WLCG/WLHG
High-Wall Air Handlers
• Installation, Operation and Maintenance Manual •
P/N 240008111, Rev. G [06/18/10]
23
Setup options for WLCG/WLHG high-wall air handlers
Figure 29
Item
Display
Possible Value
(flashing)
Factory
Settings
Overview
Louver
position
Lou
01, 02,
03, 04,
05, 06,
or Auto
01
The louver is closed when the fan is off.
If set to AUTO, the louver oscillates through all positions during fan
operation, then closes.
The other settings are six fixed positions for the louver — the louver moves to
this position and remains there during fan operation, then closes.
To access using unit-mounted keypad:
Press and hold FAN button for 10 seconds; use arrow keys to
select position; save selection by pressing FAN again momentarily or let idle for 10 seconds to save and
exit automatically
To access using handheld remote:
Press LOUVER button to access; each additional press of the
LOUVER button changes the selection one position; stop pressing when selection is reached, or leave
idle for 10 seconds to save and exit automatically
Item
Display
Overview
Test mode
tSt
Use this mode to reduce cylce times by 1/4 allowing quicker operational testing.
CAUTION — DO NOT
cycle the unit quickly while in test mode — the compressor can be damaged
by rapid cycling.
Access using unit-mounted keypad only:
Turn the unit off with the ON/OFF button; press and hold
ON/OFF, PROG and TIME simultaneously for three seconds; exit test mode by repeating the button
press or by cycling the main power to the unit off, then on again.
Item
Setting
Values
Overview
7-Day
programming
(use Table 4, Page 24
to record settings)
Day of week
Mon, Tue, Wed,
Thu, Fri, Sat, Sun
The louver is closed when the fan is off.
Period of day
Morning
Day
Evening
Night
The periods provide four time settings to initiate a change in cooling/heating
setpoints. They allow adjustments for setback (such as night setback, daytime
setback and occupied settings for residential applications). Set the hour/
minute for each time as well as the cooling and heating setpoints below.
Hour
0–12 a
0–12 p
Set the time to begin the period.
Minute
0–59
Cooling setpoint 55–90°F (13-32°C)
The unit will default to this setpoint when set to Cooling in pre-programmed
run mode.
Heating setpoint 55–90°F (13-32°C)
The unit will default to this setpoint when set to Heating in pre-programmed
run mode.
Auto setpoint
55–90°F (13-32°C)
The unit will default to this setpoint when set to Auto in pre-programmed run
mode. (The unit will auto changeover between heating and cooling.)
Access using unit-mounted keypad only:
Press and hold PROG and TIME buttons simultaneously for
3 seconds; use arrow keys to select position; save selection and exit by repeating the button press or
leave idle for 20 seconds to save and exit automatically
Navigating through settings:
Press PROG to move to the next setting or MODE to move to the
previous setting; to change values, use the arrow keys; when value is reached move to the next setting
using the PROG or MODE button; values are stored on exit from programming mode
Setting the Controller
(continued)
