tekmar 521 Programmable Thermostat Installation - Manual (Page 5)

© 2014 521_D - 01/14
5 of 28 A Watts Water Technologies Company
Mounting The Thermostat
If mounting directly to the wall:
Drill holes and install the wall anchors.
Feed the wiring through the large hole in the thermostat base.
Fasten the thermostat base to the wall using the wood screws to the wall
anchors.
Terminate wiring to the wiring strip.
Push the thermostat front onto the thermostat base. •
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If a single gang box is used:
Adapter Plate 012 is required (sold separately).
Feed the wiring through the hole in the adaptor plate and the thermostat base.
Fasten the adaptor plate to the gang box.
Fasten the base of the thermostat to the adaptor plate.
Terminate wiring to the wiring strip.
Push the thermostat front onto the thermostat base. •
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Wall
Thermostat
Front
Thermostat
Base
3 1 / 4 "
(83 mm)
Stud
Gang
Box
Thermostat
Front
Thermostat
Base
Adapter Plate 012