© 2013
553_D - 04/13
3 of 48
A Watts Water Technologies Company
Preparation
tekmar or jeweller screwdriver
Phillips head screwdriver
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Wire Stripper
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Tools Required
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Materials Required
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18 AWG LVT Solid Wire (Low
Voltage Connections)
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Installation
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 less than 90%. Non-condensing environment.
No exposure to extreme temperatures beyond 32-122°F (0-50°C).
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 feet (1.5 m) off the finished floor.
The maximum length of wire is 500 feet (150 m).
Strip wire to 3/8” (10 mm) for all terminal connections.
Use standard 8 conductor, 18 AWG wire.
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Installation Location
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Caution
Improper installation and operation of this control could result in damage to the equipment
and possibly even personal injury or death. It is your responsibility to ensure that this
control is safely installed according to all applicable codes and standards. This electronic
control is not intended for use as a primary limit control. Other controls that are intended
and certified as safety limits must be placed into the control circuit.
Removing The Thermostat Base
To remove the thermostat base:
Locate the tab on the bottom of the
thermostat.
Push the tab with either your thumb or with
a screwdriver.
Lift the thermostat front away from the
thermostat’s base.
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