EAS Electric EDHP220EX Instruction Manual page 37

4-3 Main pipe (L1) diameter confirmation
Outdoor unit
capacity
(kW)
Liquid pipe Gas pipe
12. 5 / 1 4 /1 6
1 8 / 2 0/22 .4
2 6 . 0
28 .0
4-4 Main pipe (L2-L5) diameter of IDU confirmation
Downstream
indoor unit
Capacity(kW)
W 6.5 ＜
6 . 5≤W＜18
1 8 ≤W 22. 4 ≤
2 2.4＜W＜28
2 8≤W≤33 . 5
4-5 Allowed length and height difference of refrigerant pipe
Connecting mode 1
4.Connecting pipe installation
L1＜30m
Main pipe(mm)
Φ9 . 52
Φ1 5 . 8 8
Φ9.52
Φ1 9 . 0 5
Φ 2 8 . 6
Φ 2 8 . 6
Main piping dimension of IDU(mm)
Liquid pipe
Φ9. 5 2
Φ9. 5 2
Φ9. 5 2
Φ9. 5 2
Φ12 . 7
1st branch
The indoor unit farthest piping equivalent length
From the first branch pipe farthest piping equivalent length
Piping
Main pipe(mm)
First
branch
Liquid pipe
EVRI-BP1
Φ9.52
EVRI-BP1
Φ9 . 5 2
EVRI-BP2
EVRI-BP3
EVRI-BP3
Downstream equivalent piping length
Gas pipe
Φ12. 7
Φ15 . 8 8
Φ1 . 9 0 5
Φ 22 2 .
Φ28. 6
Equivalent length to the nearest branch
Indoor units
10
L1≥30m
First First
branch branch
Gas pipe
EVRI-BP1
Φ1 9 . 0 5
EVRI-BP1
Φ2 2 . 2
EVRI-BP2
Φ25. 4
Φ28.6 EVRI-BP3
Φ28.6 EVRI-BP3
Applied branch pipe
EVRI-BP1
EVRI-BP1
EVRI-BP1
EVRI-BP2
EVRI-BP3
V.2