29
1500
980
35
60
30
36
82
48
39
121
469
Z VIEW
370
60
6089
35
82
48
39
121
4
5
6
7
8
5
6
7
8
4
A VIEW
62.5
5047.5
75.5
16
13
20
412.5
350160200230
160 660 160
(10)
170
370
36
980
4×ȭ32 holes (holes for drain)
330
1
A
Air-discharge
Air intake
7
5
6
4
8
Z VIEW
42 74
100
120
173
16
51
35
47
Air-discharge Air intake
When using a drain pipe, install the drain socket
(field supply) onto the drain port. Seal the other
drain port with the rubber cap.
Air intake
Air intake
(B) Outdoor Unit: U-250PZH2E8
2
3
12
1
2
3
4
5
6
7
8
Unit: mm
Mounting hole (4-R6.5),
anchor bolt : M10
Refrigerant tubing (liquid tube),
flared connection (ø12.7)
Refrigerant tubing (gas tube),
flared connection (ø19.05)*
1
Refrigerant tubing port
Electrical wiring port (ø13)
Electrical wiring port (ø22)
Electrical wiring port (ø27)
Electrical wiring port (ø35)
(Gas tubing connection) While the main gas tube is ø25.4,
since connecting the outdoor unit’s 3-way valve requires a
ø19.05 flare, please be sure to use standard accessories
joint tubing A for connection (brazing).
*1
Specification for pipe connecting indoor unit to outdoor unit.
U-250PZH2E8
Valve size
(Outdoor unit)
Liquid ø12.7
Gasø19.05 *1
Main tube
(Outdoor unit to Indoor unit)
Liquid ø12.7
Gasø25.4
1-5. Refrigerant Flow Diagram
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