Chapter Ⅱ Installation（5. Installation and Heat Insulation for Pipelines of Water System）
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4）Water flow switch should be installed on horizontal pipes, and make sure that size of A in
above diagram is at least 5 times larger than pipe caliber;
5）The wiring distance between the water flow switch and the units should be less than 10m,
and the water flow switch should be installed at a position where wiring is easy;
6）Water flow switch project should have corresponding rain-proof equipment (rainproof cover
should be set up).
5.3 Installation of Water Level Switch
5.3.1 Installation of Electrode Type Water Level Switch
Gree commercial water heater adopts 4-level water level switch and one-level water level
switch. 4-level water level switch is applied in heating water tank and one-level water level switch
is applied in heat-accumulating water tank. If the system is not installed with heat-accumulating
water tank, one-level water level switch is not needed.
5.3.1.1 4-level Water Level Switch
(1) Function Introduction
Electrode-type water level switch adopts 4-level electrode to detect water level. Various water
yield can be achieved through setting different water level modes (detailed setting of water level
modes please refer to Sheet 1), in order to achieve the function of controlling water makeup.
(2) Operation Introduction
○
1 Introduction of Wired Controller Interface
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