WLCG/WLHG
High-Wall Air Handlers
• Installation, Operation and Maintenance Manual •
Comfort where it counts
4
P/N 240008111, Rev. G [06/18/10]
NOTICE
Check equipment for damage prior
to installation, if damaged contact the
wholesale distributor.
Product description
The WLCG/WLHG is available as a
•
(DX) direct expansion straight cool or
heat pump.
It offers a contemporary design in a
•
ductless type air handler and combines
attractive appearance with high efficiency
conditioning for small to medium size
commercial or residential spaces.
The WLCG/WLHG is equipped with
•
unit mounted infrared compatible con-
trols which also supports 24V wall ther-
mostat operation. Optional handheld
remote is available.
Heat pump models provide up to
•
24,000 Btuh of cooling and 20,600 Btuh
of heating. Electric heat options are
available for up to 5 kW of supplemental
heat.
This air handler offers ease of installation,
•
operation, and service.
It can be matched with EMI’s:
•
Single-zone condensing units —
–
S1CG/S1HG 09–24 and S1CG
30-36.
Dual-zone condensing units —
–
S2CH/S2HH side discharge.
Multi-zone, top discharge condens-
–
ing units — T2CG/T2HG, T3CG/
T3HG, or T4CG/T4HG.
All EMI air handlers are backed by ECR
•
International Inc. and are tested, rated,
and certified in accordance with AHRI
standards 210/240-2008 and UL 1995.
Verify Unit Before Installing
Controls and components
(Factory-installed or supplied)
Large LCD Backlit Display
•
Single unit-mounted control package,
•
configurable to either unit mount or wall
thermostat operation, increasing installa-
tion flexibility.
NOTICE
Unit mount control —
If the control is
configured for unit mount control DO
NOT connect a wall thermostat to the
unit. See Figure 28, Page 22.
Unit mount control can be used in cool-
•
ing only, cooling with electric heat, heat
pump, or heat pump with second stage
electric heat applications.
Operational range set point temperature
•
adjustable between 55°F(13°C) and 90°F
(32°C)in one-degree increments.
Infrared-compatible controller allows use
•
of optional IR hand held controller.
NOTICE
Unit-mounted controls are fully func-
tional without the handheld remote.
Operation modes include Heat, Cool,
•
Dry, Fan and Auto Change-over.
Fan Operation – Auto/On. High or Low
•
speed fan
Fan Purge – Fan remains on for 60 sec-
•
onds after Heat/Cool call is dropped for
improved efficiency (Auto mode only)
Room air sampling — Selectable time
•
intervals ensure the fan will cycle on peri-
odically, in Auto Fan Mode to help elimi-
nate room temperature stratification.
Selectable Fahrenheit (°F) or Celsius (°C)
•
temperature scale.
Dry mode – Operates cooling and electric
•
heat simultaneously to remove humidity.
Optional electric heat must be selected.
Anti-Short Cycle Compressor Protec-
•
tion.
