Varmeteknikk AS
Phone +47 23 37 55 00 August 2020 V2
3
Assembly
The boiler must be placed in such a way that service and maintenance can be easily performed.
Dependent of the type of boiler, space is required above the boiler for possible replacement of
heating elements. In general, it should be approx. 1 m free height.
In addition, there must be space in front of the boiler and on the sides for access to the top cover
screws.
This is to be able to perform service and maintenance without hindrance.
Safety valves
Plant with closed expansion vessel, shall be equipped with 2 pcs. safety valves located between
boiler and expansion vessel. There should be no shut-off between the boiler and safety valves.
Safety valves and expansion vessels must be dimensioned in accordance with the system's boiler
performance. Boilers below 100 kW must have at least one safety valve. The outlet from the safety
valves must be laid down to the floor. The opening pressure of the valves must not exceed the
maximum permissible operating pressure.
Lifting hook (2x)
Expansion
Flow
Return
Drain
Connection
main power
Connection
control voltage
Connection
Supply cables are connected to the boiler's busbars on the inside of the door.
In addition, the boiler requires its own course for control current (230 V).
The connection is made on separate control fuses mounted on the boiler's plate, see page 10.
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz