tekmar 553 Thermostat Installation - Manual (Page 28)

© 2014 553_D - 09/14
28 of 52 A Watts Water Technologies Company
Setting Display
W PUMP
Select whether the primary or mix system pump on
a tekmarNet
® system control should operate while
the first stage of heat W is operating.
Access Level: Installer
Range: OFF or ON
Conditions: Only available when a tekmarNet ® system
control is connected and W TERM is set to HRF1 or
HRF2 or connected to a tN2 Wiring Center. Default: ON
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: Only available when a tekmarNet ®
system control is connected and W TERM is set to
HRF1 or HRF2 or connected to a tN2 Wiring Center. Default: OFF
ACCESSORY RELAY
Select the equipment the accessory relay operates.
W2 = Second stage heat
HUM = Humidifier
DHUM = Dehumidifier
HRV = HRV for dehumidification
FAN = Intermittent fan
Access Level: Installer
Range: OFF, W2, HUM, DHUM,
HRV, FAN
Conditions: Always available. Default: W2
W2 TERMINAL
Select the type of second stage W2 heating.
CONV = Baseboard convectors
COIL = Hydronic fan coil
FURN = Forced air furnace
OTHR = Non-hydronic heating that does not require
the fan to operate
Access Level: Installer Range: CONV, COIL, FURN, OTHR
Conditions: ACC RELAY is set to W2.
Default: FURN (standalone)
COIL (tekmarNet
® System Control)
W2 SOURCE
Select the water temperature of the W2 heating.
Access Level: Installer
Range: BOIL, TANK, MIX
Conditions: ACC RELAY is set to W2 and W2 TERMINAL
is set to CONV or COIL.
Default: BOIL
Setup Menu (2 of 7)