Amana RCC Instruction Manual download pdf (Page 7)

correct wire gauge and necessary length of run for proper

wiring.

1. Route the power supply and ground wires through the

high voltage entrance in the unit. Connect the power

supply wires to the contactor. Connect the ground wire

to the ground lug.

2. Route the low voltage wiring through the low voltage

entrance in the unit. Connect the low voltage wires to

the terminal strip.

3. If an Amana approved room thermostat is not already

present, install one at a suitable indoor location. Con-

sult the instructions packaged with the thermostat for

mounting and location instructions. For field-supplied

low voltage wiring and connections, see the last section

of this manual.

4. Check all factory wiring connections to ensure none

were loosened during shipping and handling.

A fan relay and/or a 40VA transformer may have to be

added to prepare some indoor furnaces for cooling opera-

tion. For proper cooling performance, the indoor equip-

ment and ductwork must be adequate for moving about 400

CFM of indoor air for every ton of cooling capacity to be

installed. If they are not, modify the ductwork or indoor

equipment accordingly.

IMPORTANT: Hard start components are required when

single-phase reciprocating compressors are used with indoor

coils which have thermal expansion valves. Some units

have hard start components factory installed. See the

“Specification Sheet” for hard start component requirements.

5. Check all factory wiring connections to ensure none

were loosened during shipping and handling.

OFF

HEAT

AUTO

COOL

AUTO

Fan

Relay

FAN

SW.

BLOWER

MOTOR

ROOM THERMOSTAT

GAS VALVE

40 VA

TRANS.

Figure 4

System Startup

IMPORTANT!

During all installation and service work,

follow all regulations of the Environmental

Protection Agency (EPA). This system uses

refrigerant R-22. R-22 is an HCFC

(HydroChloro-FluoroCarbon). It is a

violation of EPA regulations to discharge

HCFC into the atmosphere and doing so

may result in fines or other penalties.

After completing system piping, leak testing, and electrical

connections, use an male hex head wrench to open the

suction and liquid valves on the unit.

These valves do not backseat. OPEN EACH VALVE ONLY

UNTIL IT TOUCHES THE RETAINER. TO AVOID LOSS

OF REFRIGERANT, DO NOT APPLY PRESSURE TO

THE RETAINER.

The outdoor unit is factory-charged with enough R-22 for

the matching indoor blower coil or matching A-coil plus 25

feet of 3/8” liquid line. For liquid line lengths greater than 25

feet, add 0.55 oz. of R-22 per additional foot up to 50 feet.

For line sets over 50 feet consult an Amana distributor. For

liquid line lengths less than 25 feet, subtract 0.55 oz. of R-

22 per deviating foot.

CAUTION

Using refrigerant that does not meet ARI

Standard 700 may cause compressor dam-

age and void the warranty.

IMPORTANT: If adding additional refrigerant to a system,

add only refrigerant vapor (not liquid) through the suction

valve (low side) on the outdoor unit. Any other practice may

cause compressor damage.

FINAL CHARGE ADJUSTMENT

Matching System

This final charge adjustment procedure is for the matched

combination listed on the specification sheet.

If the outdoor temperature is 60°F or higher, set the room

thermostat to COOL, fan switch to AUTO, and set the

temperature control well below room temperature.

If the outdoor temperature is below 60°F and you are

installing a matching system, set the room thermostat to

HEAT, fan switch to AUTO, and set the temperature control

well above room temperature.

Turn the electrical power ON, and let the system run for

several minutes. It will take some time for the refrigerant

pressures to stabilize.

Compare the operating pressures and outdoor unit amp

draw to the numbers listed in the outdoor unit “Specification

Sheet”. If pressures and amp draw are too low, add charge.

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Amana RCC Instruction Manual Page 7

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