J&E Hall Cellar Plus 70-S1, Техническое руководство

Страница: 32 / 35

Issue: 01.07.2020 Page 32
Technical Information
Dual Pressure Switch
Safety pressure switch settings
The pressure switches fitted to condensing units with auto reset for low pressure and manual reset for high pressure
are
NOT factory preset.
Setting Procedure for Dual Pressure Switch
High Pressure side:
Turning the adjusting screw (8) clockwise will increase the cut-out pressure setting. Turning the adjusting screw anti-
clockwise will decrease the cut-out pressure setting. The differential setting is fixed so the cut-in will vary with the
cut-out setting. Lock the spindle with locking plate after setting.
Low pressure side:
Range: Turning the range adjusting screw (2) clockwise will decrease the cut-in pressure setting. Turning the range
adjusting screw anti-clockwise will increase the cut-in pressure setting.
Differential: Turning the differential adjusting screw (3) clockwise will increase the differential pressure setting.
Turning the differential adjusting screw anti-clockwise will decrease the differential pressure setting.
Lock the spindle with locking plate after setting.
1. Micro Switch
2. Range Adjusting Screw
3. Differential Adjusting Screw
4. Low Pressure Scale plate
5. Low Pressure Range pointer
6. Differential pointer
7. Low Pressure Bellows cover
8. High Pressure range Adjusting
Screw 9. High Pressure Scale plate
10. High Pressure Range pointer
11. High Pressure Bellow cover