Operating Instruction
Healthcare chiller of the KSC Series
Version „Revision 09“
Type KSC 215-L-U/S
page 34von138
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Leak Test refrigerant circuit
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Check setting HP and LP switch
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Check refrigerant moisture indicator
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Check function of refrigerant metering and shut of
valves
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Check refrigerant connections for leaks, tighten where
required
AIR COOLED CONDENSER / FAN
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Check for damage and corrosion
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Check general condition of condenser and fan
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Check operation of condenser fan
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Check journal for noise or excessive vibration
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Clean fan blade and check for vibration
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Check operation of condenser safeties
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Clean condenser coil as needed
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Leak test condenser
EVAPORATOR
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Check systems for contamination, damage, corrosion
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Record refrigerant temperature
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Record inlet and outlet water temperature
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Record superheat temperature
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Leak check refrigerant and water circuit
CHILLED WATER SYSTEM
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Check chilled water piping and insulation for
damage
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Check compensators for damage
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Check for water leaks
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Check water filter for dirt
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Check piping and fittings for damage and
leaks
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Check function of bypass valve
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Check function and sealing of shut off valves
CHILLED WATER PUMP
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Check for contamination, damage, and corrosion,
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Check Operation of pump
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Check rotary seals
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Check operation on controls and safeties
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Record current readings and compare to rated
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Check strainer for damage
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Clean strainer if required
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Check for noise or excessive vibration of pump
PIPE AND EXPANSION VESSEL
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Check for defilement, damage, corrosion,
fixing
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Check insulation for damage
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Check operation of thermometers
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Check operation of manometers
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Fill system to to maintain operation level 1,5
bar
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Check and maintain ethylene glycol at min.
35% to max. 38% concentration
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Check operation of safeties
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ventilate water circuit
ELECTRIC CONTROL PANEL MSR
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Check for contamination, corrosion, damage
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Check integrity of protection covers and panels
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Check and tighten all connection
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Check and tighten all operational components
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Check contactors and relays for operation
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Check contacts on contactors and relays
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Check operation of switches, safeties and controls
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Make adjustments on operational controls and
safeties.