Rheem Compact Heat Pump Pool Heaters Installation Manual download pdf (Page 8)

Fig. 3: Utility Connections

NOTE: Units are provided with 1/4” service ports, as

shown in Fig. 3 above. The upper port is for meas-

uring high pressure, and the lower port is for

measuring the low pressure.

CAUTION: Caps must be reinstalled after service

is complete.

Water Connections

1. Connect the heat pump pool heater in the return

water line between the filter and the pool/spa. See

the Plumbing Diagrams beginning on page 14.

2. Connect the filter outlet to the fitting marked

WATER IN at the bottom front of the unit.

3. Connect the fitting marked WATER OUT to the

return piping to the pool/spa. Unit inlet/outlet con-

nection fittings are 1-1/2 inch PVC unions.

Water connections from the unit to the main return

line can be PVC pipe or flexible pipe approved for

the purpose and, in either case, should be at least

equal in size to the main pool/spa circulation pip-

ing.

. In cold weather (freeze zone) areas, shutoff valves

(ball or gate type) must be installed at the unit inlet

and outlet to facilitate service and cold weather

drain-down.

5. Operate the pump and check the system for leaks.

AUTION: The heat pump pool heater inlet and

outlet connections are NOT interchangeable. They

ust be connected as instructed below.

NOTE: Refer to the National Electrical Code, Article

680, for general requirements for swimming pools

and equipment, and to Article 440 for special consid-

erations necessary for circuits supplying hermetic

refrigeration motor/compressors.

WARNING: Install a check valve and/or a Hartford

loop AFTER the heat pump pool heater and

BEFORE any chlorinating devices. Install any auto-

matic chemical feeders AFTER the heat pump pool

heater. Improper installation of any type of auto-

matic chemical feeders can result in serious

damage to, or premature failure of, the heat

pump pool heater and will void the heat pump

pool heater warranty.

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Rheem Compact Heat Pump Pool Heaters Installation Manual Page 8

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