3
VOLTAGE MEASUREMENTS
Before connecting the unit, measure the supply voltage. Voltage
must fall within the voltage utilization range given in the following
table.
Unit Voltage
Rating
Minimum
Maximum
230/280
187
253
115
103
126
Voltage Utilization Range
Operating Voltage
INSTALLATION INSTRUCTIONS
To ensure that the unit operates safely and efficiently, it must be
installed, operated, and maintained according to these installa-
tion and operating instructions and all local codes and ordinances,
or, in their absence, with the latest edition of the National Electrical
Code. The proper installation of this unit is described in the follow-
ing sections. Following the steps in the order presented should
ensure proper installation.
SLEEVE INSTALLATION
In order for condensate water to drain properly inside the unit, the
sleeve must be installed properly:
•
Level from right to left.
•
A slight downward pitch from the indoor side to the outdoor
side as shown in Figure 3.
Refer to the Installation Instructions supplied with the wall sleeve
for a complete description of the installation procedure.
NOTE:
Wall sleeve is not shipped with chassis and
must be purchased separately.
Wall
Sleeve
Outside
Wall
Outside
Inside
Level
1/4 Bubble
Tilt To
Outside
Figure 3
CHASSIS INSTALLATION
1. Remove front grille. See Figure A.
Filter Handle
Lift up on
Figure A
The front grille can be removed for more thorough cleaning or to
make the model and serial numbers accessible. To remove, pull
the filter out and remove the four grille screws.
Grille
Tab
Pull the grille out from the bottom and lift up from the tabs on the
top of the case.
2. Remove the grounding screw and wire next to the grounding
symbol on right side of chassis control panel (Figure 3). At-
tach other end of ground wire to the hole in the bottom right
side of the sleeve with #8 x 3/8” blunt point sheet metal screw.
The hole on the sleeve is indicated by grounding symbol on
the sleeve. Slide chassis part of the way into the sleeve and
reattach the ground wire back to the hole on the right side on
the control panel area next to the grounding symbol.
