CSM 15-16 SEER SERIES

CSM 15-16 SEER SERIES

INSTALLATION INSTRUCTIONS

16 SEER

Split System Heat Pump & Air Conditioner

NOTE: Appearance of unit may vary.

RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION

WARNING

These instructions are intended as an aid to qualified licensed service personnel for proper installation, adjustment and operation of this unit. Read these instructions thoroughly before attempting installation or operation.

Failure to follow these instructions may result in improper installation, adjustment, service or maintenance possibly resulting in fire, electrical shock, property damage, personal injury or death.

DO NOT DESTROY THIS MANUAL

Please read carefully and keep in a safe place for future reference by a serviceman.

2

TABLE OF CONTENTS

1.0 SAFETY..................................................................................................................3

1.1 INSPECTION................. ...................................................................................4

1.2 LIMITATIONS....................................................................................................4

2.0 GENERAL..............................................................................................................4

3.0 UNIT INSTALLATION............................................................................................6

3.1 LOCATION.......................................................................................................6

3.2 GROUND INSTALLATION...............................................................................6

3.3 ROOF INSTALLATION.....................................................................................6

3.4 UNIT PLACEMENT..........................................................................................6

3.5 PRECAUTIONS DURING LINE INSTALLATION.............................................7

3.6 PRECAUTIONS DURING BRAZING OF LINES..............................................8

3.7 PRECAUTIONS DURING BRAZING SERVICE VALVE..................................9

3.8 UNIT MOUNTING...........................................................................................10

3.9 FACTORY-PREFERRED TIE-DOWN METHOD............................................11

3.10 REMOVING THE TOP PANEL AND MOTOR..............................................12

4.0 ELECTRICAL CONNECTIONS...........................................................................13

4.1 GENERAL INFORMATION & GROUNDING .................................................13

4.2 FIELD CONNECTIONS POWER WIRING ....................................................13

5.0 EVACUATION......................................................................................................14

6.0 INTERCONNECTING TUBING............................................................................14

6.1 VAPOR AND LIQUID LINES .........................................................................14

6.2 MAXIMUM LENGTH OF LINES ....................................................................14

6.3 VERTICAL SEPARATION .............................................................................14

7.0 SYSTEM OPERATION........................................................................................14

7.1 COMPRESSOR CRANKCASE HEATER (CCH)...........................................14

7.2 LINE SIZING..................................................................................................15

7.3 PROTECTION FUNCTION INTRODUCTION ..............................................16

7.4 DEFROST MODE INTRODUCTION.............................................................16

8.0 CHECKING REFRIGERANT CHARGE .............................................................17

8.1 CHARGING BY LIQUID PRESSURE............................................................17

8.2 CHARGING BY WEIGHT ..............................................................................17

8.3 FINAL LEAK TESTING ..................................................................................17

9.0 OWNER INSTRUCTIONS..... ..............................................................................17

10.0 WIRING DIAGRAM............................................................................................18

This document is customer property and is to remain with this unit.

These instructions do not cover all the different variations of systems nor does it provide for every possible contingency to be met in connection with installation.

All phases of this installation must comply with NATIONAL STATE AND LOCAL tor.

1.0 SAFETY

This is a safety alert symbol. When you see this symbol on labels or in manuals, be alert to the potential for personal injury.

This is an attention alert symbol. When you see this symbol on labels or in manuals, be alert to the potential for personal injury.

Understand and pay particular attention to the signal words DANGER, WARNING, or

CAUTION.

DANGER indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.

WARNING indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.

CAUTION indicates a potentially hazardous situation, which, if not avoided may result in minor or moderate injury. It is also used to alert against unsafe practices and hazards involving only property damage.

WARNING

Improper installation may create a condition where the operation of the product could cause personal injury or property damage.

Improper installation, adjustment, alteration, service or maintenance can cause injury or property damage. Refer to this manual for assistance or for additional information, consult a qualified contractor, installer or service agency.

CAUTION

This product must be installed in strict compliance with the installation instructions and any applicable local, state, and national codes including, but not limited to building, electrical, and mechanical codes.

WARNING

FIRE OR ELECTRICAL HAZARD

Failure to follow the safety warnings exactly could result in serious injury, death or property damage.

A fire or electrical hazard may result causing property damage, personal injury or loss of life.

3

4

1.1 INSPECTION

As soon as a unit is received, it should be inspected for possible damage during transit.

If damage is evident, the extent of the damage should be noted on the carrier's delivery receipt. A separate request for inspection by the carrier's agent should be made in writing. See Local distributor for more information.

Requirements For Installing/Servicing R410A Equipment

Gauge sets, hoses, refrigerant containers, and recovery system must be designed

to handle the POE or PVE type oils.

Manifold sets should be 800 PSIG high side and 250 PSIG low side with 550 PSIG

Iow side restart.

All hoses must have a 700 PSIG service pressure rating.

Leak detectors should be designed to detect refrigerant.

Recovery equipment (including refrigerant recovery containers) must be specifi-

cally designed to handle R410A.

Do not use an R-22 TXV.

It will be more convenient to open the Service valve after removing the Underside

Clpboard. see the Fig.1

Underside Clapboard

LARGE SERVICE VALVE

SMALL SERVICE VALVE

Fig.1 Underside Clapboard Location

1.2 LIMITATIONS

The unit should be installed in accordance with all National, State and Local Safety

Codes and the limitations listed below:

1.Limitations for the indoor unit, coil and appropriate accessories must also be observed.

2.The outdoor unit must not be installed with any duct work in the air stream. The outdoor fan is the propeller type and is not designed to operate against any additional external static pressure.

3.The maximum and minimum conditions for operation must be observed to assure a system that will give maximum performance with minimum service.

4.This unit is not designed to operate with a low ambient kit. Do not modify the control system to operate with any kind of Iow ambient kit.

5.The maximum allowable line length for this product is 150 feet(Just for Scroll compressor).

2.0 GENERAL

The outdoor units are designed to be connected to a matching indoor coil with sweat connect lines. Sweat connect units are factory charged with refrigerant for a matching indoor coil plus 25 feet of field supplied lines.

Matching indoor coils are available with a thermostatic expansion valve or an orifice for the most common usage. The orifice size and/or refrigerant charge may need to be changed for some indoor-outdoor unit combinations, elevation differences or total line lengths.

W

AIR DISCHARGE: ALLOW 60”

MINIMUM CLEARANCE.

SERVICE ACCESS

ALLOW 24” CLEARANCE

DETAIL A

POWER WIRING

SEE DETAIL A

KNOCKOUT

1-11/32” (34.5mm)

AIR INLETS

LOUVERED PANELS

ALLOW 18”

MINIMUM

CLEARANCE

NOTE: GRILL APPEARANCE

MAY VARY.

CONTROL WIRING

7/8” (22.2mm)

HOLE

1-3/32” (27.8mm)

SERVICE

FITTING

LIQUID LINE

CONNECTION

FIG.2 DIMENSIONS

VAPOR LINE

CONNECTION

SERVICE

FITTING

DIMENSIONAL DATA

MODEL SIZE

18

24

30

36

42

Dimensions (Inches)

Refrigerant Connection

Service Valve Size

"H" in. [mm] "W" in. [mm] "L" in. [mm] Liquid in.

Vapor in.

24-15/16[633] 28[710]

28[710] 3 /8 3 /4

24-15/16[633]

29-1/8[740] 29-1/8[740] 3 /8 3 /4

24-15/16[633]

29-1/8[740] 29-1/8[740] 3 /8 3 /4

33-3/16[843]

29-1/8[740] 29-1/8[740] 3 /8 7/8

33-3/16[843]

29-1/8[740] 29-1/8[740] 3 /8 7/8

5

6

3.0 UNIT INSTALLATION

3.1 LOCATION

Before starting the installation, select and check the suitability of the location for both the indoor and outdoor unit. Observe all limitations and clearance requirements. The outdoor unit must have sufficient clearance for air entrance to the condenser coil, for air discharge and for service access. See Fig.2

NOTE

For multiple unit installations, units must be spaced a minimum of 18 inches apart. (Coil face to coil face.)

If the unit is to be installed on a hot sun exposed roof or a black-topped ground area, the unit should be raised sufficiently above the roof or ground to avoid taking the accumulated layer of hot air into the outdoor unit.

Provide an adequate structural support.

3.2 GROUND INSTALLATION

The unit may be installed at ground level on a solid base that will not shift or settle, causing strain on the refrigerant lines and possible leaks. Maintain the clearances shown in

Fig.2 and install the unit in a level position.

Normal operating sound levels may be objectionable if the unit is placed directly under windows of certain rooms (bedrooms, study, etc.).

Top of unit discharge area must be unrestricted for at least 60 inches above the unit.

WARNING

The outdoor unit should not be installed in an area where mud or ice could cause personal injury.

Elevate the unit sufficiently to prevent any blockage of the air entrances by snow in areas where there will be snow accumulation. Check the local weather bureau for the expected snow accumulation in your area. Isolate the unit from rain gutters to avoid any possible wash out of the foundation.

3.3 ROOF INSTALLATION

When installing units on a roof, the structure must be capable of supporting the total weight of the unit, including a padded frame unit, rails, etc., which should be used to minimize the transmission of sound or vibration into the conditioned space.

3.4 UNIT PLACEMENT

1. Provide a base in the pre-determined location.

2. Remove the shipping carton and inspect for possible damage.

3. Compressor tie-down bolts should remain tightened.

4. Position the unit on the base provided.

CAUTION

This system uses R410A refrigerant which operates at higher pressure than

R-22. No other refrigerant may be used in this system. Gauge sets, hoses, refrigerant containers, and recovery system must be designed to handle

R410A. If you are unsure, consult the equipment manufacturer.

The outdoor unit must be connected to the indoor coil using field supplied refrigerant grade copper tubing that is internally clean and dry. Units should be installed only with the tubing sizes for approved system combinations. The charge given is applicable for total tubing lengths up to 25 feet.

NOTE

Using a larger than specified line size could result in oil return problems. Using too small a line will result in loss of capacity and other problems caused by insufficient refrigerant flow. Slope horizontal vapor lines at least 1" every 20 feet toward the outdoor unit to facilitate proper oil return.

3.5 PRECAUTIONS DURING LINE INSTALLATION

1. Install the lines with as few bends as possible. Care must be taken not to damage

the couplings or kink the tubing. Use clean hard drawn Copper tubing where no

appreciable amount of bending around obstruction is necessary, if soft copper must

be used, care must be taken to avoid sharp bends which may cause a restriction.

2. The lines should be installed so that they will not obstruct service access to the coil,

air handling system or filter.

3. Care must also be taken to isolate the refrigerant lines to minimize noise transmis-

sion from the equipment to the structure.

4. The vapor line and liquid line must be insulated with a minimum of 1/2" foam rubber

insulation (Armafiex or equivalent). Tape and suspend the refrigerant lines as shown.

DO NOT allow tube metal-to-metal contact. See Fig. 3.

5. Use PVC piping as a conduit for all underground installations as shown in Fig. 4.

Buried lines should be kept as short as possible to minimize the build up of liquid

refrigerant in the vapor line during long periods of shutdown.

6. Pack fiberglass insulation and a sealing material such as perma gum around refrig-

erant lines where they penetrate a wall to reduce vibration and to retain some flexi-

bility.

7

8

Sheet Metal Hanger

Insulated Vapor Line

Tape

Correct Incorrect

Insulated Liquid Line

Fig.3 Tubing Hanger

TO

POWER

SUPPLY

TO

INDOOR

BLOWER

24V contr ol signal

TO

COIL

Fig.4 Underground Installation

WEATHERPROOF

DISCONNECT

SWITCH

Seal opening(s) with permagumor equivalent

NOTE:All outdoor wiring must be weather proof

Fig.5 Typical Installation

3.6 PRECAUTIONS DURING BRAZING OF LINES

All outdoor unit and evaporator coil connections are copper-to-copper and should be brazed with a phosphorous-copper alloy material such as Silfos-5 or equivalent. DO

NOT use soft solder. The outdoor units have reusable service valves on both the liquid and vapor connections. The total system refrigerant charge is retained within the outdoor unit during shipping and installation. The reusable service valves are provided to evacuate and charge per this instruction.

Serious service problems can be avoided by taking adequate precautions to assure an internally clean and dry system.

CAUTION

Dry nitrogen should always be supplied through the tubing while it is being brazed, because the temperature required is high enough to cause oxidation of the copper unless an inert atmosphere is provide. The flow of dry nitrogen should continue until the joint has cooled. Always use a pressure regulator and safety valve to insure that only low pressure dry nitrogen is introduced into the tubing.Only a small flow is necessary to displace air and prevent oxidation.

3.7 PRECAUTIONS DURING BRAZING SERVICE VALVE

Precautions should be taken to prevent heat damage to service valve by wrapping a wet rag around it as shown in Fig. 6. Also, protect all painted surfaces, insulation, during brazing. After brazing cool joint with wet rag.

Valve can be opened by removing the plunger cap and fully inserting a hex wrench into the stem and backing out counter-clockwise until valve stem just touches the chamfered retaining wall.

Connect the refrigerant lines using the following procedure:

1. Remove the cap and Schrader core from both the liquid and vapor service valve

service ports at the outdoor unit. Connect Iow pressure nitrogen to the liquid line

service port. wet rag service valve

Fig.6 Heat Protection

2. Braze the liquid line to the liquid valve at the outdoor unit. Be sure to wrap the valve

body with a wet rag. Allow the nitrogen to continue flowing. Refer to the Tabular Data

Sheet for proper liquid line sizing.

3. Carefully remove the rubber plugs from the evaporator liquid and vapor connections

at the indoor coil.

4. Braze the liquid line to the evaporator liquid connection. Nitrogen should be flowing

through the evaporator coil.

5. Slide the plastic cap away from the vapor connection at the indoor coil. Braze the

vapor line to the evaporator vapor connection. Refer to the Table 1 for proper vapor

line sizing.

6. Protect the vapor valve with a wet rag and braze the vapor line connection to the

outdoor unit. The nitrogen flow should be exiting the system from the vapor service

port connection. After this connection has cooled, remove the nitrogen source from

the liquid fitting service port.

7. Replace the Schrader core in the liquid and vapor valves.

8. Leak test all refrigerant piping connections including the service port flare caps to be

sure they are leak tight. DO NOT OVER TIGHTEN (between 40 and 60 inch -lbs.

maximum).

9. Evacuate the vapor line, evaporator and the liquid line, to 500 microns or less.

9

10

Table 1: Refrigerant Connections and Recommended Liquid and Suction Tube

Diameters (ln.)

MODEL SIZE

42

LIQUID

Tube Diameter

3/8

3/8

3/8

3/8

3/8

SUCTION

Tube Diameter

3/4

3/4

3/4

7/8

7/8

10. Replace cap on service ports. Do not remove the flare caps from the service ports

except when necessary for servicing the system.

CAUTION

Do not connect manifold gauges unless trouble is suspected. Approximately 3/4 ounce of refrigerant will be lost each time a standard manifold gauge is connected.

11. Release the refrigerant charge into the system. Open both the liquid and vapor

valves by removing the plunger cap and with an hex wrench back out counter

-clockwise until valve stem just touches the chamfered retaining wall.

12. Replace plunger cap finger tight, then tighten an additional 1/12 turn (1/2 hex flat).

Cap must be replaced to prevent leaks.

WARNING

Never attempt to repair any brazed connections while the system is under pressure. Personal injury could result.

See "System Charge" section for checking and recording system charge.

3.8 UNIT MOUNTING

If elevating the heat pump, either on a flat roof or on a slab, observe the following guidelines.

base pan provided elevates the heat pump 2” above the base pad.

2 . If elevating a unit on a flat roof , use 4”× 4”(or equivalent) stringers positioned to distribute unit weight evenly and prevent noise and vibration

NOTE:Do not block drain openings shown in fig.7.

3. If unit must be elevated because of anticipated snow fall, secure unit and elevating stand such that unit and/or stand will not tip over or fall off.

NOTE: To tie down unit, see 3.9.

BASE PAN (BOTTOM VIEW) DO NOT

OBSTRUCT DRAIN HOLES

(SHADED)

BASE PAD

(CONCRETE OR

OTHER SUITABLE

MATERIAL)

ELEVATION ABOVE ANTICIPATED

SNOW IS NECESSARY

Fig.7 RECOMMENDED ELEVATED INSTALLATION

3.9 FACTORY-PREFERRED TIE-DOWN METHOD

Step 1: Prior to installing clear pad of debris.

IMPORTANT

Then cement pad must be made of HVAC-approved materials and must be the

proper thickness to accommodate fasteners.

Step 2: Center and level unit onto pad.

Step 3: Using L-shaped bracket to locate holes on concrete and drill pilot holes which is

at least 1/4” deeper than fastener being used.

IMPORTANT

Self drilling screws to base pan should not exceed 3/8” long to avoid damaging

coil.

Step 4: Using conventional practices to install brackets, tighten concrete fasteners and

self-tapping screws (See Fig.8).

NOTE: 1. One bracket for each side. For extra stability, 2 brackets for each side.

2. Do not over-tighten the concrete fastener to avoid weakening the concrete.

IMPORTANT NOTE:

These instructions are intended to provide a method to tie-down system to cement slab as a securing procedure for high wind areas. It is recommended to check Local Codes for tie-down methods and protocols.

11

12

The dimension see FIG.2

SEE DETAIL B

Brackets:

2” width, 1/16” thickness, height as required.

Available from distributor or in market place.

#7 X 3/8” Self Tapping Screws

(Don’t Exceed 3/8” long)

DETAIL B

1/4” Χ 1-1/2” Hex Washer Head Concrete Screws

(3/16” Pilot Hole Needed. Pilot Hole Should Be1/4” Deeper

Than The Fastener Embedment)

3.10 REMOVING THE TOP PANEL AND MOTOR

1/2” bolt

NOTE:

Damage will occur to condenser unit if you remove fan bolts prior to cover removal.

5/16” bolts

Fig. 9 COVER AND FAN

When motor requires changing follow the steps below:

Step 1: Go into electrical panel, disconnect motor power lines.

IMPORTANT NOTE

Disconnect main power to unit. Severe burns and electrical shock will occur if

you do not disconnect main power.

Step 2: Remove cover (be careful of motor wires)

Step 3: Be sure to place fan cover unit on the ground as indicated in Fig. 9

IMPROTANT NOTE

Do not place or lean fan blades on ground or against surface.

Step 4: Remove fan motor by removing 5/16” bolts from cover.

Step 5: Remove fan blade from motor by removing 1/2” bolt and place fan on the ground.

Step 6: Reverse removal process to reinstall the fan and motor.

IMPROTANT NOTE

When connecting motor wires be sure to check motor direction.

4.0 ELECTRICAL CONNECTIONS

4.1 GENERAL INFORMATION & GROUNDING

Check the electrical supply to be sure that it meets the values specified on the unit nameplate and wiring label.

Power wiring, control (Iow voltage) wiring, disconnect switches and over current protection must be supplied by the installer. Wire size should be sized per req-uire ments.

CAUTION

All field wiring must USE COPPER CONDUCTORS ONLY and be in accordance with Local, National Fire, Safety & Electrical Codes. This unit must be grounded with a separate ground wire in accordance with the above codes.

The complete connection diagram and schematic wiring label is located on the inside surface of the unit service access panel and this instruction.

4.2 FIELD CONNECTIONS POWER WIRING

1. Install the proper size weatherproof disconnect switch outdoors and within sight of

the unit.

2. Remove the screws at the side of the corner panel. Slide corner panel down and

remove from unit. See Fig. 10.

3. Run power wiring from the disconnect switch to the unit.

4. Route wires from disconnect through power wiring opening provided and into the

unit control box.

CORNER

PANEL

POWER

WIRING CONTROL

WIRING

Fig.10 Typical Field Wiring

5. Install the proper size time-delay fuses or circuit breaker, and make the power

supply connections.

6. Energize the crankcase heater if equipped to save time by preheating the compres-

sor oil while the remaining installation is completed.

NOTE: When changing the motor, remove top cover first.

13

14

5.0 EVACUATION

It will be necessary to evacuate the system to 500 microns or less. If a leak is suspected, leak test with dry nitrogen to locate the leak. Repair the leak and test again.

To verify that the system has no leaks, simply close the valve to the vacuum pump suction to isolate the pump and hold the system under vacuum. Watch the micron gauge for a few minutes. If the micron gauge indicates a steady and continuous rise, it's an indication of a leak. If the gauge shows a rise, then levels off after a few minutes and remains fairly constant, its an indication that the system is leak free but still contains moisture and may require further evacuation if the reading is above 500 microns.

6 .0 INTERCONNECTING TUBING

6 .1 VAPOR AND LIQUID LINES

Keep all lines sealed until connection is made.

Make connections at the indoor coil first.

Refer to Li ne Size Information in Ta bles 2 and 3 for correct size and multipliers to be used to determine capacity for various vapor line diameters and lengths of run. The losses due to the lines being exposed to outdoor conditions are not included.

The factory refrigerant charge in the o utdoor unit is s ufficient for 25 feet of interc onnecting lines. For diff erent lengths, adjust the charge as indicated below.

1/4” ± .3 oz. per foot

5/16” ± .4 oz. per foot

3/8” ± .6 oz . per foot

1/2” ± 1.2 oz . per foot

6 .2 M AXIMUM LENGTH OF LINES

T h e maximum length of interconnecting line is 150 feet.

Always use the shortest length possible with a minimu m number of bends. Additional compressor oil is not required for any length up to 150 feet.

NOTE: Excessively long refrigerant lines cause loss of equipment capacity.

6 .3 V ERTICAL SEPARATION

Keep the vertical separation to a minimum. Use the following g installing the unit: uidelines when

1. DO NOT exceed the vertical separations as indicated on Table 3.

2. It is recommended to use the smallest liquid line size permitted to minimize sys - t em charge which will maximize compressor reliability.

3. Table 3 may be used for sizing horizontal runs.

7.0 SYSTEM OPERATION

7.1 COMPRESSOR CRANKCASE HEATER (CCH HEAT PUMP ONLY )

Refrigerant migration during the off cycle can result in a noisy start up. Add a crank case heater to minimize refrigeration migration, and to help eliminate any start up noise or bearing “wash out”.

All heaters are located on the lower half of the compressor shell. Its purpose is to drive refrigerant from the compressor shell during long off cycles, thus preventing damage to the compressor during start-up.

At initial start-up or after extended shutdown periods, make sure the heater is energized for at least 12 hours before the compressor is started. (Disconnect switch on and wall thermostat off.)

-

7.2 LINE SIZING

TABLE 2: SUCTION LINE LENGTH/SIZE VS CAPACITY MULTIPLIER(R410A)

System Capacity

Suction Line Connection Size

Suction Line Run - Feet

25'

50'

100'

150'

1 1/2 Ton 2 Ton 2 1/2 Ton 3 Ton 3 1/2 Ton

3/4" I.D. 3/4" I.D. 3/4" I.D. 7/8" I.D. 7/8" I.D.

5/8 Opt. 5/8 Opt. 5/8 Opt. 3/4 Opt. 3/4 Opt.

Optional

3/4* Std. 3/4* Std. 3/4* Std. 7/8* Std. 7/8* Std.

1.00

Standard 1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

1.00

Optional 0.97

Standard 0.98

Optional 0.94

0.97

0.98

0.94

0.97

0.98

0.94

0.98

0.99

0.96

0.98

0.98

0.95

Standard 0.95

Optional 0.90

Standard 0.92

0.95

0.90

0.92

0.96

0.90

0.93

0.97

0.94

0.95

0.97

0.91

0.96

NOTES:

* Standard size

Using suction line larger than shown in chart will result in poor oil return and is not recommended.

TABLE 3 :LIQUID LINE SIZE (R-410A)

System

Capacity

1 1/2 Ton

2 Ton

2 1/2 Ton

3 Ton

3 1/2 Ton

Line Size

Connection Size

(Inch I.D.)

Compressor

Type

Line Size

Connection And

Line Size

(Inch I.D.)

3/8"

3/8"

3/8"

3/8"

3/8"

Scroll

Scroll

Scroll

Scroll

Scroll

1/4

5/16

3/8*

1/4

5/16

3/8*

1/4

5/16

3/8*

5/16

3/8*

5/16

3/8*

25

25

25

25

25

25

25

25

25

25

25

23

25

25

Liquid Line Size

Outdoor unit above or below indoor coil

N/A

36

50

N/A

49

50

50

50

23

50

Total Equivalent Length - Feet

50 75 100 125

Maximum Vertical Separation - Feet

40

50

50

25

62

75

9

58

72

N/A

53

70

N/A

29

72

N/A

38

68

37

68

4

43

N/A

23

70

N/A

27

65

22

63

N/A

36

7

58

N/A

30

N/A

16

68

N/A

17

62

NOTES:

* Standard line size

N/A Application not recommended.

150

N/A

6

58

N/A

53

N/A

24

N/A

49

68

N/A

9

65

15

16

7.3 PROTECTION FUNCTION INTRODUCTION

(Heat pump only

Sensor T3 (condenser pipe temperature) and T4 (outdoor ambient temperature)

When open-circuit, compressor, outdoor fan motor and reverse valve will be OFF.

When T4 < 5 °F, compressor will stop.If the electrical heater kit is installed in the indoor unit, the outdoor unit would provide a signal to drive up the heater.

When T4 > 10.4 °F, compressor will restart

Discharge temperature protection

When discharge temp. > 275 °F, compressor will stop.

When discharge temp. < 194 °F, compressor will restart.

High perssure protection

When high pressure > 638 PSIG, compressor and outdoor fan motor will stop.

When high pressure < 464 PSIG, compressor and outdoor fan motor will restart

(3 minutes delay necessary).

Low pressure protection

Low pressure < 21 PSIG, compressor and outdoor fan motor will stop.

Low pressure > 44 PSIG, compressor and outdoor fan motor will restart

(3 minutes delay necessary).

In stand-by status, the compressor will not start in low pressure protection.

Within 30 mins, if 4 protection cycles occurs, system will restore after power cut-down.

7.4 DEFROST MODE INTRODUCTION

Start-up conditions of defrost mode:

When JUMP switch is set to “1”(See in Fig 11), the mode will start up in either of the two following conditions:

1. Compressor operating, when T4 is > 28.4 °F and T3 is < 32 °F last for 40 minutes;

2. Compressor operating, when T4 is < 28.4 °F and T3 is < 32 °F last for 50 minutes.

When JUMP switch is set to “0”:

Compressor operating, when T3 is < 32 °F last for 30 minutes.

Shut-down conditions of defrost mode:

The mode will shut down in either of the two following conditions:

1. The defrosted time lasting for 10 minutes;

2. T3 is

≥ 77 °F.

JUMP Switch

Fig.11 JUMP Switch Location in the PCB Board

)

8.0 CHECKING REFRIGERANT CHARGE

Charge for all systems should be checked against the Charging Chart inside the access corner panel.

IMPORTANT:Do not operate the compressor without charge in system. Additio n of

R - 410A will raise pressures (vapor, liquid and discharge).

If adding R - 410A raises both vapor pressure and temperature, the unit is over c harged.

IMPORTANT: Use industry - approved charging methods to ensure proper system charge.

-

8 .1 CHARGING BY LI Q UID PRESSURE

The liquid pressure method is used for charging systems in the cooling and heating mode. The service port on the liquid (small valve) and suction (large valve) is used for this purpose.

Verify th at the outdoor unit is running and the indoor air mover is delivering the maximum airflow for this system size. Read and record the outdoor ambient tem - p erature. Read and record the liquid and suction pressures at the ports on the liquid and suction valves.

If refrigerant lines are sized using the n ameplate charge, the correct liquid pressure is found at the intersection of the suction pressure and the outdoor ambient.

1. Remove refrigerant charge if the liquid pressure is above the chart value.

2. Add refrigerant charge if the liquid pressure is below the chart value.

8 .2 CHARGING BY WEIGHT

For a new installation, evacuation of interconnecting tubing and indoor coil is adeq uate; otherwise, evacuate the entire system. Note that charge value includes charge required for 25 ft. of standard size interconnecti ng liquid line. Calculate actua l charge required with installed liquid line size and length, please see 6.1 of table of contents.

With an accurate scale (+/ - 1 oz.) or volumetric char ging device, adjust charge diff erence between that shown on the unit data plate and that calculated for the new system Installation. if the entire system has been evacua ted, add the total calculated charge.

8.3 FINAL LEAK TESTING

After the unit has been properly evacuated and charged, a halogen leak detector should be used to detect leaks in the system. All piping within the condensing unit, evaporator, and interconnec ting tubing should be check ed for leaks. If a leak is detected, the refrigerant should be recovered before repairing the leak. The Clean Air

Act prohibits releasing refrigerant into the atmosphere .

9.0 OWNER INSTRUCTIONS

Assist owner with processing Warranty cards and/or online registration. Review Owners

Guide and provide a copy to the ower and guidance on proper operation and main- teance. Instruct the owner or the operator how to start, stop and adjust temperature setting. The installer should instruct the owner on proper operation and maintenance of all other system components.

17

18

9.1 MAINTENANCE

circuit. Clean as often as necessary to keep the unit clean. Use a brush, vacuum

cleaner attachment, or other suitable means.

2. The outdoor fan motor is permanently lubricated and does not require periodic oiling.

3.

If the coil needs to be cleaned, it should be washed with Calgon Coilclean (mix one

part Coilclean to seven parts water). Allow solution to remain on coil for 30 minutes

before rinsing with clean water. Solution should not be permitted to come in contact

with painted surfaces.

4. Refer to the furnace or air handler instructions for filter and blower motor maintenance.

5. The indoor coil and drain pan should be inspected and cleaned regularly to assure

proper drainage.

CAUTION

It is unlawful to knowingly vent, release or discharge refrigerant into the open air during repair, service, maintenance or the final disposal of this unit. When the system is functioning properly and the owner has been fully instructed, secure the owner’s approval.

10.0 WIRING DIAGRAM

CAUTION

These units must be wired and installed in accordance with all National and

Local Safety Codes.

CC COMPRESSORCONTACTOR

COMP COMPRESSOR

RC1

RC2

RUN CAPACITOR1

RUN CAPACITOR2

LINEVO LTAGE

FACTORYSTANDARD

FIELDINSTALLED

FACTORY OPTIONAL

LOW VOLTAGE

FACTORYSTANDARD

FIELDINSTALLED

FACTORYOPTIONAL

USECOPPERCONDUCTORSONLY

WARNING:

CABINETMUSTBEPERMANMENTLY GROUNDE D

ANDALLWIRINGTOCONFORMTO I.E.C, N.E.C,

C.E.C, C.L.C, ANDLOCALCODESA S APPLICABLE

REPLACEMENTWIREMUSTBETHESAMEGAUG

E

AND INSULATION TYPE ASORIGINALWIRE.

L1

T1

A1

CC

A2

RC1

Terminal Block

L2 L1

BLACK

YELLOW

GND

L1

L2

C

Y

ORANGE

Fig.12 Outdoor Unit Wiring Diagram for A/C Systems(208/230V 1P 60Hz).

THERMOSTAT

C

R

Y

G

G

R

C

INDOOR UNIT

Y

C

OUTDOOR UNIT

Fig.13 Control Wiring for A/C Systems.

Suggestion: When choosing a thermostat, choose KJR-25B or a non-programmable

electric thermostat series . Please refer to thermostat electrical manual for wiring

schematic.

CC COMPRESSORCONTACTOR

COMP COMPRESSOR

DFC

T4

T3

DEFROST CONTROL

AMBIENT TEMPERATURE

PIPE TEMPERATURE

HPC HIGHT PRESSURECUT-OUTCONTROL

L PC LOW PRESSURECUT-OUTCONTROL

OFM OUTDOOR FAN MOTOR

RC1 RUN CAPACITOR1

RC2 RUN CAPACITOR2

RV REVER SING VALVE

GND GROUNDCHASSIS

HGS HOT GASSENSOR

LINEVO LTAGE

FACTORYSTANDARD

FIELDINSTALLED

FACTORY OPTIONAL

LOW VOLTAGE

FACTORYSTANDARD

FIELDINSTALLED

FACTORYOPTIONAL

USECOPPERCONDUCTORSONLY

WARNIN G :

CABINETMUSTBEPERMANMENTLY

GROUNDEDANDALLWIRINGTOCONFORMTO

I.E.C, N.E.C, C.E.C, C.L.C, ANDLOCALCODESA S

APPLICABLE REPLACEMENTWIREMUSTBETHESAM E

GAUGEAND INSULATION TYPE ASORIGINALWIRE.

OFM

21

22

T1

CCH

L1

A1

CC

A2

YELLOW

ORANGE

YELLOW

HPC

HGS

LPC

L2

L1

CN20

C

R

FAN

T4

T3

DFC

C

Y

B

CN15

C

RV

D

RED

BLACK

YELLOW

BLUE

PURPLE

RV

Terminal block

Fig.14 Outdoor Unit Wiring Diagram for H/P Systems(208/230V 1P 60Hz).

GND

L1

L2

R

C

Y

B

W2

19

20

R

Y

G

W2

B

C

THERMOSTAT

G

R C w1

R C Y

B

D

INDOOR UNIT OUTDOOR UNIT

Fig.15 Control Wiring for H/P Systems.

Suggestion: When choosing a thermostat, choose KJR-25B or a non-programmable electric

thermostat series . Broken lines means H/P system with electric heating. Please refer to

thermostat electrical manual for wiring schematic.

TABLE 4: Electrical Data:

Model

18AC

24AC

30AC

36AC

42AC

Min. Circuit Ampacity(A) Maximum Circuit Protector(A)

12.3

20

17.9

30

18.7

21.9

23.4

30

35

40

18HP

24HP

30HP

36HP

42HP

12.3

17.9

18.7

21.9

23.4

20

30

30

35

40

NOTES: AC:Air Conditioner; HP

:Heat Pump

7909 N.W. 54th Street,

Miami, FL 33166 USA

Phone: +1 (305) 593-8358

Fax: + 1 (305) 593 8212 e-mail: [email protected] www.klimaire.com

Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement