tekmar 557 Thermostat Installation - Manual (Page 8)

© 2014 557_D - 09/14
8 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
W1 Rh1 Rh2 W2 ACC
Y2 Y1 Rc G1 O/B
S3
0-1
0
Vdc
Com
S2
S1
tN4
C
R
Y2 Y1 Rc G1 O/