Connecting Refrigerant Pipes To The Outdoor Unit - Panasonic Aquarea WH-ADC0309J3E5 Planning And Installation Manual

Permissible tightening torques of the refrigerant pipes – Hydrokits
Bi-bloc systems with hydrokit
High Performance | J Generation | R32
WH-SDC0305J3E5 + WH-UD03JE5
WH-SDC0305J3E5 + WH-UD05JE5
WH-SDC0709J3E5 + WH-UD07JE5
WH-SDC0709J3E5 + WH-UD09JE5-1
High Performance | H Generation | R410A
WH-SDC**H6E5 + WH-UD**HE5
WH-SDC**H3E8 + WH-UD**HE8
T-CAP | H Generation | R410A
WH-SXC**H3E5 + WH-UX**HE5
WH-SXC**H3E8 + WH-UX**HE8
WH-SQC**H3E8 + WH-UQ**HE8
HT | F Generation | R407C
WH-SHF**F*E5 + WH-UH**FE5
WH-SHF**F*E8 + WH-UH**FE8

6.6.2 Connecting refrigerant pipes to the outdoor unit

WARNING
Danger to life from electric shock
The devices are operated with 230 V or 400 V alternating current. Touching the live electrical
cables can be life-threatening due to electrical shock.
► Before opening the outdoor unit, make sure that the entire system (including hydrokit or
All in One unit, tank and electrical heater) is disconnected from the electric supply.
!
IMPORTANT
The pipes can be routed out of the unit in four directions: to the front, back, right and left side.
Select the direction most suitable for the installation location.
Carry out the following steps to connect the prepared refrigerant pipes coming from the indoor unit
to the outdoor unit:
1. Open the outdoor unit (→
2. Remove the selected pipe panel (2) and provide it with suitable holes for the pipes.
3. Mount the pipe panel again so that rain will not enter the outdoor unit.
4. Align the flared tube and the connecting pipe centrally and first tighten the flare nut by hand
and then with a torque wrench and an adjustable spanner to counter it. Ensure the correct
torques (→
5. Close the opening around the pipes entering the outdoor unit using thermal insulation or
putty (provided on site) to ensure that no gap is left open.
Aquarea air-to-water heat pumps - Planning and installation manual - 02/2022
6.5 Opening devices, p.
Permissible tightening torques of refrigerant pipes (Outdoor units), p.
Refrigerant gas pipe
Diameter Torque
mm (inches) Nm
12.7 (1/2) 55
12.7 (1/2) 55
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
15.88 (5/8) 65
155).
Installation
Refrigerant liquid pipe
Diameter Torque
mm (inches) Nm
6.35 (1/4) 18
6.35 (1/4) 18
6.35 (1/4) 18
6.35 (1/4) 18
9.52 (3/8) 42
9.52 (3/8) 42
9.52 (3/8) 42
9.52 (3/8) 42
9.52 (3/8) 42
9.52 (3/8) 42
9.52 (3/8) 42
164).
163
6