Lochinvar HWHC 44-370 G CE Installation, Commissioning, User & Maintenance Instructions page 120

Legend:
1 EcoCharger Hybrid HWHC Water Heater
2 Solar Control
3 Flat Plate Solar Thermal Collector
4 Solar Pump Station
5 Class Two RHI Complaint Heat Meter
6 QT Flow Sensor
S Temperature Sensor -
1
Flat Plate Solar Thermal Collector
S Temperature Sensor -
2
Bottom EcoCharger Hybrid HWHC
AAV Air Aeration Valve
DV Drain Valve
EV Expansion Valve
EXV Expansion Vessel
HL High Limit Stat
IV Isolation Valve
LSV Lockshield Valve
NRV Non Return Valve
PMP Pump
PRV Pressure Reducing Valve
SEV Solar Expansion Valve
TD Tundish
TPRV Temperature Pressure Relief Valve
TV Tempering Valve
2PV Motorised 2 Port Valve (via High Limit)
118 Installation, Maintenance and Service part