Instructions / Assembly

3
INSTALLER MENU 
To prevent changes that may aect system performance, this thermostat has an INSTALLER 
MENU and a USER MENU. The INSTALLER MENU provides access to every option, while the 
USER MENU provides access to items that will not aect system performance. To access the 
INSTALLER MENU press the Menu button for 8 seconds. The display will show item 05 in the 
table below. Use Next and Back to navigate through menu items. Press   or   to change a 
menu setting. 
Installer Menu #
(Hold Menu 8 Seconds) 
Description
Default Setting 
(ashing icons)
Settings 
(Press   or  )
05
Outdoor Equipment: selects air 
conditioner (AC) or heat pump (HP) 
equipment as well as the number of 
stage
AC2
AC0
AC1
AC2
HP1
HP2
10
Indoor Equipment: selects whether 
the equipment is a gas furnace, elec-
tric furnace or fan only
EL2
FAN
GA1
GA2
EL1
EL2
15
Dedicated Emergency: W/E only 
operates in Emergency Aux mode. W2 
becomes 1st stage Aux. Heat
OFF
On
OFF
20
O,B or 3 Wire Zone Valve Selection
O
O
B
3
30 
Heat Cycle Rate: how often 
the heat will turn on
MEd
SLO – slow
MEd – medium
FAS – fast
32 
Aux Cycle Rate: how often the 
auxiliary heat will turn on
MEd
SLO – slow
MEd – medium
FAS – fast
35 
Cool Cycle Rate: how often 
the cooling will turn on
MEd
SLO – slow
MEd – medium
FAS – fast
50 
Compressor Lockout: 
protects the compressor 
from short cycling
OFF
On – 5 minute delay 
OFF – no delay 
65
Max Heat Limit: maximum set point 
for heat mode
99
47 to 99
66
Minimum Cool Limit: minimum set 
point for cool mode 
45 45 to 97
RC/RH Jumper Wire 
  This thermostat electrically connects 
the RC and RH terminals so a jumper 
wire is not required. If the application 
provides a separate wire for RC and 
RH, clip the RC/RH jumper. This will 
isolate both terminals so they can be 
independently used. 
Baery Locaon
Premium AA alkaline batteries are 
required when C-wire is not available. 
When C-wire is available, the batteries 
provide a back-up source of power 
(this will maintain the clock in the 
event of a power outage).
4
TEST EQUIPMENT
Turn on power to the system. 
Fan Operation 
If your system does not have a G terminal connection, skip to Heating System. 
1.)  Press the fan button to select the On position. The blower should begin to operate. 
2.)  Press the fan button to select the Auto position. The blower should stop immediately. 
Heating System
1.)  Press the System button to select the Heat position. Heat Pumps only - if the auxiliary 
heating system has a standing pilot, be sure to light it. 
2.) Press   to adjust thermostat setting to 1° above room temperature. The heating system 
should begin to operate and the thermostat will indicate Heat On. 
3.) For heat pumps with auxiliary- Press   to adjust thermostat setting to 3° above room 
temperature. The auxiliary heat should begin to operate and the thermostat will indicate 
Heat On Aux.
4.) Press   to adjust thermostat setting 1° below room temperature. The heating system 
should stop operating and the Heat On icon will disappear.
Auxiliary System ( only for heat pumps with auxiliary) 
1.)  Press the system button to select the Aux position. This bypasses the heat pump and 
runs auxiliary only heat.
2.) Press   to adjust thermostat setting to 1° above room temperature. The auxiliary heating 
system should begin to operate and the thermostat will indicate Heat On Aux. 
3.) Press   to adjust thermostat setting 1° below room temperature. The auxiliary heating 
system should stop operating and the Heat On Aux icon will disappear.
Cooling System
1.) Press the system button to select the Cool position. 
2.) Press   to adjust thermostat setting 1° below room temperature. The blower should 
come on immediately on high speed, followed by cold air circulation. The thermostat will 
indicate Cool On. There can be up to a 5 minute delay. (see INSTALLER MENU, item 50) 
3.) Press   to adjust thermostat setting to 1° above room temperature. The cooling system 
should stop operating and the Cool On icon will disappear.
Installer’s Menu #
(Hold Menu 8 Seconds) 
Description
Default Setting 
(ashing icons)
Settings 
(Press   or )
79
Fahrenheit or Celsius °F
°F – Fahrenheit
°C – Celsius
81 
Temperature Display Adjustment: 
adjust the displayed “Room 
Temperature”
0 -5 to +5
83
Continuous Display Light: keep 
the backlight always on – “C” wire 
required
OFF
On  – always on
OFF – momentarily
88
Auto Changeover: thermostat 
automatically switches between 
heat and cool.
OFF
On  – enable auto
OFF – disable auto
99 
Keypad Lock: prevent unwanted 
changes to the thermostat
OFF
On  – disable buttons
OFF – all buttons are active 
INSTALLER MENU (C0ntinued)
Note: If Starting Soon is shown on the display, the compressor lockout feature is operating. There will 
be up to a 5 minute delay before the compressor turns on (see INSTALLER MENU, item 50).




