WLCG/WLHG
High-Wall Air Handlers
• Installation, Operation and Maintenance Manual •
Comfort where it counts
20
P/N 240008111, Rev. G [06/18/10]
WLCG/WLHG Controller Overview
Ductless Series unit-mounted controller — chassis-mounted keypad/display
Figure 26
ON/OFF
Press to turn on or off.
MODE
Press to change operating mode — toggles between Cool, Heat, Auto changeover,
Dry or Fan modes.
FAN
Press briefly to toggle fan speed between High, Low and Auto.
Press and hold for three seconds to set louver position
(see Figure 29, Page 23).
PROG
During operation — press to enter/exit pre-programmed mode
(see Figure 29,
Page 23).
During configuration — press to move backwards in menus.
TIME
With the unit ON, press and hold 3 seconds to enter time set mode — sets current
time of day.
TIMER
With the unit ON, press to enter or exit sleep timer mode. In sleep timer mode, the
unit will operate for 30 minutes, then turn OFF. The display will show TIMER.
During operation — use to increase or decrease the setpoint temperature.
During configuration, setup, etc. — use to increase or decrease the setting.
Holding the button will cause rapid change.
MODE + FAN
FILTER CHECK reset — Press both buttons and hold for 3 seconds to clear FILTER
CHECK
(see Figure 28, Page 22).
FAN + PROG
QUICK COPY — Press both buttons and hold for 3 seconds during 7-day program-
ming to copy the current day’s settings to all days
(see Figure 29, Page 23).
PROG + TIME
7-DAY PROGRAMMING — Press both buttons and hold for 3 seconds to enter
7-day programming mode
(see Figure 29, Page 23).
MODE + PROG
CONFIGURATION MODE — Press both buttons and hold for 10 seconds to enter
configuration mode
(see Figure 28, Page 22).
ON/OFF +
PROG + TIME
TEST MODE — Press all three buttons and hold for 3 seconds to enter test mode
(see Figure 29, Page 23).
