Advertisement
Available languages
Available languages
Reference table of R410A indoor unit connecting pipe
Main pipe dimensions
Downstream indoor
unit capacity
Gas pipe
A＜166
Φ15.9
166≤A＜230
Φ19.1
230≤A＜330
Φ22.2
330≤A＜460
Φ25.4
Φ25.4
460≤A
5.4 Diameters of outdoor unit connecting pipe
Reference table of R410A outdoor unit connecting pipe
Main pipe dimensions when
equivalent length of liquid side
and gas side pipe is ＜90m
Outdoor unit
capacity
Gas side
Liquid side
(mm)
(mm)
33.5kW
Φ22.2
Φ12.7
40kW
45kW
Φ25.4
Φ12.7
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
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.
Joint dimension
Pipe diameters of the indoor unit joint
Refrigerant
Model
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
R410A
Low static pressure 18~45
Low static pressure 56
Thin duct 71
A5 Duct 22~45
A5 Duct 56~80
A5 Duct 90~140
Pipe diameters of the outdoor unit joint
To pipe side
Pipe diameters of the outdoor unit joint
Model
33.5kW/40kW
45kW
Applicable
manifolds
Liquid pipe
Φ9.5
EVRI-BP1
Φ9.5
EVRI-BP1
Φ9.5
EVRI-BP2
Φ12.7
EVRI-BP2
Φ12.7
EVRI-BP2
Main pipe dimensions when
equivalent length of liquid side
and gas side pipe is ≥90m
Indoor unit
Gas side
Liquid side
Indoor unit
first manifold
(mm)
(mm)
first manifold
EVRI-BP2
Φ25.4
Φ12.7
EVRI-BP2
EVRI-BP2
Φ28.6
Φ12.7
EVRI-BP3
Gas side
Liquid side
Φ6.4(Flare)
Φ12.7(Flare)
Φ9.5(Flare)
Φ15.9(Flare)
Φ6.4(Flare)
Φ12.7(Flare)
Φ9.5(Flare)
Φ15.9(Flare)
Φ6.4(Flare)
Φ12.7(Flare)
Φ15.9(Flare)
Φ9.5(Flare)
Φ6.4(Flare)
Φ12.7(Flare)
Φ9.5(Flare)
Φ15.9(Flare)
Φ9.5(Flare)
Φ15.9(Flare)
Φ6.4(Flare)
Φ12.7(Flare)
Φ9.5(Flare)
Φ15.9(Flare)
Φ9.5(Flare)
Φ15.9(Flare)
Table 5-7
Gas side
Liquid side
Φ22.2
Φ12.7
Φ25.4
Dimensions of connecting pipe diameters in accessory
Table 5-4
Table 5-5
Connect this end to the
connecting pipe in accessory
Φ22.2
Main pipe diameters
of connecting pipes
Φ22.2
Φ25.4
Table 5-6
Φ28.6
Outdoor Unit
(kW)
33.5kW
40kW
45kW
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.
Classification
of power
HP
Classification
of power
HP
8
Flare(connecting to
gas side stop valve)
Accessory-
connecting pipe
Φ22.2
Accessory-connecting to elbow
A
Elbow connecting instruction
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
Capacity of
Maximum Quantity
Outdoor unit (kW)
of Indoor unit
33.5
14
40
14
45
15
CAUTION
22
28
36
0.8
1
1.2
1.7
80
90
100
112
3
3.2
3.7
Connect this end
to the main pipe
Table 4-8
Sum Capacity
of Indoor unit
20000~44000
20000~52000
22000~58000
Table 5-9
45
56
71
2
2.5
125
140
4
4.5
5
V.2
Advertisement
