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International comfort products C2A3 Series, Руководство по установке

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INSTALLATION INSTRUCTIONS

R-22 Split System Air Conditioner

10

421 01 5001 00

Figure 9

Typical Thermostat Connections

24 VAC HOT

24 VAC COM

R

C

G

W/W1

Y/Y2

R

C

C

THERMOSTAT

FURNACE

Y

G

W

HEAT STAGE 1

COOL STAGE 1

INDOOR FAN

AIR CONDITIONER

24 VAC HOT

24 VAC COM

R

C

G

W/W1

Y/Y2

R

C

C

THERMOSTAT

FAN COIL

Y

G

W2

HEAT STAGE 1

COOL STAGE 1

INDOOR FAN

AIR CONDITIONER

24 VAC HOT

24 VAC COM

R

C

G

W/W1

Y/Y2

R

C

THERMOSTAT

FAN COIL

Y

G

W2

HEAT STAGE 1

COOL STAGE 1

INDOOR FAN

AC with Red wire connected
to power Comfort Alert

R

C

Y

Содержание C2A3 Series

Страница 1: ...in the following manner The signal word CAUTION is used throughout this manual in the following manner Signal Words on Product Labeling Signal words are used in combination with colors and or pictures on product labels WARNING Safety Labeling and Signal Words CAUTION WARNING TABLE OF CONTENTS Inspect New Unit 2 Safety Considerations 2 Location 2 Clearances 2 3 Unit Support 4 Refrigeration System 5...

Страница 2: ...ough so that water runoff will not enter the unit Locate unit away from areas where heat lint or exhaust fumes will be discharged onto unit as from dryer vents Locate unit away from recessed or confined areas where recirculation of discharge air may occur refer to CLEARANCES section of this document Roof top installation is acceptable providing the roof will support the unit and provisions are mad...

Страница 3: ...tem Air Conditioner 421 01 5001 00 3 Figure 1 Clearances various examples Wall 6 24 Service Wall Wall Wall 6 6 Post Wall Wall 18 18 18 18 6 6 6 18 18 18 18 24 Service 24 Service 24 Service 24 Service 24 Service 24 Service 4 4 wide fence 18 18 ...

Страница 4: ...Place the unit over one or more load bearing walls If there are several units mount them on platforms that are self supporting and span several load bearing walls These suggestions are to minimize noise and vibration transmission through the structure If the structure is a home or apartment avoid locating the unit over bedrooms or study NOTE When unit is to be installed on a bonded guaranteed roof...

Страница 5: ...plications Guideline manual for instructions When the outdoor unit is higher than the indoor coil the vertical separation must not exceed 100 feet When the outdoor unit is lower than the indoor coil the vertical separation must not exceed 50 feet If it is necessary to add refrigerant line in the field use dehydrated or dry sealed deoxidized copper refrigeration tubing Do not use copper water pipe ...

Страница 6: ... set underground Refrigerant may migrate to cooler buried section during extended periods of unit shut down caus ing refrigerant slugging and possible compressor damage at start up If ANY section of the line set is buried under ground provide a minimum 6 vertical rise at the service valve D OUTDOOR UNIT HIGHER THAN INDOOR UNIT Proper oil return to the compressor should be maintained with suction g...

Страница 7: ...ed with a factory refrigerant charge The liquid line and suction line service valves have been closed after final testing at the factory Do not disturb these valves until the line set and indoor coil have been evacuated and leak checked or the charge in the unit may be lost NOTE Do not use any portion of the factory charge for purging or leak testing The factory charge is for filling the system on...

Страница 8: ...EAK VACUUM WITH DRY NITROGEN EVACUATE WAIT I OPENING SERVICE VALVES Outdoor units are shipped with a refrigerant charge sealed in the unit Opening the service valves releases this charge into the system NOTE Open the Suction service valve first If the Liquid service valve is opened first oil from the compressor may be drawn into the indoor coil TXV restricting refrigerant flow and affecting operat...

Страница 9: ... Voltage connections with raintight conduit and fittings Most codes require a disconnect switch outdoors within sight of the unit Consult local codes for special requirements Route electrical supply Line Voltage wiring through knockout hole in bottom of Control Box Connect wires to Contactor and Ground Lug according to Wiring Diagram on unit Also refer to Figure 8 Route thermostat wiring through r...

Страница 10: ...THERMOSTAT FURNACE Y G W HEAT STAGE 1 COOL STAGE 1 INDOOR FAN AIR CONDITIONER 24 VAC HOT 24 VAC COM R C G W W1 Y Y2 R C C THERMOSTAT FAN COIL Y G W2 HEAT STAGE 1 COOL STAGE 1 INDOOR FAN AIR CONDITIONER 24 VAC HOT 24 VAC COM R C G W W1 Y Y2 R C THERMOSTAT FAN COIL Y G W2 HEAT STAGE 1 COOL STAGE 1 INDOOR FAN AC with Red wire connected to power Comfort Alert R C Y ...

Страница 11: ...default to high speed fan for servicing Reconnect wire after servicing 2 Measure liquid service valve pressure by attaching an accurate gauge to service port 3 Measure liquid line temperature by attaching an accurate thermistor type sensor or electronic thermometer to liquid line near outdoor coil 4 Refer to unit rating plate for required subcooling temperature 5 Refer to Figure 10 Find the requir...

Страница 12: ...hout the RED R low voltage lead wire connected The Comfort Alert device operates by monitoring the compressor power leads and the thermostat demand signal Y terminal It draws constant 24 VAC power at the R and C terminals Figure 11 Comfort Alertt Diagnostics some models R Y C 24 VAC Common Thermostat Demand 24 VAC Hot Compressor Wires Pass Through Holes 3 R S C Power LED Alert LED Trip LED MAINTEN...

Страница 13: ... switch present go to Flash Code 1 information Yellow ALERT Flash Code 4 Locked Rotor 1 Run capacitor has failed 2 Low line voltage contact utility if voltage at disconnect is low 3 Excessive liquid refrigerant in compressor 4 Compressor bearings are seized Yellow ALERT Flash Code 5 Open Circuit 1 Outdoor unit power disconnect is open 2 Compressor circuit breaker or fuse s is open 3 Compressor con...

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