VENCO VHR 04, Installation, Operation, & Maintenance Instruction

Page: 14 / 31

2019.10 14 / 31
precautions are not followed. For this reason the necessity was felt to explain security rules of heat recovery
units and explain possible dangers and precautions.
Possible dangers related to heat recovery units are as follow;

Dangers directed to operator security

Dangers directed to unit damage

Dangers directed to unit operation productivity.

Never expose the unit to moisture, strokes and external effects.

The unit should not be used in the environment where corrosion and explosive gasses exist.

The unit should be maintained by trained technicians.

Do not repair or adjust, when the unit is running.

Turn the electrical switch off and wait for the motor blades stop, before open the unit.

Never expose fans, cables and connections to the water.

If the outside temperature is less than -
5°C, the unit must be stopped and you should contact with VENCO.
The condense water can be frozen at the temperature less than -
5°C, it can be damaged to the exchanger.

Do not operate the unit, when the access doors open and the duct connections are not completed.
8. SAFETY LABELS
Necessary warning labels are placed onto unit for the users or service personnel. When the unit is put into the
operation, following stickers have to be controlled whether they are existing or not.
Figure 8.1. Manuel label
Figure 8.2. Electrical warning
label
Figure 8.3. Temperature
warning label
Figure 8.4. Repair warning label
Figure 8.5. Wiring diagram label