Panasonic WH-SDC0305J3E5 Installationshandbuch Seite 7

Install the Indoor Unit
1. Engage the slots on the Indoor Unit to the hooks of installation
plate 1 . Ensure the hooks are properly seated on the installation
plate by moving it left and right.
2. Fix the screws 5 to the holes on the hooks of installation plate 4 ,
as illustrated below.
Slots
Indoor Unit back
Typical Piping Installation
Air-to-Water Heatpump
Outdoor Unit
Water piping installation
•
Water inlet and water outlet in Indoor Unit are used for connection
to water circuit. Please request a licensed technician to install this
water circuit.
•
This water circuit must comply with all relevant European and
national regulations, i.e. IEC/EN 61770.
•
Be careful not to deform the piping to excessive force when doing
piping connection job.
•
Use Rp 1¼" nut for both water inlet and outlet connection and clean
all pipings with tap water before connecting to the Indoor Unit.
•
Cover the pipe end to prevent dirt and dust when inserting it
through a wall.
•
Choose proper sealer which can withstand the pressure and
temperature of the system.
•
If an existing tank is to be connected to this Indoor Unit, ensure
the pipes are clean before water pipe installation is carried out.
•
Be sure to use two spanners to tighten the connection. Tighten the
nuts with torque wrench: 117.6N•m.
Installation plate 1
Hooks
Wall
Installation plate 4
Screws 5
Note: Do not lift the
Indoor Unit by holding the
refrigerant and water pipes
to prevent damage of the
pipes.
Temporary
Double Check
connection to
Valve assembly
be removed
is acceptable in
immediately
house
after fi lling
Servicing Servicing
Valve Valve
Fan Coil Unit
Main
Radiator/ Water
Floor Heater
Supply
2-Way Valve
Indoor Unit
•
If non-brass metallic piping is used for installation, make sure to
insulate the pipes to prevent galvanic corrosion.
•
Make sure to insulate the water circuit pipes to prevent reduction
of heating capacity.
•
After installation, check the water leakage condition in connection
area during test run.
Do not over tighten, over tightening cause water leakage.
Refrigerant piping installation
1. Please make fl are after inserting fl are nut (located at joint portion of
tube assembly) onto the copper pipe. (In case of using long piping)
2. Do not use pipe wrench to open refrigerant piping. Flare nut may
be broken and cause leakage. Use proper spanner or ring wrench.
3. Connect the piping:
•
Align the center of piping and suffi ciently tighten the fl are nut
with fi ngers.
•
Be sure to use two spanners to tighten the connection.
Further tighten the fl are nut with torque wrench in specifi ed
torque as stated in the table.
Spanner or
Wrench
Model
Indoor Unit Outdoor Unit
WH-UD03JE5*,
WH-SDC0305J3E5
WH-UD05JE5*
WH-UD07JE5*,
WH-SDC0709J3E5
WH-UD09JE5*
Liquid Refrigerant Pipe
Do not overtighten, overtightening may cause gas leakage.
Do not pull and push refrigerant piping excessively, deformed
pipe may cause refrigerant leak.
Please take extra precaution when open the control board
cover 6 and control board 7 for Indoor Unit installation and
servicing. Failure to do so may cause injury.
Torque wrench
Spanner
Water Inlet
Water Outlet
CAUTION
Torque wrench
Piping size (Torque)
Gas Liquid
ø12.7mm ø6.35mm
(1/2") (1/4")
[55 N•m] [18 N•m]
ø15.88mm ø6.35mm
(5/8") (1/4")
[65 N•m] [18 N•m]
Gas Refrigerant Pipe
CAUTION
7