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Page 46
11.3
Heat Pump (Chiller Mode)
NOTE This equipment may not be part of your system.
Please check with your installer.
The CHILLER selection controls the chilling operation
of the heat pump.
11.3.1
Heat Pumps (Chiller) Controlled by
the Extra Aux/Solar Boost Relay
In order to use the chiller mode of the heat pump,
the filter pump must be turned on and the heat pump
must be in CHILLER MODE, and the switch on the
heat pump on the equipment pad must also be set to
CHILLER MODE.
NOTE CHILLER takes the place of EXTRA AUX or
SOLAR HEAT. It is not possible to have any two
of these on the DEVICES ON/OFF menu at the
same time.
To operate the HEAT PUMP in this type of
configuration, set the DIP switch S2-1 to ON
and connect the HEAT PUMP temperature
sensor to the SOLAR SENSOR input.
IMPORTANT Information on Chiller
You must manually change the setting at your heat
pump from Heat to Chiller.
11.3.2
Heat Pumps (Chiller) Controlled by
the RS485 Interface
The CHILLER selection controls the chilling operation
of the heat pump. In order to use the chiller mode of the
heat pump, the filter pump must be turned on and the
heat pump must be enabled. The heat pump will switch
to chill automatically when the water temperature rises
above the chiller temperature set point.
In this configuration, it is possible to have HEAT
NOTE
PUMP/CHILLER and SOLAR HEAT on the
EQUIPMENT ON/OFF at the same time.
If both HEAT PUMP/CHILLER and SOLAR
NOTE
HEAT are to be controlled by the system then
set the DIP switch S2-1 to OFF and connect
the SOLAR SENSOR to the SOLAR SENSOR
input.
AquaLink
®
Touch™ Owner's Manual
NOTE If SOLAR HEAT is not to be controlled by the
NOTE If the water temperature is greater than the
11.3.3
MENU > SYSTEM SETUP > HEAT PUMP
From HEAT PUMP SETUP screen, touch the CHILL
MODE button to enable/disable the CHILLER. The
CHILLER uses the desired chilling temperature set
point.
NOTE
NOTE
system then set the DIP switch S2-1 to ON and
connect the HEAT PUMP temperature sensor to
the SOLAR SENSOR input.
chiller temperature setpoint then CHILLER is
displayed on the EQUIPMENT ON/OFF screen.
Otherwise HEAT PUMP is displayed.
Chill Mode
The system will force the Chiller set point to
always be at least five (5) degrees Fahrenheit
higher than the heater set point.
If the end time of an enabled program overlaps
the start time of a second enabled program, the
second program will be delayed until the first
program completes, and the master valve will
remain activated between programs.
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