tekmar 557 Thermostat Installation - Manual (Page 5)

© 2014 557_D - 09/14
5 of 52 A Watts Water Technologies Company
Removing The Wiring Cover
To remove the thermostat’s wiring cover:
Locate the slotted hole on the right
side of the thermostat.
Insert a screwdriver in the slotted hole
to depress the latch.
Remove the wiring cover from the
thermostat. •
•
•
To prevent the risk of personal injury and/or death, make sure power is
not applied to the thermostat until it is fully installed and ready for final
testing. All work must be done with power turned off to the circuit being
worked on.
Please be aware local codes may require this thermostat to be installed
or connected by an electrician.
If a gang box is not used:
Feed the wiring through the large
holes in the thermostat.
Use screws in the screw holes to
fasten the thermostat to the wall.
At least one of the screws should
enter a wall stud or similar rigid
material.
Terminate wiring to the wiring strip.
Re-install the wiring cover. •
•
•
•
Mounting The Thermostat
If a single gang box is used:
Feed the wiring through the large
holes of the thermostat.
Fasten the base of the thermostat to
the gang box using two screws.
Terminate wiring to the wiring strip.
Re-install the wiring cover. •
•
•
•
Stud
Wall
Thermostat
Wiring Cover
Stud
Thermostat
Wiring
Cover
3 1/4 ”
(83 mm)
Switch Box