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10. START-UP AND OPERATING
10.1. Commissioning
Instructions have to be followed before operating the unit for the first time (or after yearly
maintenance). Additionally, following checks have to be done.
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 connected according to (EN 60204-1) standards and
security and protection units belong to all elements
CABINET
; Make sure that the clean up all the parts of heat recovery unit. Check the service covers are
installed at the correct places.
FILTERS
;. All filters must be put inside the unit.
HEAT RECOVERY EXCHANGER
;. Check the surface of battery if any pieces on it. Fill the pan with water
to control the draining and make sure that the siphon is not obstructed.
FAN and MOTOR GROUP
; Before commissioning of unit, the fan and motor mounting screws should be
checked carefully. After switching on the unit, the sound should be listened. Motor current values should be
checked with label values whether it is appropriate.
10.2. Operating
After maintenance and service manufacturer's instructions should be followed. In addition please check
the below introductions
–
. Check the fan and the motor spins freely.
–
Check the fan at the entrance for any residual.
–
Fan and motor connections.
–
Check duct connections in accordance with manufacturer recommendations and check if they are
designed in accordance with acceptable engineering practice.
–
Check the service doors closed and the filters are installed. If the unit will start up while the service doors
are open, the fans will take excessive current and fan motors may burn out.
Check the following points carefully: Provide electricity and run the fan to operate in the highest speed.
–
Check unexpected noise
–
Motor current and voltage values
Stop the operation immediately if any problem appears. Turn off the power. Please check the reason of the
problem and, correct it. Check the motor current, and check whether it matches the value on the motor label.
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