685408006D 43
cooling unit.
Make sure that no strong interfenrence sources surrouding the communication wires. Connect each
cooling unit’s (+, -, PE) terminal correctly.
Please follow the wiring diagram, it will damage the equipment with wrong wiring.
No external voltage may be applied!
10 Operating condition
•The voltage must be within 230 ± 10 of the value indicated.
•The frequency must be within ±3Hz of the value indicated.
•Ambient temperature must be below 55.
•Use the unit such that the cooling capacity suits the actual demand.
•Use genuine spare parts only.
•There is no barrier in the inner and outer air circulation.
• The power cable and alarm cable is connected correctly.
11 Putting into operation and function
Please refer to section 7.1 for the function and options.
11.1 General remarks
• The cooling unit is provided with an electronic control system.Internal temperature is measured by a
temperature sensor. The target setting point of the cooling unit can be set through operating display, (See
Appendix I).
• The cooling unit is provided with power-on self-test and real-time monitoring function. The cooling unit will
generate an alarm when there is a failture during power-on self-test.
The cooling unit mustn’t be switched on without the front cover mounted, otherwise it will be damaged by
poor heat dissipation.
To Next Page
Loading...