- Pro Thermostat 855 User Manual Heat Pump Thermostat With Emergency Heat
- Pro Thermostat 855 User Manual Heat Pump Troubleshooting
INSTALLATION MANUAL
T855, Installation manual, Menu auto heat. Read online or download PDF. Pro1 T855i Installation manual User Manual Manuals Directory ManualsDir.com - online owner manuals library Search.
4
- This manual covers TopTech models: TT-S-855 and T855. INSTALLATION TIPS. Pick an installation location that is easy for the user to access. The temperature of the location. Thermostat for heat pump applications. Warning: All components of the control system and the thermostat.
- Pro1 IAQ T855 - T855 Universal Programmable 7 Day Single Stage Thermostat (2H/2C) - Single Stage Universal 2 Heat, 2 Cool 7 Day or 5/1/1 progammable Intuitive wake, leave, return, sleep programming icons Extra large, easy-to-read temperature display Auto Changeover 8 sq. Inch display Blue backlight Glow in the dark light button Programmable fan.
5-6
7-11
12-15
16
Installation Tips
Themostat Quick Reference
Subbase Installation
Wiring
Technician Setup Menu
Features and Specifications
2
3
Thermostat Applications Guide
Table of Contents
Page
Description
Gas or Oil Heat
Electric Furnace
Heat Pump (No Aux. or Emergency Heat)
Heat Pump (with Aux. or Emergency Heat)
Multi-stage Systems
Heat Only Systems
Cool Only Systems
Millivolt
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Hardwire (24 VAC Common Wire)
Power Type
1
Programming
Rev. 1429
A trained, experienced technician
must install this product.
Carefully read these instructions. You
could damage this product or cause a
hazardous condition if you fail to follow
these instructions.
Patents and Trademarks pending.
Copyright © 2013. All rights reserved.
Una versión en español de este
manual se puede descargar en la
página web de la compañía.
T855
i
MENU AUTO HEAT
Upstairs
Heat
Cool
Off
4
3
2
1
Power supply
Factory-installed jumper. Remove only when installing on 2-transformer systems
Use either O or B terminals for changeover valve
A 24 VAC common connection is required with this thermostat.
5
4
2
1
COMPRESSOR
RELAY
FAN RELAY
HEAT RELAY
C
R
L2
L1 (HOT)
Typical 2H/2C system: 1 transformer
Typical 2H/2C system: 2 transformer
COMPRESSOR
RELAY
FAN RELAY
HEAT RELAY
4
2
1
C
R
L2
L1 (HOT)
1
C
R
L2
L1 (HOT)
REMOVE JUMPER
Typical heat-only system
HEAT RELAY
4
2
1
C
R
L2
L1 (HOT)
FAN RELAY
4
2
1
C
R
L2
L1 (HOT)
COMPRESSOR
RELAY
Typical cool-only system
Typical heat-only system with fan
FAN RELAY
4
2
1
C
R
L2
L1 (HOT)
HEAT RELAY
Typical 3H/2C heat pump system
FAN RELAY
1
C
R
L2
L1 (HOT)
COMPRESSOR
RELAY
COOL CHANGE OVER
VALVE
4
Pro Thermostat 855 User Manual Heat Pump Thermostat With Emergency Heat
O
B
COMPRESSOR
RELAY 2
HEAT RELAY 2
COMPRESSOR
RELAY 2
HEAT RELAY 2
HEAT CHANGE OVER
VALVE
COMPRESSOR
RELAY 2
AUXILIARY
2
3
NOTE:
In many heat pump systems with no emergency heat relay a jumper can be installed between E and W2.
WIRING
EMERGENCY HEAT
RELAY