EPR4 - ROOFTOP PACKAGE

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

23 - 29 Factory Street
Granville NSW 2142
Australia

Phone: 1300 643 643
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
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