CHECK LIST
CHILLER-IOM-2004-E
55
This check list should be filled in by the contractor to make sure that unit installation takes place according to appropriate industry practices.
WARNING: Disconnect the power supply before carrying out any inspections on the unit. If the unit must be left powered up,
proceed with precaution to avoid risk of electrocution.
Note: some units have a separate control circuit supply that is not isolated when the main power supply is OFF. This must be
isolated separately.
RECEPTION
•
Check absence of transport damage
•
Check for missing items
•
Availability of suitable lifting gear, slings and spacers
UNIT INSTALLATION
•
Shipping crate removed
•
Clearances checked
•
Vibration isolators mounted
•
Unit set in place
•
Unit levelled
CHILLED WATER CIRCUIT
•
All piping checked for leakage
•
Thermometers installed
•
Water pressure regulator installed
•
Balancing valves installed
•
Flow switch installed
•
System rinsed, cleaned and filled before being connected to the unit. Check presence of filter on unit inlet and state of cleanliness
of the filter.
•
Checked operation of the pump and evaporator pressure drop
CONDENSER WATER CIRCUIT
•
Checked order of power supply phases for scroll and screw compressor units
•
All piping checked for leakage
•
Thermometers installed
•
Water pressure regulator installed
•
System balancing valves installed
•
System rinsed, cleaned and filled before being connected to the unit. Check presence of filter on unit inlet and state of cleanliness
of the filter.
•
Checked operation of the pump and condenser pressure drop
ELECTRICAL EQUIPMENT
•
Check the main power supply matches the unit data plate.
•
Check that the unit is correctly earthed
•
Checked order of power supply phases for scroll and screw compressor units
•
Checked correct direction of rotation of fan motors and proper operation of the latter.
•
Direction of rotation of pump correct
•
Control cabinet wired up.
•
Power supply conforms with unit nameplate indications
•
Pump starter and flow switch circuits complete and in working order
•
Pipe heaters installed on all piping exposed to freezing temperatures
•
All unions tightened with a torque wrench
GENERAL
•
Cooling load available, minimum 50 %
•
Coordination between different professions for final commissioning
CUSTOMER ORDER NUMBER ....................................................... LENNOX REFERENCE: ............................................................
DESIGNATION ..........................................................................................................................................................................................
COMMENTS:.............................................................................................................................................................................................
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NAME: .....................................................................................................SIGNATURE:
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