tekmar 553 Thermostat Installation - Manual (Page 9)

© 2014 553_D - 09/14
9 of 52 A Watts Water Technologies Company
Switch Settings
Switch Position Action
1
ON
LOCK ACCESS LEVEL
Thermostat is locally locked and the access level cannot be changed.
Set to Lock when installation has been completed.
OFF
UNLOCK ACCESS LEVEL
Thermostat is unlocked and the access level may be changed. Go to
the Toolbox menu to change the access level. Set to Unlock during
the installation process.
tekmarNet
® system controls include a Global Lock that locks all
connected thermostats. Set the tekmarNet ® system control to unlock
to allow access level adjustment on all connected thermostats.
2
ON Not used
OFF Not used
tekmarNet
Thermostat 553
Two Stage Heat, One Stage Cool, Fan
Mmm YYYY
Lot # 12345
Meets Class B: ICES & FCC Part 15
Power: tN2 or 24 V (ac) ±10% 1.8 VA
Relay: 24 V (ac) 2 A
Switch
Settings
www.tekmarcontrols.com
Designed and assembled in Canada
Lock
Unused
Unlock
/
ON
1 2 Back of
Thermostat
Mounting the Thermostat
Push the thermostat front onto the thermostat base. Installation is now complete.
Thermostat
Front
Push
Thermostat
Base