Lennox International Inc. WING - Manual (Page 6)

4
(*) Configuration from factory..
MODEL
COOLING ONLY
(*)
HEAT PUMP
SWITCH
1 2
ON OFF
ON ON
Switch 1
Switch 2
ON OFF
IMPORTANT
Prior of making the electrical connections,
set the switch for heat pump unit or for cooling only unit.
This unit is valid for operating as a cold only or heat pump application.
The unit should be configured prior to making the electrical connections, by setting the configuration
switch as follows:
NOTE:
If errors are made during the configuration of the system, switch off the main power supply, set
configuration switch in the correct position and then switch the power on.
SYSTEM CONFIGURATION (INDOOR UNIT)
Check page 8 for more information about the situation of this switch.