Piping Installation; Refrigerant Piping Installation - Panasonic WH-ADC0916G9E8 WH-UX09FE8 Service Manual

11.1.3 Piping Installation

11.1.3.1 Typical Piping Installation
Air-to-Water Heatpump
Outdoor Unit
Pressure
Relief
Valve
Drainage
Tank Water
Discharge
Tundish
11.1.3.2 Access to Internal Components
This section is for authorized and licensed electrician/water
system installer only. Work behind the front plate secured by
screws must only be carried out under supervision of qualified
contractor, installation engineer or service person.

Open and Close Top Front Plate
1 Do not open or close the top front cabinet by
excessive force.
2 Follow below illustrations to open / close the
Top Front Plate.
To Open
Top Front Plate
Open
To Close
"click"
3X
(screw)
2X
(screw)
When open or close the Top Front Plate, make
sure it is securely hold in position. Else, it may
fall and injures the fingers or palms.
Open or close the Bottom Front Plate carefully.
The heavy Bottom Front Plate may injures
the fingers.
Fan Coil Unit
Radiator /
Floor Heater
Faucet
2-Way Valve
Expansion
Vessel
Check Shut Pressure
Pressure
Valve Off Reducing
Relief Valve
Valve
WARNING
"click"
Close
Lever
Arm
Hook
Slot
CAUTION

Open and Close Bottom Front Panel
1 Must open the Top Front Plate before access
Bottom Front Plate.
2 Remove the 5 mounting screws of Bottom
Front Plate.
3 Slide it upwards to unhook the Bottom Front
Plate hooks and slots.
4 Reverse above steps 1~3 for close it.
11.1.3.3
This Tank Unit is designed for combination with
Panasonic Air-to-Water Heat Pump Outdoor Unit. If
Outdoor Unit from other manufacturer are being used
Tab /
Shower
in combination with Panasonic Tank Unit, optimum
Main operation and reliability of the system is not
Water
guaranteed. Thus warranty cannot be given in such
Supply
case.
Valve
1 Connect Tank Unit to Air-to-Water Heatpump
Outdoor Unit with correct piping size.
Tank Unit
ADC0916*E8*
Do not overtighten, overtightening may cause gas leakage.
2 Please make flare after inserting flare nut
(located at joint portion of tube assembly) onto
the copper pipe. (In case of using long piping)
3 Do not use pipe wrench to open refrigerant
Hold in
piping. Flare nut may be broken and cause
position
leakage. Use proper spanner or ring wrench.
4 Connect the piping:
o
o
54

Refrigerant Piping Installation

Model Piping size (Torque)
Outdoor Unit Gas
UX09*E8* /
UX12*E8* /
UX16*E8* / ø15.88mm (5/8")
UD09*E8* / [65 N•m]
UD12*E8* /
UD16*E8*
CAUTION
Align the centre of piping and sufficiently
tighten the flare nut with fingers.
Further tighten the flare nut with torque
wrench in specified torque as stated in
the table.
Liquid
Ø9.52mm (3/8")
[42 N•m]