EPR4AX1 / EPR4BX1
Built with high performance & durability in mind, this ERP4 system is a robust & heavy-duty HVAC suitable for trucks, wheel loaders, excavators, drills & other heavy-duty vehicles. Rated at 4.5 kW cooling capacity with optional heating. This equipment is available in 12VDC or 24VDC configurations.
VEHICLES
- DRILL
- TRUCK
- WHEEL LOADER
- CONSTRUCTION
- INDUSTRRIAL
- RAIL SPECIAL VEHICLES
SIGMA Knorr-Bremse Australia
Granville NSW 2142
Australia
mid.aus@sigma-hvac.com
SPECIFICATIONS
| METRIC | IMPERIAL | |
|---|---|---|
| Cooling Capacity | 4.5 kW | 15,354 BTU |
| Heating Capacity (with Optional Kit) | 4.0 kW | 13,648 BTU |
| Fan Speeds | 3 | 3 |
| Air Flow | 150 l/s | 318 CFM |
| Power Supply | 12V / 24V | 12V / 24V |
| Current Draw | 40A / 20A | 40A / 20A |
| Refrigerant | R134a | R134a |
| Maximum Ambient Temperature | 46ºC | 115ºF |
| Weight (nominal) | 47 Kg | 103.4 lbs |
| Technical Manual Reference | HD0019477 | HD0019477 |
| Dimension L X W X H | 804mm X 650mm X 364mm | 31.7in X 25.6in X 14.3in |
SPARE PARTS LIST
| Sl.No. | PART NO. | DESCRIPTION | QTY |
|---|---|---|---|
| 1 | H0032385 | EVAPORATOR HEATER COIL | 2 |
| 2 | H0002358 | CONDENSER COIL | 2 |
| 3 | AU400050 H0088451 | BLOWER ASSEMBLY 3SPEED 12V (EPR4AX1) BLOWER ASSEMBLY 3SPEED 24V (EPR4BX1) | 1 1 |
| 4 | H0044857 | PLENUM RETURN AIR FILTER MEDIA | 1 |
| 5 | H0097521 H0088425 | CONDENSER FAN ASSEMBLY 280MM 12V (EPR4AX1) CONDENSER FAN ASSEMBLY 280MM 24V (EPR4BX1) | 1 2 |
| 6 | AU531422 | RECEIVER DRIER 134A | 2 |
| 7 | UE016 | THERMOSTAT DEICE STUD | 2 |
| 8 | UE335 | SWITCH 3-SPEED C/W NUT | 2 |
| 9 | UE064 | HIGH / LOW PRESSURE SWITCH | 1 |
| 10 | H0092214 | TX VALVE BLK 1.5T R134A | 1 |
| 11 | H0052679 | FLEX HOSE #10 MOR-FTG B/HD & STR | 1 |
| 12 | H0052678 | FLEX HOSE #8 MOR-FTG B/HD & STR | 1 |
| 13 | AU661482 AU661483 | RELAY 30A 12V (EPR4AX1) RELAY 20A 24V (EPR4BX1) | 3 1 |
| 14 | ERR023 | RELAY BASE 5 PIN (PANEL MOUNT) AX1 RELAY BASE 5 PIN (PANEL MOUNT) BX1 | 3 1 |
| 15 | UC451 | KNOB 1/4 BLACK PLASTIC 21MM DIAMETER | 2 |
| 16 | H0047048 | CONDENSER FAN GUARD | 1 |
| 17 | H0042481 | EPR4 ROOF SEAL | 1 |
| 18 | UC048 | TOGGLE | 4 |
| 19 | AU821704 | DIFFUSER ROUND 92MM PVC | 1 |
| H0283545 | DIODE FOR EPR4AX1 | 1 |
MAINTENANCE
H0044857
PLENUM RETURN AIR FILTER MEDIA
AU400050
BLOWER ASSEMBLY 3SPEED 12V (EPR4AX1)
H0088451
BLOWER ASSEMBLY 3SPEED 24V (EPR4BX1)
H0097521
CONDENSER FAN ASSEMBLY 280MM 12V (EPR4AX1)
H0088425
CONDENSER FAN ASSEMBLY 280MM 24V (EPR4BX1)
AU531422
RECEIVER DRIER 134A
UE016
THERMOSTAT DEICE STUD
UE335
SWITCH 3-SPEED C/W NUT
UE064
HIGH / LOW PRESSURE SWITCH
H0092214
THERMAL EXPANSION VALVE BLOCK 1.5T R134a
H0002358
CONDENSER COIL
H0032385
EVAPORATOR HEATER COIL
COMPANION ITEMS
| PART NO. | DESCRIPTION |
|---|---|
| H0038939 | Heater Kit (24V) |
| H0097524 | Heater Kit (12V) |
| EB9P4X | Pressuriser (24V) |
| HDC150 | Hydraulic Compressor |
| AU2961001 | Electric Compressor (24V) |
| AU270306E | Engine Driven Compressor |
| AU270307E | Engine Driven Compressor |
| AU270311E | Engine Driven Compressor |