Install The Connecting Pipe - Carrier 40MB*D Installation Instructions Manual

Table 6-2
Outdoor Unit
(_ Vibration-proof rubber
Anchor Bolt M 10
Drainage (Wide 3.94in/100×Depth 5.9in/150)
(_ Drainage
Mortar Hole (¢3.94in100×Depth 5.9in/150)
NOTE: Make sure 3-4 degree of angel is kept between the unit and
the floor when the unit is installed in the low temperauture
and humid environment.
Make sure the ice on the chassis of the outdoor unit can be
dealt with when the unit is installed in the low temperature
and humid enviroment.
The outdoor unit should be installed in amounting rack 11.81in
/30cm high.The enviroment temperature should be above
0 °"
The machine must be installed indoor.
° NOTE:the table above refers to the liquid tube.
° NOTE:The number of bends is up to the length of the max
height drop.Usually for each 32.8ft/10m need a bend.
_I_ CAUTION
All field piping must be provided by a licensed
refrigeration technician and must comply with the
relevant local and national codes.
Prevent air, dust, or other impurities from entering in the
pipe system during installation.
Insulation pipe shall be used to the gas piping and the
liquid piping. Otherwise, condensation may occur.
7.2 The Procedure of Connecting Pipes
1 Measure the required length of the connecting
pipe, then create it per the following steps.
7. INSTALL THECONNECTING P IPE
7.1 Preparation and Caution
Before installation make sure the height difference, the length
of refrigerant pipe, and the number of the bends between the
indoor unit and outdoor unit meet the following requirements:
Table 7-1 unit: ft/m
32.8ft/10 16.4ft/,'
82.02ft/25 39.37ft112 I
82.02ft/25 49.21ftP
164.04ft/50 82.02ft/25 I
The outdoor unit is charged with rating refrigerant amount in
the factory.Additional charges refer to the table below:
Table 7-2
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Connect the indoor unit first, then the outdoor unit.
Bend the tubing in a proper way. Do not twist the pipe.
Bend the pipe with thumb
min-radius 3.94in/100mm
Fig. 7-1
Put some refrigerant oil on the surfaces of the flare pipe
and the joint nuts then wrench it for 3~4 rounds with your
hands before you fasten the flare nuts.(Refer to chart 16)
Use frozen oit
i-
Fig.7-2
Be sure to use two wrenches simultaneously when you
connect or disconnect the pipes.
_ Make the ends straight
Fig.7-3
Piping
Additional refrigerant charge(between
standard-Max piping length) Gas Pipe(size-connection type Liquid Pipe(size-connection type
System size
Oz/ft(g/m) in(mm) in(mm)
9K 0.16(15) 3/8(9.52) 1/4(6.35)
12K 0.16(15) 1/2(12.7) 1/4(6.35)
18K 0.16(15) 1/2(12.7) 1/4(6.35)
24K 0.32(30) 5/8(16) 3/8(9.52)
36K 0.32(30) 5/8(16) 3/8(9.52)
48K 0.32(30) 5/8(16) 3/8(9.52)
]5