CAUTION
Aψ166
166Aψ230
ĭ15.9
ĭ9.5
ĭ9.5
FQZHN-01C
FQZHN-01C
ĭ19.1
230Aψ330
330Aψ460
ĭ9.5 FQZHN-02Cĭ22.2
ĭ12.7 FQZHN-02Cĭ25.4
460A
ĭ12.7 FQZHN-02Cĭ25.4
Table 5-4
Table 5-5
Table 5-6
Reference table of R410A indoor unit connecting pipe
Downstream indoor
unit capacity
Main pipe dimensions
Liquid pipeGas pipe
Applicable
manifolds
33.5kW
40kW
ĭ22.2 FQZHN-02C FQZHN-02Cĭ25.4
45kW
ĭ25.4 ĭ12.7
ĭ12.7
FQZHN-02C FQZHN-03Cĭ28.6 ĭ12.7
ĭ12.7
Reference table of R410A outdoor unit connecting pipe
Outdoor unit
capacity
Main pipe dimensions when
equivalent length of liquid side
and gas side pipe is ˘90m
Main pipe dimensions when
equivalent length of liquid side
and gas side pipe is 90m
Gas side
(mm)
Liquid side
(mm)
Indoor unit
first manifold
Gas side
(mm)
Liquid side
(mm)
Indoor unit
first manifold
5.4 Diameters of outdoor unit connecting pipe
The horizontal straight pipe distance that connets to indoor unit
behind the manifold should be at least 0.5m
Use the maximum indoor and outdoor connecting pipe diameter.
CAUTION
The horizontal straight pipe distance between angle branch and
its adjacent manifold should be at least 0.5m
The horizontal straight pipe distance between 2 adjacent 2
manifold should be at least 0.5m
5$
Joint dimension
Refrigerant
Model Gas side Liquid side
Pipe diameters of the indoor unit joint
Wall mounting 22~45
Wall mounting 56
Four-side air outlet 28~45
Four-side air outlet 56~80
Single-side air outlet 18~45
Single-side air outlet 56
Low static pressure 18~45
Low static pressure 56
Thin duct 71
A5 Duct 22~45
A5 Duct 56~80
A5 Duct 90~140
ĭ12.7(Flare)
ĭ15.9(Flare)
ĭ12.7(Flare)
ĭ15.9(Flare)
ĭ12.7(Flare)
ĭ15.9(Flare)
ĭ12.7(Flare)
ĭ15.9(Flare)
ĭ15.9(Flare)
ĭ12.7(Flare)
ĭ15.9(Flare)
ĭ15.9(Flare)
ĭ6.4(Flare)
ĭ9.5(Flare)
ĭ6.4(Flare)
ĭ9.5(Flare)
ĭ6.4(Flare)
ĭ9.5(Flare)
ĭ6.4(Flare)
ĭ9.5(Flare)
ĭ9.5(Flare)
ĭ6.4(Flare)
ĭ9.5(Flare)
ĭ9.5(Flare)
45kW ĭ25.4
ĭ12.7
Table 5-7
Table 5-9
Table 4-8
33.5kW/40kW ĭ22.2
Pipe diameters of the outdoor unit joint
Pipe diameters of the outdoor unit joint
Gas side
Liquid sideModel
To pipe side
ĭ22.2
ĭ22.2
ĭ25.4
ĭ28.6
A
Dimensions of connecting pipe diameters in accessory
Flare(connecting to
gas side stop valve)
Accessory-
connecting pipe
Connect this end to the
connecting pipe in accessory
Accessory-connecting to elbow
Connect this end
to the main pipe
ĭ22.2
ĭ25.4
ĭ28.6
Elbow connecting instruction
Main pipe diameters
of connecting pipes
Connecting pipe bending process
Cut the pipe at A, insert the main pipe
and weld
Cut the pipe at A, flare and weld
Insert main pipe directly and weld
22000~580001545
1440 20000~5200040kW
1433.5 20000~4400033.5kW
45kW
Capacity of
Outdoor unit (kW)
Outdoor Unit
(kW)
Maximum Quantity
of Indoor unit
Sum Capacity
of Indoor unit
Capacity of indoor unit shouldn’t be greater than the sum of 130%
of outdoor unit loading.
When running with oversized bearings, attenuation will happen
correspondingly.
0.8 1.2 1.7 2 2.5
3
HP
1
22 28 36 45 56 71
80
3.2
90
3.7
100
4
112
4.5
125
5
140
Classification
of power
HP
Classification
of power
06$1;0L77 ,QVWDOODWLRQPDQXDO
To Next Page
Loading...
Need help?
General