Grant Aerona 290 Installation & Operating Instructions Manual page 8

Air to water air source heat pump
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1.10.3
HPR29012
DC fan
Air side heat
exchanger
Air side heat
exchanger
Page 8
Electric control box
Chassis heater
Electric control box
Chassis heater
Figure 1-3: Main components - HPR29012
Refrigerant leakage sensor
Automatic air vent
Refrigerant leakage sensor
Automatic air vent
Water flow switch
Four way valve
Water flow switch
Four way valve
Water side heat exchanger
Water pressure sensor
Water side heat exchanger
Safety valve
DC inverter compressor
Water pressure sensor
Safety valve
DC inverter compressor
Electric expansion valve
Electric expansion valve
Variable frequency pump
Variable frequency pump
Section 1: Introduction

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