Connecting Tubing To Outdoor Unit; Pipe Insulation - Bosch Climate 5000 Series Installation Instructions Manual

Installation Instructions

8.3 Connecting Tubing to Outdoor Unit

1. Unscrew and remove the cover on the side of the outdoor unit. See Figure
34.
Figure 34
2. Remove protective caps from ends of valves.
3. Align fl ared pipe end with each valve and tighten the fl are nut as tightly as
possible by hand.
4. Using a wrench, hold the body of the valve. Do not grip the nut that seals the
service valve. See Figure 35.
NOTICE: USE WRENCH TO HOLD MAIN BODY OF VALVE
 Torque from tightening the flare nut can snap off other parts
of valve. Tighten by hand not by wrench.
Figure 35
5. While fi rmly holding the body of the valve, use a torque wrench to tighten
the fl are nut according to the correct torque values.
6. Loosen the fl aring nut slightly, then tighten again.
7. Repeat Steps 3 to 6 for the remaining pipe.
2 2 |

8.4 Pipe Insulation

1.
Valve Cover
Figure 36
2.
Figure 37
Piping insulation procedure
Figure 38
1.
2.
3.
4.
5.
6.
Bosch Climate 5000 Series Four Way Cassette Ductless Split Air Conditioner / Heat Pump (06.2022)
Be sure to insulate both the gas and liquid piping. Use separate thermal
insulation pipes for gas and liquid refrigerant pipes. See the fi gure below.
Inter-unit wire
Gas pipe
Gas pipe
insulation
Finishing tape
Finally, insulate as shown in the fi gure below.
6
5
3
1
2
4
Gas piping
1 6 3 2 6 4 5
Pipe insulation material (fi eld supplied)
Flare nut connection
Insulation for fi tting (fi eld supplied)
Piping insulation material (main unit)
Indoor unit
Clamp (fi eld supplied)
CAUTION: PERSONAL INJURY
 For local insulation, be sure to insulate local piping all the
way into the pipe connections inside the unit. Exposed
piping may cause condensation or may cause burns when
touched.
Liquid pipe
Liquid pipe
insulation
Drain hose
1 Liquid pipe
2 Gas pipe
3 Insulation for liquid pipe fitting
4 Insulation for gas pipe fitting
5 Clamps
(use 2 clamps per insulation)
6 Indoor unit
Liquid piping
1 6 3 2 6 4 5