ISOLATION
TRANSFORMER
“VENTS TRF-220/12-25”
PURPOSE
The isolation transformer TRF-220/12-25, called hereinafter " the transformer", is intended for the household
fans power supply of ultra-low secure voltage 12 V / 50 Hz , in which the motor's power does not exceed 16 W.
BASIC TECHNICAL CHARACTERISTICS
Supply voltage 220-240 V, 50 Hz.
Target voltage 12 V, 50 Hz.
Maximal load power, no more 25 WA (load current no more than 2 A).
The transformers belong to devices of the Class II insulation by type of protection against electric-shock
hazard.
Overall dimensions of the transformer, no more 91x58x62 mm.
Overall dimensions of the protective terminal box, no more 110x40x40 mm.
Weight, no more - 0,8 kg.
Protection Class concerning dust and moisture (except for the terminal blocks) IР40.
Transformer operation conditions 100C +400С and relative humidity of no more than 75 %.
The ambient air should contain no explosive and corrosive impurities.
SAFETY REQUIREMENTS
The maintenance and installation should be carried out by the person who has the admission to the
independent work with the electrical installations up to 1000 V and has studied this manual.
Attention! The transformer input circuit is under network potential. The transformer installation and
connection should be made only after its disconnection from the network system..
Forbidden!
- To operate the defective transformer,
- To make alterations to the scheme,
- To transfer the energized transformer,
- To operate the transformer with a damaged isolation of network cable and output cables ,
- To connect and disconnect output cables if the transformer is turned on,
- To overload the transformer electrically.
Not allowed!
- Water ingress in design elements of the transformer,
- No explosive and corrosive impurities should be present in air.
DELIVERY SET
The delivery set contains:
Isolation transformer TRF-220/12-25 ready-assembled with protective terminal box,
- certificate,
- spare safety fuse 0,25 A / 250 V,
- packing box.
ACCEPTANCE CERTIFICATE
The isolation transformer TRF-220/12-25 is recognized to be serviceable
V32EN -01
STORAGE AND TRANSPORTATION
The transformer should be stored in manufacturer packaging in closed and aired room without the acid and
other steams having a harmful effect on the materials and isolation at temperature from +5°С to +40°С and
relative air humidity of no more than 80 % (at Т = 25°С).
The transformer in the manufacturer transport container can be transported by any kind of transport in
covered vehicles.
Transportation of the transformer should be carried out according to the handling stamps on the packaging.
MANUFACTURER'S GUARANTEES
The transformer TRF-220/12-25 corresponds to requirements of GOST 30030-93 (MEK 742-83)
“Isolation Transformers and Safe Isolation Transformers. Technical Requirements ”, DNAOP 0.00-1.32-01”
Rules of the Electrical Installation Structure. Electrical Equipment of the Special Installations ",
" Rules of the Technical Operation of Electrical Installations”.
The manufacturer, Joint-Stock Company "VENTS", guarantees normal work of the transformer for
12 months from the date of sale through the retail trading network provided transportation, storage,
installation and operation rules are complied with. The guarantee does not apply to the products with signs
of the mechanical damages. In case of malfunction in transformer work because of the manufacturer within
The warranty period, the consumer has the right for the transformer replacement. In the absence of sale date
mark, the warranty period is estimated from the date of manufacturing.
Replacement is made under the address:
1, Kotzubinskogo street, 01030, Kiev, Ukraine
Sale date Manufacturing date
SELLER Approval mark
1
