McQuay ROOFTOP R08019034483, Installation Manual

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English
1-11
(f) Space Required Around Unit
Refer diagram below for the space required around the unit. Note that:-
(a) All dimensions shown are in mm.
(b) All space value shown are minimum clearance required for the unit.
(c) Unit shown in the diagram is 5RT90BR. Other models shall follow the same clearance.
(d) Unit Lifting
Holes at 4 corners of the unit base are used for unit lifting
purpose.
The spreader bar shall be slightly wider than the unit
width.
The insulation should be added at 4 corners of the chain
to prevent the damage of the panel when lifting.
Note:
Unit shown in diagram is 5RT90BR.
Other models will follow the same method in lifting.
(e) Drain Piping
•
A 1" MPT condensate drain fi tting is provided. The
drain pipe can be led out at the front side.
•
The drain pipe must be provided with a trap on the
outside of the unit and also installed at an incline for
proper drainage, as shown in the right.
•
To prevent condensate formation and leakage, provide
the drain pipe with insulation to safeguard against
sweating.
•
Upon completion of piping work, check that there is no
leakage and that the water drains off properly.
Chain
Lifting beam
Spreader
bar
Lifting holes for
shackle (4 corners)
Condenser
air outlet
3000
Condenser
air inlet
1200
1200
Blower & motor
service
Air fi lter
service
Evaporator coil
service
1200
Electrical control
circuit service
Compressor service
The drain piping should have a drain trap.
Drain piping
The drain pipe
should extend
below this level.
Drain trap
A
B
C
Note: ESP = External Static Pressure
Drain trap for condensate
A

70mm
B

2C
C

2 X ESP
IM 1 5RTBR-1209(0)-EN.indd 11 IM 1 5RTBR-1209(0)-EN.indd 11 1/14/10 11:37:19 AM 1/14/10 11:37:19 AM