Installation manual

Rinnai Australia - 55 - Solar Split Systems Operating / Installation Manual

7. Cold Water Supply

• Connect cold water supply to the inlet ‘T’. Ensure that the relevant valves as described in the

section “VALVES AND FITTINGS” are fitted.

• Purge the cold water supply lines to remove air and swarf before final connection.

8. Relief Drain Lines

• Independent 15 mm copper pipes must be fitted to the drain outlets of the PTR and ECV. Each

pipe must be open to atmosphere and run with a continual downward grade in a frost free

environment to a visible discharge point. Drain lines must not exceed 9 metres in length.

• Valves or other restrictions must not be placed in the relief valve drain outlet line.

9). Hot Water Discharge

• Connect the hot water outlet of the storage cylinder to the pipe work supplying hot water to the

premises.

10).Electrical Supply Connections

• Twin element storage cylinders are wired for non simultaneous operation. The electric supply

should be ‘Off-Peak’ (overnight) to the bottom heating unit and continuous to the top heating unit.

• The power supply to a single element model can be either Off-Peak (overnight), Extended Off-

Peak (overnight and day) or continuous, depending on the tariffs available from the local

electricity supply authority. The Off-Peak (overnight) power supply minimises the cost of any

required electric boosting. Discuss power supply requirements with the end user and electricity

supply authority as required.

Some water will drip from the drain lines during heating of the water in the storage

cylinder. It is recommended to discharge directly above a drain.

A temperature limiting device may be required as detailed in the section “HOT

WATER DELIVERY TEMPERATURE”.

The power supply to the heating elements and pump kit must not be activated until the

system is filled with water.

NOTE

WARNING

INSTALLATION & MAINTENANCE - ELECTRIC BOOSTED SYSTEMS