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EMI WLHG09 - Optional Equipment

EMI WLHG09
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WLCG/WLHG
High-Wall Air Handlers
Installation, Operation and Maintenance Manual
P/N 240008111, Rev. G [06/18/10] 5
Verify Unit Before Installing (continued)
Minimum on time for heating and cooling •
Helps eliminate room temperature droop
and system short cycling.
Freeze Protection Prevents air handler •
freeze up.
Test operation Allows ease of testing af-•
ter installation (all timers are reduced).
Non-volatile back-up memory will main-•
tain control seings for an indenite pe-
riod during a power outage. When power
is restored the equipment will resume
operation aer a three-minute compres-
sor time delay.
7-day programmable with copy feature.•
Filter change indicator: A timer feature •
indicates when the lter should be cleaned
according to the selected time.
Motorized supply louver with optional •
sweep or six stationary seings.
Modular design – reduces parts required •
for control package. Deco panel, relay
board, ribbon cables and microprocessor
are combined into one package.
Integral condensate pump safety-switch •
connection where-by the microproces-
sor monitors the condensate pump safety
switch and displays an error code when a
fault occurs. (Applies only with optional
condensate pump)
CEC (California Energy Commission) •
compliant
Condensate drain pan over ow protec-•
tion
Cabinet Features:
Durable ABS plastic cabinet with a galva-•
nized steel sub-chassis.
Easily accessible, washable, reusable, •
nylon mesh lter.
Horizontal discharge louver, constructed •
of high temperature ABS plastic, that can
be set to oscillate, or can be parked in six
pre-set positions.
Manually adjustable vertical discharge •
ns.
Easy access to pipe chase area from cabi-•
net boom allows piping connections and
condensate pump installation with the
unit mounted on the wall.
Easily removable end-cap for access to •
control area for installation and service.
Condensate drain pan constructed of gal-•
vanized steel (G90U), with anti-corrosion
coating.
Modular snap-in, 7-day programmable •
control with large backlit LCD display,
a Change lter” display feature and se-
lectable Fahrenheit (°F), or Celsius (°C)
temperature scale.
Optional Equipment
Condensate pump (eld installed only)•
24V wall thermostat •
Electric heat with automatic reset high •
temperature cutout and redundant high
temperature fuse link (when heat option
is selected, factory installed only)
Hand-held infrared controller.•
Installer Supplied Items
Low voltage wiring (18 AWG minimum •
required)
High voltage power supply wiring•
Mounting screws and fasteners•
Condensate piping•
Refrigerant piping (if not supplied)•
Refrigerant (for interconnect charge)•

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