Conditions of Heat Pump Lockout (Set Point 70°F)
Operation Chart
The chart below shows the system functions. After the entire air conditioning and heating
system is installed, check each position function.
*There is a 3 minute anti-short cycle delay timer built into the thermostat.
Mode Call Operation
Fan Low No GL-Fan Low (Gray) energized
Fan Hi No GH-Fan High (Green) energized
Cool On
High No GH-Fan High (Green) energized
Cool On
High Yes GH-Fan High (Green) energized, Y-Compressor (Yellow) energized
Cool On
Low No GL-Fan Low (Gray) energized
Cool On
Low Yes GL-Fan Low (Gray), Y-Compressor (Yellow) energized
Cool Auto
Low No No function occurs
Cool Auto
Low Yes GL-Fan Low (Gray) energized, Y-Compressor (Yellow) energized
Cool Auto
High No No function occurs
Cool Auto
High Yes GH-Fan High (Green), Y-Compressor (Yellow) energized
Heat Gas No No function occurs
Heat Gas Yes W-Furnace (White) energized
Electric
Heat No No functions occur in this mode
Electric
Heat Yes WHP - Heat Pump (White/Black) will be energized
Electric
Heat
Backup
Yes (5°
Below
Setpoint)
WHP - Heat Pump (White/Black) and WF-Furnace (White) will be
energized
Indoor
Temp (°F)
Operation
of Unit
70+ No operation.
69 Heat pump turns on as primary heat source.
71 Heat pump turns off, thermostat is satised.
69 Heat pump turns on as primary heat source.
65 Gas heat turns on at 5 degrees from rst stage (heat pump cannot satisfy
demand). First Strike on backup counter.
71 Gas heat and heat pump turn off, thermostat is satised.
69 Heat pump turns on.
65 Gas heat turns on at 5 degrees below rst stage (heat pump cannot satisfy
demand). Second Strike on backup counter.
71 Gas heat and heat pump turn off, thermostat is satised.
69 Heat pump turns on.
65 Gas heat turns on at 5 degrees from rst stage (heat pump cannot satisfy
demand).
Third Strike on backup counter. Heat pump is locked out for 1 hr. 45 min.
Backup counter reset if heat pump runs for 20 minutes with no call for back up heat.
71 Gas furnace turns off, thermostat is satised.
69 Gas furnace turns on, primary heat source during lockout.
71 Gas furnace turns off, thermostat is satised.
1 hour 45 minute lockout ends.
69 Heat pump turns on and is restored to the primary heat source.
65 Gas furnace turns on and becomes the primary heat source. Heat pump
turns off for another 1 hour and 45 minutes.
71 Gas furnace turns off, thermostat is satised.
1 hour 45 minute lockout ends.
69 Heat pump turns on and resumes primary heat source function.
71 Heat pump turns off, thermostat is satised.
Conditions and example for resetting the backup counter
69 Heat pump turns on.
65 Gas heat turns on at 5 degrees from rst stage (heat pump cannot satisfy
demand).
First Strike on backup counter.
71 Gas heat and heat pump turn off, thermostat is satised.
69 Heat pump turns on.
65 Gas heat turns on at 5 degrees from rst stage (heat pump cannot satisfy
demand).
Second Strike on backup counter
71 Gas heat and heat pump turn off, thermostat is satised.
69 Heat pump turns on and runs for 20 minutes without a call for backup heat.
71 Heat pump turns off, thermostat is satised (backup counter reset).
69 Heat pump turns on.
65 Gas heat turns on at 5 degrees from rst stage (heat pump cannot satisfy
demand).
First strike on backup counter
Backup timer will reset anytime the Heat Pump operates for more than 20 minutes
and satises the thermostat without calling for backup heat.
ZONE NAME: Assigns a name or
description to the
thermostat (maximum of 7
characters).
THERMOSTAT ID: Displays thermostat’s
6 digit ID
FUNCTIONS: Displays available modes.
SET: Saves assigned zone name/
description.
CANCEL: Reverts to main screen.
REMOVE THERMOSTAT: Removes
thermostat from the RV Climate app.
Controlling the
thermostat via RV
Climate app
1. Slide screen to the left (2nd screen).
2. Tap the icon displaying the current
settings [Kitchen 75 FAN HIGH].
3. Select the desired temperature/mode.
4. Press “SET”.
Removing a previously paired thermostat
1. Using the RV Climate app, slide screen to the left (2nd screen).
2. Press .
3. On the following page select “REMOVE THERMOSTAT” and press “OK”.
Details (2nd Screen)
RV Products
A Division of Airxcel, Inc., P.O. Box 4020, Wichita, KS 67204
www.Airxcel.com LIAF253
This device complies with part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) This device may
not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause
undesired operation.
NOTE: This equipment has been tested and found to comply with the limits
for a Class A digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference in which case the user
will be required to correct the interference at his own expense.
Contains FCC ID: WAP4110