Salus ST101ZB User manual

Low Voltage

Fan Coil Thermostat

ST101ZB

Quick Start Guide

For other language versions, please visit www.salusinc.com

Notices

Please read these instructions carefully before installing and using the Low

Voltage Fan Coil Thermostat.

• Follow all local and electricity supplier regulations regarding the installation or

replacement of a thermostat. An authorized, qualified installer may be required.

• Do not connect any of the terminals to a 120/240 VAC supply. The Low

Voltage Fan Coil Thermostat uses a 24 VAC power source.

• Do not cover any of the vents on the thermostat.

• Do not place the unit in a bathroom or area of excessive moisture.

• Do not allow the unit to get wet. This device serves as a temperature control

system only in dry, closed living and office spaces.

• Do not use solvents or aggressive cleaning agents. A dry, soft cloth is

recommended.

The manufacturer does not accept responsibility for any damage caused by not

following these instructions.

1. Let’s Get Started

Make sure you have the following items:

Thermostat with

Wiring Mount

Wiring Labels

Screws and

Anchors

Quick Start Guide

Tools:

• #1 Phillips or flathead

screwdriver

• Drill with 3/16” bit

(only if you need to use

anchors)

Optional Tools

• Smartphone or digital camera to take picture

of wiring for later reference

• Screwdriver to disconnect wires from old

thermostat

• Pencil

2. Turn Off Power to the Fan Coil System

This is usually accomplished by turning

off the circuit breaker in the breaker

panel.

3. Determine Wiring

Configuration

• Remove the old thermostat from the wall to expose the wiring terminals.

• Take a picture of the wiring for future reference.

• Note the terminals attached to each wire and attach the matching label to the

ends of the wires.

Use the following table as reference:

Terminal

Name

Function

4 pipe system

2 pipe system

24VAC input

Common of AC input

Hot water valve output

Pipe valve output

Chilled water valve output

Auxiliary Heat (A)

Fan coil low speed control

Fan coil medium speed control

Fan coil high speed control

Accessory output (relay contact)

Accessory output (other side of relay)

Pipe temperature sensor input

External temperature sensor input

Setback contact input

Tx/Tp/Ts common

4. Remove Old Thermostat Terminals

After all wires have been labeled, carefully

remove the wiring and any mounting or back

plate from the old thermostat.

Tip: Wrap the wires around a pencil to prevent

them from falling into the wall space

Note: If you intend to paint the mounting

surface, now is the best time to do so to insure

complete wall coverage behind and around the

thermostat without the use of a back plate.

5. Install Wiring Mount

Remove the wiring mount from the packaging, and use the included wall screws

and/or anchors to attach the wiring mount to the wall, making sure the wires run

through the center opening. If alternate mounting holes are required, use a wall

plate (sold separately).

No box or horizontal single

gang box

Vertical single gang box

(wall plate sold separately)

2 gang (4” square) box

(wall plate sold separately)

6. Attach Wiring

Connect the labeled wires to their matching terminals based on the fan coil

configuration as follows:

Configuration

Tc*

2-pipe Heat Only

√

2-pipe Cool Only

√

2-pipe Heat or Cool -

Manual changeover

√

W/Y

√

2-pipe Heat or Cool -

Seasonal changeover

√

W/Y

√

2-pipe Heat or Cool with

Auxiliary Heat

√

W/Y

√

4-pipe Heat / Cool,

Manual or Auto changeover

√

√: Required O: Optional

* If using more than one T terminal (Tp,Tx,Ts), it may be necessary to splice for Tc.

7. Attach Thermostat to Wiring Mount

Attach the thermostat to the wiring mount by

aligning the connector pins and the plastic

retention posts and pushing the thermostat

onto the wiring mount.

Make sure the connector pins are not bent and

that the thermostat is fully seated on the wiring

mount.

8. Turn On Power to the Fan Coil

System

Turn on the circuit breaker at the breaker panel to

power up the fan coil system and thermostat.

9. Pair Thermostat

After powering up and initializing, the

thermostat will display the pairing screen.

Consult the pairing guide for your home

automation system to determine how to add

the Low Voltage Fan Coil Thermostat to your

system.

After pairing, the device will automatically

enter Installer Mode to allow configuration of

the device.

To skip the pairing process and enter Installer

Mode immediately, press SETTINGS ( ).

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