Hitachi RAM-52QH5, Service Manual, Page: 22 / 104

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CONSTRUCTION AND DIMENSIONAL DIAGRAM
MODEL RAM-53QH5
Handle
Air suction
grille
104 64
26 850 79
22 20
Indoor unit 1
Service valve (ø6.35)
Indoor unit 2
Service valve (ø6.35)
Indoor unit 3
Service valve (ø6.35)
Indoor unit 1
Service valve (ø9.52)
Indoor unit 2
Service valve (ø9.52)
Indoor unit 3
Service valve (ø9.52)
298
340
Unit: mm
201
107.5
52
52
52
52
52
650 638
Air outlet
10
10
10
320 340
Holes for anchor bolt
(2-ø12)
Fixing hole
507 198
57
12
37
Notch for anchor bolt
(2-ø12 Notchs)
More than
More than
More than
100
More than
700
100
100
Service space
ATTENTION
During service, before opening the side cover, please switch off power supply.
Note:
1. Insulated pipes should be used for both small and large diameter pipes.
2. Piping length should be within 25m for one room and within 45m in total.
3. Height difference of piping between indoor unit and outdoor unit should be within 10m.
4. Overhead clearance of outdoor unit should be 200mm to allow servicing.
5. For electrical connection, please refer to the installation manual.