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(2) Exhaust Air
After adding water for the first time or replacing water, exhaust the air in the water pump to
start use, otherwise the equipment will be damaged. The exhaust method is as follows
Method 1: Under the state of shutting down, after adding water, remove the water outlet
and connect the water pipe, drain for 2 minutes, and then install it firmly.
Method 2：Open the water supply inlet, after starting the machine (water flows), repeatedly
press and fold the water pipe several times to drain the air from the pipe.
8.Test-run Check
Check whether the water pipe connection is correct, and there must be no bubbling
(1)
or water leakage;
Check whether the valve of water outlet is closed.
(2)
Check the liquid level of the water tank;
(3)
Confirm that the electrical wiring of the equipment is connected correctly;
(4)
Confirm whether the equipment is grounded.
(5)
V.
Operating States & Parameter Adjustment
The new T-503D intelligent temperature controller is designed with intelligent control mode.
It will self-adjust controlling parameters according to room temperature for meeting
equipment cooling requirements.
The new T-504D intelligent temperature controller is designed with constant temperature
control mode with water temperature maintained at 25℃. Users can adjust it as needed. T-
503D and T-504D controllers are of same functions and structure except factory setting.
Temperature control panel introduction
1.
(1) Indicators D1, D2 (as shown) of thermostat working state
D1 ON: thermostat works in the intelligent control mode;
D1 OFF: thermostat works in the temperature control mode;
D1 FLASHES: thermostat works in the parameters setting mode or displays value of
roomtemperature;
D2 ON: chiller works in the refrigerating state;
D2 OFF: chiller works in the insulation working state;
D2 FLASHES: chiller works in the energy-saving state;
(2) Press ▼ button: the room temperature will be shown. Press this button for 6 seconds, the
restored defaults will be shown. Meanwhile, D1 is flashing, displaying he room temperature.
(3) ▲▼ keys are for adjusting the display status of the controller, parameters selection and
adjustment.
(4) RST key: enter key.
(5) SET key: function setting key.
Restore to factory settings
2.
Before starting the machine, press and keep holding ▲▼ button then turn on the chiller,
and don't release the buttons until the controller displays rE. The controller works in
12
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