Expansion Vessel; Indoor Unit Refrigerant Piping Installation; Drain Hose Installation - Panasonic S-80MW1E5 Installationsanleitung

Water Piping Installation of Air-Conditioning mode
Panasonic Air-to-Water
Heatpump Indoor Unit
Water
Water
Inlet
Outlet
External
Filter (Field Supply)
Water Piping Installation of TANK mode
Panasonic
Air-to-Water
Heatpump
Indoor Unit
Water Inlet
External Filter
(Field Supply)
B e sure to use two spanners to tighten the connection.
●
Tighten the nuts with torque wrench: 117.6 N•m {1176 kgf•cm}.
I f non-brass metallic piping is used for installation, make sure
●
to insulate the pipings to prevent galvanic corrosion.
M ake sure to insulate the water circuit pipings to prevent
●
reduction of heating capacity.
A fter installation, check the water leakage condition in
●
connection area during test run.
Water Outlet
Water Inlet
Insulation
M ount the PS foam
● d
inlet and outlet connectors, as shown in below illustration.
PS Foam d
Water Connector
Long Banding Strap e
Space cooling can be achieved
through the fan coil unit ONLY.
High-spec Wired
Remote Controller
(CZ-RTC5)
2-way
Room Thermostat
Valve
(Field Supply)
Make sure to install
High-Spec Wired Remote
Controller (CZ-RTC5)
Water
Outlet
Tank Unit
CAUTION
Do not overtighten,
overtightening may cause
water leakage.
and long banding strap
e
PS Foam d
Water Connector

Expansion Vessel

E xpansion Vessel with 10 L air capacity and initial pressure of
●
1 bar is installed in this indoor unit.
T otal amount of water in system should be below 200 L.
●
(Note: This amount of water does not include the tank unit
volume)
Fan Coil Unit
I f total amount of water is over 200 L, please add expansion
●
vessel. (field supply)
P lease keep the installation height difference of system water
●
circuit within 10 m.
Radiator/Floor
(Inner volume of same indoor unit is about 5 L)
Heater

3-6. Indoor Unit Refrigerant Piping Installation

1. P lease make flare after inserting flare nut (located at joint
the 2-way Valve in
portion of tube assembly) onto the copper pipe. (In case of
case that radiator/
floor heater is
using long piping)
installed in the
2. D o not use pipe wrench to open refrigerant piping. Flare nut
cooling circuit.
may be broken and cause leakage. Use proper spanner or
ring wrench.
3. C onnect the piping:
A lign the centre of piping and sufficiently tighten the flare
●
nut with fingers.
F urther tighten the flare nut with torque wrench in
●
specified torque as stated in the table.
S-80MW1E5
S-125MW1E5
Do not overtighten, overtightening may cause gas leakage.

3-7. Drain Hose Installation

U se inner diameter 15 mm drain hose in the market.
●
T his hose must be installed in a continuously downward
●
direction and in a frost-free environment.
D o not insert this hose into sewage or drain hose that may
●
generate ammonia gas, sulfuric gas, etc.
I f necessary, use hose clamp to further tighten the hose at
●
drain hose connector to prevent leakage.
to water
W ater will drip from this hose, therefore the outlet of this hose
●
must be installed in an area where the outlet cannot become
blocked.
10
Piping size (Torque)
Model
Gas
ø15.88 mm (5/8")
65 N•m
{650 kgf•cm}
CAUTION
Gas Refrigerant Piping
Liquid Refrigerant Piping
Drain hose
connector
Drain hose
Drain water outlet
Liquid
ø9.52 mm (3/8")
42 N•m
{420 kgf•cm}