Description Of The Product; General Description; Operation Principle; Standard Delivery - Heatrae Sadia Multipoint 30H Fitting Instructions Manual

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.
Figure 4 – Installation diagram
Temperature
and pressure
relief valve
Multipoint
or 50 litre
6
Hot
30 litre
heater
Drain
cock

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.
Pressure
Expansion
(expansion)
vessel
relief valve
Tundish
To drain
(waste)
Balanced
cold water
draw off
Service
Check Pressure
valve
reducing
valve
valve
Cold
water
mains