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INSTALLATION
EQUIPMENT CONTROL MODULE MOUNTING
The Equipment Control Module has the following features to simplify mounting and wiring and provide for a clean
and neat installation .
• Six (6) mounting holes . One on each corner and two centered top and bottom . Any combination of these holes may
be utilized . Mount the Equipment Control Module using 2 to 4 #8 screws appropriate for the mounting surface
substrate . (See Figure 2 .)
• Wires can be routed through
the top, bottom, sides or back .
• Nylon wire ties can be used
to secure wires in 10 places .
Installation Steps
1 . Select mounting location .
2 . Pull from bottom to remove
front cover . (See Figure 1 .)
3 . Mount base using 2 to 4 #8
screws (field supplied) .
THERMOSTAT WIRING
Wire specifications:
18-24 gauge thermostat wire
Installation notes:
• Ensure power at the HVAC equipment is off .
• Loosen screw terminals, insert stripped wire
and re-tighten .
• Push the excess wire back into the opening and plug the wall opening to prevent drafts .
1 – Connection to terminal 1 at equipment control module
2 – Connection to terminal 2 at equipment control module
3 – Connection to terminal 3 at equipment control module
RSB & RSA – Model 8081 or Model 8082 Support Module communication (optional)
T1 & T2 – Remote temperature sensor (optional)
4
Figure 1
Figure 2
RSB RSA
1
2
3
T1
T2
INSTALLATION
REMOTE TEMPERATURE SENSOR (OPTIONAL)
A remote temperature sensor can be used for control if the thermostat is to be mounted in a concealed location
or a remote sensor can be averaged with the thermostat sensor to control a large space . An 8051 flush mount
or 8053 surface mount remote temperature sensor can be attached to the T1 and T2 terminals and mounted in a
recommended area . The remote sensor must be enabled in the installer setup menu, and once enabled will override
or be averaged with the thermostat's internal temperature sensor, based on the setting .
Remote temperature sensor should be
mounted:
• On an interior wall, in a frequently occupied
space .
• Approximately 5' above floor .
• At least 18" from outside wall .
• Using less than 300' of wire .
Do not mount remote sensor:
• Behind doors, in corners or other dead air
spaces .
• In direct sunlight, near lighting fixtures, or
other appliances that give off heat .
• On an outside or unconditioned area wall .
• In the flow of a supply register, in stairwells,
or near outside doors .
• On a wall with concealed pipes or ductwork .
• Near 120 VAC lines .
90-2080
SUPPORT MODULE WIRING (OPTIONAL)
Up to four support modules can be wired for remote
sensing of temperature and/or humidity . Each sensor
can be configured for control or monitoring .
Note: Support Modules should be wired with CAT-5
wire . The total length of wire for all support modules
should not exceed 1000 feet .
1
2
3
T1 T2
MODEL 8081 OR 8082
SUPPORT MODULE
RC
C
RSB
RSA
T1
T2
T3
T4
1
2
3
T1
T2
RSB RSA
90-2080
5
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