EMI WLHA - Manual (Page 6)

www.enviromaster.com WLCA/WLHA High Wall Evaporator 6
Electrical Wiring site preparation
All wiring should be in accordance with the
National Electric Code (NEC) and the local
building codes.
1. Make sure power is off.
2. Check the unit rating plate for circuit am-
pacity and breaker or time delay fuse size.
Use only HACr type breakers. Select
the proper wire for the ampacity rating.
3. Each unit must have a separate branch
circuit protected by a time delay fuse or
breaker. Refer to the unit rating plate
2. Lift and remove the front grill to expose
the third screw.
1. T
he left end cap of the unit needs to be
removed to access wiring diagram and
electrical wiring. This entails removal of
three screws.
Locate Electrical Wiring
for the proper wire and breaker or time
delay fuse size.
4. Inspect the existing wiring for any defects
such as cut or frayed wires. Replace if
any such wiring if found.
NOTE: On units rated 208/230V, the
primary side of the transformer is
factory wired for 230V. For a 208V
power supply, the transformer tap
must be changed from orange to
red. Refer to the wiring diagram
located on the inside of the left end
cap of the unit.
3. Once the screws are removed,
slide the left end cap
off to expose control
box and locate the
wiring diagram on
the inside of the
end cap.
c
ontrol box Remove screw
Helpfull Hint:
Prior to re-
m o v e i n g
the endcap
and bottom
use a small
board to prop
the unit away
from the wall.
Board
WLCA/WLHA HiGH WALL EVAporAtor instALLAtion instrUCtions