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Connecting a Remote Flow Switch
Installing A Remote Flow Switch For Automatic
A Remote Flow Switch kit is designed to allow automatic selection of the thermostats on AquaCal
heaters equipped with HP7 Microprocessors with LED display. The Microprocessor will receive a
signal from the flow switch, which can be installed in either the pool return line or the spa return
line. Follow the instructions below for either installation.
CAUTION !
ONLY NON-ENERGIZING ("DRY") CIRCUIT SHOULD BE CONNECTED; NEVER APPLY
EXTERNAL-SOURCE VOLTAGE TO THE HP7 MICROPROCESSOR TERMINAL BOARD.
FAILURE TO FOLLOW THESE INSTRUCTIONS WILL RESULT IN EQUIPMENT DAMAGE.
WARNING !
DISCONNECT ALL ELECTRICAL POWER WHILE PERFORMING THIS WORK. FAILURE
TO FOLLOW THIS WARNING MAY RESULT IN SERIOUS INJURY OR DEATH.
Pool Return Line Installation
1.
Disconnect power to the AquaCal Heater.
2.
Remove front access panel and the electric box cover (if equipped) on the heater.
3.
String the flow switches cable through an access hole in the side of the heater and
into the electric box.
4.
Locate the Microprocessor Power Board inside the electric box. (see figure 1)
5.
Connect the cable with female quick disconnects already attached to the terminals
marked FS2 A and B on the Microprocessor Power Board. (see figure 1)
6.
Install the flow switch in the pool return line.
7.
The flow switch installation is complete.
8.
Replace the access electric box cover, and the front access panel. Connect power to
the heater.
9.
For programming instructions, refer to document entitled: Operating & Service
Instructions for AquaCal HP7 Microprocessor
Controller.
WARNING !!!! Dealer & Service Center Use Only
Appendix- C
Thermostat Switching
23
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