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Remove 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 against the plastic tab, pull the top of the
front cover so that it pivots around the bottom edge of
the thermostat's base.
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.
007 Adaptor
Plate
Thermostat
Base
Thermostat
Mounted on switch box
Wiring Symbols
Dry contact switch. Operates a device.
Powered switch. 24 V (ac), switched
output to valve, pump relay etc.
Factory jumper.
Electrical Drawings
The electrical drawing examples on the following
pages show the 541 in common applications. Choose
the drawing that most accurately depicts the components
in your system and use that drawing as a guide to aid in
wiring your system.
These are only a concept drawings, not engineered
drawings. They are not intended to describe a complete
system nor any particular system. It is up to the system
Stud
Switch
Box
3
1
/
"
4
(83 mm)
3 of 8
Remove cover
2
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.
Thermostat
OR
OR
Mounted on wallboard
Do not apply power to these terminals.
Serious control damage will result.
tekmarNet
designer to determine the necessary components for and
configuration of the particular system being designed
including additional equipment isolation relays (for loads
greater than the controls specified output ratings) and any
safety devices which in the judgement of the designer are
appropriate in order to properly size, configure and design
that system and to ensure compliance with building and
safety code requirements.
Push tab
1
Stud
Thermostat
Base
Wall
2
2
3
3
/
/
"
"
8
8
(60 mm)
(60 mm)
screwhole
screwhole
®
4
© 2005
W 541 - 06/05
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