Remove Thermostat (If Replacing Existing Thermostat) - Salus ST100ZB Manual

Section 3

Remove Thermostat (if replacing existing thermostat)

Before removing the existing thermostat, turn
off power to the fan coil system .
Step 1. Review and record the existing thermostat wiring configuraiton:
- Remove thermostat from wall plate to expose wiring terminals
- Take a photograph or note the wire colors and connections (see wiring reference table below)
- Attach wire labels to each of the wires
Table 3.1: Wire Designation Record
Terminal
Wire Color
Designation
L
N
WY
YA
Gl
Gm Orange
Gh
Ac
Ac
Tp
Tx
Ts
Tc
Step 2. Label each wire when disconnecting them from thermostat terminals and remove the thermostat
mounting plate .
Paint the mounting surface, if desired, before mounting the new thermostat back plate to
ensure complete wall coverage .
Module 5 – Connected Fan Coil Controls
ST100ZB Line Power Fan Coil Thermostat
Black 120/240 VAC Line Power
White 120/240 Neutral
Red Heating Valve Actuator
Blue Cooling Valve Actuator
Brown Fan Signal – Low Speed
Fan Signal – Medium Speed
Yellow Fan Signal – High Speed
Accessory Contact
Accessory Contact
Supply Pipe Temperature Sensor
External Temperature Sensor
Temperature Setback
Tp/Tx/Ts Common
Function
4-Pipe System 2-Pipe System
120/240 VAC Line Power
120/240 Neutral
Heating/Cooling Valve Actuator
Auxiliary Heat
Fan Signal – Low Speed
Fan Signal – Medium Speed
Fan Signal – High Speed
Accessory Contact
Accessory Contact
Supply Pipe Temperature Sensor
External Temperature Sensor
Temperature Setback
Tp/Tx/Ts Common
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