DOUBLE PRESSURE CONTROL
Characteristic HLP series pressure control in the refrigeration and air-conditioning systems, for general Control or high-low limit control.The standard model for Freon, air, liquid and other non-corrosive media. Also can be used for ammonia refrigerant with a special specification. (Allowance fluid temperature -10 ºC/100 ºC) Provide international standard mounting bracket, can be installed any position on the system. SPDT switch contact to ensure reliable conversion. Standard models of the products, the material of bellows is copper, the pressure interface is brass; for ammonia refrigerant pressure bellows and pressure interface stainless-steel material.
Product Description
DOUBLE PRESSURE CONTROL
Characteristic HLP series pressure control in the refrigeration and air-conditioning systems, for general Control or high-low limit control.
The standard model for Freon, air, liquid and other non-corrosive media. Also can be used for ammonia refrigerant with a special specification. (Allowance fluid temperature -10 ºC/100 ºC) Provide international standard mounting bracket, can be installed any position on the system. SPDT switch contact to ensure reliable conversion.
Standard models of the products, the material of bellows is copper, the pressure interface is brass; for ammonia refrigerant pressure bellows and pressure interface stainless-steel material.
Model Specification
| MODEL | Low Pressure | High Pressure | Reset Pressure | Factory Setting | ||||||
| Pressure Adjust Range |
Differentral | Pressure Adjust Range |
Differentral | Low Pressure |
High Pressure |
Low Pressure | High Pressure | |||
| Off | On | Off | On | |||||||
| L830 | -0.5 ~ 6 | 0.6 ~ 4 | 8 ~ 30 | 3 ~ 5 (Fix) |
Auto | Auto | 3 | 2 | 20 | 15 |
| L830HM | -0.5 ~ 6 | 0.6 ~ 4 | 8 ~ 30 | ?5 | Auto | Manual | 3 | 2 | 20 | Manual Reset |
| L830HLM | -0.5 ~ 6 | ?1 | 8 ~ 30 | ?5 | Manual | Manual | 3 | Manual Reset |
20 | Manual Reset |
Maximum bellows testing pressure: Low 16.5 bar, high 33 bar. Scale plate use bar and psig units;
Could be used mpa , kgf/m units also as customer require.
Connection could as customer require use British unit flare(E), solder (C) and capillary(S), such as HLP830E;
Ammonia refrigerant model added a code B, such as HLP830B.
Electric Rating
| RATED VOLTAGE (V) RATED AMPS (A) |
125V | 250V | 24V | ||
| A.C. | A.C. | D.C. | |||
| Non-Inductive Current | 20A | 10A | 10A | ||
| Industive | Full Load Current | 15A | 8A | 8A | |
| Current | Locked Roter | 72A | 64A | ||
