Heatrae Sadia Multipoint 30H, Fitting Instructions Manual

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4.2 Operation principle
The product is used to heat and store hot water for
use in domestic applications.
4.3 Standard delivery
`
Product
`
Expansion vessel
`
Combined pressure reducing valve
`
Single check valve
`
Pressure relief valve
`
Tundish
`
Fixing bracket
`
Screw pack
`
Instructions
4.4 Mains connections
See figure 4 below.
4. Description of the product
4.1 General description
This product is a purposed designed unvented water
heater. The product has a copper inner vessel,
which ensures an excellent standard of corrosion
resistance. The outer casing is a combination of
resilient thermoplastic moldings and painted steel.
The product is supplied complete with all the necessary
safety and control devices needed to allow connection
to the cold water mains. These components are preset
and should not be tampered with.
Temperature
and pressure
relief valve
Hot
Drain
cock
To drain
(waste)
Tundish
Pressure
reducing
valve
Cold
water
mains
Service
valve
Balanced
cold water
draw off
Check
valve
Expansion
vessel
Pressure
(expansion)
relief valve
Multipoint
30 litre
or 50 litre
heater
Figure 4 – Installation diagram