12 Installation Manual 2014 - Riv 2
Plumbing Installation
Warnings
This unit must be installed to conform with all relevant local standards and regulations by
suitably qualified engineers.
Installation should be capable of withstanding a maximum water pressure of 10 bar.
Mid-position zone valves should not be used to switch between heating and hot water.
Hydraulic zone valves are not suitable for use with this system.
Water quality should conform with EN directive 98/83 EC.
To avoid possible damage to Electrical components please ensure a suitable means of
drainage is available for the pressure relief valve.
If the Heat Pump is being installed as a retro-fit please ensure system is fully flushed to
avoid damage to Internal Unit.
Heating Schematic
Typical Y-Plan Configuration
1 No 230v 3-Port Valve.
NOT mid position type
( i.e. switched to heating or hot water NOT both)
Typical S-Plan Configuration
2 No 230v 2-Port Valves.
Minimum Water Flow Rates
Unit Size LC 07 LC 10 LC 12 LC 15
Litres/Min 12 18 24 30
To Next Page