Copeland
ZS21KAE-TFD
Scroll Compressor • R134a
Quick Stats
Capacity
21,000 BTU/h
Power
6,154 W (~8.25 HP)
Refrigerant
R134a
Type
Scroll
Application
MT Refrigeration
Technical Specifications
Performance
| Cooling Capacity | 21,000 BTU/h |
| Cooling Capacity (W) | 6,154 W |
| Displacement | 21.3 cc |
| Application | MT Refrigeration |
Electrical
| Voltage | 380-420V/50Hz |
| Phase | 3-Phase |
| RLA (Running Load Amps) | 4.8 A |
| LRA (Locked Rotor Amps) | 29 A |
Physical
| Weight | 20 kg |
| Oil Charge | 680 cc |
| Oil Type | POE |
Refrigerant
| Primary Refrigerant | R134a |
| Compressor Type | Scroll |
Oil Compatibility & Lubrication
Oil Specifications
| Required Oil Type | POE |
| Full Name | Polyol Ester (POE) |
| Viscosity Grades | ISO VG 32, 46, 68, 100 |
| Recommended | ISO VG 32-68 |
| Factory Charge | 680 cc |
Compatible Oil Brands
- Emkarate RL32-3MAF
- Mobil EAL Arctic 46
- Copeland 3GS
Important Warnings for R134a
- • PAG oil used in automotive systems only
- • POE oil for stationary HVAC/R
- • Higher viscosity for centrifugal chillers
Oil Return: Good miscibility across wide temperature range
General Oil Guidelines
!
Never mix MO (Mineral) and POE oils - causes chemical breakdown
💧
POE absorbs moisture - keep container sealed, minimize air exposure
✓
Check oil level through sight glass after 24 hours of operation
Installation Guidelines
1
Ensure the system is properly evacuated before charging with R134a refrigerant.
2
Use POE oil only. Oil charge: 680 cc.
3
Breaker size recommendation: 6 A minimum (based on RLA × 1.25).
4
Wire size should be rated for 4.8 A continuous load at 380-420V/50Hz.
Recommended Accessories
Start Capacitor
For high starting torque applications
Run Capacitor
Improves efficiency and power factor
Overload Protector
Thermal protection for motor
Start Relay
PTC or current relay for motor starting
Manufacturer Information
Brand: Copeland
Country: USA