Installation Of Indoor Unit - McQuay RCM20D Installation Manual

PRELIMINARY SITE SURVEY
• Electrical supply and installation shall conform to the
local authority (e.g. National Electrical Board).
• Voltage supply fluctuation must not exceed ±10% of the
rated voltage. Electricity supply lines must be
independent of welding transformers which can cause
high supply fluctuation.
• Ensure that the installation location is convenient for
wiring and piping.
FIGURE A
FIGURE B
Please ensure that the following steps are taken:
• Check the gradient for drainage flow as recommended
in Figure B.
• Provide clearance for easy servicing and optimal air flow
as shown in Figure C.
INSTALLATION OF THE INDOOR UNIT
1-5
STANDARD MOUNTING
Ensure that the overhead supports are strong enough to hold
the weight of the unit. Position the hanger rods (wall
mounting bracket for floor standing), and check for its
alignment with the unit as shown in Figure A. Also, check
that the hangers are secured and the base of the fan coil unit
is leveled in both horizontal directions, taking into account
the gradient for drainage flow as recommended in Figure B.
MODEL 20 25
A
1214 1214
B
666 666
C
273 273
D
130 130
E
1160 1160
F
27 27
G
77 77
H
745 745
I
25 25
J
209 209
K
486 486
L
108 108
M
360 360
Note: Floor standing installation available for CE20D/DR
and CE25D/DR only.
• The indoor unit must be installed such that there is no
short circuit of the cool discharge air with the warm
return air.
• Do not install the indoor unit where there is direct
sunlight shining on the unit. The location should be
suitable for piping and drainage installation. The unit
must be a large distance away from the door.
30 40 50
1214 1714 1714
666 666 666
273 273 273
130 130 130
1160 1560 1560
27 27 27
77 77 77
745 1235 1235
25 25 25
209 331 331
486 486 486
108 108 108
360 600 600