Rinnai 18
EHPA Heat Pump OIM
CONNECT COLD / HOT WATER SUPPLY
Connect cold water supply, Pressure Limiting Valve (PLV) and or Expansion Control Valve (ECV).
Connect cold water supply to the storage tank (refer to Diagram BELOW).
A stop cock, non return valve and line strainer MUST BE fitted.
Drain
Union
Connection
Non-return
Valve
Line
Strainer
Cold Water
Inlet
Isolating Valve
(Spindle Vertical)
Cold water expansion
control valve
Connect the pipe work supplying hot water to the premises to the hot water outlet on the tank.
A temperature limiting device may be required as detailed in the section the section ‘Hot Water Delivery Temperature’
on page 15
It is recommended that all hot water lines are insulated with high temperature, UV resistant 13mm closed cell
insulation.
INSTALLATION
