tekmar 557 Thermostat Installation - Manual (Page 31)

© 2014 557_D - 09/14
31 of 52 A Watts Water Technologies Company
Setup Menu (6 of 7)
Setting Display
W1 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)
Conditions: W1 TERMINAL is set HRF1, HRF2, or
OTHR and 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: Setup menu setting W1 TERMINAL is set
to OTHR (other) 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 backup heat or cool W2 is on. When
Mode is set to EMER (emergency), the heat pump
compressors Y1 and Y2 are always shut off.
Access Level: Installer
Range: OFF or ON
Conditions: BACKUP W2 TERMINAL is set to CONV,
COIL, FURN, or OTHR.
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 the Setup menu setting W1
TERM is set to HRF1 or HRF2 and SENSOR 1, 2
or 3 is not set to FLOR (floor).
Default: OFF
FLOOR COOL
Select whether or not the thermostat operates W1
for radiant floor cooling.
Access Level: Installer
Range: OFF or ON
Conditions: Setup menu setting W1 TERM is set to
HRF1 or HRF2 and the thermostat must be connected to
a tekmarNet
® heat pump or chiller system control.
Default: OFF