Home > Pro1 Technologies > Pro1 Technologies T855iSH Wall Thermostat Instruction Manual

Pro1 Technologies T855iSH Wall Thermostat Instruction Manual

12

Installation Manual

Installation Tips

Wall Locations

The thermostat should be installed approximately 4 to 5 feet above the

ﬂoor. Select an area with average temperature and good air circulation.

T855iSH

Pro1 Technologies

P.O. Box 3377

Springﬁeld, MO 65808-3377

Toll Free: 888-776-1427

Web: www.pro1iaq.com

Hours of Operation: M-F 9AM - 6PM Eastern

Thermostat Application Guide

Power Type

Hardwire (Common Wire)

Description

Gas or Oil Heat

Yes

Electric Furnace

Heat Pump (No Aux. or Emergency Heat)

Heat Pump (With Aux. or Emergency Heat)

Multi-Stage Systems

Yes

A trained, experienced

technician must install this

product.

Heat Only Systems

Cool Only Systems

Millivolt

Yes

Wired Remote Sensing

Carefully read these

instructions. You could damage

this product or cause a

hazardous condition if you fail

to follow these instructions.

Any HVAC system up to 5H/3C with

standard low voltage controlled humidiﬁer.

Yes

Any HVAC system up to 5H/3C with standard

low voltage controlled de-humidiﬁer.

Do not install thermostat in these locations:

• Close to hot or cold air ducts

• That are in direct sunlight

• With an outside wall behind the thermostat

• In areas that do not require conditioning

• Where there are dead spots or drafts (in corners or behind doors)

• Where there might be concealed chimneys or pipes

Table of Contents

Page

Una version en espanol de este

manual se puede descargar en

la pagina web de la compania.

Installation Tips

Thermostat Quick Reference

Wiring

Wiring Diagrams

Technician Setup Menu

WIFI Tech Settings

Setting Humidity

Programming

2-4

5-8

9-10

11-14

15-33

35-37

38-43

Installation Tip

Features

Remote Sensor Operation

Speciﬁcations

Pick an installation location that is easy for the user to access. The temperature

of the location should be representative of the building.

U.S. Registered Trademark. Patents pending

Rev. 2028

Installation Tips

Subbase Installation

Mount Thermostat

For horizontal mount put one screw on

the left and one screw on the right.

Horizontal Mount

Vertical Mount

For vertical mount put one screw on

the top and one screw on the bottom.

Align the 4 tabs on the subbase with

corresponding slots on the back of the

thermostat, then push gently until the

thermostat snaps in place.

Installation Tip: Electrical Hazard

Failure to disconnect the power before beginning to install this product

can cause electrical shock or equipment damage.

Note: To ensure a solid ﬁt between the

thermostat and the subbase:

Mercury Notice

1. Mount subbase to a ﬂat wall

2. Use screws provided

3. Drywall anchors should be ﬂush with the wall

4. Wires should be pushed into the wall

All of our products are mercury free. However, if the product you are

replacing contains mercury, dispose of it properly. Your local waste

management authority can give you instructions on recycling and

proper disposal.

VIEW FULL SCREEN PDF MANUAL

General	Details
Name	Pro1 Technologies T855iSH Wall Thermostat Instruction Manual
Make	Pro1 Technologies
Language	English
Filetype	PDF (Download)
File size	0.59 MB

Download PDF

(1 votes, average: 5.00 out of 5)

Comments are closed.

Pro1 Technologies Instructions & User Manuals

Pro1 Technologies Pro1 T701i WiFi Thermostat Installation Guide

Pro1 Technologies T751 Non-Programmable Digital Thermostat Instruction Manual

Get the free PDF manual for the Pro1 Technologies T855iSH Wall Thermostat Instruction Manual and access setup steps, usage instructions, and troubleshooting tips. 👉 View online or download now to keep your thermostat running smoothly!

PRO1 T855iSH Manual: Questions and Answers

What are the installation location requirements for the PRO1 T855iSH?

Install approximately 4 to 5 feet above the floor in an area with average temperature and good air circulation.

Choose a location that is easy for the user to access.
Select an area with average temperature and good air circulation.
Avoid direct sunlight.
Avoid close proximity to hot or cold air ducts.
Do not place with an outside wall behind it.
Avoid dead spots, drafts, corners, and areas behind doors. Instruction Manual, p. 1

Can the PRO1 T855iSH support a system with five stages of heat and three stages of cool?

Yes. The 2H2C setting allows you to select from 1H/1C, 2H/1C, 2H/2C, 3H/1C, 3H/2C, 3H/3C, 4H/2C, 4H/3C, or 5H/3C. Heat and cool choices are limited based on whether the system is conventional, heat pump, or PTAC. Instruction Manual, p. 5

What does the lock icon mean on the PRO1 T855iSH display?

The lock indicates that keypad lockout is active. To unlock it, hold down the two buttons together for three seconds. Instruction Manual, p. 5

PRO1 T855iSH Setpoint Staging ON versus OFF, what's the difference?

ON keeps multiple stages of heat or cool energized until the setpoint is satisfied. OFF disables this behavior. Instruction Manual, p. 5

PRO1 T855iSH Minimum Compressor On Time setting, what does it control and what are the options?

Controls the minimum compressor run time. Options are OFF, 3, 4, or 5 minutes. If 3, 4, or 5 is selected, the compressor will run for at least that duration before turning off. Instruction Manual, p. 5