Setup menu (5 of 7) – tekmar 553 Thermostat Installation User Manual
Page 31

© 2014
553_D - 09/14
31 of 52
A Watts Water Technologies Company
Setup Menu (5 of 7)
Setting
Display
W HEAT WWSD
Select the outdoor temperature above which the
radiant floor heating is shut off.
Access Level: Installer
Range: OFF, 32 to 80°F
(0 to 26.5°C, OFF)
Conditions: Two stage heating with the second stage
being a heat pump, fan coil or a furnace and the
outdoor temperature is available.
Default: 60°F (15.5°C)
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, W2 is
set to OTHR or the thermostat is not connected to a
tekmarNet
®
system control.
Default: SYNC
Y DURING W2
Select whether the heat pump compressor can
operate when W2 heat is on. When Mode is set to
EMER (emergency), the heat pump compressor Y
is always shut off.
Access Level: Installer
Range: OFF or ON
Conditions: ACC RELAY is set to W2 and Y RELAY
is set to HP.
Default: OFF
BASELOAD
Select the level of radiant floor baseload heating.
This warms the floor so that solar gain and / or air
heating systems do not cause cold floors.
Access Level: Installer
Range: OFF, LOW, MED, HIGH
Conditions: Only available when a tekmarNet
®
system control is connected and W TERM is set to
HRF1 or HRF2 and SENSOR 1 or 2 is not set to
FLOR (floor).
Default: OFF
FLOOR COOL
Select whether or not the thermostat operates W for
radiant floor cooling.
Access Level: Installer
Range: OFF or ON
Conditions: Setup menu setting W TERM is set to HRF1
or HRF2 and the thermostat must be connected to a
tekmarNet
®
heat pump or chiller system control.
Default: OFF