CLI-AUX3-00 | 009-1799-00 | 190613
Copyright 2019 Savant Systems, LLC
45 Perseverance Way, Hyannis, MA 02601
| 508.683.2500
2 of 2
When making connections, follow the guidelines set below to ensure a
safe and secure connection.
Use the diagrams below when making the power connections be-
tween the thermostat and CLI-AUX3 climate module.
Use the diagrams below when making the RS-485 connections be-
tween the thermostat and CLI-AUX3 climate module.
– Power can be daisy-chained between modules.
– The cable lengths vary depending on the size of the wire. See the
specifications table on page 1 for more information.
Auxiliary Relay Connections
Humidifier or Dehumidifier
External Vent Damper
RS-485 Connections
Power Connections
Making Connections
Refer to the following documents located on the
Savant Customer
Community
for additional information.
– Multistat Smart Thermostat Deployment Guide (009-1636)
– Multistat Thermostat with Touchscreen QSG (009-1593)
Additional Information
1. With a small slotted screwdriver, turn
the screws on the connector coun-
terclockwise (CCW) until the silver
crimps open enough to slide a wire
into the square slots.
2. Strip back insulation on each wire to
1
/4
inch and insert the stripped wire
into the proper connection.
3. Turn the screw clockwise (CW) until
the crimps tighten around each wire.
Tug on each wire a bit to verify they
are secure.
< 1/8 inch of
bare wire
exposed
o
G
AUX
OUT
AUX
IN
RS2
RS1 GND
GND
R
X-
RX+
GND
1-
WIRE
5V
DC
Y2
Y1
W2
W1
RC
RH
TX+ TX- 24C
Aux Relay
Status
CLI-AUX3-00
S/N:
UID:
SHA1807001332
001AAE09DBC50000
Aux 3
Com
NO
NC
Aux 1
Com
NO
NC
Aux 2
Com
NO
NC
Power can be
daisy-chained
to other modules
24V AC
from HVAC
24VAC
~
~
o
G
AUX
OUT
AUX IN
RS2
RS1 GND
GND
GND
R
X-
RX+
GND
1-
WIRE
5V
DC
Y2
Y1
W2
W1
RC
RH
TX+
(TX+)
TX-
(TX-)
24C
Left Side View
RS-485 Cable
CLI-AUX3
– Max cable length is 1000 feet (304.8 meters).
– Savant recommends using standard RS-485 cable for wire runs.
Use the diagrams below when making connections to a piece of
equipment such as a humidifier, dehumidifier, or external vent damper.
Thermostat Power
Supplies power to
solenoid on
humidifier or dehumidifier
120V AC
120V AC
HUMIDIFIER
DEHUMIDIFIER
OR
Aux Relay
Status
CLI-AUX3-00
S/N:
UID:
SHA1807001332
001AAE09DBC50000
Aux 3
Com
NO
NC
Aux 1
Com
NO
NC
Aux 2
Com
NO
NC
24VAC
~
~
– The diagrams above use Aux 1 connections. Wiring of the Aux 2
and Aux 3 ports are the same.
– The auxiliary relay does not have a voltage connected to it. There-
fore an external source connected in series with the equipment is
required.
Thermostat Power
Supplies power to
the vone damper
Vent Damper
120V AC
120V AC
Aux Relay
Status
CLI-AUX3-00
S/N:
UID:
SHA1807001332
001AAE09DBC50000
Aux 3
Com
NO
NC
Aux 1
Com
NO
NC
Aux 2
Com
NO
NC
24VAC
~
~