Schneider SpaceLogic Thermostat Installation Guide

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Installation Instructions  

SpaceLogic Thermostat TH900 Series Installation Instructions  

schneider-electric.com | 1  

schneider-electric.com | 2  

Specifications (cont.)  

Precautions  

SpaceLogic Thermostat  

TH900 Series for PTAC, Fan Coil, Heat Pump & Gas/Oil Furnace Applications  

Regulatory Information  

• This product is not intended for life or safety  

applications.  

FCC CFR 47 Part 15 Subpart B Class B  

RSS 247  

ICES-003:issue 6  

UL 60730-1  

UL 60730-2-9  

CAN/CSA-E60730-1  

CAN/CSA-E60730-2-9  

European Conformance CE:  

IEC/EN 60730-1  

TH903-P-W, TH903-ZP-W, TH903-ZPM-W, TH907-P-W, TH907-ZP-W, TH907-ZPM-W,  

TH907-P-B, TH907-ZP-B, TH907-ZPM-B  

• Do not install this product in hazardous or  

classified locations.  

Agency  

approvals  

• Read and understand the instructions before  

installing the product.  

• Turn off all power supplying equipment before  

working on it.  

IEC/EN 60730-2-9  

RoHS  

2011/65/EU  

compliance  

2015/863/EU  

• The installer is responsible for conformance to  

all applicable codes.  

REACH  

compliance  

1907/2006/EC  

• External housing may be cleaned with a damp  

cloth if it becomes dirty. Do not use any cleaning  

agent, especially alcohol.  

TH907 Series  

TH903 Series  

If this product is used in a manner not specified by  

the manufacturer, the protection provided by the  

product may be impaired. No responsibility is as-  

sumed by the manufacturer for any consequences  

arising out of the use of this material.  

Product Description  

Operating temp.  

0 to 50°C (32 to 122°F)  

Operating  

humidity  

The TH900 Series thermostats are optimized for  

office building, hotel and residential terminal HVAC  

control.  

0 to 95 % RH (non-condensing)  

Storage temp.  

Storage humidity  

PIR detection  

-20 to 60°C (-4 to 140°F)  

0 to 90 % RH (non-condensing)  

120° (±60°)  

The TH900 Series is ideal for PTAC, Fan Coil, Heat  

Pump and Gas/Oil Furnace applications.  

Dimensions mm (in.)  

TH907 Series  

PIR detection  

distance  

10m at 0°, 5m at 60°, 5m at -60°  

These models are available in two housing finishes:  

optimum (black glass display with capacitive  

buttons on a black or white base) or medium (white  

glass display with mechanical buttons on a white  

base).  

120 (4.72)  

26.5  

(1.04)  

Power  

consumption  

80 (3.15)  

Standby < 0.5W  

48 (1.86)  

120 (4.72)  

Power supply  

Terminal cable  

24 VAC @ 50/60Hz or 24 VDC  

14 AWG to 18 AWG solid or  

stranded wire  

The TH900 Series is a wall surface mount device  

that is easy to operate. These thermostats feature  

microprocessor-based controls and large LCD  

screens which display operation status (cooling,  

heating and auto), fan speed, room temperature  

and set-point.  

Load rating  

Protection class  

Housing  

3A resistive, 1A inductive, 1A pilot duty  

IP 30  

Flame-retardant PC  

120 x 120 x 26.5mm  

(4.72 X 4.72 X 1.04 in.)  

Dimensions  

Front View  

Mounting View  

Back View  

Side View  

Pollution degree  

Operation type  

Control purpose  

Pollution Degree 2  

Type 1.B  

Specifications  

TH903 Series  

Heat stages  

1 stage  

120 (4.72)  

Operating control  

Cool stages  

1 stage  

26.5  

(1.04)  

48 (1.86)  

120 (4.72)  

70 (2.72)  

Control  

construction  

Independently mounted control for flush  

mounting  

Sensing element  

Digital temperature sensor  

±0.5°C@0 to 50°C  

(±1°F@32 to 122°F)  

Impulse voltage  

330V  

Accuracy  

Set-point range  

Display range  

5 to 35°C (41 to 95°F)  

0 to 50°C (32 to 122°F)  

Display resolution 0.5°C (1°F)  

USA: +1 888-444-1311  

Europe: +46 10 478 2000  

Asia: +65 6484 7877  

Front View  

Mounting View  

Back View  

Side View  

www.schneider-electric.com  

© 2020 Schneider Electric. All rights reserved. All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies.  

Schneider Electric, 35 rue Joseph Monier, F - 92500 Rueil-Malmaison  

© 2020 Schneider Electric. All rights reserved. All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies.  

Schneider Electric, 35 rue Joseph Monier, F - 92500 Rueil-Malmaison  

June 2020  

F-28128-2 nk  

SpaceLogic Thermostat TH900 Series Installation Instructions  

SpaceLogic Thermostat TH900 Series Installation Instructions  

schneider-electric.com | 3  

schneider-electric.com | 4  

Wiring  

Pin  

Name  

Color  

Typical Function  

5. Hook the tabs at the top rear of the unit housing  

into the matching depressions at the top of the  

Smart Mounting Plate and rotate the bottom of  

the housing toward the wall until it snaps into  

place.  

Installation  

Location  

Auxiliary input 1, connects  

to key card/window switch  

with dry contact output. Use  

normal close/normal open  

configuration to activate.  

Select a location about 1.5m (5ft.) above the floor  

with good air circulation at average temperature.  

Indoor use only. Do not mount thermostat where it  

may be affected by:  

5

AUX1  

Blue  

ModBus address  

12 VDC. Connects to  

external AUX1 or AUX2  

switch/sensor with dry  

contact output.  

6. Secure the housing to the Smart Mounting  

Plate with the two small captive screws at the  

bottom of the housing.  

S1  

H3  

OFF  

ON  

6

12V  

Red  

1

6

• Drafts or dead spots behind doors or in corners  

• Hot or cold air from ducts  

ModBus  

H1  

GND  

A

6

1

1

B

12  

V

H3 White Connector: Low Voltage Signals  

7. Apply power to the unit by closing the  

applicable supply breaker. After connecting  

power, OFF mode (factory default setting) will  

appear on the LCD display.  

AUX1  

AUX2  

• Radiant heat from sun or appliances.  

• Concealed pipes or chimneys  

5

GND  

AI  

10  

Pin  

1

Name  

B

Color  

White  

Red  

Typical Function  

RS485 DATA-  

1

• Unheated (un-cooled) areas behind the  

thermostat  

H2  

2

A

RS485 DATA+  

Ground  

3

GND  

Black  

Figure 1. Assembly, exploded view  

• If Zigbee equipped, do not install near other RF  

sources/ transmitters  

S1 Black Switch: Modbus Address Settings*  

Power/HVAC signal  

harness to thermostat  

Pin Signal  

Typical Function  

• When the thermostat is equipped with PIR,  

consider view angle, range characteristics, and  

mounting position for proper coverage  

1

2

3

4

5

6

X₁  

X₂  

X₃  

X₄  

X₅  

-

X₁=1 if switch is ON, X₁=0 if switch is OFF  

X₂=1 if switch is ON, X₂=0 if switch is OFF  

X₃=1 if switch is ON, X₃=0 if switch is OFF  

X₄=1 if switch is ON, X₄=0 if switch is OFF  

X₅=1 if switch is ON, X₅=0 if switch is OFF  

Not connected  

H1 White Connector: 24 VAC Power/HVAC Signals  

Pin  

Name  

Color  

Typical Function  

Mounting  

24 VAC (dedicated to  

heating power)  

1

RH  

Brown  

The HVAC thermostat is typically mounted on a  

standard double-gang (4 x 4) junction box. The in-  

stallation kit provides a Smart Wall Mounting Plate.  

24 VAC (dedicated to  

cooling/fan power)  

2

3

RC  

Violet  

*Modbus Address= X₁*2⁰ + X₂*2¹ + X₃*2² + X₄*2³ + X₅*2⁴  

Default address is 0. Adjust address range from 1-31 using  

S1, enable Modbus and set baud rate in the User Setup  

setting (see User Guide for details).  

G3  

Grey  

Fan speed 3 (high)  

If mounted on a single-gang box, use the two cen-  

tral holes of the Smart Wall Mounting Plate.  

Cooling output (HVAC),  

compressor output (heat  

pump) or cold water valve  

(FCU)  

4

Y

Yellow  

To mount the HVAC thermostat, complete the  

following steps:  

4x4 Junction Box  

Smart Mounting Plate  

Wiring Diagrams  

5

6

-

-

Not connected  

1. Position the Smart Wall Mounting Plate as  

shown in Figure 1.  

Note: Prior to beginning an installation, use the  

HVAC Wire Harness Templates at the end of this  

document to identify the wires/signals coming out  

of the 4x4 box and to determine which wires are  

connected to which wires on the thermostat. These  

templates provide a quick and easy ‘cheat sheet’ to  

capture property-specific wiring requirements.  

C

Black  

Common  

Heating output (HVAC),  

reversing valve (heat pump)  

or hot water valve (FCU)  

7

8

W/O/B  

G2/W2  

Blue  

2. Ensure the Smart Mounting Plates are oriented  

to follow the marking that says “This side up”.  

Snap them together, ensuring all 4 corner snap  

hooks are attached, then attach them to the  

junction box using the supplied screws.  

Fan speed 2 (medium) /  

stage 2 heat (heat pump  

with aux. heating)  

White  

24 VAC or 24 VDC  

(dedicated to product  

power)  

If you have technical questions, please contact the  

Schneider Electric Customer Care Center in your  

country (see schneider-electric.com/contact).  

9

R

Red  

3. Use wire nuts to connect the Power/HVAC  

and other low voltage signal wiring harness  

to the power and heat pump/valve/fan control  

signal wires within the electrical box. See  

the pre-defined commissioning document for  

application-specific wire connections.  

10  

G1  

Green  

Fan speed 1 (low)  

H2 White Connector: Low Voltage Signals  

Generic FCU/Conventional HVAC: 24 VAC  

Pin  

Name  

Color  

Typical Function  

Not connected, reserve for  

future use  

1

AI  

White  

4. To connect the unit to the input power and the  

relays to the loads, plug the pre-wired power/  

HVAC and other signals harness connector into  

the female receptacle at the back of the unit  

(H1/H2/H3).  

2

3

GND  

Black  

None  

Ground  

Generic  

NC  

Not connected  

RH_Heating Power  

RC_Cooling/Fan Power  

G3_High Fan  

Brown  

Violet  

Grey  

Auxiliary input 2, connects  

to Balcony Door/ External  

Occupancy sensor with  

dry contact output, two  

transitions to activate  

GH_HIGH FAN  

Y_COOL  

Y_Cool Activation  

Yellow  

G1_Low Fan  

Green  

Red  

GL_LOW FAN  

R_24 VAC  

4

AUX2  

Yellow  

R_Product Power  

G2/W2_Medium Fan  

W/O/B_Heat Activation  

C_Common  

White  

Blue  

GM_MEDIUM FAN  

W1_HEAT1  

Black  

C_COMMON  

© 2020 Schneider Electric. All rights reserved. All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies.  

Schneider Electric, 35 rue Joseph Monier, F - 92500 Rueil-Malmaison  

© 2020 Schneider Electric. All rights reserved. All trademarks are owned by Schneider Electric Industries SAS or its affiliated companies.  

Schneider Electric, 35 rue Joseph Monier, F - 92500 Rueil-Malmaison  

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• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• Schneider

Schneider SpaceLogic Thermostat Installation Guide Overview

Summary of Contents

• Page 1: Installation instructions for SpaceLogic Thermostat TH900 Series. This product is not intended for life or safety applications. Read and understand the instructions before installing the product. Turn off all power supplying equipment before working on it. The installer is responsible for conformance to all applicable codes. The TH900 Series thermostats are optimized for office building, hotel, and residential terminal HVAC control. The TH900 Series is ideal for PTAC, Fan Coil, Heat Pump, and Gas/Oil Furnace applications. These models are available in two housing finishes: optimum or medium. The HVAC thermostat is typically mounted on a standard double-gang junction box. Use wire nuts to connect the Power/HVAC and other low voltage signal wiring harness to the power and heat pump/valve/fan control signal wires within the electrical box.
• Page 2: SpaceLogic Thermostat TH900 Series Installation Instructions Typical HVAC Applications ECO mode minimizes energy consumption when a room is unoccupied and allows for quick resumption when people return. A short press of the FAN button toggles between pre-set fan speeds and fan auto mode. Protection Modes Frost Protection can be enabled or disabled with a setpoint ranging from 5 to 15°C. High Temperature Protection can be enabled or disabled with a setpoint ranging from 25 to 35°C. The default modes displayed by TH900 Series thermostats are OFF and Auto. In Auto mode, the measured ambient temperature is compared to the set point for temperature control. When the fan is operating under automatic control, the applicable fan on/off is chosen based on the temperature difference necessary to achieve the air temperature set point. If the on-board temperature sensor is not operating correctly, ‘Er’ will be displayed on the LCD. Dispose of this device separately from household waste at an official collection point.