Tekmar 527 - Thermostat Installation and Wiring; Rough-In Wiring Guidelines

© 2009 D 527 - 06/09 4 of 28
Choose the placement of the thermostats early in the
construction process to enable proper wiring during
rough-in.
Consider the following:
Interior Wall.
Keep dry. Avoid potential leakage onto the control.
Relative Humidity max 80% up to 88°F (31°C) decreasing
linearly to 50% RH at 104°F (40°C). Non-condensing
environment.
No exposure to extreme temperatures beyond 36-122°F
(2-50°C).
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Rough-In Wiring
No draft, direct sun, or other cause for inaccurate
temperature readings.
Away from equipment, appliances, or other sources of
electrical interference.
Easy access for wiring, viewing, and adjusting the display
screen.
Approximately 5 ft. (1.5 m) off the finished floor.
The maximum length of wire is 1000 feet (300 m).
Strip wire to 3/8” (10mm) for all terminal connections.
Use standard 18 AWG wire for the tN2 connections.
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Mounting the Thermostat
If a single gang switch box is used, an Adaptor Plate 007
is required to mount the thermostat to the box.
Fasten the base of the thermostat to the adaptor plate.
Feed the wiring through the openings in the back of the
adaptor plate and thermostat.
Use the upper and lower screw holes to fasten the adaptor
plate to the box.
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Removing the Wiring Cover
To remove the wiring cover:
Place a small slot screwdriver or similar tool into the slot
located on the top of the thermostat.
While pushing down against the plastic tab, pull the top
of the front cover so that it pivots around the bottom edge
of the thermostat’s base.
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OR
If a switch box was not used, mount the thermostat directly
to the wall.
Feed the wiring through the openings in the back of 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.
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Stud
Switch
Box
Thermostat
Base
007 Adaptor
Plate
Thermostat
3
1
/4”
(83 mm)
Stud
2
3
/8”
(60 mm)
screwhole
2
3
/8”
(60 mm)
screwhole
Thermostat
Thermostat
Base
Wall
Mounted on wallboardMounted on switch box
Push tab
1
Remove cover
2