Install Instructions
© 2015 554_D - 02/15
27 of 44
A Watts Water Technologies Company
Setting Display
W THERMAL MOTOR
Select whether the first stage of heat W operates a
thermally actuated zone valve (wax actuator). When
set to ON, there is a 3-minute delay before operating
the pump and any heat sources.
Access Level: Installer Range: OFF or ON
Conditions: Available when a tekmarNet
®
system control
is connected and W TERMINAL is set to HRF1, HRF2,
CONV or COIL. Also available when connected to a
tN2 Wiring Center and W TERMINAL set to OTHR.
Default: OFF
Y MINIMUM OFF
Select the compressor minimum off time.
Access Level: Installer Range: 0:30 to 10:00 minutes
Conditions: Always available. Default: 5:00 minutes
COOLING CWSD
Select the outdoor temperature below which the
cooling system is disabled.
Access Level: Installer
Range: OFF, 35 to 75°F
(OFF, 1.5 to 24.0°C)
Conditions: Requires an outdoor sensor to be connected
to sensor 2 or connected a tekmarNet
®
system with
an outdoor sensor.
Default: 55°F (13.0°C)
INTERLOCK
Select the amount of time for the heat-cool interlock.
Applies only when Mode is set to Auto. Reduces
excessive heat-cool switchovers.
Access Level: Installer Range: 10 to 180 minutes
Conditions: Always available. Default: 30 minutes
W CYCLES PER HOUR
Select the number of heating cycles per hour.
SYNC = 20 minute zone synchronization.
AUTO = Automatic cycles per hour to minimize
temperature swings.
Access Level: Installer Range: SYNC, AUTO, 2 to 12
Conditions: W TERMINAL is set to OTHR or the
thermostat is not connected to a tekmarNet
®
system
control.
Default: SYNC
Setup Menu (2 of 4)










