Aquacal 100 Water Flow Pressure Switch Adjustment...continued, P-3,TecMark Style Switch

Controls Configuration & Adjustments...

Water Flow (Pressure) Switch Adjustment...continued:

To Complete the Adjustment Procedure– Either Brand Switch:

1.With electrical power remaining ON to the heater and heater operating, shut off the power to the circulating pump. If the switch has been correctly adjusted, when the water pump stops, the heater will shut off and the “FLO” code will display.

CAUTION: If the heater continues to operate with water pump off, readjust water pressure switch to ensure heater will not run without water flow.

2.Reinstall heater front cover.

P-2, Len Gordon Style Switch

P-1, WPS Location

P-3, TecMark Style Switch

SHOULD ADJUSTMENT OF THE WATER PRESSURE SWITCH PROVE UNSUCCESSFUL, CONTACT AQUACAL TECHNICAL SUPPORT (800-786-7751);SITE-SPECIFIC FACTORS MAY REQUIRE THE INSTALLATION OF AN EXTERNAL FLOW SWITCH.

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