Bitzer 4FESH-5, Reciprocating compressor, Semihermetic, 4 Cylinders
Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.
All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.
Compressor description by Ralkin
Bitzer ECOLINE H Series Compressor: Model 4FESH-5
The Bitzer ECOLINE H series represents the creative advancement of the proven, robust, and powerful semi-hermetic reciprocating ECOLINE range. It combines high efficiency, smooth running, flexibility in refrigerant selection, and high reliability, designed specifically as specialists for demanding conditions such as high-temperature heat pumps and transport applications. This series replaces its predecessors with the same connection sizes and features a reinforced drive gear and lubrication system.
Model Identification
- 4: Number of cylinders
- FE: Identification for bore x stroke
- S: ECOLINE series identifier
- H: Special design for transport applications and high-temperature heat pumps (equipped with a reinforced drive gear and lubrication system)
- 5: Motor size
- Y: Oil charge identifier (Polyolester oil BSE85K)
Technical Features
- Design: Downward compatible outer contour; specialists for demanding conditions with additionally reinforced drive gear.
- Valve Plate: New geometric concept for pressure valves for low rear expansion; high cooling capacity with minimal energy requirements.
- Motor: Efficient under full- and part-load thanks to broadband characteristics.
- Capacity Control: CRII system allows intermittent blocked suction for a control range of 100% to ~10%.
- Drive Gear: New piston and connecting rod design.
Specifications & Data
- Displacement at 50 Hz: 18.1 m³/h
- Heating Capacity (Qh): 14.55 kW (based on R515B at tₑ/t꜀ = 30°C/85°C)
- Oil Charge: 2.0 dm³
- Weight: 95 kg
- Max. Operating Current (Δ/Y Motor): 18.0 / 10.8 A
- Primary Refrigerants: R1234ze(E), R515B, R245fa
- Primary Oil Charge: Polyolester oil BSE85K
| Item num. | Ralco P/N | OEM P/N | Description (from OEM manufacturer) | Add | |
|---|---|---|---|---|---|
| 1 | 37283540 | Gasket set. | |||
| 2 | 34616212 | Built-in motor; dimensions: Ø190 (40S 5,5 HP). | |||
| 4 | KEY23220 | 38400304 | Parallel key; dimensions: 10 × 6 × 54 (steel DIN 6885 - A). | ||
| 5 | LCKCMMB045 | 32050209 | Washer; dimensions: Ø45 × Ø12,5 × 8; used in: Built-in motor. | ||
| 6 | SPGCMW12 | 38215003 | Thrust washer; dimensions: A12 (spring steel DIN 128); used in: Built-in motor. | ||
| 7 | 38016702 | Hexagon head screw; dimensions: M12 × 40 (DIN 933 - M12 × 40 - 10.9); used in: Built-in motor. | |||
| 8 | BLTCMA10X030 | 38015606 | Hexagon head screw; dimensions: M10 × 30 (DIN 933 - M10 × 30 - 10.9); used in: Bearing cover. | ||
| 9 | GKT23003C | 38240131 | Gasket ring; dimensions: A10 × 16 × 2 (copper); used in: Oil drain. | ||
| 10 | 30510741 | Bearing cover. | |||
| 11 | BRG2205 | 31112501 | Bearing bush / Slide bearing; dimensions: Ø40 × Ø36 × 30 (Radial). | ||
| 12 | GKT23200 | 37293703 | Gasket; dimensions: 2241 × 241 × 0,38; used in: Bearing cover. | ||
| 13 | AGT2303 | 32110503 | Oil splasher plate; dimensions: Ø185 × 51. | ||
| 14 | BLTCMA6X012 | 38015402 | Hexagon head screw; dimensions: M6 × 12 (DIN 933 - M6 × 12 - 10.9); used in: Oil splasher plate. | ||
| 15 | SPGCMW6 | 38215001 | Thrust washer; dimensions: S6 (spring steel). | ||
| 16 | 30229920 | Connecting rod / piston; dimensions: Ø41. | |||
| 17 | 30216222 | Connecting rod; dimensions: D58,3. | |||
| 18 | 30271004 | Piston complete; dimensions: Ø41. | |||
| 21 | 38231032 | Piston ring; dimensions: Ø41 × 1,5 (ISO 6622); used in: Wrist pin. | |||
| 22 | SGM23210 | 38230082 | Piston ring; dimensions: Ø41 × 1,5 (ISO 6622); used in: Piston. | ||
| 23 | CKS23200 | 30111150 | Eccentric shaft. | ||
| 24 | WAS2204 | 31210302 | Thrust washer; dimensions: Ø46 × Ø37,5 × 3; used in: Motor side. | ||
| 25 | BRG2205 | 31112504 | Bearing bush / Slide bearing; dimensions: Ø40 × Ø36 × 30 (Radial). | ||
| 26 | WAS23200 | 31300024 | Adjusting washer; dimensions: Ø45 × Ø33,1 × 2; used in: Motor side. | ||
| 27 | GRF2310 | 36131510 | Shut-off valve; dimensions: Ø16 - Ø14; used in: Discharge gas side. | ||
| 27 | GRF2310 | 36131510 | Shut-off valve; dimensions: Ø16 - Ø14. | ||
| 28 | GKT1236 | 37270203 | Gasket; dimensions: 35 × 60 × 1. | ||
| 29 | BLTCMA8X020 | 38034001 | Cheese-head screw; dimensions: M8 × 20 (ISO 14579 - M8 × 20 - 8.8). | ||
| 30 | HED23103 | 30236036 | Cylinder head; dimensions: 165 × 125 × 57. | ||
| 31 | PLU2E200 | 36610021 | Plug; dimensions: 1/8" - 27 NPTF; used in: Cylinder head. | ||
| 32 | BLTCMA10X065 | 38005604 | Hexagon head screw; dimensions: M10 × 65 (DIN 931 - M10 × 65 - 10.9); used in: Cylinder head. | ||
| 33 | 30405914 | Valve plate; dimensions: Ø41. | |||
| 34 | GKT23250 | 37261801 | Gasket; dimensions: 165 × 124 × 0,38 (metallic support); used in: Cylinder head. | ||
| 35 | 37251713 | Gasket; dimensions: 165 × 124 × 0,7. | |||
| 36 | GRF2312 | 36131512 | Shut-off valve; dimensions: Ø22 (7/8"); used in: Suction side. | ||
| 37 | BLTCMA10X030 | 38034006 | Cheese-head screw; dimensions: M10 × 30 (ISO 14579 - M10 × 30 - 8.8). | ||
| 38 | GKT23102 | 37270405 | Gasket; dimensions: ØI 34,5 × 1,0 (LA66); used in: Suction gas shut-off valve. | ||
| 39 | SRN23203 | 36201203 | Suction gas filter; dimensions: Ø33 × 43; used in: Suction gas shut-off valve. | ||
| 40 | TER23200 | 34550705 | Terminal plate; dimensions: 90 × 70 × 10 (6-wire). | ||
| 40 | 34550706 | Terminal plate; dimensions: 90 × 70 × 10 (3-wire). | |||
| 41 | 34343012 | Kit connection bridge; dimensions: 29,5 × 9,5 × 1. | |||
| 42 | BLTCMA8X025 | 38039303 | Cheese-head screw; dimensions: M8 × 25 (ISO 4762 - M8 × 25 - 10.9). | ||
| 46 | GKT2E200 | 37293810 | Gasket; dimensions: 90 × 70 × 0,73; used in: Terminal plate. | ||
| 47 | GKT23000T | 37220010 | Gasket ring; dimensions: Ø31,9 × 1,6 × 1,8 (PTFE); used in: Sight glass. | ||
| 48 | GLS23300 | 36181501 | Sight glass; dimensions: Ø22 × 1 1/8" - 18 UNEF. | ||
| 50 | BOX2303 | 34352303 | Terminal box; dimensions: 202 × 132 × 83. | ||
| 50 | 34351781 | Terminal box; dimensions: 202 × 132 × 83,5 (aluminum IP66). | |||
| 51 | BLT23154 | 38050154 | Oval head screw; dimensions: M6 × 16 (DIN 7985 - M6 × 16 - 4.8); used in: Aluminium terminal box. | ||
| 52 | 38051602 | Oval head screw; dimensions: M4 × 18. | |||
| 53 | SEN2101 | 34703504 | Compressor protection device (110/230 V - 50/60Hz); from year: 06/2021. | ||
| 53 | 34702804 | Compressor protection device (24 V - 50/60 Hz). | |||
| 53 | SEN2101 | 34703504 | Compressor protection device (110/230 V - 50/60Hz); from year: 06/2021. | ||
| 53 | 34702805 | Compressor protection device (24 V - DC). | |||
| 54 | GKT23200 | 37293703 | Gasket; dimensions: 2241 × 241 × 0,38; used in: Housing cover. | ||
| 55 | 30522901 | Housing cover; used in: Motor side. | |||
| 56 | BLTCMA10X030 | 38015606 | Hexagon head screw; dimensions: M10 × 30 (DIN 933 - M10 × 30 - 10.9); used in: Housing cover. | ||
| 57 | 34321902 | Oil heater (100..140 V - 120 W). | |||
| 57 | HTR2300 | 34321901 | Oil heater (200..260 V - 120 W). | ||
| 59 | 37000020 | Kit damper elements (elastomer). | |||
| 60 | 32439101 | Lifting eye; dimensions: 33 × 32 × 50. | |||
| 66 | 38005621 | Hexagon head screw; dimensions: M10 × 50 (DIN 931 - M10 × 50 - 10.9); used in: Cylinder head. | |||
| 67 | 36620116 | Protective cap; dimensions: 3/4" - 16 UNF / L=36 (plastic - GRP). | |||
| 68 | 36620117 | Protective cap; dimensions: 3/4" - 16 UNF / L=43 (plastic - GRP). | |||
| 70 | 37507901 | Plug; dimensions: Ø8 × 16; used in: Aluminium terminal box. | |||
| 75 | 34775001 | Retrofit kit oil control; dimensions: 241,2 × 241,2. | |||
| 76 | PLUCMA20A | 38091003 | Sealing screw; dimensions: M20×1,5 (DIN 908 - M20×1,5). | ||
| 77 | GKT23006A | 38240301 | Gasket ring; dimensions: A20 × 24 × 1,5 (aluminum DIN 7603). | ||
| 80 | 34733404 | Opto-electronic unit (OLC-K1 115 V - 50/60 Hz). | |||
| 80 | 34733403 | Opto-electronic unit (OLC-K1 230 V - 50/60 Hz). | |||
| 81 | GKT23006A | 38240301 | Gasket ring; dimensions: A20 × 24 × 1,5 (aluminum DIN 7603); used in: Oil level monitoring - minimum. | ||
| 90 | PLU2E200 | 36610021 | Plug; dimensions: 1/8" - 27 NPTF. | ||
| 91 | PLU2E200 | 36610021 | Plug; dimensions: 1/8" - 27 NPTF. | ||
| 92 | 36150122 | Schrader valve; dimensions: 1/4" - 18 NPTF. | |||
| 100 | 38051601 | Oval head screw; dimensions: M4 × 8. | |||
| 101 | 34502502 | Terminal strip; dimensions: 60 × 30 (6-pole). | |||
| 110 | 31502902 | Earth screw; dimensions: M6 /44,8. | |||
| 112 | TER23011 | 34595003 | Recommendation sign; dimensions: M10. | ||
| 113 | 38204203 | Washer; dimensions: 8 × 1,6 (copper). | |||
| 114 | SPGCMW8 | 38215201 | Thrust washer; dimensions: S8. | ||
| 115 | NUT7210 | 38130105 | Hexagon nut; dimensions: M8 (ISO 4032 - M8 - Ms). |
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