Aquacal GBB, Installation Manual

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PLEASE NOTE -
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Temperature differences are based on pool water temperatures of 69° to 75° F. (20.5° to
23.8° C)
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For water temperatures outside this range, contact AquaCal
®
. See " Contacting
AquaCal AutoPilot, Inc. " on page 1.
1.4.g Maintaining Ability to Winterize
Do not glue the threaded portion of the unions. The unions are used to decouple the heat pump from the
plumbing system during hard freeze conditions.
NOTICE
Failure to heed the following may result in damage to equipment.
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Do not use glue on the threaded portion of the equipment’s unions. A glued-in-place union will prevent the heat
pump from being properly winterized.
1.4.h Adjusting Water Pressure Switch
Adjust the water pressure switch when heat pump attempts to operate without water flow.
Before attempting any adjustments confirm the following :
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The filter is clean.
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Filter pump is operating.
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The valves are set to direct the appropriate amount of water through the
heat pump.
See " Water Flow Rates " on page 11.
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" NO POOL/SPA WATER FLOW " is displayed (or displays
intermittently).
DANGER
Failure to heed the following will result in injury or death.
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Deactivate power while routing wiring to control board.
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Follow all National Electric Codes (NEC) and/or State and Local guidelines.
WARNING
Failure to heed the following may result in injury or death.
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Water Pressure Switch adjustment procedure to be performed by experienced service personnel only; procedure
must not be attempted by individuals lacking adequate electrical and mechanical experience.
NOTICE
Failure to heed the following may result in damage to equipment.
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If the heat pump continues to operate after a water pressure switch adjustment, deactivate equipment and perform
additional troubleshooting.
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