MCAC-ATSM-201606 Aqua Tempo Super Series air cooled scroll chiller unit (50Hz)
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14
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Commissioning
1. Preparation
● After the water system pipeline is flushed several times, please make sure that the purity of water meets
the requirements; the system is re-filled with water and drained, and the pump is started up, then make sure
that water flow and the pressure at the outlet meet the requirements.
● The unit is connected to the main power 12 hours before being started up, to supply power to the heating
belt and pre-heat the compressor. Inadequate pre-heating may cause damages to the compressor.
● Setting of the wired controller. See details of the manual concerning setting contents of the controller,
including such basic settings as refrigerating and heating mode, manual adjustment and automatic
adjustment mode and pump mode. Under normal circumstances, the parameters are set around standard
operating conditions for trial run, and extreme working conditions should be prevented as much as possible.
● Carefully adjust the water flow switch on the water system or the inlet stop valve of the unit, to make the
water flow of the system accord with the water flow in specification table.
2. Test run
6.3.1 Start up the controller and check whether the unit displays a fault code. If a fault occurs, remove the
fault first, and start the unit according to the operating method in the “unit control instruction”, after
determining that there is no fault existing in the unit.
6.3.2 Conduct trial run for 30 min. When the influent and effluent temperature becomes stabilized, adjust the
water flow to nominal value, to ensure normal operation of the unit.
6.3.3 After the unit is shut down, it should be put into operation 10 min later, to avoid frequent start-up of the
unit. In the end, check whether the unit meets the requirements in specification table.
Notices:
● The unit can control start-up and shut-down of the unit, so when the water system is flushed, the operation
of the pump should not be controlled by the unit.
● Do not start up the unit before draining the water system completely.
● The water flow switch must be installed correctly. The wires of the water flow switch must be connected
according to electric control schematic diagram, or the faults caused by water breaking while the unit is in
operation should be the user’s responsibility.
● Do not re-start the unit within 10 min after the unit is shut down during trial run.
● When the unit is used frequently, do not cut off the power supply after the unit is shut down; otherwise the
compressor cannot be heated, thus leading to its damages.
● If the unit is not in service for a long time, and the power supply needs to be cut off, the unit should be
connected to the power supply 12 hours prior to re-starting of the unit, to pre-heat the compressor.
Содержание Aqua Tempo Super MC-SP25-RN1L
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