PELICAN TC4 Commercial Connected Thermostat Installation Guide

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

PELICAN  

Model: TC4  

Commercial Connected Thermostat  

with Humidity and CO2  

Installation Guide  

!

Before you start  

Review all instructions before starting to avoid discovering or creating any  

issues during installation. This thermostat is designed to be installed on 24V  

AC systems only.  

This thermostat is designed to be installed by a licensed professional.  

A Pelican Gateway must be used with this thermostat. The thermostat cannot  

be configured or managed without the gateway. We recommend installing  

the gateway prior to installing this product.  

Installation Location  

NEVER INSTALL IN AN ENCLOSED METAL BOX OR ON A METAL SURFACE.  

Install in a location where it can communicate with the Pelican wireless mesh  

network.  

Install 48" to 60" from the floor in the room where it will be maintaining the  

temperature.  

Install on an interior wall away from doors, filing cabinets, electrical  

equipment, or other metal objects.  

Do not install on a metal surface or inside a metal enclosure.  

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	PELICAN TC4 Commercial Connected Thermostat Installation Guide
Make	Pelican
Language	English
Filetype	PDF (Download)
File size	0.35 MB

Download PDF

(1 votes, average: 5.00 out of 5)

Loading...

• ALL THERMOSTAT INSTRUCTIONS & USER MANUALS
• Pelican

PELICAN TC4 Commercial Connected Thermostat Installation Guide Overview

Summary of Contents

• Page 1: Model: TC4 Commercial connected thermostat with humidity and CO2 Installation guide Before you start Review all instructions before starting to avoid discovering or creating any issues during installation. This thermostat is designed to be installed on 24V AC systems only. This thermostat is designed to be installed by a licensed professional. A Pelican Gateway must be used with this thermostat. The thermostat cannot be configured or managed without the gateway. Installation location Never install in an enclosed metal box or on a metal surface. Install in a location where it can communicate with the Pelican wireless mesh network. Install 48 to 60 from the floor in the room where it will be maintaining the temperature. Install on an interior wall away from doors, filing cabinets, electrical equipment, or other metal objects.
• Page 2: Turn off power to the equipment this thermostat is going to be wired to. Either power off at the circuit breaker panel or by turning off the master power at a local disconnect. Remove the cover from the old thermostat and either take a picture or label the wires as a guide for wiring the new Pelican thermostat. Uninstall the old thermostat and set aside. This Pelican thermostat is designed to either mount flush on the wall or on a vertical 1-gang electrical box. Choose a mounting location where the thermostat is at least 48 to 60 above the floor. Choose a mounting location where the thermostat is on an interior wall. Choose a mounting location where it can detect the temperature of the room it will be maintaining. Choose a mounting location that is away from sun exposure or airflow drafts. Do not install in direct sunlight.
• Page 3: Air blocking shield Before mounting the backplate to the wall, insert the airflow shield into the backplate to help prevent unusual airflows from affecting the thermostat’s temperature accuracy. Align the air shield with the backplate’s center hole. It will only align in one orientation, never force it into place. Press the shield into the back plate until it holds. Make sure the shield is fully inserted into the back plate for best results. Run wires into thermostat backplate. Pass the thermostat wire through the designated opening in the air shield. While modifying the air shield is not recommended, if the wire cannot be easily pulled through the provided hole, you may carefully use a box cutter or scissors to slightly enlarge the opening for better flexibility. Cuts can be made with minimal effect on the integrity of the air shield.
• Page 4: Attach thermostat backplate to wall using included screws. Follow examples for electrical box or direct wall installation. Drill two 3/16 holes if using drywall anchors. Install provided drywall anchors if required. Use provided machine screws or sheet metal screws. Connect wires to thermostat backplate to complete installation. Refer to wiring diagrams on Pages 8–15 for common thermostat wiring. For wiring outside of the installation guide, contact Pelican Support. Follow steps on Page 5 for limited wiring applications without a Common [C] wire.
• Page 5: Limited wire installation allows control of the HVAC system without new wiring. The Wiring Module requires at least three wires between the thermostat and itself. Unshielded wire is acceptable for this installation. The maximum distance supported between the Wiring Module and the thermostat is 500 feet. Step 1 involves removing the Wiring Module from the thermostat’s back plate. Loosen the (R), (C), and (D) terminals on the Wiring Module to remove it. Step 2 requires installing the Wiring Module in the HVAC equipment. Secure the Wiring Module with a sheet metal screw. Connect the Wiring Module’s terminals to the HVAC control board’s low-voltage input terminals. Refer to the wiring diagrams on Pages 8–17 for common thermostat wiring.
• Page 6: Connect wiring module to thermostat using existing wires. Connect the (R), (C), and (D) terminals from the wiring module to the corresponding terminals on the thermostat’s back plate. Wiring module should be mounted at the control board. Maximum wire length is 500 feet. Unshielded 18 gauge thermostat wire is recommended. Thermostat back plate should be mounted in the room.
• Page 7: Attach the display. Write down the serial number displayed on the screen. Align the display with the back plate’s alignment pins. Turn on the power to the HVAC equipment connected to the thermostat. If your Pelican thermostat does not power on, refer to page 18 for troubleshooting. For instructions on setting up Conventional or Heat Pump control, refer to page 20. The thermostat has an internal locking mechanism that secures the display to the back plate. To engage the lock, insert a 1/8 flat-head screwdriver into the hole on the left side of the thermostat. Do not attempt to force the display off the back plate, as this could cause damage.
• Page 8: Wiring guides for conventional heating and cooling systems are found on pages 8-9. For heat pumps, refer to pages 10-11. Two-pipe fan coil information is available on pages 12-13. Four-pipe fan coil details can be found on pages 14-15. Humidity control instructions are on page 16. For zone damper control, consult the separate installation guide. If installations are not covered in this guide, stop installing the thermostat and contact support for assistance. The document includes terminal block designations for conventional and heat pump systems. It outlines connections for various stages of heating and cooling, as well as humidity control. Specific wiring details for two-pipe and four-pipe fan coils are provided.
• Page 9: Conventional heating and cooling systems can have up to 2 stages each. 2nd stage cooling is represented by Y2. 2nd stage heating is represented by W2. The supply fan is part of the system. 1st stage heating is represented by W. 1st stage cooling is represented by Y. 24 VAC common is indicated by C. 24 VAC power is indicated by R. Notes can be found on page 18.
• Page 10: Conventional heating and cooling systems include up to 1 stage cooling, 2 stages heating, and a 2-speed fan. Key components include high-speed supply fan, low-speed supply fan, and various stages of heating and cooling. Wiring designations include G for fan, W for heating, Y for cooling, C for common, and R for power. Additional notes can be found on page 18.
• Page 11: Heat pump systems 2nd stage compressor Auxiliary/emergency heat Supply fan Reversing valve 1st stage compressor 24 VAC common 24 VAC power Notes can be found on page 18.
• Page 12: Heat pump systems High speed supply fan Aux/Emergency heat Low speed supply fan Reversing valve 1st stage compressor 24 VAC common 24 VAC power Notes can be found on page 18.
• Page 13: Two-pipe fan coils Power-open/spring-return or floating water valve Aux/emergency heat W2 Supply fan Water valve close Water valve open 24 VAC common 24 VAC power Notes can be found on page 18 Contact Pelican Technical Support for thermostat configuration assistance
• Page 14: Two-pipe fan coils Power-open/spring-return water valve and 2 speed fan High speed supply fan Aux/emergency heat Low speed supply fan Water valve open 24 VAC common 24 VAC power Notes can be found on page 18 Contact Pelican Technical Support for thermostat configuration assistance
• Page 15: Four-pipe fan coils Power-open/spring-return or floating water valve Chilled water valve close Hot water/steam valve close Supply fan Hot water/steam valve open Chilled water valve open 24 VAC common 24 VAC power Notes can be found on page 18.
• Page 16: Four-pipe fan coils Power-open/spring-return water valves and 2 speed fan High speed supply fan Aux/emergency heat Low speed supply fan Hot water/steam valve open Chilled water valve open 24 VAC common 24 VAC power Notes can be found on page 18.
• Page 17: Humidity control involves both humidifying and dehumidifying processes. Dehumidifier and hot gas bypass can be enabled. Humidifier can also be enabled. Notes related to these functions can be found on page 18.
• Page 18: Connect to 24 VAC class 2 circuits only. Latching relays are rated for 24 VAC @ 2 amps continuous load. All wire to be installed by customer in accordance with local electrical codes. Use 18 gauge unshielded thermostat wire. If the Pelican thermostat does not power on, check that all wires are properly inserted into the terminal blocks at the thermostat and at the HVAC equipment. Use a multi-meter to ensure that 24 VAC power is being supplied by HVAC equipment. If 24 VAC is not found, check that the master power has been turned back on for the HVAC equipment or verify that the HVAC electrical breaker has not tripped. If you used the Wiring Module, use a multi-meter to ensure that 24 VAC power is found at the Wiring Module and the thermostat. If the thermostat still does not power on, contact Pelican technical support for further assistance. If the Pelican thermostat does not show up on the Pelican App, check the thermostat upper right hand corner.
• Page 19: If you see this symbol, then the thermostat is unable to connect to your Pelican Wireless Mesh Network. Verify your Pelican thermostat is not in a metal enclosure and that there are no metal structures/objects surrounding it. If you see this symbol, then the thermostat is connected to your Pelican Wireless Mesh Network, but your Pelican Gateway is unable to reach the Internet. Check your Pelican Gateway to verify it is installed, powered on, and has Internet connection. To access the thermostat info, touch the icon in the upper right hand corner of the screen. Serial Number is the unique identifier for this thermostat. Thermostat Name is a custom identifier for this thermostat. This identifies the thermostat’s current configuration and provides the ability to change this configuration between Conventional and Heat Pump. If humidity control is enabled, the thermostat’s humidity set-point will be shown under this heading. Humidity control configurations can be found in the Pelican App where other thermostat configurations are found.
• Page 20: Model number of the thermostat is specified. Alarm notifications indicate issues detected by icons in the upper right corner. The thermostat can be set to Conventional or Heat Pump control within the first 5 minutes after powering on. Configuration can also be adjusted anytime through the Pelican App. To access the configuration page, select the icon in the upper right corner of the screen. The default configuration is Conventional. To change the configuration, press the change button next to Configuration and select the desired option. The CO2 sensor is factory calibrated for accuracy within specified limits. The CO2 sensor auto-corrects drift with a baseline correction period of 24 hours plus 7 days. Allow up to two calibration cycles for sensor accuracy to establish.