Zodiac ZHP-3216-TI User Manual download pdf (Page 6)

WATER INLET AND OUTLET CONNECTIONS

CONNECTIONS TO HEAT PUMP

Plumb the ZHP-3216-TI, ZHP-80-TI and ZHP-65-TI heat pump inlet and outlet with schedule 40, 1.5 inch PVC.

MINIMUM/MAXIMUM WATER FLOW RATES

Your heat pump is designed to operate successfully between flow rates of 20 to 70 gallons per minute (GPM). The

plumbing system must be designed to maintain at least 20 GPM flow through the heat pump. At flow rates less than 20

GPM, the heat pump will not operate correctly and may become damaged. At flow rates above 70 GPM, the unit will

operate less efficiently and may become damaged.

A bypass valve (Fig. A) must be installed in order to isolate the heat pump. We recommend installing a flow

meter between the bypass valve and the heat pump to determine the flow rate and properly adjust the position of the

bypass valve to the ideal range. A spring-check bypass valve is required when a pool pump of 2 HP or larger is used (for

bypass valve placement detail, see plumbing schematic below).

MODEL MINIMUM IDEAL MAXIMUM

ZHP-3216-TI 30 GPM 35 GPM 70 GPM

ZHP-80-TI 30 GPM 35 GPM 70 GPM

ZHP-65-TI 20 GPM 35 GPM 70 GPM

ZHP-3216-TI

ZHP-80-TI

ZHP-65-Ti

Top View

CAUTION

Failure to establish proper water flow rates may result in damage to the heat pump and

void the warranty. Many flow meters require a long distance of straight tubing on the inlet

side to offer an adequate measurement.

Water Inlet

Water Outlet

Front View

Fig.A Bypass valve

DO NOT OVERTIGHTEN CONNECTIONS

DO NOT APPLY PRESSURE ON

CONNECTIONS AND TUBING

WARNING

INLET

OUTLET

WINTERIZING HEAT EXCHANGER

GENERAL RECOMMANDATIONS

(CHECK OWNER’S MANUAL)

- TURN OFF THE UNIT

- SHUT OFF THE BREAKER ON THE HEAT PUMP

- UNCONNECT THE WATER INLET AND OUTLET

CONNECTIONS

- IF THE HEAT PUMP IS LEFT OUTSIDE DURING WINTER,

PROTECT IT WITH A WATER PROOF COVER

CAUTION

Zodiac heat pumps are designed to work at a normal operating pressure of 20 PSI (1.4

bars). Maximum pressure is 30 PSI (2 bars). Heat pump installation must be designed to

insure that the maximum operating pressure is not exceeded; otherwise the warranty will

be void.

Flow meter

Bypass valve

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Zodiac ZHP-3216-TI User Manual Page 6

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