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

Section 4

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 4.1: Wire Designation Record
Terminal
Wire Color
Designation
L
C
WY
YA
Gl
Gm
Gh
Ac
Ac
Tp
Tx
Ts
Tc
Module 5 – Connected Fan Coil Controls
ST101ZB Low Voltage Fan Coil Thermostat
4-Pipe System
24 VAC Input
24 VAC Common
Heating Valve Actuator
Cooling Valve Actuator
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
Function
2-Pipe System
24 VAC Input
24 VAC Common
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
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 .
4-2