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Technical information Chillers Thermostatic expansion valves. Installation

Thermostatic valves. Installation

Expansion valve must be installed in the liquid line, ahead of the evaporator, with his lamp attached to the suction line as close as possible to the evaporator as possible. If the external pressure alignment, the alignment of the line must be connected to the suction line immediately after the lamp. Light best mounted on a horizontal line suction tube and in a position corresponding to between 1 hours, and 4 hours. The location depends on the external diameter of a pipe.

Note:

  • The bulb should never be located at the bottom of the suction line because of the potential for oil laying in the bottom of the tube, causing false signals.
  • The lamp must be able to feel the suction temperature of superheated steam and, therefore, should not be located in a position that puts it to extraneous heat/cold.
If the bulb is exposed to warm air current, isolation from the lamp is recommended.

Danfoss lamp strap tight and reliable fastening of the lamp tube, thus ensuring that the lamp has a finite thermal contact with the suction tube.

TORX screw design makes it easy for the locksmith for transmission of torque from the tool to screw, without needing to click on a tool in the threaded socket. In addition, with the TORX slot design, there is no risk of damaging the screw slot. Lamps must not be installed after the heat exchanger, because in this position it will give false signals to the expansion valve. The bulb should not be installed close to the components of a large mass, as this will also generate false signals expansion valve

As mentioned earlier, the ball must be installed on the horizontal part of the suction line immediately after the evaporator. It must not be installed to the collection tube or riser after the oil pocket. Expansion valve bulb should always be installed in advance of any liquid castle...

 
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