26
System 2:
1
2
4
3
5
13
14
3
15
12
11
11
10
WATER INLET
7
8
9
8
WATER OUTLET
OVERFLOW OUTLET
6
TERMINAL DEVICE
TERMINAL DEVICE
WATER INLET
WATER OUTLET
AUXILIARY ELECTRICAL HEATER
13
12
11
9
8
7
15
6
8
14
4
1
3
2
10
1 Pressure Gauge (0-1MPa) 7 Auto air vent valve 13 Check Valve
2 Flexible Joint 9 Water Tank 14 Bypass Valve
3,5,8 Gate Valve 10 Y-strainer 15 Thermometer (0-100°C)
4 Drain Valve 11 Reducer
6 Expansion Tank 12 Pump
NOTE: BOTH SYSTEM 1 AND SYSTEM 2 CAN BE USED ON LESS THAN 6 UNITS CONNECTION (INC. 6 UNITS). ONLY SYSTEM 2 CAN
BE USED ON MORE THAN 6 UNITS CONNECTION. THIS IS HELPFUL FOR BALANCE OF THE HYDRAULIC SYSTEM.
Prior to starting up the unit, ushing of the water system is required:
1. Shut off the inlet and outlet valves and turn on the bypass valve.
2. Run the pump to circulate the water in the system for a while.
3. Open up the strainer to inspect the lter.
4. Clean the lter if necessary to ensure no debris trap in the piping system.
5. Shut off the bypass valve and turn on the inlet and outlet valves.
6. System is ready for operation.
CAUTION:
If the chiller is operated under very oily, salty or acidic atmosphere or water, these substances may lead to capacity drop or failure of the unit.
More than 6 (including 6) combined modulars must apply reverse return system.
Make sure the pump is controlled by PCB controller, otherwise the heat exchanger may be frozen broken.
Be sure to use clean water when lling in the water circuit to avoid heavy corrosion and choking of the system.
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