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Rinnai 12 EHPA_VMA Series 2 Heat Pump OIM
SYSTEM SPECIFICATIONS
EHPA250VMA
EHPA250VMAW
EHPA250VMAH
EHPA250VMAWH
EHPA315VMA
EHPA315VMAW
EHPA315VMAH
EHPA315VMAWH
Net Weight / Filled Weight 123 kg / 400 kg 138 kg / 451 kg
Sound Level 48 dB(A)
Ambient Temperature Limits
(for heat pump operation - element will operate
beyond these limits)
-1°C to 45°C
Ingress Protection IP24
Storage Cylinder - Hot Outlet and Cold inlet
Connections
ISO 7.1 ¾” RP
Storage Cylinder - PTR Valve Connection ISO 7.1 ½” RP
Pressure & Temperature Relief (PTR) Valve
(Supplied) Setting / Rating
1000 kPa / 10kW
ECV Fitted
Fit PLV if mains
pressure exceeds
680 kPa
Recommended PLV
pressure rating
500 kPa
ECV Not Fitted
Fit PLV if mains
pressure exceeds
800 kPa
Recommended PLV
pressure rating
500 kPa
Rated Input Electric Element
(Factory Wired)
2.4 kW
Rated Input Refrigeration Module
(Factory Wired)
1.0 KW
Total Rated Input (To be wired by installer) 3.4 KW
Maximum Energy Output
(Use to size PTR)
4.29 kW
Power Supply 240 V AC, 50 Hz.
Rated Current 15 A
Refrigerant Type / Mass R290 / 270 g
Refrigerant Compressor Oil Type / Charge Type: ISO VG 32 ESTER / 500 cm³
Refrigerant Circuit Maximum Pressure 3800 kPa
Start-up Protection
When the power is rst turned on to the heat pump or power is cut then restored, the
unit will not start for 2 minutes to protect the compressor
Defrosting Function
When the fan coil unit temperature reaches 0°C, the hot discharge bypass defrosting
mode will operate for 15 minutes or until the evaporator temperature reaches 5°C.
Protection Systems
The heat pump has protection systems that will stop the operation of the unit if:
Suction pressure drops due to refrigerant charge loss or air ow blockage
Over pressure (551 Psi) or over temperature (110°C) in the refrigerant system
Coefcient Of
Performance (COP)
32.6°C Ambient
21.1°C cold water inlet
7.22
Heat Output
32.6°C Ambient
21.1°C cold water inlet
5.20 kW
SPECIFICATIONS
SPECIFICATIONS
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