Ⅴ
Trial running /commissioning
1
、
Trial running must after all the installation is completed
2
、
Please confirm the following matters before the trial operation, put “√”in the boxes after
confirmation
● Unit is installed correctly ● Power supply meets unit's rated need
● Piping, wiring correct ● Unit air inlet/outlet well-ventilated
● Drain off water well ● Leakage protective device act effectively
● Pipe insulation is perfect ●Grounding wire connected correctly
3
、
After check and ensure correct, then start unit. If the control panel display nothing, that
power supply phase sequence must be reversed, in order to protect the compressor the
unit doesn't switch on. Please replacing the phase sequence and switch on again .Control
panel would display time, setting temperature and current temperature
4
、
Open unit's water inlet and outlet water valve when depth of Water tank's water is 30cm
higher than unit's inlet port to empty the pipe system, and then press ON/OFF button
switch on the unit, unit's trial running would check the following:
Operation panel 's function keys are normal or not
;
4.1
The indicator is normal or not
;
4.2 The whole circulating hot water system whether there is water leakage
;
4.3 The condensed water discharge is normal or not
;
4.4 Unit's gas system pressure is normal or not (according to the water temperature detect
high, low pressure)
;
4.5 whether there is abnormal sound and vibration in unit running state
;
4.6 The wind, sound and condensed water from unit whether effect to neighborhood
;
4.7 whether there is leakage of refrigerant
。
Note: There is a delay protection in unit, ex: an immediate start or restart, unit would switch on
3 minutes delay in order to protect compressor
9
Содержание NERS-B1.0S-P
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