Order No. PHAAM1008098C2
Monobloc Unit
WH-MDF09C3E5
WH-MDF12C6E5
WH-MDF14C6E5
WH-MDF16C6E5
WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to
service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
PRECAUTION OF LOW TEMPERATURE
In order to avoid frostbite, be assured of no refrigerant leakage during the installation or repairing of refrigerant circuit.
© Panasonic HA Air-Conditioning (M) Sdn. Bhd. 2010.
Unauthorized copying and distribution is a violation of law.
TABLE OF CONTENTS
PAGE
PAGE
1. Safety Precautions .............................................3
12.15 External Room Thermostat Control
(Optional) .................................................... 61
2. Specifications .....................................................5
2.1
2.2
2.3
2.4
13. Protection Control ........................................... 62
WH-MDF09C3E5 ...........................................5
WH-MDF12C6E5 ...........................................7
WH-MDF14C6E5 ...........................................9
WH-MDF16C6E5 .........................................11
13.1 Protection Control For All Operations ......... 62
13.2 Protection Control For Heating
Operation .................................................... 63
14. Servicing Mode ................................................ 64
3. Features.............................................................13
14.1
14.2
14.3
14.4
4. Location of Controls and Components..........14
4.1
Monobloc Unit ..............................................14
5. Dimensions .......................................................21
5.1
Monobloc Unit ..............................................21
Test Run ..................................................... 64
Proper Pump Down Procedure................... 64
How To Adjust Water Flow Rate................. 64
Expansion Vessel Pre Pressure
Checking ..................................................... 64
15. Maintenance Guide.......................................... 65
6. Refrigeration and Water Cycle Diagram ........22
16. Troubleshooting Guide................................... 67
7. Block Diagram ..................................................24
16.1 Refrigeration Cycle System ........................ 67
16.2 Relationship Between The Condition Of The
Monobloc Unit And Pressure And Electric
Current ........................................................ 68
16.3 Breakdown Self Diagnosis Function ........... 69
16.4 Error Codes Table....................................... 70
16.5 Self-diagnosis Method ................................ 72
7.1
7.2
WH-MDF09C3E5 .........................................24
WH-MDF12C6E5 WH-MDF14C6E5
WH-MDF16C6E5 .........................................25
8. Wiring Connection Diagram ............................26
8.1
8.2
WH-MDF09C3E5 .........................................26
WH-MDF12C6E5 WH-MDF14C6E5
WH-MDF16C6E5 .........................................28
17. Disassembly and Assembly Instructions ... 105
17.1
17.2
17.3
17.4
17.5
17.6
To Remove The Cabinet Front Plate ........ 105
To Remove The Cabinet Top Plate .......... 105
To Remove The Cabinet Rear Plate......... 106
To Remove Pressure Gauge .................... 106
To Remove RCCB .................................... 106
To Remove Transformer and Electronic
Controller Board........................................ 107
17.7 To Remove Pressure Relief Valve............ 107
17.8 To Remove Flow Switch ........................... 108
17.9 To Remove Water Pump .......................... 108
17.10 To Remove Bottle Complete..................... 108
9. Electronic Circuit Diagram ..............................30
9.1
9.2
WH-MDF09C3E5 .........................................30
WH-MDF12C6E5 WH-MDF14C6E5
WH-MDF16C6E5 .........................................32
10. Printed Circuit Board .......................................34
10.1 Water System ..............................................34
10.2 Refrigerant System ......................................36
11. Installation Instruction Monobloc Unit...........38
11.1
11.2
11.3
11.4
Select the Best Location ..............................40
Monobloc Unit Installation............................40
Piping Installation.........................................41
Connect The Cord And Cable To Monobloc
Unit...............................................................42
18. Technical Data ............................................... 109
12. Operation and Control .....................................47
19. Exploded View and Replacement Parts
List .................................................................. 114
18.1 Operation Characteristics ......................... 109
18.2 Heating Capacity Table............................. 113
18.3 Hydraulic Pump Performance................... 113
12.1 Basic Function .............................................47
12.2 Water Pump .................................................54
12.3 Pump Down Operation ................................54
12.4 Flow Switch..................................................54
12.5 Force Heater Mode Operation .....................55
12.6 Monobloc Unit Safety...................................55
12.7 Auto Restart Control ....................................55
12.8 Indication Panel ...........................................56
12.9 Back-Up Heater Control...............................56
12.10 Tank Booster Heater Control .......................57
12.11 Three Way Valve Control.............................57
12.12 Sterillization Mode........................................57
12.13 Quiet Operation............................................57
12.14 Solar operation (Optional)............................58
19.1 WH-MDF09C3E5 WH-MDF12C6E5
WH-MDF14C6E5 WH-MDF16C6E5
(Refrigerant System)................................. 114
19.2 WH-MDF09C3E5 WH-MDF12C6E5
WH-MDF14C6E5 WH-MDF16C6E5
(Water System) ......................................... 119
2
1. Safety Precautions
Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.
Electrical work and water installation work must be installed or serviced by a licensed electrician and licensed
water system installer respectively. Be sure to use the correct rating and main circuit for the model installed.
The caution items stated here must be followed because these important contents are related to safety. The
meaning of each indication used is as below. Incorrect installation or servicing due to ignoring of the instruction
will cause harm or damage, and the seriousness is classified by the following indications.
WARNING
This indication shows the possibility of causing death or serious injury.
CAUTION
This indication shows the possibility of causing injury or damage to properties.
The items to be followed are classified by the symbols:
This symbol denotes item that is PROHIBITED from doing.
Carry out test run to confirm that no abnormality occurs after the servicing. Then, explain to user the operation,
care and maintenance as stated in instructions. Please remind the customer to keep the operating instructions for
future reference.
WARNING
1. Do not modify the machine, part, material during repairing service.
2. If wiring unit is supplied as repairing part, do not repair or connect the wire even only partial wire break. Exchange the whole wiring unit.
3. Do not wrench the fasten terminal. Pull it out or insert it straightly.
4. Engage dealer or specialist for installation and servicing. If installation of servicing done by the user is defective, it will cause water leakage,
electrical shock or fire.
5. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electric shock or fire.
6. Use the attached accessories parts and specified parts for installation and servicing. Otherwise, it will cause the set to fall, water leakage,
refrigerant leakage, fire or electrical shock.
7. Install at a flat horizontal, strong and firm location which is able to withstand the monobloc unit’s weight. If the strength is not enough or
installation is not properly done, the set will drop and cause injury.
8. Do not install monobloc unit near handrail of veranda. When installing monobloc unit at veranda of high rise building, child may climb
up to monobloc unit and cross over the handrail and causing accident.
9. For electrical work, follow the local national wiring standard, regulation and the installation instruction. An independent circuit and single outlet
must be used. If electrical circuit capacity is not enough or defect found in electrical work, it will cause electrical shock or fire.
10. This equipment must be properly earthed. Earth line must not be connected to gas pipe, water pipe, earth of lightning rod and telephone.
Otherwise, it may cause electric shock in case equipment breakdown or insulation breakdown.
11. Do not use joint cable for monobloc unit connection cable. Use specified monobloc unit connection cable, refer to Installation Instructions
CONNECT THE CABLE TO THE MONOBLOC UNIT and connect tightly for monobloc unit connection. Clamp the cable so that no external
force will be acted on the terminal. If connection or fixing is not perfect, it will cause heat up or fire at the connection.
12. When install or relocate monobloc unit, do not let any substance other than the specified refrigerant, eg. air etc. mix into refrigerant cycle
(piping). Mixing of air etc. will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
13. This is a R410A model. When connecting the piping, do not use any existing (R22) pipes and flare nuts. Using such same may cause
abnormally high pressure in the refrigeration cycle (piping), and possibly result in explosion and injury. Use only R410A refrigerant.
Thickness of copper pipes used with R410A must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm.
It is desirable that the amount of residual oil is less than 40 mg/10 m.
14. During installation, install the refrigerant piping properly before run the compressor. Operation of compressor without fixing refrigeration piping
and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury etc.
15. During pump down operation, stop the compressor before remove the refrigeration piping. Removal of refrigeration piping while compressor is
operating and valves are opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injury
etc.
16. After completion of the installation servicing confirm there is no leakage of refrigerant gas. It may generate toxic gas when the refrigerant
contacts with fire.
17. Ventilate the room if there is refrigerant gas leakage during operation. Extinguish all fire sources if present. It may cause toxic gas when the
refrigerant contacts with fire.
18. Only use the supplied or specified installation parts, else, it may cause unit vibrate loose, water/refrigerant leakage, electrical shock or fire.
3
WARNING
19. The unit is only for use in a closed portable water system. Utilization in an open water circuit or non-portable water circuit, may lead to
excessive corrosion of the water piping and risk of incubating bacteria colonies, particularly Legionella, in water.
20. Do not insert your fingers or other objects into the unit, high speed rotating fan may cause injury.
21. Do not dismantle refrigerant piping using pipe wrench. It might deform the piping and cause the unit to malfunction.
22. Select a location where in case of water leakage, the leakage will not cause damage to other properties.
23. Do not locally purchase electrical parts of the product for the purpose of installation, service, maintenance and etc. They might cause
electrical shock or fire.
24. Do not branch the power from terminal block to heater tape. Overloaded terminal block will cause electrical shock or fire.
25. Installation or servicing work. It may need four or more people to carry out the installation or servicing work.
26. Do not use unspecified cord, modified cord, joint cord or extension cord for power supply cord. Do not share the single outlet with other
electrical appliances. Poor contact, poor insulation or over current will cause electrical shock or fire.
27. Tighten the flare nut with torque wrench according to specified method. If the flare nut is over-tightened, after a long period, the flare may
break and cause refrigerant gas leakage.
CAUTION
1. Do not install the monobloc unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at
surrounding of the monobloc unit, it may cause fire.
2. Carry out drainage piping as mentioned in installation instructions. If drainage is not perfect, water may enter the room and damage the
furniture.
3. It may need four or more persons to carry out the installation work. The weight of monobloc unit might cause injury if carried by less than four
person.
4. Do not touch monobloc unit air inlet and aluminium fin. It may cause injury.
5. Select an installation location which is easy for maintenance.
6. Pb free solder has a higher melting point than standard solder; typically the melting point is 50°F - 70°F (30°C - 40°C) higher. Please use a
high temperature solder iron. In case of the soldering iron with temperature control, please set it to 700 ± 20°F (370 ± 10°C).
Pb free solder will tend to splash when heated too high (about 1100°F/600°C).
7. Power supply connection to the monobloc unit.
Power supply point should be in easily accessible place for power disconnection in case of emergency.
Must follow local national wiring standard, regulation and this installation instruction.
Strongly recommended to make permanent connection to a circuit breaker. It must be a double pole switch with a minimum 3.0mm gap.
- Use approved 30A circuit breaker for power supply 1
- Use approved 30A circuit breaker for power supply 2
- Use approved 15A/16A circuit breaker for power supply 3
8. Do not release refrigerant during piping work for installation, servicing, re-installation and during repairing a refrigeration parts. Take
care of the liquid refrigerant, it may cause frostbite.
9. Do not install this appliance in a laundry room or other high humidity location. This condition will cause rust and damage to the unit.
10. Make sure the insulation of power supply cord does not contact to hot part (i.e. refrigerant piping, water piping) to prevent from
insulation failure (melt).
11. Do not sit, step or place anything on the unit, you may fall down accidentally.
12. Do not touch the sharp aluminum fins or edges of metal parts.
If you are required to handle sharp parts during installation or servicing, please wear hand glove.
Sharp parts may cause injury.
13. After installation, check the water leakage condition in connection area during test run. If leakage occur, it will cause damage to other
properties.
14. The unit described in this manual is designed for use in a closed water system only. Utilization in an open water circuit may lead to
excessive corrosion of the water piping.
4
2. Specifications
2.1
WH-MDF09C3E5
Item
Performance Test Condition
Unit
Heating Capacity
kW
9.00
BTU/h
30700
kcal/h
7740
EUROVENT
COP
Air Flow
Refrigerant System
W/W
4.74
kcal/hW
4.07
3
3
m /min (ft /min)
Refrigeration Control Device
Refrigeration Oil
cm
Refrigerant (R410A)
Pipe Diameter
Compressor
3
FV50S (1200)
kg (oz)
2.30 (81.2)
Liquid
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.88 (5/8)
Type
Hermetic Motor
Motor Type
Rated Output
Fan
Brushless (4-poles)
kW
3.00
Type
Propeller Fan
Material
PP
Motor Type
Input Power
Output Power
Fan Speed
Heat Exchanger
76.8 (2710)
Expansion Valve
Induction (8-poles)
W
—
W
60
rpm
490 (Top Fan) 530 (Bottom Fan)
Fin material
Aluminium (Pre Coat)
Fin Type
Corrugated Fin
Row × Stage × FPI
Size (W × H × L)
881.5 × 1295.4 × 44
Unit
Monobloc Unit
mm (inch)
1410 (55.5)
Width
mm (inch)
1283 (50.5)
Depth
mm (inch)
320 (12.6)
Net Weight
kg (lbs)
153 (337)
Noise Level
dB-A
49
Dimension
Item
Height
2 × 51 × 18
mm
Power Source (Phase, Voltage, Cycle)
Power Level dB
66
ø
Single
V
230
Hz
50
Input Power
kW
1.90
Maximum Input Power For Monobloc Unit
kW
5.01
kW
3.00 (6.00)
Maximum Input Power For Internal Heater
(Back-up Heater + Tank Heater)
Starting Current
A
8.7
Running Current
A
8.70
Maximum Current For Monobloc Unit
A
22.9
A
13.0 (26.0)
%
95
Maximum Current For Internal Heater
(Back-up Heater + Tank Heater)
Power Factor
5
Item
Unit
Power factor means total figure of compressor and outdoor fan motor.
Power Cord
Monobloc Unit
Number of core
Length
m (ft)
-
Thermostat
Electronic Control
Protection Device
Electronic Control
Item
Performance Test Condition
Operation Range
Unit
EUROVENT
Outdoor Ambient
°C
-20 ~ 35
Water Outlet
°C
25 ~ 55
Internal Pressure Differential
Refrigerant Pipe Diameter
Water Pipe Diameter
Liquid
kPa
15.0
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.88 (5/8)
Inlet
mm (inch)
30 (1-3/16)
Outlet
Water Drain Hose Inner Diameter
Pump
Water System
mm (inch)
30 (1-3/16)
mm (inch)
15.00 (19/32)
Motor Type
Capacitor Run Induction Motor (5 μF)
No. of Speed
3
Input Power
Hot Water Coil
W
190
Type
Brazed Plate
No. of Plates
60
Size (W x H x L)
Water Flow Rate
Pressure Relief Valve Water Circuit
mm
93 x 100 x 325
3
l/min (m /h)
25.8 (1.6)
kPa
Open: 190, Close: 186 and below
Flow Switch
Magnetic Lead Switch
Protection Device
Expansion Vessel
Volume
MWP
Capacity of Integrated Electric Heater
A
Residual Current Circuit Breaker (40)
I
10
bar
1
kW
3.00
Note:
Heating capacities are based on outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb
(42.8°F Wet Bulb) with controlled water inlet temperature of 30°C and water outlet temperature of 35°C.
Specification are subjected to change without prior notice for further improvement.
6
2.2
WH-MDF12C6E5
Item
Performance Test Condition
Unit
Heating Capacity
kW
EUROVENT
COP
Air Flow
Refrigerant System
12.00
BTU/h
41000
kcal/h
10320
W/W
4.67
kcal/hW
4.02
3
3
m /min (ft /min)
Refrigeration Control Device
Refrigeration Oil
cm
Refrigerant (R410A)
Pipe Diameter
Compressor
3
FV50S (1200)
kg (oz)
2.30 (81.2)
Liquid
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.88 (5/8)
Type
Hermetic Motor
Motor Type
Rated Output
Fan
Brushless (4-poles)
kW
3.00
Type
Propeller Fan
Material
PP
Motor Type
Input Power
Output Power
Fan Speed
Heat Exchanger
80.0 (2830)
Expansion Valve
Induction (8-poles)
W
—
W
60
rpm
510 (Top Fan) 550 (Bottom Fan)
Fin material
Aluminium (Pre Coat)
Fin Type
Corrugated Fin
Row × Stage × FPI
Size (W × H × L)
881.5 × 1295.4 × 44
Unit
Monobloc Unit
mm (inch)
1410 (55.5)
Width
mm (inch)
1283 (50.5)
Depth
mm (inch)
320 (12.6)
Net Weight
kg (lbs)
153 (337)
Noise Level
dB-A
50
Dimension
Item
Height
2 × 51 × 18
mm
Power Source (Phase, Voltage, Cycle)
Power Level dB
67
ø
Single
V
230
Hz
50
Input Power
kW
2.57
Maximum Input Power For Monobloc Unit
kW
5.30
kW
6.00 (9.00)
Maximum Input Power For Internal Heater
(Back-up Heater + Tank Heater)
Starting Current
A
11.6
Running Current
A
11.6
Maximum Current For Monobloc Unit
A
24.0
A
26 (39)
Maximum Current For Internal Heater
(Back-up Heater + Tank Heater)
Power Factor
%
Power factor means total figure of compressor and outdoor fan motor.
Power Cord
96
Number of core
Length
m (ft)
-
Thermostat
Electronic Control
Protection Device
Electronic Control
7
Item
Performance Test Condition
Operation Range
Unit
EUROVENT
Outdoor Ambient
°C
-20 ~ 35
Water Outlet
°C
25 ~ 55
Internal Pressure Differential
Refrigerant Pipe Diameter
Water Pipe Diameter
Liquid
kPa
27.5
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.88 (5/8)
Inlet
mm (inch)
30 (1-3/16)
Outlet
Water Drain Hose Inner Diameter
Pump
Water System
mm (inch)
30 (1-3/16)
mm (inch)
15.00 (19/32)
Motor Type
Capacitor Run Induction Motor (5 μF)
No. of Speed
3
Input Power
Hot Water Coil
W
190
Type
Brazed Plate
No. of Plates
60
Size (W x H x L)
Water Flow Rate
Pressure Relief Valve Water Circuit
mm
100 x 93 x 325
3
l/min (m /h)
34.4 (2.1)
kPa
Open: 190, Close: 186 and below
Flow Switch
Magnetic Lead Switch
Protection Device
Expansion Vessel
Volume
MWP
Capacity of Integrated Electric Heater
A
Residual Current Circuit Breaker (40)
I
10
bar
1
kW
6.00
Note:
Heating capacities are based on outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb
(42.8°F Wet Bulb) with controlled water inlet temperature of 30°C and water outlet temperature of 35°C.
Specification are subjected to change without prior notice for further improvement.
8
2.3
WH-MDF14C6E5
Item
Performance Test Condition
Unit
Heating Capacity
kW
EUROVENT
COP
Air Flow
Refrigerant System
14.00
BTU/h
47800
kcal/h
12040
W/W
4.50
kcal/hW
3.87
3
3
m /min (ft /min)
Refrigeration Control Device
Refrigeration Oil
cm
Refrigerant (R410A)
Pipe Diameter
Compressor
3
FV50S (1200)
kg (oz)
2.30 (81.2)
Liquid
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.88 (5/8)
Type
Hermetic Motor
Motor Type
Rated Output
Fan
Brushless (4-poles)
kW
3.00
Type
Propeller Fan
Material
PP
Motor Type
Input Power
Output Power
Fan Speed
Heat Exchanger
84.0 (2970)
Expansion Valve
Induction (8-poles)
W
—
W
60
rpm
540 (Top Fan) 580 (Bottom Fan)
Fin material
Aluminium (Pre Coat)
Fin Type
Corrugated Fin
Row × Stage × FPI
Size (W × H × L)
881.5 × 1295.4 × 44
Unit
Monobloc Unit
mm (inch)
1410 (55.5)
Width
mm (inch)
1283 (50.5)
Depth
mm (inch)
320 (12.6)
Net Weight
kg (lbs)
153 (337)
Noise Level
dB-A
51
Dimension
Item
Height
2 × 51 × 18
mm
Power Source (Phase, Voltage, Cycle)
Power Level dB
68
ø
Single
V
230
Hz
50
Input Power
kW
3.11
Maximum Input Power For Monobloc Unit
kW
5.52
kW
6.00 (9.00)
Maximum Input Power For Internal Heater
(Back-up Heater + Tank Heater)
Starting Current
A
14.1
Running Current
A
14.1
Maximum Current For Monobloc Unit
A
25.0
A
26 (39)
Maximum Current For Internal Heater
(Back-up Heater + Tank Heater)
Power Factor
%
Power factor means total figure of compressor and outdoor fan motor.
Power Cord
96
Number of core
Length
m (ft)
-
Thermostat
Electronic Control
Protection Device
Electronic Control
9
Item
Performance Test Condition
Operation Range
Unit
EUROVENT
Outdoor Ambient
°C
-20 ~ 35
Water Outlet
°C
25 ~ 55
Internal Pressure Differential
Refrigerant Pipe Diameter
Water Pipe Diameter
Liquid
kPa
36.0
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.8 (5/8)
Inlet
mm (inch)
30 (1-3/16)
Outlet
Water Drain Hose Inner Diameter
Pump
Water System
mm (inch)
30 (1-3/16)
mm (inch)
15.00 (19/32)
Motor Type
Capacitor Run Induction Motor (5 μF)
No. of Speed
3
Input Power
Hot Water Coil
W
190
Type
Brazed Plate
No. of Plates
60
Size (W x H x L)
Water Flow Rate
Pressure Relief Valve Water Circuit
mm
100 x 93 x 325
3
l/min (m /h)
40.1 (2.4)
kPa
Open: 190, Close: 186 and below
Flow Switch
Magnetic Lead Switch
Protection Device
Expansion Vessel
Volume
MWP
Capacity of Integrated Electric Heater
A
Residual Current Circuit Breaker (40)
I
10
bar
1
kW
6.00
Note:
Heating capacities are based on outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb
(42.8°F Wet Bulb) with controlled water inlet temperature of 30°C and water outlet temperature of 35°C.
Specification are subjected to change without prior notice for further improvement.
10
2.4
WH-MDF16C6E5
Item
Performance Test Condition
Unit
Heating Capacity
kW
EUROVENT
COP
Noise Level
Air Flow
Refrigerant System
16.00
BTU/h
54600
kcal/h
13760
W/W
4.23
kcal/hW
3.64
dB-A
53
Power level dB
70
3
3
m /min (ft /min)
Refrigeration Control Device
Refrigeration Oil
cm
Refrigerant (R410A)
Pipe Diameter
Compressor
3
FV50S (1200)
kg (oz)
2.30 (81.2)
Liquid
mm (inch)
9.52 (3/8)
Gas
mm (inch)
Type
Rated Output
Brushless (4-poles)
kW
3.00
Type
Propeller Fan
Material
PP
Motor Type
Input Power
Output Power
Fan Speed
Heat Exchanger
Induction (8-poles)
W
—
W
60
rpm
580 (Top Fan) 620 (Bottom Fan)
Fin material
Aluminium (Pre Coat)
Fin Type
Corrugated Fin
Row × Stage × FPI
Size (W × H × L)
2 × 51 × 18
mm
881.5 × 1295.4 × 44
Unit
Monobloc Unit
mm (inch)
1410 (55.5)
Width
mm (inch)
1283 (50.5)
Depth
mm (inch)
320 (12.6)
Net Weight
kg (lbs)
153 (337)
Noise Level
dB-A
53
Power Level dB
70
ø
Single
V
230
Dimension
Item
Height
15.88 (5/8)
Hermetic Motor
Motor Type
Fan
90.0 (3180)
Expansion Valve
Power Source (Phase, Voltage, Cycle)
Hz
50
Input Power
kW
3.78
Maximum Input Power For Monobloc Unit
kW
5.74
kW
6.00 (9.00)
Maximum Input Power For Internal Heater
(Back-up Heater + Tank Heater)
Starting Current
A
17.1
Running Current
A
17.1
Maximum Current For Monobloc Unit
A
26.0
A
26 (39)
Maximum Current For Internal Heater
(Back-up Heater + Tank Heater)
Power Factor
%
Power factor means total figure of compressor and outdoor fan motor.
Power Cord
96
Number of core
Length
m (ft)
-
11
Item
Unit
Monobloc Unit
Thermostat
Electronic Control
Protection Device
Electronic Control
Item
Performance Test Condition
Operation Range
Unit
EUROVENT
Outdoor Ambient
Water Outlet
Internal Pressure Differential
Refrigerant Pipe Diameter
Water Pipe Diameter
°C
-20 ~ 35
°C
25 ~ 55
kPa
47.5
Liquid
mm (inch)
9.52 (3/8)
Gas
mm (inch)
15.88 (5/8)
Inlet
mm (inch)
30 (1-3/16)
mm (inch)
30 (1-3/16)
Outlet
Water Drain Hose Inner Diameter
Pump
Water System
mm (inch)
Motor Type
No. of Speed
3
Input Power
Hot Water Coil
W
190
Type
Brazed Plate
No. of Plates
60
Size (W x H x L)
Water Flow Rate
Pressure Relief Valve Water Circuit
mm
100 x 93 x 325
3
l/min (m /h)
45.9 (2.8)
kPa
Open: 190, Close: 186 and below
A
Residual Current Circuit Breaker (40)
Volume
I
10
MWP
bar
1
kW
6.00
Flow Switch
Magnetic Lead Switch
Protection Device
Expansion Vessel
Capacity of Integrated Electric Heater
15.00 (19/32)
Capacitor Run Induction Motor (5 μF)
Note:
Heating capacities are based on outdoor air temperature of 7°C Dry Bulb (44.6°F Dry Bulb), 6°C Wet Bulb
(42.8°F Wet Bulb) with controlled water inlet temperature of 30°C and water outlet temperature of 35°C.
Specification are subjected to change without prior notice for further improvement.
12
3. Features
Inverter Technology
- Energy saving
High Efficiency
Compact Design
Environment Protection
- Non-ozone depletion substances refrigerant (R410A)
Easy to use remote control
Weekly Timer setting
Quality Improvement
-
Random auto restart after power failure for safety restart operation
Gas leakage protection
Prevent compressor reverse cycle
Inner protector to protect compressor
Serviceability Improvement
-
Breakdown Self Diagnosis function
System Status Check Buttons for servicing purpose
System Pumpdown Button for servicing purpose
Front maintenance design for monobloc unit
Operation Condition
HEATING
Maximum
Minimum
Water outlet temperature (°C)
55
25
Ambient temperature (°C)
35
-20
NOTICE : When the outdoor temperature is out of the above temperature range, the heating capacity will drop significantly
and monobloc unit might stop for protection control.
13
4. Location of Controls and Components
4.1
Monobloc Unit
14
4.1.1
Main Components
15
4.1.2
4.1.2.1
Location of Control
Remote Control
The user interface allows the installer and user to setup, use and maintain the unit.
16
17
18
4.1.3
Weekly Timer Setting
19
4.1.4
Setting Up The Special Functions
20
5. Dimensions
5.1
Monobloc Unit
21
6. Refrigeration and Water Cycle Diagram
22
23
7. Block Diagram
7.1
WH-MDF09C3E5
24
7.2
WH-MDF12C6E5 WH-MDF14C6E5 WH-MDF16C6E5
25
8. Wiring Connection Diagram
8.1
WH-MDF09C3E5
26
27
8.2
WH-MDF12C6E5 WH-MDF14C6E5 WH-MDF16C6E5
28
29
9. Electronic Circuit Diagram
9.1
WH-MDF09C3E5
30
31
9.2
WH-MDF12C6E5 WH-MDF14C6E5 WH-MDF16C6E5
32
33
10. Printed Circuit Board
10.1 Water System
10.1.1 Main Printed Circuit Board
34
10.1.2 Solar Printed Circuit Board (Optional)
35
10.2 Refrigerant System
10.2.1 Main Printed Circuit Board
36
10.2.2 Capacitor Printed Circuit Board
10.2.3 Noise Filter Printed Circuit Board
37
11. Installation Instruction
Monobloc Unit
Dimension Diagram
38
Main Components
39
11.1 Select the Best Location
11.2
Monobloc Unit Installation
Monobloc unit will become heavy when filled with
water. Therefore, please install the Monobloc unit on
strong concrete floor, by considering weight of unit
and water.
Fix Monobloc unit on the concrete floor with M12
anchor bolt at 4 locations.
Pull-out strength of these anchor bolts must be
above 15000N.
Install Monobloc unit at outdoor only.
Avoid location where ambient temperature is
below -20°C.
Must install on a flat horizontal and solid hard
surface.
A place where should not be any heat source or
steam near the Monobloc unit.
A place where air circulation is good.
A place where drainage can be easily done.
A place where Monobloc unit’s operation noise
will not cause discomfort to the user.
A place where accessible for maintenance.
Ensure to keep minimum distance of spaces as
illustrated below from wall, ceiling, or other
obstacles.
A place where flammable gas leaking might not
occur.
A place where the Monobloc unit’s piping and
wiring lengths come within reasonable ranges.
If an awning is built over the unit to prevent direct
sunlight or rain, be careful that heat radiation from
the condenser is not obstructed.
Do not place any obstacles which may cause a
short circuit of the discharged air.
Avoid install the Monobloc unit at a location where
suction side may be exposed directly to wind.
If Monobloc unit installed near sea, region with
high content of sulphur or oily location (e.g.
machinery oil, etc.), it lifespan maybe shorten.
When installing the product in a
place where it will be affected by
typhoon or strong wind such as
wind blowing between buildings,
including the rooftop of a building
and a place where there is no
building in surroundings, fix the
product with an overturn prevention
wire, etc. (Overturn prevention
fitting model number: K-KYZP15C)
When connecting solar pump station cable
between Monobloc unit and solar pump station,
the distance between both apparatuses shall be
2 ~ 8 meters and the length of the said cable must
be shorter than 10 meter.
Fail to do so may lead to abnormal operation to
the system.
40
11.3
Piping Installation
Must install an external filter (30 mesh or more,
field supply) before water inlet connector of
Monobloc unit (indicate with “WATER IN”).
Connect the external of Monobloc unit (indicate
with “WATER OUT”) to boiler tank inlet. Fail to
connect the tube appropriately might causing the
Monobloc unit malfunction.
Choose proper sealer which can withstand the
pressures and temperatures of the system.
Make sure to use two spanners to tighten the
connection.
Further tighten the nuts with torque wrench in
specified torque as stated in the table.
WARNING
This section is for authorized and licensed electrician / water
system installer only. Work behind the front plate secured by
screws must only be carried out under supervision of qualified
contractor, installation engineer or service person.
Please engage a licensed water circuit installer to
install this water circuit.
The minimum requirement of water in the system
is 50 litres.
If this value could not be achieved, please install
additional buffer tank (field supply).
This water circuit must comply with relevant
European and national regulations (including
EN61770), and local building regulation codes.
Ensure the components installed in the water
circuit could withstand water pressure during
operation.
Do not apply excessive force to piping that may
damage the pipes.
Do not install any valve between Monobloc unit
and water piping to avoid accidental closure of
water supply to the Monobloc unit.
Use Rp 1 ¼” nut for both water inlet and water
outlet connection and clean all piping with tap
water before install.
If old heat pump terminal / tank is utilized, please
clean the dust properly before installation.
Refer Diagram 3.1 for installation of 3-way Valve
Kit.
Model
Nut size (Torque)
Water
WH-MDF09C3E5
WH-MDF12C6E5
WH-MDF14C6E5
WH-MDF16C6E5
Rp 1 1/4" [117.6 N•m]
If non-brass metallic piping is used for installation,
make sure to insulate the piping to prevent
galvanic corrosion.
Do not use worn out piping.
Make sure to insulate the water circuit piping
(insulator thickness : 20mm or more) to prevent
reduction of heating capacity, as well as avoid
freezing of the outdoor water circuit piping during
winter season.
After installation, check the water leakage
condition in connection area during test run.
Drainage piping installation
Use a drain hose with inner diameter of 15 mm.
The hose must be installed in a continuously
downward direction and left open to the frost-free
atmosphere.
If drain hose is long, use a metal support fixture
along the way to eliminate the wavy pattern of
drain tube.
The water may drip from this discharge hose.
Therefore must guide the hose without close or
block the outlet of the hose.
Do not insert this hose into sewage hose or
cleaning hose that may generate ammonia gas,
sulfuric gas, etc.
If necessary, use a hose clamp to tighten the hose
at drain hose connector to prevent it from leaking.
In case of a power supply failure or pump
operating failure, drain the system (as suggested
in the figure below).
When water is idle inside the system, freezing up
is very likely to happen which could damage the
system.
41
11.4 Connect The Cord And Cable To Monobloc Unit
(REFER TO WIRING DIAGRAM AT UNIT FOR DETAIL)
1 Cable connection to the power supply through isolating device (Disconnecting means).
o Isolating device (Disconnecting means) should have minimum 3.0 mm contact gap.
o Connect the approved polychloroprene sheathed power supply 1 cord (3 x 4.0 or 6.0 mm2) and power
supply 2 cord (3 x 4.0 mm2) and power supply 3 cord (3 x 1.5 mm2), type designation 60245 IEC 57 or
heavier cord to the RCCB, and to the other end of the cord to isolating device (Disconnecting means).
2 To avoid cable and cord harmed by sharp edge, cable and cord must go through bushing (located at the right
side of Monobloc unit) before carry out electrical connection. The bushing must be used and must not take
off.
3 Secure the cable onto the control board with the holder (clamper).
Connecting with external device (optional)
1 All connections shall follow to the local national wiring standard.
2 It is strongly recommended to use manufacturer-recommended parts and accessories for installation.
3 Maximum output power of booster heater shall be ≤ 3 kW. Booster Heater’s cord must be (3 x min 1.5 mm2),
of type designation 60245 IEC 57 or heavier.
4 Three-way Valve shall be spring and electronic type. Valve’s cable shall be (3 x min 0.5 mm2), of type
designation 60245 IEC 57 or heavier, or similarly double insulation sheathed cable.
* note: - Shall be CE marking compliance component.
- It shall be directed to heating mode when it is OFF.
- Maximum load for the valve is 3VA.
42
5
Receiver shall be connected to “Room Thermostat”, refer to “Field Supply Accessories” table for details.
Receiver’s cable must be (4 or 3 x min 0.5 mm2), double insulation layer of PVC-sheathed or polychloroprene
sheathed cable. (connection refer to Diagram 4.2).
6 Tank OLP’s cable must be (2 x min 0.5 mm2), double insulation layer of PVC-sheathed or polychloroprene
sheathed cable.
* note: if such connection deemed NO necessary for tank OLP, please connect jumper between terminal no
#13 and #14.
7 Tank Sensor shall be resistance type, please refer to Graph 4.1 for the characteristic and details of sensor.
Its cable shall be (2 x min 0.3 mm2), double insulation layer (with insulation strength of min 30V) of PVCsheathed or polychloroprene sheathed cable.
8 External Controller shall be connected to 1-pole switch with min 3.0mm contact gap. (connection refer to
Diagram 4.3). Its cable must be (2 x min 0.5 mm2), double insulation layer of PVC-sheathed or
polychloroprene sheathed cable.
* note: - When making such connection, kindly remove the jumper between terminal no #17 and #18.
- Switch used shall be CE compliance component.
- Maximum operating current shall be less than 3Arms.
9 Solar Three-way Valve’s cable shall be (3 x min 0.5 mm2), double insulation layer PVC-sheathed or
polychloroprene sheathed cable.
10 Must install Solar Connection PCB to Monobloc unit when Solar Pump Station is utilized. Refer Solar
Connection PCB’s installation instruction for detail of installation.
11 Solar Pump Station’s cable shall be (2 x min 0.5 mm2), of double insulation PVC-sheathed or
polychloroprene sheathed cable. Strongly recommended install with maximum length of 10 meter only.
Terminal screw
Tightening torque N•cm {kgf•cm}
M4
157~196 {16~20}
M5
196~245 {20~25}
11.4.1 Wire Stripping And Connecting Requirement
43
11.4.2 Connecting Requirement
For WH-MDF09C3E5:
The equipment’s power supply 1 complies with IEC/EN 61000-3-12 provided that the short-circuit power Ssc is
greater than or equal to 858kW (for WH-MDF09C3E5) at the interface point between the user’s supply and the
public system. It is the responsibility of the installer or user of the equipment to ensure, by consultation with the
distribution network operator if necessary, that the equipment is connected only to a supply with a short-circuit
power Ssc greater than or equal to 858kW.
The equipment’s power supply 1 shall be connected to a suitable supply network, having service current capacity
≥100A per phase. Please liaise with supply authority to ensure that the service current capacity at the interface
point is sufficient for the installation of the equipment.
The equipment’s power supply 2 complies with IEC/EN 61000-3-12.
The equipment’s power supply 2 shall be connected to a suitable supply network, with the following maximum
permissible system impedance Zmax at the interface for models:
WH-MDF09C3E5 : 0.236Ω
Please liaise with supply authority to ensure that the power supply 2 is connected only to a supply of that
impedance or less.
For WH-MDF12C6E5, WH-MDF14C6E5, WH-MDF16C6E5:
The equipment’s power supply 1 complies with IEC/EN 61000-3-12 provided that the short-circuit power Ssc is
greater than or equal to 858kW (for WH-MDF12C6E5, WH-MDF14C6E5, WH-MDF16C6E5) at the interface point
between the user’s supply and the public system. It is the responsibility of the installer or user of the equipment to
ensure, by consultation with the distribution network operator if necessary, that the equipment is connected only
to a supply with a short-circuit power Ssc greater than or equal to 858kW.
The equipment’s power supply 1 shall be connected to a suitable supply network, having service current capacity
≥100A per phase. Please liaise with supply authority to ensure that the service current capacity at the interface
point is sufficient for the installation of the equipment.
The equipment’s power supply 2 complies with IEC/EN 61000-3-12.
The equipment’s power supply 2 shall be connected to a suitable supply network, with the following maximum
permissible system impedance Zmax at the interface for models:
WH-MDF12C6E5, WH-MDF14C6E5, WH-MDF16C6E5 : 0.236Ω
Please liaise with supply authority to ensure that the power supply 2 is connected only to a supply of that
impedance or less.
The equipment’s power supply 3 complies with IEC/EN 61000-3-12.
The equipment’s power supply 3 shall be connected to a suitable supply network, with the following maximum
permissible system impedance Zmax at the interface for models:
WH-MDF12C6E5, WH-MDF14C6E5, WH-MDF16C6E5 : 0.464Ω
Please liaise with supply authority to ensure that the power supply 3 is connected only to a supply of that
impedance or less.
11.4.3 Wired Remote Controller Instalation
44
11.4.3.1
Selecting The Installation Location
5
Allow sufficient space around the remote
controller (1) as shown in the illustration above.
Install in a place which is away from direct sunlight
and high humidity.
Install in a flat surface to avoid warping of the
remote controller. If installed to a wall with an
uneven surface, damage to the LCD case or
operation problems may result.
Install in a place where the LCD can be easily
seen for operation. (Standard height from the floor
is 1.2 to 1.5 meters.)
Avoid installing the remote controller cable near
refrigerant pipes or drain pipes, else it will cause
electrical shock or fire.
11.4.3.2
1
2
3
4
5
6
Insert firmly the connector of remote controller
cable (2) to connector (CON1) in the upper
case circuit board.
[Refer to the illustration at below.]
Secure the remote controller upper case to
the lower case with the tabs provided.
Installing The Remote
Controller Unit To The Wall
Remove the remote controller (1) lower case.
(Insert a flat-tipped screw driver or similar tool
2 to 3 mm into one of the gaps at the bottom
of the case, and twist to open. Refer to the
illustration at below.)
Be careful not to damage the lower case.
Do not remove the protective tape which is
affixed to the upper case circuit board when
remove the remote controller lower case.
Secure the lower case to an outlet box or wall.
Refer to (A) or (B) instructions below
depending on your choice of cable installation.
Be sure to use only the screws provided.
Do not over tighten the screws, as it may
result in damage to the lower case.
B. If Remote Controller Cable Is Exposed
1 Install the remote controller lower case to the
wall with the two accessory screws (4).
2 Fasten the screws properly until screw head is
lower than the rib and reach the base of
remote controller lower case to ensure they do
not damage the PCB inside the remote
controller (1).
3
4
5
A. If Remote Controller Cable Is Embedded
1 Embed an outlet box (JIS C 8336) into the
wall. Outlet box may be purchased separately.
Medium-sized square outlet box (obtain locally)
Part No. DS3744 (Panasonic Co., Ltd.) or
equivalent.
2 Secure the remote controller lower case to the
outlet box with the two accessory screws (3).
Make sure that the lower case is flat against
the wall at this time, with no bending.
3 Pass the remote controller cable (2) into the
box.
4 Route the remote controller cable (2) inside
the lower case through rear feeding-out
direction.
6
7
45
The feeding-out direction for the remote
controller cable can be either via top, left or
right side.
Use nipper to cut a notch at the upper case.
(Select the intended feeding-out position)
Route the remote controller cable (2) inside
the lower case in accordance with the
intended feeding-out direction. (Refer to the
illustration at below)
Insert firmly the connector of remote controller
cable (2) to connector (CON1) in the upper
case circuit board.
(Refer to the illustration at below)
Secure the remote controller upper case to
the lower case with the tabs provided.
11.4.3.3
Connecting The Remote
Controller Cable To Monobloc
Unit
CAUTION
Be sure to turn off the main power before installing and
connecting the remote controller. Otherwise, it will cause the
electrical shock.
1
2
3
4
Remove the cabinet front plate and cabinet
top plate.
Connect the remote controller’s connector to
PCB - CN-REMOTE2 as shown in below
illustration. (Refer wiring diagram for detail.)
Guide the remote controller cable through the
clamper and Bushing .
(Refer illustration “How to connect Remote
Controller to PCB” for detail.)
Reinstall the cabinet front plate and cabinet
top plate after connection complete.
11.4.3.4
Disposal of Monobloc Unit
Drain Water
If the unit is used in an area where temperature
falls below 0°C for 2 or 3 days in succession, it is
recommended not to use a drain elbow, for the
drain water freezes and the fan will not rotate.
46
12. Operation and Control
12.1 Basic Function
Inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time
passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating
mode, the microcomputer maintains the set temperature by measuring the temperature of the environment and
performing temperature shifting. The compressor at monobloc unit is operating following the frequency instructed by
the microcomputer at monobloc unit that judging the condition according to internal water setting temperature and
water outlet temperature.
12.1.1 Internal Water Setting Temperature
Once the operation starts, control panel setting temperature will be taken as base value for temperature shifting
processes. These shifting processes are depending on the monobloc unit settings and the operation environment.
The final shifted value will be used as internal water setting temperature and it is updated continuously whenever the
electrical power is supplied to the unit.
12.1.2 Heating Operation
12.1.2.1
Thermostat control
Compressor is OFF when Water Outlet Temperature - Internal Water Setting Temperature > 2°C for continuously
3 minutes.
Compressor is ON after waiting for 3 minutes, if the Water Outlet Temperature - Water Inlet Temperature
(temperature at thermostat OFF is triggered) < -3°C.
12.1.3 Tank Mode Operation
Control contents:
3 ways valve direction
- 3 ways valve switch and fix to tank side.
Heat Pump Thermostat characteristic
- Water set temperature = tank set temperature or [55°C] whichever lower.
- Heat Pump Water Outlet set temperature is set to Maximum (55°C) at tank mode
i. Case 1
- THERMO OFF TEMP:
1 THERMO OFF TEMP = Water set temperature + [+2°C].
2 Tank temperature > THERMO OFF TEMP for continuous 3 minutes, heat pump OFF and water pump OFF.
- THERMO ON TEMP:
1 THERMO ON TEMP = Water set temperature + [-3°C].
2 When detect tank temperature < THERMO ON TEMP, water pump ON for 3 minutes then heat pump ON.
- Pump ON when Tank temperature is less than Tank temperature when Heat pump Thermo Off - [-3°C].
47
ii. Case 2
- Heat pump THERMO OFF TEMP:
1 Heat pump THERMO OFF TEMP = 55°C + [+2°C].
2 Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 3 minutes, heat pump OFF but
water pump ON.
- Heat pump THERMO ON TEMP:
1 Heat pump THERMO ON TEMP = Water inlet during thermo off time + [-3°C].
2 Heat pump ON back when water outlet temperature < Heat pump THERMO ON TEMP.
iii. Case 3
- Heat pump THERMO OFF TEMP:
1 Water inlet temperature > X_INLETDT_1°C for continuous X_INLETDT_2 sec, heat pump OFF and water
pump OFF.
- Heat pump THERMO ON TEMP:
1 Heat pump THERMO ON TEMP = Water inlet during thermo off time + [-3°C].
2 Water pump ON back when tank temp. < tank temp. when heat pump thermo off + [-3°C].
3 Heat pump only ON back after water outlet temperature < Heat pump THERMO ON TEMP & water pump ON
for 3 minutes.
Booster heater control
- Booster heater turn On and Off follow normal operation.
- Booster heater turn ON condition:
1 During startup time (initialization), Booster heater turn ON after DELAY TIMER.
2 When tank temperature lower than HEATER ON TEMP.
3 [X_THEATTM_2] minutes from previous heater off.
- Booster heater turn OFF condition:
1 When tank temperature higher than tank set temperature for continuous 15 secs.
Solar 3 way valve
- Solar pump operates follow solar operation specification.
Others
- Indoor backup heater cannot be ON during tank mode only.
48
12.1.4 Heat + Tank Mode Operation
Setting 1:- When Heating priority is set by control panel:
1 3 ways valve control:
o 3 ways valve switch and fix to room side.
2
o
Heat pump operation control:Heat pump operate follow normal operation.
o
Backup Heater control:Backup heater operate follow normal operation.
o
Booster Heater control:
Booster heater On/Off follow normal operation.
o
Solar 3 way valve:
Solar 3 way valve operates follow solar operation specification.
3
4
5
* Under solar priority is set condition, when solar 3 way valve is ON, booster heater turn OFF.
Setting 2:- When heating priority is not set by control panel:
When Solar Priority is set / not set by control panel:
1 3 ways valve control:
o 3 ways valve switch to room side during heating heat-up interval, and switch to tank side during tank
heat-up interval. Both mode will switch alternatively.
2
Heat pump operation control:
o During heating heat-up interval
Follow normal heating operation.
Under solar priority set condition:
o Always detect the tank temperature after heating heat-up interval. Switch only to tank heat-up
interval and start counting tank heat-up timer when tank temperature < THERMO ON TEMP
AND solar 3WV OFF
Under solar priority not set condition:
o Always detect the tank temperature after heating heat-up interval. Switch only to tank heat-up
interval and start counting tank heat-up timer when tank temperature < THERMO ON TEMP
* THERMO ON TEMP is defined form following Case1 to Case4.
49
During tank heat-up interval
o Heat pump tank target temperature = tank set temperature or [55°C] whichever lower
o Heat Pump Water Outlet set temperature is set to Maximum [55°C] during tank interval
i. Case 1
o THERMO OFF TEMP:
1. THERMO OFF TEMP = Heat pump tank target temperature + [+2°C].
2. Tank temperature > THERMO OFF TEMP for continuous 3 minutes, switch 3 ways valve to room side.
End Tank heat-up interval and start count heating heat-up interval.
o
THERMO ON TEMP:
1. THERMO ON TEMP = Heat pump tank target temperature + [-3°C].
2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval
when tank temperature < THERMO ON TEMP
ii. Case 2
o Heat pump THERMO OFF TEMP:
1. Heat pump THERMO OFF TEMP = 55°C + [+2°C].
2. Water outlet temperature > Heat pump THERMO OFF TEMP for continuous 90 seconds, switch 3
ways valve to room side. End Tank heat-up interval and start count heating heat-up interval.
o
THERMO ON TEMP:
1. THERMO ON TEMP = Tank temp. when heat pump thermo off + [-3°C].
2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval
when tank temperature < THERMO ON TEMP
iii. Case 3
o Heat pump THERMO OFF TEMP:
1. Water inlet temperature > X_INLETDT_1°C for continuous X_INLETDT_2 sec, switch 3 ways valve to
room side. End tank heat-up interval and start count heating heat-up interval.
o
THERMO ON TEMP:
1. THERMO ON TEMP = Tank temp. when heat pump thermo off + [-3°C].
2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval
when tank temperature < THERMO ON TEMP.
iv. Case 4 (Only during solar priority is set condition)
When solar pump ON, tank heat-up interval end early and 3 ways valve switch to room side.
o
THERMO ON TEMP:
1. THERMO ON TEMP = Heat pump tank target temperature + [-3°C].
2. After Heating heat-up interval, always detect tank temperature. Switch to next tank heat-up interval
when tank temperature < THERMO ON TEMP and solar 3 way valve OFF.
3
Backup Heater control:o During heating heat up interval.
Follow normal backup heater control operation.
o During tank heat-up interval.
Backup heater OFF during this interval.
4
Booster heater control:
o During heating heat-up interval.
Booster heater ON/OFF according to booster heater operation control.
o During tank heat-up interval.
Once switch from heating heat-up interval to tank heat-up interval, turn off the booster heater and
start counting the BOOSTER HEATER DELAY TIMER.
Booster heater turn ON after BOOSTER HEATER DELAY TIMER fulfill and tank temperature lower
than tank set temperature.
BOOSTER HEATER DELAY TIMER is clear when switch to heating heat-up interval.
5
Solar 3 way valve:
o Solar 3WV operates follow solar operation specification.
50
* Under solar priority is set condition, when solar 3WV is ON, booster heater turn OFF.
* Under solar priority is not set condition, solar 3WV only can ON during heating heat-up interval.
51
12.1.5 Setting Water Outlet Temperature For Heat Mode
The set temperature define the parameters for the outdoor ambient temperature dependent operation of the unit.
Where by the internal water setting temperature is determined automatically depending on the outdoor
temperature. The colder outdoor temperatures will result in warmer water and vice versa. The user has the
possibility to shift up or down the target water temperature by remote control setting.
Outdoor temperature is updated every 30 minutes when operation ON.
12.1.5.1
Heating Mode Operation Time Chart
Example
1
2
3
4
3 ways valve control:
o 3 ways valve switch and fix to heating side
Heat pump operate follow normal heating operation.
Backup heater operate follow normal operation.
Solar 3 way valve operates follow solar operation specification.
12.1.6 Water Temperature Thermo Shift Setting
Switchs are ignored during “PUMPDW” = ON.
Switchs are ignored during “STATUS” = ON.
“▲”, “▼”, “SELECT” switch are ignored if “SETTING” = OFF.
“CANCEL” switch is ignored if “SETTING” = OFF & “STATUS” = OFF.
If “SET” Switch pressed for less than 5secs, immediately enter water temperature shift setting mode.
52
Once enter this setting mode, “SETTING” display is ON.
This setting mode is used to easily shift the target water outlet temperature.
12.1.7 Fan Motor Operation
Fan motor is adjusted according to operation condition. It starts when compressor starts operation and it stops
30 seconds after compressor stops operation.
53
12.2 Water Pump
12.2.1 Water Pump Control
1
2
3
Once the monobloc unit is ON, the water pump will be ON immediately and no error judgement for 9 minutes.
However, during this 9 minutes operation, if there is any abnormality cause at monobloc unit or malfunction,
the compressor should be OFF immediately and restart delay after 3 minutes.
The system will start checking on the water flow level after operation start for 9 minutes. If water flow level is
detected low continuously for 1 minute, the water pump and compressor will be OFF permanently and
OFF/ON remote control LED will blink (H62 error occurs).
The water pump will remain ON when compressor OFF due to thermostat OFF.
12.3 Pump Down Operation
Purpose
Ensure the pump down operation when relocating or disposing of the unit. The pump down operation will extract
all refrigerant from the piping into the monobloc unit.
1
2
3
4
Make sure the OFF/ON remote control LED is OFF (no operation).
Press the Pump Down button to start the pump down operation.
No low pressure protection error during pump down operation and 3-way valve will be shift to heating side.
Press OFF/ON button to stop the pump down operation.
12.4 Flow Switch
12.4.1 Flow Switch Control
1
2
The water flow switch serve as an overload protector that shuts down the unit when the water level is
detected to be low.
Detection is Lo (0V) when there is no water flow, and detection is Hi (5V) when there is water flow.
54
12.5 Force Heater Mode Operation
The backup heater also serves as backup in case of malfunctioning of the monobloc unit.
1 Make sure the OFF/ON remote control LED is OFF (no operation).
2 Press the Force button to start the force heater mode operation.
3 During force heater mode, all other operations are not allowed.
4 Press OFF/ON button to stop the force heater mode operation.
12.6 Monobloc Unit Safety
12.6.1 Monobloc Unit Safety Control
1
2
3
When water pump is ON, the system will start checking flow switch status (ON/OFF).
If the flow switch ON for 10 seconds, the system will check on the water inlet temperature for 10 seconds.
If the water inlet temperature not exceeds 80°C, the water pump shall be continuously running with normal
mode.
If the water inlet temperature exceeds 80°C for continuously 10 seconds, the water pump will be OFF
immediately.
After water pump OFF for more than 10 minutes, it will be ON back and the monobloc unit safety control
checking is restarted.
12.7 Auto Restart Control
When the power supply is cut off during the operation of Monobloc unit, the compressor will re-operate after power
supply resumes.
55
12.8 Indication Panel
LED
Color
Light ON
Light OFF
Operation
Green
Operation ON
Operation OFF
Note:
If Operation LED is blinking, there is an abnormality operation occurs.
12.9 Back-Up Heater Control
12.9.1 Electric Heater control
1
Normal Heating Mode
o Heater On condition:
a. Heater switch is ON
b. After Heatpump thermo ON for [30] mins
c. After water pump operate [9] mins
d. Outdoor air temperature < Outdoor set temperature for heater
e. When water outlet temperature < Water set temperature + [-8°C]
f. [20] minutes since previous Backup heater Off
* When heatpump cannot operate due to error happens during normal operation, heater will go into
force mode automatic
* Heater need to operate during deice operation
o
2
Heater Stop Condition:
a. When outdoor set temperature > outdoor set temperature + [+2°C] for continuous 15 secs OR
b. When water out temp> water set temperature + [-2°C] for continuous 15 secs OR
c. Heater switch is Off OR
d. Heat pump thermo-off or OFF condition
Force Heater Mode
o Heater On Condition:
a. After water pump operate [9] mins
b. When water outlet temperature < water set temperature + [-8°C]
c. [20] minutes since previous Backup heater Off
o
Heater Stop condition
a. Force mode off OR
b. When water outlet temperature > water set temperature + [-2°C] for continuous 15 secs
* Do not operate heater at the following situation
1 Water outlet temperature sensor, and water inlet sensor abnormal
2 Flow switch abnormal
3 Circulation pump stop condition
4 During Heat pump switch to tank side
56
12.10 Tank Booster Heater Control
12.10.1 Tank booster heater control
Heating operation condition:
1
2
Booster heater Turn On condition:
o After BOOSTER HEATER DELAY TIMER fulfill during heat pump startup time in tank mode, or during
switching from heating heat-up interval to tank heat-up interval in heat + tank mode (heating priority not
set).
o Tank temperature < tank set temperature + [-5°C],
o 20 minutes since previous heater off.
* BOOSTER HEATER DELAY TIMER is clear when tank heat-up interval end.
Booster heater Turn Off condition:
o Tank temperature > tank set temperature + [+2°C] for continuous 15 secs
o When BOOSTER HEATER DELAY TIMER start count after switch from heating heat-up interval to tank
heat-up interval
* DELAY TIMER can be set by remote control.
12.11 Three Way Valve Control
Purpose:
- 3 ways valve is used to change flow direction of hot water from heat pump between heating side and tank side
Control contents:
1 3 ways valve switch Off:
o During 3 ways valve switch Off time, the hot water will provide heat capacity to heating side.
2 3 ways valve switch On:
o During 3 ways valve switch On time, the hot water will provide heat capacity to tank side.
3 Stop condition:
o During stop mode, 3 ways valve will be in switch off position
12.12 Sterillization Mode
1
2
3
4
During Sterillization mode, Tank will be heat up to the Sterillize Set temperature for a certain period of time,
also set by controller.
The function can only be set on timer to operate once in a week.
It will be cancelled even when the temperature is not reached after 4 hours.
When tank mode is OFF or disabled, sterillization is cancelled.
12.13 Quiet Operation
Purpose:
- To provide quiet operation compare to normal operation by reduces monobloc unit noise.
Starting condition:
1 When quiet button is presses.
2 When quiet request ON time by weekly timer (Refer to remote control.)
When any of above mentioned condition is achieved, this control is activated.
New target FM speed = Present target FM speed - 80 rpm
Minimum target FM speed = 200 rpm
Cancellation condition:
1 Cancel by press quiet button
2 Stop by OFF/ON button
3 When quiet request OFF time by weekly timer
When any of above mentioned condition is achieved, this control is cancelled.
57
12.14 Solar operation (Optional)
12.14.1 Solar operation
1
2
3
Control according to preset whether Solar Priority is set or not.
When tank connection is NOT set at SETTING mode, Solar operation is disabled.
When Pump A (from Solar pump station) is detected On through connection Y3 and Y4, then the Solar pump
3 Way Valve is requested ON (Refer to figure below).
12.14.2 Solar operation control
When solar priority is SET
1 Operation condition:
a. Solar pump operates if all of the following conditions are fulfilled:Power On. (regardless operation ON or OFF).
There is operation request from Solar pump station.
Tank hot water temp is below solar on upper limit temp [EEPROM 1 : 70] °C.
2 Stop condition:
a. Solar pump stops operating when:No power supply to unit OR
There is NO operation request from Solar pump station OR
Tank hot water temp is above solar off upper limit temp [EEPROM 2 : 77] °C.
* heat pump OFF OR operate to room side when solar pump operate during solar priority set.
* booster heater OFF when solar pump operate during solar priority set.
When solar priority is NOT SET
1 Operation condition:
a. Solar pump operates if all of the following conditions are fulfilled:Power On. (regardless operation ON or OFF).
There is operation request from Solar pump station.
Tank hot water temp is below solar on upper limit temp [EEPROM 1 : 70] °C.
Heat pump thermo Off in tank mode OR Heat pump operate to room side (During Operation ON and
tank mode selected).
2 Stop condition:
a. Solar pump stops operating when:No power supply to unit OR
There is NO operation request from Solar pump station OR
Tank hot water temp is above solar off upper limit temp [EEPROM 2 : 77] °C.
Heat pump thermo ON and operate to tank side. (During Operation ON and tank mode selected).
58
59
60
12.15 External Room Thermostat Control (Optional)
Purpose:
1 Better room temperature control to fulfill different temperature request by external room thermostat.
Recomended external room thermostat:
Maker
Siemen (REV200)
Siemen (RAA20)
Characteristic
Touch panel
Analog
Connection of external room thermostat:
Wire connection and thermo characteristic of Siemen REV200:
Setting
Set Temp < Actual Temp
Set Temp > Actual Temp
L/L1 (H)
Open Circuit
Short Circuit
Heat Thermo
OFF
ON
L/L2 (C)
Short Circuit
Open Circuit
Cool Thermo
ON
OFF
L/Y2 (C)
Short circuit
Open circuit
Cool Thermo
ON
OFF
Wire connection and thermo characteristic of Siemen RAA20:
Setting
Set Temp < Actual Temp
Set Temp > Actual Temp
L/Y1 (H)
Open circuit
Short circuit
Heat Thermo
OFF
ON
Control Content:
External room thermostat control activate only when remote thermostat connection select YES by Indoor remote
control.
When indoor running heat mode, refer thermo On/Off from heating line feedback. And when indoor running cool
mode, refer thermo On/Off from cooling line feedback.
Heat pump Off immediately when receive thermo off feedback.
61
13. Protection Control
13.1
Protection Control For All Operations
13.1.1 Time Delay Safety Control
1
The compressor will not start for three minutes after stop of operation.
13.1.2 30 Seconds Forced Operation
1
2
Once the compressor starts operation, it will not stop its operation for 30 seconds.
However, it can be stopped using remote control.
13.1.3 Total Running Current Control
1
2
3
When the monobloc unit running current exceeds X value, the compressor frequency will decrease.
If the monobloc unit running current does not exceed X value, the compressor frequency will return to normal
operating frequency.
If the monobloc unit running current continue to increase till exceed Y value, compressor will stop, and if this
occurs 3 times within 20 minutes, system will stop operation and OFF/ON remote control LED will blink (F16
error occurs).
09C
Operation Mode
Heating
X (A)
22.7
12C
Y (A)
27.9
X (A)
24.0
14C
Y (A)
27.9
X (A)
25.0
16C
Y (A)
27.9
X (A)
26.0
Y (A)
27.9
13.1.4 IPM (Power transistor) Prevention Control
A. Overheating Prevention Control
1 When the IPM temperature rises to 95°C, compressor will stop immediately.
2 Compressor will restart delay 3 minutes when the IPM temperature decreases to 90°C.
If this condition repeats continuously 3 times within 30 minutes, system will stop operation and OFF/ON
remote control LED will blink (F22 error occurs).
B. DC Peak Current Control
1 When the current to IPM exceeds set value of 40.1 ± 5.0 A (MDF09C), 44.7 ± 5.0 A (MDF12C, MDF14C,
MDF16C), compressor will stop. Compressor will restart after three minutes.
2 If the set value exceeds again for more than 30 seconds after the compressor restarts, operation will restart
after two minutes.
3 If the set value exceeds again for within 30 seconds after the compressor restarts, operation will restart after
one minute. If this condition repeats continuously for seven times, system will stop operation and OFF/ON
remote control LED will blink (F23 error occurs).
13.1.5 Compressor Overheating Prevention Control
The compressor operating frequency is regulated in accordance to compressor tank temperature as shown in
below figures. When the compressor tank temperature exceeds 112°C, compressor will stop, and if this occurs 4
times within 30 minutes, system will stop operation and OFF/ON remote control LED will blink (F20 error occurs).
62
13.1.6 Low Frequency Protection Control 1
When the compressor continuously operates at frequency lower than 25 Hz for 240 minutes, the operation
frequency will change to 24 Hz for 2 minutes.
13.1.7 Low Frequency Protection Control 2
When all the below conditions comply, the compressor frequency will change to lower frequency.
Temperature, T, for:
Outlet water (°C)
Outdoor air (°C)
Indoor heat exchanger (°C)
Heating
T < 14 or T ≥ 48
T < 4 or T ≥ 24
T≥0
13.1.8 High Pressure Sensor Control
Purpose:
- To protect the system operation.
Detection period:
- After compressor on for 5 minutes.
Detection conditions:
- When abnormal high voltage detection, 5V or when open circuit detection 0V for 5 seconds continuously.
After detection:
- When abnormality is detected continue 5 seconds, unit stop operation.
- OFF/ON remote control LED will blink (H64 error occurs).
13.1.9 Outside Temperature Current Control
13.1.10 Crank Case Heater Control
Purpose:
- For compressor protection during low outdoor ambient operation (during heating low temperature operation).
Control content:
a. Trigger heater START condition
o When the outdoor air temperature is 4°C or below, and discharge temperature is 11.6°C or below.
b. Resetting heater STOP condition
1. when the outdoor air temperature exceeds entry condition (6°C).
2. when the discharge temperature exceeds entry condition (18.8°C).
13.2
Protection Control For Heating Operation
13.2.1 Outdoor Air Temperature Control
The maximum current value is regulated when the outdoor air temperature rises above 14°C in order to avoid
compressor overloading.
13.2.2 Deice Operation
When Monobloc unit (Refrigerant system) pipe temperature and outdoor air temperature is low, deice operation start
where monobloc unit fan motor stop.
63
14. Servicing Mode
14.1
1
2
3
14.2
1
2
3
4
5
6
14.3
Test Run
Fill up the boiler tank with water. For details refer to boiler tanks installation instruction and operation
instruction.
Set ON to the monobloc unit and RCCB. Then, for remote control operation please refers to monobloc unit
operation instruction.
For normal operation, pressure gauge reading should be in between 0.05 MPa and 0.2 MPa.
If necessary, adjust the water pump speed accordingly to obtain normal water pressure operating range. If
adjust water pump speed cannot solve the problem, contact your local authorized dealer.
Proper Pump Down Procedure
Make sure the OFF/ON remote control LED is OFF (no operation).
Press the “PUMPDW” switch on remote control to begin PUMP DOWN mode. Operate the system in PUMP
DOWN mode for 10 ~ 15 minutes.
After 10-15 minutes, (after 1 or 2 minutes in case very low ambient temperatures (< 10°C)), fully close 3 way
valve (Liquid side).
After 3 minutes, fully close 3 way valve (Gas side).
Press the “OFF/ON” switch on remote control to stop PUMP DOWN mode.
Remove the refrigerant piping.
How To Adjust Water Flow Rate
Before adjust the water flow rate, make sure that the total water volume in the installation is 30 litres minimum
(09C3), 50 litres minimum (12C6, 14C6 & 16C6).
The water flow rate can be adjusted with select the water pump speed on the water pump. The default setting is
moderate speed (II). Adjust it to high speed (III) and slow speed (I) if necessary (e.g. reduce the noise of running
water).
Below graph shown the external static pressure (kPa) versus water flow rate (l/min).
Flow rate characteristic of indoor unit is as per above mentioned.
14.4
Expansion Vessel Pre Pressure Checking
Expansion Vessel with 10L air capacity and initial pressure of 1 bar is installed in this monobloc unit.
Total amount of water in system should be below 200L.
(Note: This amount of water is not include the tank unit volume)
If total amount of water is over 200L, please add expansion vessel.
Please keep the installation height difference of system water circuit within 7m.
(Inner volume of same monobloc unit is about 5L)
64
15. Maintenance Guide
In order to ensure optimal performance of the unit, checks and inspections on the unit and the field wiring must be
carried out regularly. Please request a licensed technician for carry out maintenance job.
Before carried out any maintenance or repair work, and removing the front plate of heat exchanger unit, always
switch off all power supply (i.e. monobloc unit power supply, heater power supply and sanitary tank power supply).
Below checks must be carried out at least once a year.
1
2
3
4
Water pressure
Water pressure should not lower than 0.05 MPa (with inspects the pressure gauge). If necessary add tap
water into boiler tank. Refer to boiler tank installation instruction for details on how to add water.
Pressure relief valve
o Take out the cover with remove the mounting screw for access to the pressure relief valve.
o Check for correction operation of pressure relief valve by turn up the lever to become horizontal. (Refer
to figure below)
o If you do not hear a clacking sound (due to water drainage), contact your local authorized dealer.
o Turn down the lever after checking finish.
o In case the water keeps drained out from the unit, switch off the system, and then contact your local
authorized dealer.
o Reinstall the cover with tighten the mounting screws properly, if the pressure relief valve is functioning
normal.
Indoor unit control board area
Thorough visual inspection of the control board and look for defects, i.e. loose connection, melting of wire
insulator and etc.
RCCB
Ensure the RCCB set to “ON” condition before check RCCB.
Turn on the power supply to the monobloc unit.
This testing could only be done when power is supplied to the monobloc unit.
WARNING
Be careful not to touch parts other than RCCB test button when the power is supplied to Monobloc Unit. Else, electrical shock
may happen.
o
o
o
o
5
Push the “TEST” button on the RCCB. The lever would turn down and indicate “0” and indicate green
colour if it functions normal.
Contact authorized dealer if the RCCB malfunction.
Turn off the power supply to the monobloc unit.
If RCCB functions normal, set the lever to “ON” again after testing finish.
How to release the trapped air in water circuit
o Turn up the lever to become horizontal. (Refer to figure “Pressure relief valve”). The trapped air will be
drained out together with water. After few seconds, turn down the lever to stop the water drainage.
o Repeat it until the bubbling sound disappear.
65
6
Reset overload protector
Overload Protector serves the safety purpose to prevent the water over heating. When the Overload
Protector trip at high water temperature, take below steps to reset it.
a. Take out OLP Cover.
b. Use a test pen to push the centre button gently in order to reset the Overload protector.
c. After finish, install back the Overload protector following the reverse order of step a & b.
7
External water filter (field supply)
Clean the external water filter in regularly basic.
o External water filter is located inside the tube connector which is before water inlet connector of
monobloc unit (indicated with “WATER IN”). (Refer to figure below)
o Use spanner to detach the tube connector nut.
o Take out the filter carefully so that not deforms it shape.
o Use tap water only to wash the residue on the filter. If necessary, gently use soft brush only to clean the
hard dirt.
o After clean, put it back to the original location and tighten the nut connection with torque wrench.
66
16. Troubleshooting Guide
16.1
Refrigeration Cycle System
In order to diagnose malfunctions, make sure that there
are no electrical problems before inspecting the
refrigeration cycle.
Such problems include insufficient insulation, problem
with the power source, malfunction of a compressor and a
fan.
The normal pressure of the refrigeration cycle depends
on various conditions, the standard values for them are
shown in the table on the right.
67
16.2
Relationship Between The Condition Of The Monobloc Unit And
Pressure And Electric Current
Heating Mode
Condition of the Monobloc Unit
Low Pressure
High Pressure
Electric current during operation
Water leakage or insufficient water flow
rate in the system
Excessive amount of refrigerant
Inefficient compression
Insufficient refrigerant
(gas leakage)
Monobloc unit (refrigerant system) heat
exchange deficiency
Clogged expansion valve or Strainer
Carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is
started.
68
16.3
Breakdown Self Diagnosis Function
16.3.1 Self Diagnosis Function (Three Digits Alphanumeric Code)
When abnormality occur during operation, the system will stop operation, and OFF/ON remote control LED will
blink and error code will display on the remote control Timer display LCD.
Even error code is reset by turning OFF power supply or by pressing ERROR RESET button, if the system
abnormality is still un-repaired, system will again stop operation, and OFF/ON remote control LED will again blink.
The error code will store in IC memory.
To check the error code
1 When an abnormality occurs, system will stop operation and OFF/ON remote control LED will blink.
2 Error code of the abnormality will display on the remote control Timer display LCD.
3 To determine the abnormality description, the Error Code Table needs to be referred.
To display past/last error code
1 Turn ON power supply.
2 Press and hold the CHECK button for more than 5 seconds to enter status mode.
3 Press the SEARCH DOWN/UP button to retrieve past/last error code.
4 Press the CANCEL button or wait 30 seconds to exit status mode.
To permanently delete error code from IC memory
1 Turn ON power supply.
2 Press and hold the ERROR RESET button for more than 8 seconds till a beep sound is heard.
69
16.4
Error Codes Table
Diagnosis display
Abnormality/Protection control
Abnormality Judgement
H00
H12
No abnormality detected
Indoor/Outdoor capacity unmatched
—
90s after power supply
H15
Continue for 5 sec.
H42
Outdoor compressor temperature sensor
abnormality
Indoor refrigerant liquid temperature
sensor abnormality
Compressor low pressure abnormality
H62
H64
Water flow switch abnormality
Refrigerant high pressure abnormality
Continue for 1 min.
Continue for 5 sec.
H70
Back-up heater OLP abnormality
Continue for 60 sec.
H72
H76
Continue for 5 sec.
—
H90
Tank sensor abnormal
Indoor – remote control communication
abnormality
Indoor/outdoor abnormal communication
> 1 min after starting operation
H91
Tank heater OLP abnormality
Continue for 60 sec.
H95
H98
Indoor/Outdoor wrong connection
Outdoor high pressure overload
protection
—
—
H99
Indoor heat exchanger freeze prevention
—
F12
Pressure switch activate
F14
Outdoor compressor abnormal revolution
F15
Outdoor fan motor lock abnormality
F16
Total running current protection
F20
Outdoor compressor overheating
protection
F22
IPM (power transistor) overheating
protection
Outdoor Direct Current (DC) peak
detection
Refrigeration cycle abnormality
3 times occurrence within 30
minutes
7 times occurrence
continuously
2 times occurrence within 20
minutes
Cooling/Heating cycle changeover
abnormality
Pressure switch abnormality
Outdoor air temperature sensor
abnormality
Indoor water inlet temperature sensor
abnormality
Outdoor discharge pipe temperature
sensor abnormality
4 times occurrence within 30
minutes
Continue for 1 min.
Continue for 5 sec.
H23
F23
F24
F25
F27
F36
F37
F40
Continue for 5 sec.
—
4 times occurrence within 20
minutes
4 times occurrence within 20
minutes
2 times occurrence within 30
minutes
3 times occurrence within 20
minutes
4 times occurrence within 30
minutes
Continue for 5 sec.
Continue for 5 sec.
70
Primary location to verify
—
Indoor/outdoor connection wire
Indoor/outdoor PCB
Specification and combination table in
catalogue
Compressor temperature sensor
(defective or disconnected)
Refrigerant liquid temperature sensor
(defective or disconnected)
Outdoor pipe temperature sensor
Clogged expansion valve or strainer
Insufficient refrigerant
Outdoor PCB
Compressor
Water flow switch
Outdoor high pressure sensor
(defective or disconnected)
Back-up heater OLP
(Disconnection or activated)
Tank sensor
Indoor - control panel
(defective or disconnected)
Internal/external cable connections
Indoor/Outdoor PCB
Tank heater OLP
(Disconnection or activated)
Indoor/Outdoor supply voltage
Outdoor high pressure sensor
Water pump or water leakage
Clogged expansion valve or strainer
Excess refrigerant
Outdoor PCB
Indoor heat exchanger
Refrigerant shortage
Pressure switch
Outdoor compressor
Outdoor PCB
Outdoor fan motor
Excess refrigerant
Outdoor PCB
Compressor tank temperature sensor
Clogged expansion valve or strainer
Insufficient refrigerant
Outdoor PCB
Compressor
Improper heat exchange
IPM (Power transistor)
Outdoor PCB
Compressor
Insufficient refrigerant
Outdoor PCB
Compressor low compression
4-way valve
V-coil
Pressure switch
Outdoor air temperature sensor
(defective or disconnected)
Water inlet temperature sensor
(defective or disconnected)
Outdoor discharge pipe temperature
sensor (defective or disconnected)
Diagnosis display
Abnormality/Protection control
F41
PFC control
F42
Outdoor heat exchanger temperature
sensor abnormality
Outdoor defrost sensor abnormality
F43
F45
F46
F95
Indoor water outlet temperature sensor
abnormality
Outdoor Current Transformer open
circuit
Abnormality Judgement
4 times occurrence within 10
minutes
Continue for 5 sec.
Continue for 5 sec.
Continue for 5 sec.
—
Cooling high pressure overload
protection
—
71
Primary location to verify
Voltage at PFC
Outdoor heat exchanger temperature
sensor (defective or disconnected)
Outdoor defrost sensor (defective or
disconnected)
Water outlet temperature sensor
(defective or disconnected)
Insufficient refrigerant
Outdoor PCB
Compressor low
Outdoor high pressure sensor
Water pump or water leakage
Clogged expansion valve or strainer
Excess refrigerant
Outdoor PCB
16.5
Self-diagnosis Method
16.5.1 Connection Capability Rank Abnormality (H12)
Malfunction Decision Conditions:
During startup operation of cooling and heating, the capability rank of indoor checked by the outdoor is used to
determine connection capability rank abnormality.
Malfunction Caused:
1 Wrong model interconnected.
2 Wrong indoor unit or outdoor unit PCB (main) used.
3 Faulty indoor unit or outdoor unit PCB (main).
Abnormality Judgment:
Continue for 90 seconds.
72
16.5.2 Compressor Tank Temperature Sensor Abnormality (H15)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the compressor tank
temperature sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
73
16.5.3 Indoor Refrigerant Liquid Temperature Sensor Abnormality (H23)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the indoor refrigerant liquid
temperature sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
74
16.5.4 Compressor Low Pressure Protection (H42)
Malfunction Decision Conditions:
During operation of heating and after 5 minutes compressor ON, when outdoor pipe temperature below -29°C or
above 26°C is detected by the outdoor pipe temperature sensor.
Malfunction Caused:
1 Dust accumulation on the outdoor unit heat exchanger.
2 Air short circuit at outdoor unit.
3 2 way valve partially closed.
4 Faulty outdoor unit fan motor.
5 Refrigerant shortage (refrigerant leakage).
6 Clogged expansion valve or strainer.
7 Faulty outdoor pipe temperature sensor.
8 Faulty outdoor unit main PCB (main).
75
16.5.5 Water Flow Switch Abnormality (H62)
Malfunction Decision Conditions:
During operation of cooling and heating, the water flow detected by the indoor water flow switch is used to
determine water flow error.
Malfunction Caused:
1 Faulty water pump.
2 Water leak in system.
3 Faulty connector connection.
4 Faulty water flow switch.
5 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 10 seconds (but no judgment for 9 minutes after compressor startup/restart).
76
16.5.6 Outdoor High Pressure Abnormality (H64)
Malfunction Decision Conditions:
During operation of cooling and heating, when the outdoor high pressure sensor output signal is 0Vdc or 5Vdc.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 4 times in 20 minutes.
77
16.5.7 Indoor Backup Heater OLP Abnormality (H70)
Malfunction Decision Conditions:
During operation of indoor backup heater, when no power supplies to indoor backup heater or OLP open circuit.
Malfunction Caused:
1 Faulty power supply connector connection.
2 Faulty connector connection.
3 Faulty indoor backup heater overload protector (OLP).
4 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 60 seconds.
78
16.5.8 Tank Temperature Sensor Abnormality (H72)
Malfunction Decision Conditions:
When tank connection is set to ON, the temperatures detected by the tank temperature sensor are used to
determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
79
16.5.9 Indoor-Control Panel Communication Abnormality (H76)
Malfunction Decision Conditions:
During standby and operation of cooling and heating, indoor-remote control error occur.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty remote control.
3 Faulty indoor unit PCB (main).
80
16.5.10 Indoor/Outdoor Abnormal Communication (H90)
Malfunction Decision Conditions:
During operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is
checked whether it is normal.
Malfunction Caused:
1 Faulty outdoor unit PCB (main).
2 Faulty indoor unit PCB (main).
3 Indoor-outdoor signal transmission error due to wrong wiring.
4 Indoor-outdoor signal transmission error due to breaking of wire in the connection wires between the indoor
and outdoor units.
5 Indoor-outdoor signal transmission error due to disturbed power supply waveform.
Abnormality Judgment:
Continue for 1 minute after operation.
81
16.5.11 Tank Booster Heater OLP Abnormality (H91)
Malfunction Decision Conditions:
During operation of tank booster heater, and tank booster heater OLP open circuit.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty tank booster heater overload protector (OLP).
3 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 60 seconds.
82
16.5.12 Unspecified Voltage between Indoor and Outdoor (H95)
Malfunction Decision Conditions:
The supply power is detected for its requirement by the indoor/outdoor transmission.
Malfunction Caused:
1 Insufficient power supply.
2 Faulty outdoor unit PCB (noise filter/main).
83
16.5.13 Outdoor High Pressure Protection (H98)
Malfunction Decision Conditions:
During operation of heating, when pressure 4.0 MPa and above is detected by outdoor high pressure sensor.
Malfunction Caused:
1 Faulty water pump.
2 Insufficient water flow rate in system.
3 Water leak in system.
4 2/3 way closed.
5 Clogged expansion valve or strainer.
6 Excessive refrigerant.
7 Faulty outdoor high pressure sensor.
8 Faulty outdoor unit PCB (main).
84
16.5.14 Indoor Freeze-up Protection (H99)
Malfunction Decision Conditions:
During anti-freezing control in cooling operation, when the indoor refrigerant liquid temperature < 0°C.
Malfunction Caused:
1 Faulty water pump.
2 Insufficient water flow rate in system.
3 Water leak in system.
4 2 way valve partially closed.
5 Clogged expansion valve or strainer.
6 Refrigerant shortage (refrigerant leakage).
7 Faulty indoor refrigerant liquid temperature sensor.
8 Faulty indoor unit PCB (main).
85
16.5.15 Outdoor High Pressure Switch Activate (F12)
Malfunction Decision Conditions:
During operation of cooling and heating, when pressure 4.5MPa and above is detected by outdoor high pressure
switch.
Malfunction Caused:
1 Dust accumulation on the outdoor unit heat exchanger.
2 Air short circuit at outdoor unit.
3 Faulty water pump.
4 Insufficient water flow rate in system.
5 Water leak in system.
6 2/3 way valve closed.
7 Clogged expansion valve or strainer.
8 Excessive refrigerant.
9 Faulty outdoor high pressure sensor and switch.
10 Faulty outdoor unit PCB.
Abnormality Judgment:
Continue 4 times in 20 minutes.
86
16.5.16 Compressor Rotation Failure (F14)
Malfunction Decision Conditions:
A compressor rotation failure is detected by checking the compressor running condition through the position
detection circuit.
Malfunction Caused:
1 Compressor terminal disconnect.
2 Faulty outdoor unit PCB (main).
3 Faulty compressor.
Abnormality Judgment:
Continue 4 times in 20 minutes.
87
16.5.17 Outdoor Fan Motor (DC Motor) Mechanism Locked (F15)
Malfunction Decision Conditions:
The rotation speed detected by the Hall IC of the fan motor during fan motor operation is used to determine
abnormal fan motor (feedback of rotation > 2550rpm or < 50rpm).
Malfunction Caused:
1 Operation stop due to short circuit inside the fan motor winding.
2 Operation stop due to breaking of wire inside the fan motor.
3 Operation stop due to breaking of fan motor lead wires.
4 Operation stop due to fan motor Hall IC malfunction.
5 Operation error due to faulty outdoor unit PCB.
Abnormality Judgment:
Continue 2 times in 30 minutes.
88
16.5.18 Input Over Current Detection (F16)
Malfunction Decision Conditions:
During operation of cooling and heating, when outdoor current above 27.9A is detected by the current
transformer (CT) in the outdoor unit PCB.
Malfunction Caused:
1 Excessive refrigerant.
2 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 3 times in 20 minutes.
89
16.5.19 Compressor Overheating (F20)
Malfunction Decision Conditions:
During operation of cooling and heating, when temperature above 112°C is detected by the compressor tank
temperature sensor.
Malfunction Caused:
1 Faulty compressor tank temperature sensor.
2 2/3 way valve closed.
3 Refrigerant shortage (refrigerant leakage).
4 Clogged expansion valve or strainer.
5 Faulty outdoor unit PCB (main).
6 Faulty compressor.
Abnormality Judgment:
Continue 4 times in 30 minutes.
90
16.5.20 IPM Overheating (F22)
Malfunction Decision Conditions:
During operation of cooling and heating, when temperature 95°C is detected by the outdoor IPM temperature
sensor.
Malfunction Caused:
1 Faulty outdoor unit fan motor.
2 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 3 times in 30 minutes.
91
16.5.21 Output Over Current Detection (F23)
Malfunction Decision Conditions:
During operation of cooling and heating, when outdoor DC current is above 40.1 ± 5.0A (for: UD07~09CE) OR
44.7 ± 5.0A (for: UD12~16CE) is detected by the IPM DC Peak sensing circuitry in the outdoor unit PCB (main).
Malfunction Caused:
1 Faulty outdoor unit PCB (main).
2 Faulty compressor.
Abnormality Judgment:
Continue for 7 times.
92
16.5.22 Refrigeration Cycle Abnormality (F24)
Malfunction Decision Conditions:
1 During operation of cooling and heating, compressor frequency > Frated.
2 During operation of cooling and heating, running current: 0.65A < I < 1.65A.
3 During operation of cooling, water inlet temperature - indoor refrigerant liquid temperature < 5°C.
4 During operation of heating, indoor refrigerant liquid temperature - water inlet temperature < 5°C.
Malfunction Caused:
1 Faulty water inlet or indoor refrigerant liquid temperature sensors.
2 2/3 way valve closed.
3 Refrigerant shortage (refrigerant leakage).
4 Clogged expansion valve or strainer.
5 Faulty outdoor unit PCB (main).
6 Poor compression of compressor.
Abnormality Judgment:
Continue 2 times in 20 minutes.
93
16.5.23 Four Way Valve Abnormality (F25)
Malfunction Decision Conditions:
1 During heating operation, when the indoor pipe temperature of thermostat ON indoor unit < 0°C.
2 During cooling operation, when the indoor pipe temperature of thermostat ON indoor unit > 45°C.
Malfunction Caused:
1 Faulty sensor.
2 Faulty connector connection.
3 Faulty outdoor unit PCB (noise filter/main).
4 Faulty four way valve.
Abnormality Judgment:
Continue 4 times in 30 minutes.
94
16.5.24 Outdoor High Pressure Switch Abnormal (F27)
Malfunction Decision Conditions:
During compressor stop, and outdoor high pressure switch is remain opened.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty switch.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 1 minute.
95
16.5.25 Outdoor Air Temperature Sensor Abnormality (F36)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature
sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
96
16.5.26 Indoor Water Inlet Temperature Sensor Abnormality (F37)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the indoor water inlet
temperature sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
97
16.5.27 Outdoor Discharge Pipe Temperature Sensor Abnormality (F40)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe
temperature sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
98
16.5.28 Power Factor Correction (PFC) Abnormality (F41)
Malfunction Decision Conditions:
During operation of cooling and heating, when the PFC protection circuitry in the outdoor unit PCB (main) senses
abnormal high DC voltage level.
Malfunction Caused:
1 Power supply surge.
2 Compressor windings not uniform.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue 4 times in 10 minutes.
99
16.5.29 Outdoor Pipe Temperature Sensor Abnormality (F42)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature
sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
100
16.5.30 Outdoor Defrost Temperature Sensor Abnormality (F43)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the outdoor defrost
temperature sensor are used to determine sensor error.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty outdoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
101
16.5.31 Indoor Water Outlet Temperature Sensor Abnormality (F45)
Malfunction Decision Conditions:
During startup and operation of cooling and heating, the temperatures detected by the indoor water outlet
temperature sensor are used to determine sensor errors.
Malfunction Caused:
1 Faulty connector connection.
2 Faulty sensor.
3 Faulty indoor unit PCB (main).
Abnormality Judgment:
Continue for 5 seconds.
102
16.5.32 Outdoor Current Transformer Open Circuit (F46)
Malfunction Decision Conditions:
A current transformer (CT) open circuit is detected by checking the compressor running frequency (≥ rated
frequency) and CT detected input current (< 0.65A) for continuously 20 seconds.
Malfunction Caused:
1 CT defective.
2 Faulty outdoor unit PCB.
3 Compressor defective (low compression).
Abnormality Judgment:
Continue 3 times in 20 seconds.
103
16.5.33 Cooling High Pressure Overload Protection (F95)
Malfunction Decision Conditions:
During operation of cooling, when pressure 4.0MPa and above is detected by outdoor high pressure sensor.
Malfunction Caused:
1 Dust accumulation in the outdoor unit heat exchanger.
2 Air short circuit at outdoor unit.
3 2 way valve closed.
4 Faulty outdoor unit fan motor.
5 Clogged expansion valve or strainer.
6 Excessive refrigerant.
7 Faulty outdoor high pressure sensor.
8 Faulty outdoor unit PCB (main).
104
17. Disassembly and Assembly Instructions
WARNING
High Voltage are generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding
with repair work. Failure to heed this caution may result in electric shocks.
WARNING
Be sure to switch off all the power supply before performing each of the below action.
17.1 To Remove The Cabinet Front Plate
17.2 To Remove The Cabinet Top Plate
105
17.3 To Remove The Cabinet Rear Plate
17.4 To Remove Pressure Gauge
17.5 To Remove RCCB
106
17.6 To Remove Transformer and Electronic Controller Board
17.7 To Remove Pressure Relief Valve
When reinstall the water pipe, use grease or water at the joining.
107
17.8 To Remove Flow Switch
When reinstall the water pipe, use grease or water at the joining.
17.9 To Remove Water Pump
When reinstall the water pipe, use grease or water at the joining.
17.10 To Remove Bottle Complete
When reinstall the water pipe, use grease or water at the joining.
108
18. Technical Data
18.1 Operation Characteristics
18.1.1 WH-MDF09C3E5
Heating Characteristics at Different Outdoor Air Temperature
Condition
Outdoor air temperature : 7°C (DBT), 6°C (WBT)
Indoor water inlet temperature : 30°C
Indoor water outlet temperature : 35°C
Piping length : 7m
109
18.1.2 WH-MDF12C6E5
Heating Characteristics at Different Outdoor Air Temperature
Condition
Outdoor air temperature : 7°C (DBT), 6°C (WBT)
Indoor water inlet temperature : 30°C
Indoor water outlet temperature : 35°C
Piping length : 7m
110
18.1.3 WH-MDF14C6E5
Heating Characteristics at Different Outdoor Air Temperature
Condition
Outdoor air temperature : 7°C (DBT), 6°C (WBT)
Indoor water inlet temperature : 30°C
Indoor water outlet temperature : 35°C
Piping length : 7m
111
18.1.4 WH-MDF16C6E5
Heating Characteristics at Different Outdoor Air Temperature
Condition
Outdoor air temperature : 7°C (DBT), 6°C (WBT)
Indoor water inlet temperature : 30°C
Indoor water outlet temperature : 35°C
Piping length : 7m
112
18.2 Heating Capacity Table
18.2.1 WH-MDF09C3E5
Water Out
30
Outdoor
Input
Capacity
Air
Power
-15
8650
3100
-7
9350
2950
2
9310
2390
7
9000
1580
25
9000
1090
35
Capacity
8300
9000
9000
9000
9000
40
Input
Power
3250
3200
2550
1900
1280
Capacity
7950
8850
9000
9000
8730
45
Input
Power
3450
3500
2820
2200
1480
Capacity
7600
8700
9000
9000
8460
50
Input
Power
3650
3800
3090
2500
1680
Capacity
7150
8300
8900
9000
8280
55
Input
Power
3750
3850
3530
2800
1860
Capacity
6700
7900
8800
9000
8100
Input
Power
3850
3900
3980
3100
2040
18.2.2 WH-MDF12C6E5
Water Out
30
Outdoor
Input
Capacity
Air
Power
-15
9300
3500
-7
10400
3410
2
11800
3140
7
12000
2140
25
12000
1420
35
Capacity
8900
10000
11400
12000
12000
40
Input
Power
3660
3700
3340
2570
1700
Capacity
8500
9600
11000
12000
11800
45
Input
Power
3830
3900
3570
3000
1980
Capacity
8100
9200
10600
12000
11700
50
Input
Power
3990
4100
3780
3430
2270
Capacity
7500
8700
9800
12000
11500
55
Input
Power
4090
4200
3980
3820
2530
Capacity
7000
8200
9100
12000
11400
Input
Power
4200
4310
4180
4200
2780
18.2.3 WH-MDF14C6E5
Water Out
30
Outdoor
Input
Capacity
Air
Power
-15
9900
3910
-7
11100
3730
2
12900
3510
7
14000
2600
25
14000
1750
35
Capacity
9500
10700
12400
14000
14000
40
Input
Power
4050
4000
3730
3110
2100
Capacity
9000
10200
11900
14000
14000
45
Input
Power
4190
4200
3950
3630
2450
Capacity
8600
9800
11400
14000
14000
50
Input
Power
4330
4400
4170
4140
2800
Capacity
7900
9100
10400
13600
14000
55
Input
Power
4450
4570
4290
4610
3050
Capacity
7300
8500
9500
13300
14000
Input
Power
4560
4740
4400
5080
3440
18.2.4 WH-MDF16C6E5
Water Out
30
Outdoor
Input
Capacity
Air
Power
-15
10600
4130
-7
11900
4070
2
13500
3780
7
16000
3250
25
16000
2350
35
Capacity
10300
11400
13000
16000
16000
40
Input
Power
4420
4300
4000
3780
2730
Capacity
10000
10800
12400
16000
16000
18.3 Hydraulic Pump Performance
113
45
Input
Power
4710
4500
4220
4310
3110
Capacity
9700
10300
11900
16000
16000
50
Input
Power
5000
4700
4440
4840
3490
Capacity
8800
9600
10800
15200
16000
55
Input
Power
4980
4850
4500
5150
3710
Capacity
7900
9000
9800
14500
15900
Input
Power
4950
4990
4550
5450
3930
19. Exploded View and Replacement Parts List
19.1 WH-MDF09C3E5 WH-MDF12C6E5 WH-MDF14C6E5 WH-MDF16C6E5
(Refrigerant System)
114
115
Note:
The above exploded view is for the purpose of parts disassembly and replacement.
The non-numbered parts are not kept as standard service parts.
116
< Model: Refrigerant System >
REF.
NO.
DESCRIPTION & NAME
QTY.
WHMDF09C3E5
WHMDF12C6E5
WHMDF14C6E5
WHMDF16C6E5
REMARKS
1
BASE PAN ASS’Y
1
CWD52K1251
←
←
←
2
COMPRESSOR
1
5JD420XAA22
←
←
←
3
ANTI-VIBRATION BUSHING
3
CWH50055
←
←
←
4
NUT FOR COMP. MOUNT.
3
CWH561049
←
←
←
4a
PACKING
3
CWB811017
←
←
←
5
CRANKCASE HEATER
1
CWA341053
←
←
←
6
CONDENSER COMPLETE
1
CWB32C3035
←
←
←
7
HIGH PRESSURE SENSOR
1
CWA50C2570
←
←
←
8
DISCHARGE MUFFLER
1
CWB121014
←
←
←
9
PRESSURE SWITCH
1
CWA101013
←
←
←
10
3-WAYS VALVE (GAS)
1
CWB011251
←
←
←
11
4-WAYS VALVE
1
CWB001046
←
←
←
12
3-WAYS VALVE (LIQUID)
1
CWB011292
←
←
←
13
STRAINER
2
CWB111032
←
←
←
20
SOUND PROOF MATERIAL – COMP
1
CWG302265
←
←
←
21
SOUND PROOF MATERIAL
1
CWG302266
←
←
←
22
SOUND-PROOF BOARD ASS’Y
1
CWH15K1019
←
←
←
23
V-COIL COMPLETE – 4-WAYS VALVE
1
CWA43C2169J
←
←
←
O
24
V-COIL COMPLETE – EXP. VALVE
1
CWA43C2385
←
←
←
O
25
SENSOR-OD TEMP./COIL
1
CWA50C2730
←
←
←
26
SENSOR-COMP.DISCHARGE
1
CWA50C2576
←
←
←
27
SENSOR-COMP. TOP
1
CWA50C2629
←
←
←
27a
SENSOR-COMP. DEF.
1
CWA50C2577
←
←
←
28
CABINET REAR PLATE
1
CWE02K1019A
←
←
←
29
CONTROL BOARD CASING
1
CWH10K1049
←
←
←
31
TERMINAL BOARD ASS’Y
1
CWA28K1213
←
←
←
36
ELECTRONIC CONTROLLER (CAPACITOR)
1
CWA746169
←
←
←
38
ELECTRONIC CONTROLLER (NOISE FILTER)
1
CWA745446
←
←
←
44
ELECTRONIC CONTROLLER (MAIN)
1
CWA73C4880R CWA73C4882R CWA73C4884R CWA73C4886R
46
REACTOR
2
G0C592J00004
←
←
←
48
TERMINAL COVER
1
CWH171039A
←
←
←
49
NUT FOR TERMINAL COVER
1
CWH7080300J
←
←
←
O
O
O
O
50
BRACKET FAN MOTOR
1
CWD54K1024
←
←
←
50a
SCREW-BRACKET FAN MOTOR
2
CWH551040J
←
←
←
53
FAN MOTOR UPPER
1
EHDS80AAC
←
←
←
O
O
54
FAN MOTOR BOTTOM
1
EHDS80BAC
←
←
←
54a
SCREW-FAN MOTOR
8
CWH551016J
←
←
←
55
PROPELLER FAN
2
CWH00K1006
←
←
←
56
NUT for PROPELLER FAN
2
CWH561051
←
←
←
57
CABINET FRONT PLATE
1
CWE061098A
←
←
←
58
DISCHARGE GRILLE
2
CWE201073
←
←
←
59
CABINET SIDE PLATE
1
CWE04K1023A
←
←
←
60
WIRE NET
1
CWD041103A
←
←
←
61
CABINET TOP PLATE COMPLETE
1
CWE031140A
←
←
←
62
ACCESSORY COMPLETE
1
CWH82C1535
←
←
←
66
CABINET FRONT PLATE
1
CWE061274A
←
←
←
67
HANDLE
2
CWE161014
←
←
←
68
TUBE ASS’Y (CAPILLARY TUBE)
1
CWT07K1541
←
←
←
70
EXPANSION VALVE
1
CWB051028
←
←
←
72
ELECTRO MAGNETIC SWITCH
1
K6C1AYY00003
←
←
←
117
73
RECEIVER
1
CWB141055
←
←
←
75
ACCESSORY CO. (DRAIN ELBOW)
1
CWG87C2030
←
←
←
Note:
All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488).
“O” marked parts are recommended to be kept in stock.
118
19.2 WH-MDF09C3E5 WH-MDF12C6E5 WH-MDF14C6E5 WH-MDF16C6E5
(Water System)
119
Note:
The above exploded view is for the purpose of parts disassembly and replacement.
The non-numbered parts are not kept as standard service parts.
120
< Model: Water System >
REF.
NO.
DESCRIPTION & NAME
QTY.
WHMDF09C3E5
WHMDF12C6E5
WHMDF14C6E5
WHMDF16C6E5
REMARKS
1
BASE PAN
1
CWD52K1242
←
←
←
2
HOT WATER COIL-COMPLETE
1
CWB90C1046
←
←
←
3
RECEIVER
1
CWB141039
←
←
←
4
FLOAT (FLOW SWITCH)
1
CWB601008
←
←
←
O
O
9
PUMP
1
CWB532096
←
←
←
16
BOTTLE COMPLETE
1
CWH90C0018
CWH90C0013
←
←
17
HEATER ASS’Y
1
CWA34K1014
CWA34K1020
←
←
←
18
SOUND PROOF MATERIAL
1
CWG302593
CWG302592
←
18a
SOUND PROOF MATERIAL
1
CWG302594
←
←
←
19
THERMOSTAT
2/3
CWA151065
←
←
←
20
ELECTRONIC CONTROLLER-MAIN
1
21
TERMINAL BOARD ASS’Y
1
CWA28K1200
←
←
←
25
TERMINAL BOARD ASS’Y
1
CWA28K1211
←
←
←
CWA73C4881R CWA73C4883R CWA73C4885R CWA73C4887R
O
O
O
O
26
TERMINAL BOARD ASS’Y
1
CWA28K1221
←
←
←
27
ELECTRO MAGNETIC SWITCH
1
K6C1AYY00004
←
←
←
28
TERMINAL BOARD ASS’Y
1
CWA28K1222
←
←
←
29
RESIDUAL CURRENT CIRCUIT BREAKER
2/3
CWA181005
←
←
←
O
30
TRANSFORMER-COMPLETE
1
CWA40C1075
←
←
←
O
31
SENSOR-COMPLETE
1
CWA50C2749
←
←
←
O
32
REMOTE CONTROL COMPLETE
1
CWA75C3687
←
←
←
O
33
PRESSURE GAUGE
1
CWB070001
←
←
←
O
34
PRESSURE RELIEF VALVE
1
CWB621011
←
←
←
O
39
OPERATING INSTRUCTION
1
CWF567560
←
←
←
40
INSTALLATION INSTRUCTION
1
CWF614517
←
←
←
42
TUBE CONNECTOR-COMPLETE
1
CWT29C1050
←
←
←
43
TUBE CONNECTOR-COMPLETE
1
CWT29C1055
←
←
←
44
CONTROL BOARD COVER
1
CWH131420A
←
←
←
45
HANDLE
2
CWE161014
←
←
←
46
CABINET SIDE PLATE ASS’Y
1
CWE04K1060A
←
←
←
47
CABINET FRONT PLATE
1
CWE061257A
←
←
←
48
CRANKCASE HEATER
1
CWA341071
←
←
←
O
Note:
All parts are supplied from PHAAM, Malaysia (Vendor Code: 00029488).
“O” marked parts are recommended to be kept in stock.
[PHAAM] Printed in Malaysia
FB0911-1
121