose materials and port sizes have been changed (to 1/2 UNF 20 threads per inch). When purchasing a charge hose, be sure to confirm the port size. Electronic balance for refrigerant charging As working pressure is high and gasification speed is fast, it is difficult to read the indicated value by means of charging cylinder, as air bubbles occur. Torque wrench (nominal dia. 1/2, 5/8) The size of opposing flare nuts have been increased. Incidentally, a common wrench is used for nominal diameters 1/4 and 3/8. Flare tool (clutch type) By increasing the clamp bar's receiving hole size, strength of spring in the tool has been improved. Gauge for projection adjustment Used when flare is made by using conventional flare tool. Vacuum pump adapter Connected to conventional vacuum pump. It is necessary to use an adapter to prevent vacuum pump oil from flowing back into the charge hose. The charge hose connecting part has two ports -- one for conventional refrigerant (7/16 UNF 20 threads per inch) and one for R410A. If the vacuum pump oil (mineral) mixes with R410A a sludge may occur and damage the equipment. Gas leakage detector Exclusive for HFC refrigerant. Incidentally, the "refrigerant cylinder" comes with the refrigerant designation (R410A) and protector coating in the U.S's ARI specified rose color (ARI color code: PMS 507). Also, the "charge port and packing for refrigerant cylinder" requires 1/2 UNF 20 threads per inch corresponding to the charge hose's port size. CONTENT WNG DCI 4 INSTALLATION OF THE INDOOR UNIT INSTALLATION OF THE MOUNTING PLATE 1. Figure 9 shows the location of the mounting plate relative to the unit size. Refer to one of the drawings, according to your unit length (marked in square). REMOVAL AND INSTALLATION OF THE 2. Locate the mounting plate as shown on the wall in a horizontal FRONT PANEL position, using a spirit level. 3. Mark the position of the four mounting holes on the wall and drill four holes to accommodate the dowels. 4. Mount the mounting plate on to the wall by the four screws. Ensure screws are tightened properly. 1. Open the front panel. 2. Open the terminal cover. 3. After installation of the wires, replace the terminal cover and close the grille. Fig.6 1. Lift the grille 2. Screw 3. Terminal Fig. 8 1 2 3 Fig. 6 PENETRATION OF WALL FOR TUBING REFRIGERATION TUBE ROUTING 1. There are five possible routes for installing the refrigeration tube as shown. 2. For route (6), cut the bottom notch in the rear. 3. For routes (5) or (7), cut the side notches in the rear and in the front panel. Fig. 7 1. Front 2. Rear 3. Rear outlet 4. Lefthand outlet 5. Lefthand raw outlet 6. Bottom outlet 7. Righthand outlet 1. Mark the location of the hole on either side of the mounting plate as shown. and drill it at a 5 downward angle, as shown. 2. The hole is drilled at an angle, to prevent condensed or rain water from penetrating back into the room. Fig. 9 A. OUTDOOR SIDE B. INDOOR SIDE 1.Drill 70 mm 2.Wall 4 B A 5 1 2 Fig. 9 Fig 87 Fig. CONTENT WNG DCI 5 SUSPENDING AND RELEASING THE UNIT FROM THE MOUNTING PLATE 1. Make sure that the refrigerant tubes, electric cables and condensate water hose are well insulated with closed cell rubber based insulating tubes (6mm thickness), are wrapped together with UV stabilized nonadhesive plastic tape, and are passed through the hole in the wall. 2. Hang the indoor unit on the two hooks that are located near the top edge of the mounting plate as shown in fig. 10 and fig. 11. 3. Press the lower part of the indoor unit against the mounting plate until the catches snap into the slots and lock the indoor unit to the mounting plate. 4. Check the installation by pulling the unit towards you. CONDENSATE HOSE CONNECTION 1. Attach the condensate drain hose to the corrugated hose in the rear groove of the indoor unit. 2. Wrap the drain hose together with the refrigerant tubes and electrical cables. 3. Ensure that the condensate drain hose is at all points installed in a downward slope manner. 5. To release the unit from the mounting plate, lift up the unit and then pull the unit towards you, to ensure that the hooks are locked. Fig.10 1.Indoor unit 2.Snap catches 2 1 2 3 Fig. 12 Fig.13 1.Trap 2.U-bend 3.End immersed in water 3.Top hooks 4.Bottom hooks 1 Fig.12 1.Drain hose 2.Clamp 3.Downward slope 4. When installing the drain hose avoid traps and Ubends. The end of the drain hose should not be immersed in water. 3 1 3 2 Fig. 13 Fig.14 1.Electric cable 2.Refrigerant tubing 3.Condensate drain hose 4.UV stabilized nonadhesive plastic tape 4 Fig. 10 5. For a lefthand outlet, lay the drain hose on the bottom of the indoor unit rear groove. Fig. 14 1 2 Fig.11 1.Mounting plate 2.Lower hook 3 4 1 Fig.15 1.Vent 2.Downward drain 3.Water drain hose 2 6.When the installation location requires long horizontal sections, a vent must be provided at the top of the hose to prevent overflow of the unit drain pan. Fig. 11 1 Fig. 15 3 2 7.Upon completing the installation, test the water drain by pouring at least two liters of water into the unit drain pan. Check that the water drains off. CONTENT WNG DCI 6 ELECTRICAL CONNECTION BETWEEN INDOOR AND OUTDOOR UNIT Power input cable ELECTRICAL REQUIREMENTS Electrical wiring and connections should be made by qualified electricians and in accordance with local electrical codes and regulation. The air conditioner units must be grounded. The air conditioner unit must be connected to an adequate power outlet from a separate branch circuit protected by a time delay circuit breaker, as specified on unit's nameplate. Voltage should not vary beyond 10% of the rated voltage. 8 8 100 40 Fig. 17a Cable between indoor and outdoor units L 1. Connect the power supply cable to the indoor unit of WNG. 2. To connect the indoor unit to the outdoor unit use the following electrical cables. 8 8 100 40 A Electrical connections: Power input cable: B Fig. 17b 2.5 mm2 3 wires Cable between Indoor and outdoor units: 4 wires 30 m Fig.17 A. OUTDOOR B. INDOOR 2.5 mm 2 3. Prepare the cable ends for the power input and for the cables between outdoor and indoor units as shown in figure 17a and 17b respectively. 4. Connect the cable ends to the terminals of the indoor and outdoor units, as shown in fig. 18. 1 5. Secure the multiple wire power cable with the cable clamps. 3 ESF-PWR COOL ESF-EN HEAT RESET MODE 5/C 4/L N L 2 Fig.16 1. Terminal 2. Cover 3. Cable clamp 4 8 N 4/L 5/C 7 A B 6 Fig. 16 5 NOTES: 1. The wire color code can be selected by the installer. Fig. 18 Fig.18 1. Indoor unit terminal 2. Ground wire. 3. Indoor coil. 4. Power cable in the indoor side. 5. Multiple wire cable. CONTENT 6. Cable clamp. 7. Outdoor unit wire terminal. 8. Power cable in the outdoor side (only for outdoor unit power supply) A. OUTDOOR B. INDOOR WNG DCI 7 Tightening torques of unions and valve caps: REFRIGERANT TUBING CONNECT THE INDOOR TO THE OUTDOOR UNIT The indoor unit contains a small quantity of nitrogen. Do not unscrew the nuts from the unit until you are ready to connect the tubing. The outdoor unit is supplied with sufficient refrigerant charge (R410A). Refer to outdoor unit nameplate. Fig. 20 NOTE: Use refrigeration R410A type copper tubing only. 5. Insulate each tube separately, and their unions, with at least 13 mm thick of insulation. Wrap the refrigerant tubing, drain hose and electric cables together with a vinyl tape (UV protected). Caution! When unscrewing the valve caps, do not stand in front of them or the spindles at any time, as the system is under pressure. 3 4 Fig. 19 1 2 3 3 Fig. 21 To prevent refrigerant leakage, coat the flared surface with refrigeration oil Fig. 22 1.Suction valve 2.Service port 3.Liquid valve After connecting the unions of the indoor and outdoor units, purge the air from the tubes and indoor unit as follows: 4. Connect the all ends of the tubing to the indoor and outdoor units. Notice the sign. All ends should correspond one by one. 2 Fig. 22 EVACUATION OF THE REFRIGERATION TUBES AND THE INDOOR UNIT 3. Place flares nuts on tube ends before preparing them with a flaring tool. Use the flare nuts that are mounted on the supplied outdoor and indoor units. 1 Fig. 21 2 Fig.20 1.Wrench 2.Torque wrench 3.Union 2. Use tubing diameter that corresponds to the tubing diameter of the indoor and outdoor units. Note that the liquid and suction tubes have different diameters. (See tube size, torque tightening table.) TORQUE 30-35 N.M. 50-54 N.M. 75-78 N.M. 80-100 N.M. 1 To prevent crushing, bend tubes using a bending tool. 1. Open the valve cover. TUBE SIZE Liquid line 3/8" Suction line 1/2" Suction line 5/8" Suction line 3/4" Fig. 19 1.INDOOR UNIT 2.Liquid tube (small dia.) 3.Suction tube (large dia.) 4.Plugs 5.Flare nuts 6.Tubing between units 7.Suction tube 8.Liquid tube 9.OUTDOOR UNIT 10.Flare nuts 11.Liquid valve (small) 12.Suction valve (larger) 1. Connect the charging hoses with a push pin to the low side of the charging set and the service port of the suction valve. Be sure to connect the end of the charging hose with the push pin to the service port. 2. Connect the center hose of the charging set to a vacuum pump. 3. Turn on the power switch of the vacuum pump, turn off the high side switch and make sure that the needle in the gauge moves from 0 MPa (0cm Hg) to -0.1 MPa (-76cm Hg). Let the pump run for fifteen minutes. 4. Close the valve of the low side of the charging set and turn off the vacuum pump. Note that the needle in the gauge should not move after approximately five minutes. 5. Not any problem for five minutes, turn on the power switch of the vacuum pump and open the valve of the low side of the charging set. 6. Disconnect the charging hose from the vacuum pump and from the service ports of the suction valve. 7. Tighten the service port caps of suction valve. 8. Redo 1 to 7 for other indoor units. 9. Remove the valve caps from all valves, and open them using a hexagonal Allen wrench. 10. Remount valve caps onto all of the valves. 11. Check for gas leaks from all the connecting position. Test with electronic leak detector or with a sponge immersed for soapy water for bubbles. NOTE For additional charge of various tubing lengths, refer to outdoor unit nameplate. Fig. 23 Fig. 23 1. Charging set 2. Vacuum pump 3. OUTDOOR UNIT 4. Service valve CONTENT 5. Cap 6. Suction valve 7. Service valve* 8. Cap 9. Liquid valve 10. INDOOR UNIT 11. Suction flare connection 12. Liquid flare connection *In some models only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Key features
- DC inverter technology
- R410A refrigerant
- Pre-charged units
- Indoor air quality features
- Low noise operation
- Easy installation
Frequently asked questions
The WNG DCI series benefits from DC inverter technology, R410A refrigerant, high COP, pre-charged units, networking system connectivity, a dry contact for clock or power shedding functions, base heater connection, cooling operation at outdoor temperature down to -10°C, heating operation at outdoor temperature down to -15°C, supports Indoor Air Quality features, indoor large diameter cross flow fan, bended indoor coil, easy access to connections, and automatic treated air sweep.
The WNG DCI series offers pre-filters (mesh), pre-charged electrostatic filter (disposable), active carbon filter (disposable), and ESF active electrostatic filter (optional).
The WNG DCI series has a microprocessor indoor controller and uses remote controllers like RC-2/3/4/5/7, RC-4i-1, RCW, μBMS, and Airconet version 4.2 and up networking system.
The operating limits for the WNG DCI series vary based on cooling and heating modes. For cooling, the upper limit is 32°C DB 23°C WB and the lower limit is 21°C DB 15°C WB. For heating, the upper limit is 10°C DB and the lower limit is -15°C DB -16°C WB.