SAVANT CLI-W220X-00 Multistat Smart Thermostat User Guide
Climate Modules
Savant offers a family of Climate Modules. These climate modules expand the capabilities of the thermostat. The
modules available are as follows:
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–
–
–
–
CLI-1WIRE2 - Adds up to four 1-wire smart sensors to the system.
CLI-10K4IN - Adds up to four 10KΩ type temperature sensors to the system.
CLI-AUX3 - Adds up to three additional auxiliary relays to the system.
CLI-REL1AUX1 - Adds a set of climate relays (W1, W2, Y1, Y2, G, O) and one auxiliary relay to the system.
CLI-PTAC1K1 - Adds relays W1, W2, Y1, Y2, G, O for use with a PTAC and one 10KΩ temperature sensor to the
system.
Connect Power To Climate Modules
Savant climate modules require 24V AC for power. The 24V AC used to power the thermostat can also power the
climate modules. The diagram below displays the power connections between the thermostat and a climate module.
Climate Module
Status
+5V
1Wire
Gnd
1
Climate Module
+5V
1Wire
Gnd
S/N: SHR155674596
UID: 001AAE09CA770095
2
Power can be
daisy-chained
to other modules
24V AC
from HVAC
~
~
24VAC
Connect RS-485 To Climate Modules
Savant climate modules communicate with the thermostat over RS-485. The diagram below shows the required
connections.
HELPFUL!
–
RS-485 wiring must be connected
using a daisy-chained fashion. Do
not install the RS-485 wires in a
home run type topology.
Climate Module
Left Side View
–
A 120Ω terminating resistor
installed between TX+ and TX- on
the last climate module in the chain
may be required on longer wire
runs. Adding a terminating resistor
will prevent stability issues that can
occur with longer wire runs.
(TX+)
(TX-)
GND
RS-485 Cable
Daisy-chain the RS-485 cable
to the next climate module.
HELPFUL
For more information on each module, see the following guides on the Savant Customer Community.
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(009-1829-xx) - Sensor Module with Two 1-Wire Sensor Interfaces [CLI-WIRE2] - QRG
(009-1798-xx) - Sensor Module with Four 10K Thermistor Inputs [CLI-10K4IN] - QRG
(009-1799-xx) - Relay Module with Three Aux Relays [CLI-AUX3] - QRG
(009-1806-xx) - Relay Module for PTAC with one 6-port Climate Relay and One 10K Thermistor [CLI-PTAC1K1] -
QRG
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(009-1805-xx) - Relay Module with one 6-port Climate Relay and One Aux Relay [CLI-REL1AUX1] - QRG
(009-1959-xx) - Multistat Smart Thermostat Deployment and User Guide
Multistat Smart Thermostat Quick Start Guide | 009-2428-01
Copyright ©2025 Savant Systems, Inc 240318
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45 Perseverance Way, Hyannis MA 02601
Savant.com | 508.683.2500
|
| General | Details |
|---|---|
| Name | SAVANT CLI-W220X-00 Multistat Smart Thermostat User Guide |
| Make | SAVANT |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.32 MB |
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