Dual Pressure Switch for HVAC/R Compressor, Low Pressure Auto Adjust
Description
Where should a pressure switch be installed?
Except for special installations such as constant pressure water pump systems in-well systems that do not use a conventional water pressure tank or water storage tank, the pressure control switch should be located as close to the pressure tank as possible.
Q830 series dual pressure controls can be not only used in fluorinated refrigerant, but also in the air
and liquid (allowed liquid temp. -20 to 120°C)
Adjustable range and differential settings.
Renovated SPDT micro-switch ensures the reliable switch function.
Flexible mounting bracket suits various kids of application.
Upper lid is optional (IP44)
Various connections are available on request.
Automatic and manual reset version
The material of bellows is copper and pressure interface is brass.
CE approval
Specification
| Model | Low pressure(bar) | High pressure(bar) | Reset form(bar) | Factory setting(bar) |
| Pressure adjust range | Differential | Pressure adjust range | Differential | Low pressure | High pressure | Low pressure | High pressure |
| OFF | ON | OFF | ON |
| Q830 | -0.5~6 | -0.6~4 | 8~30 | 3~5(fixed) | Auto | Auto | 3 | 2 | 20 | 15 |
| Q830HM | -0.5~6 | -0.6~4 | 8~30 | ≤5 | Auto | Manual | 3 | 2 | 20 | Manual reset |
| Q830HLM | -0.5~6 | ≤1 | 8~30 | ≤5 | Manual | Manual | 3 | Manual | 20 | Manual reset |
Dimensions(mm)
Electric Wiring
| Rated Amps(A) Rated Voltage(V) | Power Factory (Cosφ) | 125/250V AC |
| Non-Industry Current | 1 | 12 |
| Industry Current | Full Load | 0.75 | 12 |
| Locked Roter | 0.45 | 72 |
Connection & Installation
Mounting Plate
Product Tags:
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Dual Pressure Switch for HVAC/R Compressor , Low Pressure Auto Adjust Images
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