VENCO VHR Series, Installation, Operation, & Maintenance Instruction

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10. TRAINING of TECHNICIANS
Assembly, putting into operation and maintenance works can only be done by authorized and trained
technicians. The technician has to be informed by the owner of the unit
or it’s user about possible dangers
he/she may face during following phases:

Electrical Connections

Duct Connections

Putting Into Operation

Maintenance
For the continuity of the warranty, control and maintenance responsibilities have to be accepted and followed
strictly. You can apply to VENCO A.S. to train your authorized technicians.
11. RECOMMENDATIONS FOR SAFETY
This user manual is prepared to provide correct usage and assembling of the heat recovery unit and warn the
maintenance personnel for the possible dangers they may face. Apart from instructions and warnings of the
producers, legal rules and standards have to be taken into consideration as well.
12. START-UP
Instructions have to be followed before operating the unit first time (or after yearly maintenance). Additionally
following controls have to be followed.

Please make sure that all parts of the unit are clean. There can be duct insulation residuals, bands etc.

Please make sure that all electrical cables are made according to (EN 60204-1) standards and security
and protection units belong to all elements.

Please take out filters after the first operation and clean them properly. Then insert the filters in it.

If all access doors are taken out during the assembly, please make sure that service doors are closed.
Control the adjustment of thermal over load relay. Give electricity and provide the fan to operate in the highest
speed. Control the following points carefully:

Unexpected noise

Motor current and voltage values
13. MAINTENANCE
Protection maintenance program is an important part of an effective security program. Maintenance works
have to be carried out by experienced and trained personnel with wearing protection clothing. Please do not
try doing any maintenance before switching off the electricity and having fan security.Generally heat recovery
units do not require special maintenance apart from its routine cleaning and maintenance. Maintenance period
changes according to work conditions. Advised maintenance program is given below:
Drain Outlet; once in 3 months, please check water flow from drain pipe.
Air Filters; once in 3 months, please check the filters. Please wash it or change it when necessary.
Fans and Motors; Once every-season, please check them by opening access door.