Raypak B0109 Owner's Manual And Installation Instructions page 21

CONNECTIONS - PLUMBING
MECHANICAL HEATING
All high points of a mechanical heating system should be provided with manual bleed points or fitted with automatic
air vents. The design of the system must be such that the water heater is provided with adequate water flow and
pressure at all times (refer to 'Pump Selection' on page 20. On radiator or heating systems where thermostatic
valves will vary the water flow a suitable by-pass valve must be installed to maintain the correct flow rate.
Typical Mechanical Heating Installation
WATER HEATING
Where the water heater is supplied as part of a package, including the storage cylinder and pump, the installation
must comply with the drawing provided. Failure to observe this requirement may result in ineffective hot water
capacity or damage.
Typical Water Heating Installation
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