legrand WZ3TSTATH Thermostat Instruction Manual
GRN
RED
BLK
Ground
RS-485 B (+)
RS-485 A (-)
2. INSTALLATION
Header 3
The thermostat is typically mounted to an industry standard double gang
junction box or trim ring about 5 feet above the floor. Example Legrand
part numbers are shown in the chart below.
TER DAM R 24VAC
TER DAM NO Normal Closed
TER DAM NO Normal Open
Thermostats should be placed away from windows to avoid solar heating
to improperly affect the units temperature sensitivity. Be certain that the
thermostat will not be covered by objects such as a bathroom or closet
door when open. The thermostat should not be mounted near the heating/
cooling equipment in a manner where direct airflow, or the waterfall effect
of a heating or cooling unit would impact the measurement of the overall
room.
Header 2
Header 4
ORG
PPL
GRY
Low Fan
Fan Power
Valve Power
WHT
YEL
Heat Valve
Cool Valve
Header 1
Ground
GRN
RED
BLK
2.1 Flush Mounting
24V AC
Common
Not Used
BLU
BRN
High Fan
Med Fan
Analog Input
GRY
PPL
BLU
GRN
YEL
0-10V VFD Fan
Digital Input 3
Digital Input 2
Digital input 1
NOT USED
ORG
RED
12V DC
Ground
BRN
Figure 5 – Wiring Harness Locations
2.3.1 Harness 1 – Main Harness PN WATSTATH101
Pin Number
Function
Color
Green
Red
1
2
Ground
Figure 3 – Flush Mounting
24 VAC
3
Common
Black
Blue
Applicable Legrand Double Gang Boxes
4
High Fan
Medium Fan or Second Stage Heat
Cold Water Valve or Compressor Signal (Heat Pump)
Hot Water Valve or Reversing Valve (Heat Pump)
Valve Power
New Work Plastic
New Work Steel Stud
Screw Steel Stud
Old Work Plastic
S235RAC
S235S50AC
S235RACS
S232W
5
Brown
Yellow
White
Grey
6
7
8
2.2. Wall Mounting
9
Fan Power
Violet
Orange
The product may also be wall mounted using the included wall mount
bracket. The bracket can mount over a double gang wall box pattern or
secured appropriately to the wall using suitable fasteners.
10
Low Fan
2.3.2 Harness 2 – Digital Wiring Harness PN WATSTATH201
Pin Number
Function
Color
Grey
1
2
3
Analog Input - Remote Thermistor
Analog Output - 0-10V VFD Fan
Digital Input 3 - External PIR/motion sensor
Purple
Blue
Digital Input 2 - Balcony Door/Window, 2 transitions
to active
4
Green
5
6
7
8
Digital Input 1 - Entry Door, 2 transitions to active
Yellow
Orange
Red
Figure 4 – Wall Mounting
2.3. Wiring
The WZ3TSTATHx Thermostat can connect to various different types of
HVAC systems. It utilizes 4 different wiring harness to access specific
features.
Not Used
VEE (12 Vdc)
GND Ground
Brown
| General | Details |
|---|---|
| Name | legrand WZ3TSTATH Thermostat Instruction Manual |
| Make | Legrand |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.44 MB |
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