Installation Details; Torque Requirements; Connecting The Cables; Pipe Length And The Elevation - Bosch Climate 5000 Series Service Manual

6 Installation Details

6.1 Torque Requirements

Outer Diameter of Tube Tightening Torque
mm (in.)
Ø 6.35 (Ø 0.25") 1,500 (11lb • ft)
Ø 9.52 (Ø 0.375") 2,500 (18.4lb • ft)
Ø 12.7 ( Ø 0.5") 3,500 (25.8lb • ft)
Table 7

6.2 Connecting the Cables

The power cord should be selected according to the following specifications sheet.
Cable type: SOOW type
f
Capacity
18K ODU
27K ODU
36K ODU
48K ODU
Table 8
For IDU and ODU connection, use 16 AWG for all applications.
The cable sizes are determined by the maximum current indicated on the
nameplate which is located on the side panel of the unit. Please refer to the
nameplate before selecting the cable, fuse and switch. A means of disconnecting
the power, should be within 10 feet of the outdoor unit.

6.3 Pipe Length and the Elevation

Maximum Piping Length and Height Difference
1 drive 2
Max. length for all rooms (m)
Max. length for one IU (m)
Max. height difference
between IU and OU (m)
Max. height difference
between IUs (m)
Table 9
Bosch Climate 5000 Series Ductless Air Conditioner / Heat Pump Multi Zone Outdoor Units (01.2023)
Max. Tightening
N•m (lb ft) Torque N•m (lb ft)
1,600 (11.8lb • ft)
2,600 (19.18lb • ft)
3,600 (26.55lb • ft)
AWG Wire Size
14
14
12
10
1 drive 3 1 drive 4 1 drive 5
40 60 80
(131ft) (197ft) (262ft) (262ft)
25 30 35
(82ft) (98ft) (115ft) (115ft)
15 15 15
(49.2ft) (49.2ft) (49.2ft) (49.2ft)
10 10 10
(33ft) (33ft) (33ft)
Capacity
18k
27k
36k
48k
Table 10
Additional Refrigerant Charge
Piple Size
Φ6.35 (1/4") liquid pipe
Φ9.52 (3/8") liquid pipe
Table 11
F or indoor units piping information, check correspondence indoor unit
manual.
80
35
15
10
(33ft)
Pipe size
Liquid side
(in / mm)
2 x 1/4" / 2 x Φ6.35 2 x 3/8" / 2 x Φ9.52
3 x 1/4" / 3 x Φ6.35 3 x 3/8" / 3 x Φ9.52
4 x 1/4" / 4 x Φ6.35 4 x 3/8" / 4 x Φ9.52
3 x 3/8" + 2 x 1/2"
5 x 1/4" / 5 x Φ6.35
3 x Φ9.52 + 2 x Φ12.7
Additional charge for each unit length
15g (0.161 oz)
30g (0.322 oz)
Service Manual
Gas side
(in / mm)
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