legrand WZ3TSTATH Integrated Smart Thermostat and Room Gateway Instruction Manual

June 6, 2024
Legrand

legrand WZ3TSTATH Integrated Smart Thermostat and Room Gateway Instruction Manual
legrand WZ3TSTATH Integrated Smart Thermostat and Room
Gateway

READ & SAVE THESE INSTRUCTIONS! 

WARNING

To reduce the risk of fire, electric shock, or product damage, do not expose this apparatus to rain, moisture, immersion, dripping or splashing. No objects filled with liquids, such as vases, should be placed on this apparatus

CAUTION

  • Do not obstruct the unit’s ventilation openings with curtains, fabrics, and similar items.
  • Do not place sources of open flames such as candles on the unit.
  • Do not place in areas of direct heating or cooling vents
  • 5.2 GHz band is restricted to indoor use only.

Purpose of Control: Operating Control
TYPE 1 or TYPE 2 Action: TYPE 1.C
External Pollution Situation: Pollution Degree 2
Rated Impulse Voltage: 330V

IMPORTANT SAFETY INSTRUCTIONS

Read these operating instructions carefully before using the unit. Follow the safety instructions on the unit and the applicable safety instructions listed below. Keep these instructions for future reference.

  1. Read these instructions.
  2. Keep these instructions.
  3. Heed all warnings.
  4. Follow the instructions.
  5. Do not use this apparatus in or near water.
  6. Clean only with a dry cloth.
  7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
  8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  9. Use only attachments/accessories specified by the manufacturer.
  10. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power plug damage, liquid spills or objects falling onto the apparatus. Also, if the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

System overview

The WZ3TSTATH is an integrated smart thermostat and room gateway that enables new user experiences for today’s smart hotel rooms. It is intended to be installed by trained installers and requires integration into an Enseo hospitality system.

System overview

Indicators

Temperature – Indicates the current room temperature. Display can be in
Fahrenheit or Celsius. The temperature decimal is used in Celsius mode
System Off – Indicates that the HVAC system is off
Auto – Indicates that the HVAC is in auto mode. Note: Auto and Off are exclusive of each other
Set Temperature – Indicates set point temperature for thermostat
Room Temperature – Indicates current room temperature
Fan Speed – Indicates fan speed. Indicators are speeds 1-3 and Auto.

End User Input & Operations 

Power/Modes

Item Description Default
Power / Modes
  1. When system power up, it will first enter sleep mode.
  2. Proximity triggers the system into wakeup mode.
  3. Press to power on the HVAC system into Auto mode.

| Off
F/C|

  1. Press once, select the C, Celsius mode.
  2. Press again, toggle to F, Fahrenheit mode.
  3. When user change to C or F, the corresponding room temperature and set point temperature needs to be updated
  4. The F/C button only active at wakeup mode

| F
Fan|

  1. Fan speed. Press to toggle between Auto->1->2->3 if HVAC system is at auto mode.

| ****

Auto

Increase| Press increase shall increase the set point temperature of Auto Mode. Each step is 1 degree in F or 0.5 degree in C mode)

When the user touches the temperature increase button, the display will switch to the current set point temperature. It can be modified using the increase/decrease buttons. After 3 seconds of inactivity the system will set the last set point temperature.

| 68F or 20C
Decrease| Press decrease shall decrease the set point temperature of Auto Mode. Each step is 1 degree in F or 0.5 degree in C mode) When the user touches the temperature decrease button, the display will switch to the current set point temperature.

It can be modified using the increase/decrease buttons. After 3 seconds of inactivity the system will set the last set point temperature.

| 68F or 20C

INSTALLATION

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.

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.

Flush Mounting

Flush Mounting
Figure 3 – Flush Mounting

Applicable Legrand Double Gang Boxes

New Work Plastic| S235RAC
New Work Steel Stud| S235S50AC
Screw Steel Stud| S235RACS
Old Work Plastic| S232W

Wall Mounting

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.

Wall Mounting
Figure 4 – Wall Mounting

Wiring

The WZ3TSTATHx Thermostat can connect to various different types of HVAC systems. It utilizes 4 different wiring harness to access specific features.

Wiring
Figure 5 – Wiring Harness Locations

Harness 1 – Main Harness PN WATSTATH101

Pin Number Function Color
1 Ground Green
2 24 VAC Red
3 Common Black
4 High Fan Blue
5 Medium Fan or Second Stage Heat Brown
6 Cold Water Valve or Compressor Signal (Heat Pump) Yellow
7 Hot Water Valve or Reversing Valve (Heat Pump) White
8 Valve Power Grey
9 Fan Power Violet
10 Low Fan Orange

Harness 2 – Digital Wiring Harness PN WATSTATH201

Pin Number Function Color
1 Analog Input – Remote Thermistor Grey
2 Analog Output – 0-10V VFD Fan Purple
3 Digital Input 3 – External PIR/motion sensor Blue

4

| Digital Input 2 – Balcony Door/Window, 2 transitions to active| ****

Green

5| Digital Input 1 – Entry Door, 2 transitions to active| Yellow
6| Not Used| Orange
7| VEE (12 Vdc)| Red
8| GND Ground| Brown

Harness 3 – RS485 PN WATSTATH301

Pin Number Function Color
1 RS-485 A (-) Black
2 RS-485 B (+) Red
3 GND Green

Harness 4 – Damper PN WATSTATH401

Pin Number Function Color
1 Reserved no connection N/A
2 TER_Dam R 24 VAC Red
3 TER Dam No Normally Open White
4 TER Dam No Normally Closed Black

Wiring Diagrams

Diagram 1 – 24VAC 4-Pipe FCU – Maestro App Type 3F 1S H/C

Wiring Diagrams

Diagram 2 – HpB Single Stage Heat 24VAC – Maestro App Type 3F HpB-1SH

Wiring Diagrams

Diagram 3 – HpO Single Stage Heat 24VAC – Maestro App Type 3F HpO-1SH

Wiring Diagrams

Diagram 4 – HpB Second Stage Heat 24VAC – Maestro App Type 2F HpB-2SH

Wiring Diagrams

Diagram 5 – HpO Second Stage Heat 24VAC – Maestro App Type 2F HpO-2SH

Wiring Diagrams

Diagram 6 – VFD & Heat/Cool – Maestro App Type VFD HC

Wiring Diagrams

Diagram 7 – 3 Fan &Cool – Maestro App Type 3F C

Wiring Diagrams

Diagram 8 – 2 Pipe Cool with Electric Heat – Maestro App Type 3F C+EH

Wiring Diagrams

Diagram 9 – VRF – Maestro App Type VRF

Wiring Diagrams

Diagram 10 – Damper

Wiring Diagrams

INITIAL SETUP

Before going through initial setup, please make certain that the thermostat is properly mounted to the wall. When the thermostat is initially powered up the factory defaults are set to disable any calls for heat, cool, or fan speeds to protect any HVAC equipment. Settings for HVAC equipment type is done via the Enseo’s Maestro Installation tools. Documentation for those tools are available from Enseo and are outside the scope of this installation document.

Settings Configurations From The Thermostat UI

Changing Room Temperature
From the user interface select the Arrow up or Arrow down button to adjust the temperature

Change Thermostat Modes
Thermostat modes can be adjusted by pressing the Mode button in the upper right

Change Fahrenheit / Celsius
The unit of measure can be changed by pressing the F/C button on the mid left portion of the user interface.

Change Fan
Fan speed can be changed by pressing fan icon on the lower left. Speeds can be change set to function automatically (Auto) or Low (1), Medium (2) or High (3)

Change Set-point Heat
Set-point heat is set by pressing the mode button until the indicator above the temperature readout says Heat. Using the Up and down arrows modify the set-point as desired.

Change Set-point Cool
Set-point Cool is set by pressing the mode button until the indicator above the temperature readout says cool. Using the Up and down arrows modify the set-point as desired.

Change Backlight Control
Please reference Maestro user instructions for changes to backlight settings.

Advanced Settings

Wi-Fi Settings
Out of the box the thermostat will default in its AP mode waiting to be configured by the Enseo Maestro provisioning tool. The Maestro tool will scan the installation QR code on the thermostat.

Zigbee Settings
Zigbee settings are controlled via the Enseo Maestro provisioning tool. Please reference the Enseo Maestro APP for more details.

LED Display Brightness
Ambient light settings are controlled via the Enseo Maestro provisioning tool. Please reference the Enseo Maestro APP for more details.

Factory Reset

Press and hold the reset button in hole in the upper left of the Thermostat while it is powered up. Once depressed the thermostat will reset

Factory Reset

A. DEFAULT SETTINGS LIST


Function

| Default **Value*
---|---
COMFORT CONTROL**
Guest Selectable Temperature Control Limits (rented/occupied) – Low| 80 F
Guest Selectable Temperature Control Limits (rented/occupied) – High| 60 F
LEM Guest Selectable Temperature Control Limits (rented/occupied) – Low| 85 F
LEM Guest Selectable Temperature Control Limits (rented/occupied) – High| 72 F
Check-in temperature| 72 F


Default Thermostat Dormant Mode Display

| Set Point
ENERGY CONSERVATION
Rented Room – Temperature Clipping Heating| 85 F
Rented Room – Temperature Clipping Cooling| 55 F
Occupied Mode Temperature Control Delta| 1 F
Rented / Unoccupied Setback Temperature Variance (Delta from Guest selected Temperature Setting)| ****

4 F

Function **Default Value***

HVAC EQUIPMENT OPERATION
Latent Heat Blowout| 45 seconds
Latent Cool Blowout| 45 seconds
Fan Operation When Temperature is Satisfied (Occupied Room)| ****

Fan Off

Fan operation Unoccupied / Satisfied| Fan Off
Fan operation Unoccupied /HVAC Off| Fan Off
EXPOSURE
Time Delay for Balcony Door Exposure| 30 seconds
Disable Fan| Operate as satisfied
Disable Cooling| Apply cool at danger high
Disable Heating| Apply heat at danger low
Function| Default Value
---|---
TEMPERATURE CONTROL
Thermostat Off low limits| 50 F
Thermostat Off high limits| 90 F
Un-rented / Un-Occupied temperature low limits (no PMS Present)| 62 F
Un-rented / Un-Occupied temperature high limits (no PMS Present| 80 F
User interface mode configuration for manual heat / cool with no auto| No
User Interface mode configuration for manual heat / cool| No
Function| Default Value

---|---
OCCUPANCY
Guest Occupancy Timeout with Door Sensor| 10 min

800-223-4185
1.877.BY.LEGRAND
www.legrand.us
www.legrand.ca

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For the latest version of this document please visit:
https://www.legrand.us/wiring-devices/smart-lighting/smart-hospitality/smart- thermostat-with-zigbee-3.0-hub/p/wz3tstathbk

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