RY air-cooled heat pump the correct use

First of all, after the heat-conducting oil pump and the pipe are installed, whether it be the use of water pressure, air pressure, heat pump inlet and outlet valve must be closed before pressure test to prevent damage to seals, resulting in oil spills.
1. Ready to boot
(1) clean up the site, unscrew the bearing screws, add thermal oil as lubricant.
(2) Check if the motor direction is the same as the direction of rotation of the heat transfer oil pump.
(3) hand-moving coupling pump should be flexible rotation.
(4) should be used before the boot of the thermal conductivity of oil will be filled with thermal oil pump to get rid of heat transfer oil pump air, this time spit outlet pipe gate valve should be closed.
(5) The heat-conducting oil delivered should be uniformly heated before driving, and the preheating is carried out continuously by using the heat-conducting oil being conveyed. Preheat standard: heat pump oil pump casing temperature not lower than the inlet oil temperature 40 ℃, preheat speed of 50 ℃ /, warm-up when the pump should be on the side legs nuts loose 0.3-0.5 mm, preheated Should be tightened.
(6) Before starting the machine, check whether the bolts are loose and the seal is normal or not.
2. Boot
(1) a comprehensive inspection of the preparation is perfect.
(2) Open the switch of various instruments.
(3) Turn on the power, when the heat transfer oil pump reaches the positive speed, and the instrument shows a considerable pressure, gradually open the gate valve on the output pipe and adjust to the need conditions. In the case of a closed gate valve on the output line, the pump must not work continuously for more than 3 minutes.
(4) During the initial operation of the heat-conducting oil pump, the equipment in the production process is gradually heated to 100-130 ° C., and kept running at this temperature. The dewatered air is completely evaporated into the oil in the heat-conducting oil, and the equipment is heated To the operating temperature.
(5) Turn off the heat transfer oil pump after the equipment is heated to the operating temperature for 3-4 hours, check the concentricity of the heat pump oil pump shaft and the motor coupling. The deviation of the pump shaft and the motor shaft should be controlled within the allowable range Within the pump shaft rotation hand should be lightweight and flexible rotation, if not meet the above requirements, should be re-adjusted.
(6) The boot process, we must always pay attention to motive power readings and vibration conditions, the vibration value does not exceed 0.6 mm, if the abnormal shutdown should be checked.

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