Hayward HeatPro® Heat Pro All Models - Page 9

Time Clock Override

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PST-5 Heat/Cool The PST-5 is an upgrade of the PST-4 with the addition of an AUTO function. This allows the heat pump to heat or cool the water automatically to maintain the setpoint. The PST-5 also has an optional Time Clock Override (TCO-This feature must be connected by an electrician to operate.) Read the instructions for the PST-1 and PST-4 fully before continuing. . The PST-1 page will provide you with descriptions of button functions and setpoint programming. If you have purchased the TCO option, the PST-4 page will provide TCO functionality and programming procedures. Run indicator light: Setting the AUTO function: Setting unit to cool only: Serves the same function as the "heating" indicator on the PST-1 and PST-4. 1. Disengage the AUTO mode (the AUTO mode indicator light will be off.) 2. Program your desired temperature setpoint. 3. Press the AUTO button to activate the automatic heat / cool function. (AUTO mode indicator will light.) 4. "AC5" should show on the display (set at the factory). "AC" indicates that the cooling function is enabled and the "5"means that when the water temperature is 5°F above the setpoint, the unit will energize to cool your pool or spa. By using the up and down keys, the AC5 can be changed to values ranging from AC3 to AC9. Engage the AUTO mode and use the up button to scroll past "AC9". You will notice that after the display of "AC9" an "ACP" (AUTO Cool Primary) will be displayed. When "ACP" is displayed, the unit will only cool the pool and will not go into the heating mode, no matter how cool the pool gets. NOTE: The RUN light will flash during cooling cycles. Time Clock Override: Refer to TCO information on the previous page. (PST-4) If troubleshooting this controller, refer to the Troubleshooting Guide for DIGITAL Thermostat Control. 8

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8
PST-5
Heat/Cool
The PST-5 is an upgrade of the PST-4 with the addition of an
AUTO
function.
This allows the heat pump to
heat or cool the water automatically to maintain the setpoint. The PST-5 also has an optional Time Clock
Override (TCO
-This feature must be connected by an electrician to operate.)
Read the instructions for the PST-1 and PST-4 fully before continuing. . The PST-1 page will
provide you with descriptions of button functions and setpoint programming. If you have purchased
the TCO option, the PST-4 page will provide TCO functionality and programming procedures.
Run indicator light:
Serves the same function as the “heating” indicator on the PST-1
and PST-4.
Setting the
AUTO function:
1.
Disengage the AUTO mode (the AUTO mode indicator light
will be off.)
2.
Program your desired temperature setpoint.
3.
Press the
AUTO
button to activate the automatic heat / cool
function. (
AUTO
mode indicator will light.)
4.
“AC5”
should show on the display (set at the factory). “AC”
indicates that the cooling function is enabled and the
“5”means that when the water temperature is 5
°
F above the
setpoint, the unit will energize to cool your pool or spa.
By using the
up
and
down
keys, the AC5 can be changed to
values ranging from AC3 to AC9.
Setting unit to
cool only:
Engage the
AUTO
mode and use the
up
button to scroll past “AC9”. You
will notice that after the display of “AC9” an “ACP” (AUTO Cool
Primary) will be displayed. When “ACP” is displayed, the unit will only
cool the pool and will not go into the heating mode, no matter how
cool the pool gets.
NOTE: The
RUN
light will flash during cooling cycles.
Time Clock Override:
Refer to TCO information on the previous page. (PST-4)
If troubleshooting this controller, refer to the
Troubleshooting Guide for
DIGITAL
Thermostat Control
.