Personal Protective Equipment; General Safety Rules; General Description Of The Unit; Refrigerant Circuit - Master DHP 65 Manuel D'utilisation Et De Maintenance

The unit can only be moved after emptying
the condensate tank, and in any case, it is AL-
WAYS REQUIRED to remove the plug from the
socket before moving the appliance. Should
water be accidentally spilled on the appli-
ance, the unit must be immediately turned off
and disconnected from the power supply, and
may only be turned on after eight hours have
elapsed.
CAUTION: The equipment contains R1234yf
refrigerant: this gas is flammable.
The amount of charge is indicated in the data
table of this user manual.
Warning, the refrigerant is odourless.
Do not use any means to accelerate the de-
frosting process or for cleaning other than
those recommended by the manufacturer.
The appliance must be placed in a room that
does not have ignition sources continuously
in operation (e.g. open flames, a gas appliance
while running or an electric heater running).
Do not drill holes into or burn the appliance.
►►1.3. PERSONAL PROTECTIVE
EQUIPMENT
Use the following personal protective equipment
during unit use and maintenance operations:
CLOTHING: Those who carry out mainte-
nance or work on the unit in environments with
slippery floors must wear safety shoes with non-
slip soles.
GLOVES: Appropriate gloves must be worn
during cleaning and maintenance operations.
When refilling the refrigerant gas, the use of ap-
propriate gloves is mandatory in order to prevent
the risk of freezing.
MASK AND GOGGLES: Masks to protect the
respiratory tract and safety goggles to protect the
eyes must be worn during cleaning and mainte-
nance operations.
►►1.4. GENERAL SAFETY RULES
The following safety signs, which must be respect-
ed, are affixed on the unit:
Read the user manual.
Read the technical manual.
Electric shock hazard.
Flammable material hazard.
CAUTION: It is strictly forbidden to remove
the safety signs on the units.
►►►2. GENERAL DESCRIPTION OF
THE UNIT
(FIG. 1)
The dehumidifier is an appliance suitable for con-
trolling the humidity of the room it is placed in.
Dehumidification is carried out via a refrigeration
cycle which is based on the physical principle
whereby the air, when it comes into contact with
a cold surface, wets it, releasing humidity in the
form of condensation drops.
The equipment is made up as follows (FIG. 2):
Air is extracted from the appliance: it passes
through the washable filter (1), the aluminium coil
(evaporator) (2), the hot exchanger (condenser)
(3), the fan (4) and finally the dehumidified air
flows out and is recirculated into the room through
the grille. The condensed water is collected in the
tank (5). A microswitch stops the appliance when
water in the tank reaches a certain level. An elec-
tronic board (6) manages the correct operation of
the appliance.
This appliance is equipped with a hot gas defrost
system, which ensures the correct operation of the
dehumidifier within the temperature and humidity
range specified in the technical data table.
►►2.1. REFRIGERANT CIRCUIT
The refrigerant gas used in these units is R1234yf.
The refrigerant circuit is built in compliance with
current standards.
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