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19
IM,
O&M Instructions – Heat Pump
14.1
Before starting
ALWAYS
Check that electrical supplies are isolated before any maintenance work is carried out. Failure to isolate
the electrical supply may result in electric shocks through contact with the interior parts. Only a qualified
installer or qualified service person is allowed to remove grilles or access panels of the door curtain to
carry out the work.
Place a “Work in progress” sign and safely lock the isolator in the off position while the installation,
maintenance or repair work is being carried out. There is a danger of electric shock if the isolator is ON
by mistake.
Make sure that only a qualified installers or qualified service persons are allowed to undertake work at
heights using a stand of 50cm or more to remove grilles or access panels of the door curtain to
undertake work.
Wear protective gloves and safety work clothing during installation, servicing and removal.
When working at height carry out a risk assessment and take adequate precautions to protect yourself
and others from falls or objects falling from heights.
Remove any builders’ dust within the door curtain before the unit is run.
NEVER
Carry out any electrical work unless the wiring diagram is available.
Climb onto or place objects on top of the door curtain. You may fall or objects may fall off and result in
injury.
14.2
Service
ALWAYS
Inspect for mechanical and electrical defects. Failure to regularly inspect the unit for signs of mechanical
vibration (often due to dirt build up on fan impellers) may cause metal fatigue in fixings or suspension
brackets and the unit may fall down resulting in injury.
Electrically test the insulation of the fan motors and associated wiring.
Gently rotate the impeller (s) by hand to ensure free rotation.
14.3
Cleaning
ALWAYS
Clean Grilles with hot soapy water and a soft cloth. All grilles are replaceable if the need arises.
Gently brush out dirt and dust etc. from the motor, fan impeller, fan casing and shafts
.
Use a vacuum cleaner and brush to remove dust from the motor ventilation holes to ensure that motor
cooling is maintained at maximum efficiency.
NEVER
Spill cleaning materials over the motor and wiring.
14.4
Lubrication
ALWAYS
WARNING:
Failure to adequately maintain and clean the unit as detailed in these operating & maintenance
instructions will result in a loss of performance and reduced life expectancy of the air-curtain.
WARNING:
Failure to adequately maintain the unit may void the warranty. If any problems are
encountered, please contact your installer/supplier.
Lubricate bearings as these are sealed-for-life.
14.0 Service & Maintenance Instructions
