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1.3 Contents of the Manual
This manual is oriented to the most users of the dehumidifier, including
installation, operation, maintenance and basic failure analysis. Purpose of this
manual is providing necessary information for users to comprehend the structure
and function of the equipment and guide users about installation, operation,
maintenance and basic fault analysis before Dorosin provides services.
Chapter 2. Installation of Equipment
2.1 Brief Introduction
The dehumidifier can be installed in many places which depending on the user's
needs. If there are requirements, it can be used with the existing power system or
existing duct system together. This section covers the description of required job
of dehumidification equipment from leaving the factory to being installed. Read
before equipment installation can help you to arrange work properly.
2.2 Shipping and Storage
In order to ensure the quality and reliability of the dehumidification equipment,
every equipment has been inspected before leaving the factory. If the
dehumidification equipment is to be stored for a period of time before installation,
the following items should be noted:
a. It is not suitable to remove the transport packaging.
b. Placement of equipment can avoid physical damage and hurt.
c. Must be stored under cover to prevent dust, frost and rain from encroaching.
d. The equipment is not allowed to lie down or stand upside down.
2.3 Inspection
Disassemble the packaging of the equipment and inspect the product to ensure
that the equipment is not damaged during transportation. If any damage is found,
contact the equipment supplier. If the piping connected to the dehumidifier is
arranged, it should be checked if the piping arrangement is suitable. If the
environment and installation conditions are not satisfying, please contact the
manufacturer's relevant design and technical personnel.
To ensure optimum dehumidification effect, the fan outlet should be equipped with
a diffuser.
2.4 Electrical Connections
NOTICE!
All electrical connections works must be done by local professionals and shall be
carried out by qualified personnel. Dehumidifier control circuit has been marked
with different color to prevent confusion, unit design adopts three-phase ac power
supply, electric equipment installation and configuration are in accordance with
the voltage and frequency of equipment nameplate on the calibration.
The appliance shall be installed according to the national wiring standard.
• The dehumidifier must not operate in a voltage or frequency beyond the
manufacturing range.
• The three-phase ac power supply should be checked before the unit is
connected to the main power supply to ensure that the voltage fluctuation
range of the power supply is not more than ±10% of the voltage and frequency
of the equipment. his check is particularly important for high load situations
(which are due to the switching of large electrical equipment).
• The machine set must be grounded and equipped with a power isolating switch
to ensure that the power is cut off when checking and servicing.
• The fuse power of the power supply fuse must be consistent with the power
and type of the dehumidifier. The fuse should be installed near the dehumidifier.
The selection of power supply cable and main fuse should be equipped with the
correct operation power of the wet unit. Fuse rated value: 16A 250V
• If the power cord is damaged, in order to avoid danger, it must be replaced by
the manufacturer, its maintenance department or similar department.
• On the power line, L1, L2, L3 are connected with three fire wires on the fixture,
and the N is connected with the zero line, PE and ground are connected. If the
display board displays E3, please switch any two lines of L1, L2 and L3.
Chapter 3. Operation Control
03 04
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