Installation and User Guide
2
Part No. 37-7760003
09-2018 18-HD48D1-1A-EN
WARNING
!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLING OR OPERATING THIS
CONTROL COULD CAUSE PERSONAL INJURY AND/OR
PROPERTY DAMAGE.
This information is intended for use by individuals possessing
adequate backgrounds of electrical, mechanical, HVAC and
experience. Any attempt to repair a HVAC system may result in
personal injury and/or property damage. The manufacturer or seller
cannot be responsible for the interpretation of this information, nor
can it assume any liability in connection with its use.
LIVE ELECTRICAL COMPONENTS!
During installation, testing, servicing, and troubleshooting of
this product, it may be necessary to work with live electrical
components. Failure to follow all electrical safety precautions
when exposed to live electrical components could result in death
or serious injury.
Thermostat installation and all components of the control system
shall conform to Class II circuits per the NEC code.
CAUTION
!
To prevent electrical shock and/or equipment damage,
disconnect electric power to system at main fuse or circuit
breaker box until installation is complete.
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product may
replace a product that contains mercury.
Mercury and products containing mercury must not be discarded in
household trash. Do not touch any spilled mercury. Wearing non-
absorbent gloves, clean up any spilled mercury and place in a sealed
container. For proper disposal of a product containing mercury or a
sealed container of spilled mercury, place it in a suitable shipping
container. Refer to www.thermostat-recycle.org for location to send the
product containing mercury.
NOTE: Use 18-gauge color-coded thermostat cable for proper
wiring. Shielded cable is not typically required.
Keep this wiring at least one foot away from large inductive loads
such as Electronic Air Cleaners, motors, line starters, lighting
ballasts and large distribution panels. Failure to follow these wiring
practices may introduce electrical interference (noise) which can
cause erratic system operation.
All unused thermostat wire to be grounded at indoor unit chassis
ground only. Shielded cable may be required if the above wiring
guidelines cannot be met. Ground only one end of the shield to the
system chassis.
1.
Safety ............................................................................................2
2. Product Specifications ................................................................3
3. General Information ....................................................................3
3.1 Overview .........................................................................3
3.2 Contents .........................................................................3
3.3 Accessories ....................................................................3
4. Installation ...................................................................................4
4.1 Location ..........................................................................4
Figure 1: Placement
4.2 Mounting .........................................................................4
4.3
Battery Location .............................................................4
4.4
Power Stealing Switch ...................................................4
4.5
Heat/Cool Applications ..................................................5
Figure 2: Thermostat Base Plate
Figure 3: Terminal Designations Single State or Multi-
Stage
System: Heat / Cool Systems
Figure 4: Heat Pump Systems
5
Wiring Diagrams
1 or 2 Stage AC with TAM9 or TAM7 ...........................................6
1 Stage AC with TEM3, TEM4, GAT2, GAM2 ...............................6
1 or 2 Stage AC with TEM6 ..........................................................7
1 or 2 Stage AC with GAM5B ......................................................7
AC / Cooling with GAF2-S ...........................................................8
1 or 2 Stage Heat Pump with TAM9 or TAM7 .............................8
2 Stage Heat Pump with GAM5B ................................................9
1 or 2 Stage Heat Pump with Variable Speed Furnace .............9
1 or 2 Stage Heat Pump with S9V2 Furnace ...........................10
1 or 2 Stage Heat Pump with TAM4, GAM5A, GAF2-36M .......10
1 or 2 Stage Heat / Cool Pkg Unit with VSB ............................11
HP Pkg Unit with Non-Variable SB ...........................................11
1 Stage Heat Pump with GAF2-s ......................................................12
Package Heat / Cool Unit ..................................................................12
6. Thermostat Quick Reference ....................................................13
7. Installer Configuration Menu ...............................................14-18
8. User Guide .................................................................................19
8.1
Fan Operation ...............................................................19
8.2
Heating ..........................................................................19
8.3
Humidifier Option .........................................................19
8.4
Emergency Mode (Heat) ..............................................19
8.5 Cooling ..........................................................................19
8.6
Cooling Dehumidification ...........................................19
8.7
Fan Settings .................................................................19
8.8
System Setting .............................................................20
8.9
Manual Operation (Non-Programmable Mode) ..........20
8.10 Manual Operation (Programmable Mode) ..................20
8.11 Program Override ........................................................20
9. Programming .................................................................................
9.1
Setting Time and Day ...................................................20
9.1.1 Automatic Daylight Saving Calculation .....................20
9.2
Programming Tip ..........................................................20
9.3
Enter the Heating Program .........................................21
9.4
Enter the Cooling Program .........................................21
9.5
Automatic Schedule
10. Planning Your Program .............................................................21
Worksheet for Re-Programming .............................................22
11 Wired Remote Temperature Sensing. ......................................23
11.1 Averaging or Weighting Remote Sensors ..................23
11.2 Dual Fuel Temperature Setpoint .................................23
11.3 Blower Blance Point for Heating ................................23
Trouble Shooting ...............................................................................24
Contents
1. Safety
