Fujitsu WGHA100ML3 Bruksanvisning

Fujitsu Luftkonditionering WGHA100ML3

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U0672843_2130_EN_6
29/03/2023
INSTALLATION
Air/water heat pump split 2 services
For professionals. To be kept by the user for future reference.
EN
Outdoor unit
WOHA060KLT
WOHA080KLT
WOHA100KLT
Hydraulic unit
WGHA050ML3
WGHA080ML3
WGHA100ML3
■ Installation and maintenance rules
The appliance must be installed and maintained
by an approved professional in accordance with
current regulations and codes of practice.
• Do not use any means to accelerate the
defrosting process or to clean the appliance,
other than those recommended by the
manufacturer.
• The appliance must be stored in a room that
does not contain continuously operating
ignition sources (for example: open fl ames,
gas appliance or operating electric heater).
• Do not pierce or burn.
• Be careful, refrigerants can be odorless.
■Handling
The outdoor unit must not be placed in a horizontal
position during transport.
If not kept upright during transport, the appliance
could be damaged through displacement of
the refrigerant and damage to the compressor
suspensions.
Any damage caused by transportation in a horizontal
position is not covered by the warranty.
If necessary, the outdoor unit may be tilted only
during manual handling (to go through a door or to
take a stair). This operation must be conducted very
carefully and the appliance must be immediately
restored to the upright position.
■Installation
The heat pump installation must meet the
requirements related to the location of the heat
pump.
The heat pump is designed to be installed at less
than 2000 m altitude.
In accordance with IEC 60-335-2-40 standard, the
hydraulic module of the heat pump as well as all
the refrigerant connections that cross the inhabited
area must be installed in rooms respecting the
minimum surface.
• Warning, hydraulic unit should not be installed
in an air current.
■Refrigerant
The maximum load of R32 fl uid with supplements
must not exceed 1.84 kg.
■Containment of refrigeration circuits
All refrigeration circuits are sensitive to dust and
moisture contamination. If any such pollutants
penetrate the refrigeration circuit, they can aff ect
the reliability of the heat pump.
• Make sure that the connections and
refrigeration circuits (hydraulic unit, outdoor
unit) are protected correctly.
• In the event of a subsequent failure and
following an inspection, the presence of
moisture or foreign bodies in the compressor
oil would automatically void the warranty.
- Check upon receipt that the fi ttings and refrigeration
circuit caps mounted on hydraulic unit and outdoor
unit are properly seated and secured (cannot be
loosened with bare hands). If this is not the case,
tighten them using a C spanner.
- Check also that the refrigeration connections are
sealed (plastic caps or tubes crimped at the ends
and brazed). If the caps must be removed during
the installation (tubes to be re-cut for example),
put them back as soon as possible.
■Hydraulic connections
The connection must comply with industry standard
practice according to current regulations.
Reminder : Seal everything when fi tting in
accordance with industry standard practice for
plumbing work:
- Use suitable seals (fi bre gasket, O-ring).
- Use Tefl on or hemp tape.
- Use sealing paste (synthetic depending on the
case).
Use glycol/water mix if the minimum fl ow
temperature is set below 10°C. If you are using a
glycol/water mix, arrange for an annual check on
the quality of the glycol. Use monopropylene glycol
only. The recommended concentration is 30%
minimum. Never use monoethylene glycol.
• In some installations, the presence of diff erent
metals can cause corrosion problems;
the formation of metal particles and sludge can
appear in the hydraulic circuit.
• In this case, it is advisable to use a corrosion
inhibitor in the proportions indicated by the
manufacturer.
• You must also ensure that treated water does
not become corrosive.
On the cold water inlet, place a safety valve
calibrated to between 7 and 10 bar max. (depending
on local regulations) and connected to a drain
pipe leading to the sewer. Operate the safety
valve according to manufacturer's specifi cations.
The domestic hot water tank must be fed with cold
water passing through a safety valve. There must
be no other valves between the safety valve and
the tank.
■Electrical connections
Before performing any maintenance, make sure
that all power supplies have been cut off .
• Specifi cations of electricity supply
The electrical installation must be carried out in
accordance with current regulations.
Electrical connections will only be made once all
other installation operations (fastening, assembly,
etc.) have been completed.
Warning!
The contract signed with the energy provider must
be suffi cient not only to cover the heat pump’s power
requirements but also the combined sum of all the
appliances likely to be operating at the same time. If
the power is too low, check the power rating stated
in your contract with your energy provider.
Never use a power socket for the power supply.
The heat pump must be supplied directly with power
(without external switch) by special protected leads
from the electric panel via dedicated bipolar circuit
breakers, C curve for the outdoor unit, C curve for
the electrical heating* and domestic water backups*.
The electrical installation must be fi tted with a 30mA
RCD.
This appliance is designed to operate using a
nominal voltage of 230 V +/- 10%, 50 Hz.
• General remarks on electrical connections
It is essential to maintain neutral-phase polarity
when making electrical connections.
Rigid wires are preferable for fi xed installations,
particularly in a building.
Tighten the cables using the cable glands to
prevent the power cables from being accidentally
disconnected.
The earth connection and its continuity must be
ensured.
The earth wire must be longer than the other wires.
• Cable glands
To ensure the stability of power (Low Voltage) and
sensor (Extra-Low Voltage) cables, it is essential
that the cable glands are tightened according to the
following recommendations:
Size of cable
gland (mm)
Diameter of
cable
(mm)
Cable gland
tightening
torque
(check-nut)
(N.m)
Coupling net
tightening
torque
(N.m)
PG7 1 to 5 1.3 1
PG9 1.5 to 6 3.3 2.6
PG16 5 to 12 4.3 2.6
• Connecting to screw terminals
The use of ring, spade or blade terminals or
caps is prohibited.
- Always select wire that complies with current
standards.
- Strip wire end around 25 mm.
- With round end pliers, form a loop with a diameter
which matches the tightening screws on the
terminal.
- Tighten the terminal screw fi rmly onto the
loop created. Insuffi cient tightening can cause
overheating, leading to breakdown or even fi re.
Rigid wire Loop
25 mm Spade or blade
terminal on
fl exible wire is
prohibited
Screw
and
special washer
Terminal
• Connecting to controller boards
- Remove the corresponding connector and make
the connection.
Pre-cabled bundle connector and/or screw connector
• Connecting to spring terminals
- Strip wire end around 12 mm.
- Push the spring with a screwdriver so that the wire
enters the cage.
- Slide the wire into the opening provided for this
purpose.
- Remove the screwdriver and then check that the
wire stays gripped by the cage by pulling on it.
2
1
3
1
3
2
4
(* according option)

Produktspecifikationer

Varumärke: Fujitsu
Kategori: Luftkonditionering
Modell: WGHA100ML3

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