Owner's Manual
13
7. INDUSTRIAL SAFETY INSTRUCTION
Special instructions concerning safety NOTE
• Prior to any work connected with the device, the device must be disconnected from the power supply and be secured properly.
Wait until the fan stops.
• Use stable assembly platforms and hoists.
• Depending on the heating agent temperature, piping, parts of the casing, heat exchanger surface can be very hot, even after the fan
stops.
• There may be some sharp edges! During transport, use protective gloves, protective clothing and safety shoes.
• The health and safety instructions must be followed.
• Loads can be fastened only in places designed for it in a transport unit. While devices are lifted by an assembly unit, their edges
need to be secured. Distribute the load evenly.
• The device needs to be protected against moisture and dirt and should be stored in rooms secured against atmospheric
influences.
• Disposal: Take care to dispose of used materials, packaging material and spare parts in a safe way, one which is not harmful to the
environment and is in accordance with local regulations.
8. SERVICING
8.1 PROCEDURES IN CASE OF DEFECTS
VR Mini, VR1, VR2, VR3, VR-D
Problem
Check points
Description
Heat exchanger leaking
● assembly of the exchanger connections with two wrenches
(adjustment), which safeguards against internal twisting of the
collectors,
● Check if the leakage may be associated with mechanical
damage to the exchanger,
● Vent valve or drain plug leaking,
● Heating agent parameters (pressure and temperature) – should
not exceed permitted values,
● type of heating agent (it cannot be aggressive to Al and Cu),
● Circumstances when the leakage appears (e.g. during the first,
tentative installation start-up, when the installation is filled up
after the heating agent has been drained) and outside
temperature at the time of failure (risk that the exchanger may
freeze),
● Possibility of operating in aggressive conditions (e.g. high
concentration of ammonia in the air in a sewage-treatment
plant),
Pay special attention that the exchanger may freeze during winter time.
99% of registered leakages appear during installation start-up/ pressure
tests. The defect can be removed by pulling back vent or drain valve.
Fan works too loud
● check the device assembly for conformity with the
instructions in operation and maintenance manual (e.g.
distance from wall/ceiling),
min. 15 inches
● Device appropriately level led,
● Correctness of electric connections and qualifications of the
wireman,
● Inlet current parameters (e.g. voltage, frequency),
● noise at lower gears (possible controller failure?),
● Noise only at higher gears (regular situation explained by
aerodynamic characteristics of the device, if there outlet air
chokes),
● type of other devices operating in the building (e.g. induced
draught fans) – intensified noise caused by simultaneous
operation of many machines,
● Does the fan rub against the casing?
● Is the fan evenly screwed to the casing?
Level of operating noise of VOLCANO devices is perceived subjectively. If the
device is made of plastic, it should operate quietly. It is recommended to
unscrew the clamping screws and tightening them up again. If the fault does
not disappear, you should make a complaint.
Fan does not work
● Correctness and quality of electric connections and
qualifications of the wireman,
● Inlet current parameters (e.g. voltage, frequency) on the clamp
block of fan engine,
● Correctness of operation of other devices installed in the
building,
● Correctness of wire connections on the engine side acc. to the
manual, in comparison to wires clamped in the engine terminal
strip,
● PE conductor voltage (if present, may mean there is a break-
down),
● Is N conductor correctly connected to the fan.
Electrical connection need to be done strictly according to the
drawings in the manual.
Damaged casing
● Circumstances when it was damaged – notes on the bill
of ladings, stock issue confirmation, condition of the
box,
If the casing is damaged, make photos of the box and device, and photos
confirming that the device serial number on the device and on the box
are the same. If the device was damaged during transport, it is necessary
to write down an appropriate statement by the driver, who delivered
the damaged device
Actuator does not open the
valve
● Correctness of electric connections and qualifications of the
wireman,
● Correctness of the thermostat operation (characteristic
tick sound during change- over),
● Inlet current parameters (e.g. voltage),
The most important is to check whether the actuator responded to the
electric impulse.