Frascold D4-18.1Y Semi-Hermetic Refrigeration Compressor – 3 Phase
The Frascold D4-18.1Y is a two-cylinder, semi-hermetic reciprocating compressor for commercial refrigeration applications. Featuring a 4 HP / 3 kW motor and 17.9 m³/h displacement at 50 Hz, it offers a serviceable solution for new systems and replacement installations.
Standard features include INT69 electronic motor protection, an IP56 terminal box, suction and discharge service valves, oil level sight glass and rubber vibration dampers.
Technical Specifications
| Specification | Details |
|---|
| Model | D4-18.1Y |
| Compressor type | Semi-hermetic reciprocating |
| Cylinders | 2 |
| Nominal motor power | 4 HP / 3 kW |
| Power supply | 400 V / 3 phase / 50 Hz |
| Motor starting | Direct-on-line, star connection |
| Displacement at 50 Hz | 17.9 m³/h |
| Maximum operating current | 12.5 A |
| Locked rotor current | 52 A |
| Suction connection | 1⅛″ |
| Discharge connection | ¾″ |
| Lubricant | Frascold POE32 |
| Oil charge | 1.2 litres |
| Terminal box protection | IP56 |
| Dimensions — L × W × H | 401 × 242 × 317 mm |
| Base mounting centres | 234 × 194 mm |
| Net weight | 55 kg |
Recommended Options — Available Separately
| Option | Part Number | Application |
|---|
| Crankcase heater — 230 V, 50 W | T00CH13-RIC | Helps limit refrigerant migration into the oil during shutdown. |
| Head cooling fan — 230 V, single phase | SZ-FM1 | Additional head cooling where required by operating conditions. |
| RSH capacity control head — 230 V AC | T00SK220330 | Provides 100% / 50% capacity control for varying refrigeration loads. |
| Electronic oil level regulator | T00EC1900 | For systems requiring active oil level management. |
| Oil equalisation adaptor kit | Connection dependent | For parallel compressor installations requiring oil equalisation. |
Accessories are supplied separately. Confirm accessory compatibility, refrigerant suitability and cooling capacity against the selected operating conditions.
Sources: Frascold technical specifications, Frascold accessory part numbers.
