Pressure & Temperature Controls

Controls decide whether a machine protects itself or destroys itself. A low pressure switch cuts the compressor out when suction falls and restarts it on rise — the basis of pump-down and low-pressure protection. A high pressure switch does the opposite: it opens on rising discharge pressure and, with manual reset, forces someone to look at the fault instead of letting the compressor restart into the same condition. Alongside the pressure switches sit the thermostats: mechanical units with a vapour-filled bulb for fan coils, and digital units with LCD, key lock and setpoint limits for commercial rooms where customers should not be able to change the setting. Selection comes down to range, differential, reset type and contact arrangement. A differential set too narrow short-cycles the compressor; one set too wide lets the room swing. Both cost more in the long run than the switch itself.

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Electric Pressure Switch

H-01 – L-04

Opening pressure: 2.5 – 3.0 MPa (H); 0.02 – 0.3 MPa (L)

Closing pressure: 2.0 – 2.4 MPa (H); 0.15 – 0.45 MPa (L)

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Pressure Controller - S/D Series

S102X – S130X

Pressure range: -0.02 – 3 MPa

Differential range: 0.025 – 1 MPa

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مميز

Pressure Control - KP Series

KP1 – KP15

Pressure range: -0.9 – 32 bar

Allowable fluid temperature: -10 ~ +110 °C

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مميز

LCD Room thermostat

Z001 – Z005

Control accuracy: ±1 °C

Standby power: < 2 W

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مميز

Temperature controller

J001 – J004

Working range: 10 °C – 30 °C

Temperature accuracy: ±1 °C at 20 °C

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