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F High exhaust
pressure alarm
G Excessive low
exhaust pressure
alarm
H Water
temperature is
difficult to control
or cannot be
controlled
I. The
air-conditioner
water cycle is
difficult
J The unit can't
start, with flow
alarm
Note: If there are other problems or technical problems that need help, please call our York Service Center. Only professional York
Maintenance Service Center can provide trained professional maintenance personnel and necessary equipment to carry out correct
machine maintenance and ensure the ideal operation conditions of machine.
Cooke Industries - Phone: +64 9 579 2185
1. Insufficient cooling water flow
2. Excessive high cooling water
temperature
3. Condenser's filth blockage
1. Low inflow water temperature of
cooling water
2. Low inflow cooling water/chilled
water temperature difference
1. Thermostat setting is not accurate
2. The temperature difference
between the inflow and outflow
water of the heat exchanger is not
correct
3. There is fault in electronic control
system
1. There is gas in the circulation
system
2. There is precipitate or impurity in
heat exchanger
1. The water circulation stops
2. No water flow or the water flow is
small
Email: sales@cookeindustries.co.nz
1. Check whether the system water flow meets
the operation requirements of the unit
2. Reduce the inflow water temperature of
cooling water
3. Clean the condenser
1. Adjust the cooling water flow to increase
the condensation temperature within
allowable flow range
2. Adjust the water flow of the cooling water
or the chilled water within allowable flow
range to increase the condensation
temperature, or reduce the evaporation
temperature
1. Check the temperature setting on the
control panel
2. Check water flow and water injection
condition of water circulation system
3. Contact professional service center
1. Extract the gas from the exhaust valve
2
Flush the heat exchanger with adverse
current
1. Check the water pump and pipeline valve
2. Check the water filter
76
Maintenance
Web: www.cookeindustries.co.nz
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