Robur G 30, Installation, Use And Maintenance Manual

Page: 28 / 64

Heating engineer
28
3
heaters
G 30 C G 60 C
A
370 620
B
1400
All Robur support brackets are supplied with bolts and
the rear support plate.
For mounting instructions of the brackets, refer to
the relevant instruction sheets.
2.5.1 Axial gas unit heaters
For axial gas unit heaters, the support brackets listed in
Table 2.3 p. 28 below are available as optional.
Table 2.3
Support brackets
Revolving support brackets Fixed support brackets
Next-G OSTF020 O19800020 O19800026 O19800028 OKMN000
OSTF009 support
bracket 1,4 m length
Tubular bracket
OSTF010
G 20 EC
• - - - - - -
G 30
G 30 EC
G 35 EC
G 45
G 45 EC
- • - - - • •
G 60
G 60 EC
- - - - • • •
G 75 EC
- - • - - • •
G 90
G 90 EC
- - - • - • •
• Applicable
- Not applicable
2.5.2 Centrifugal gas unit heaters
For centrifugal gas unit heaters, the following mounting
brackets are available as optional:
▶
OSTF009 support bracket 1,4 m length
2.5.3 OSTF020 revolving wall support bracket (G
20 EC)
For the G 20 EC gas unit heater, the OSTF020 adjustable
support bracket (available as an optional) can only be
used while keeping the gas unit heater with a horizontal
air throw.
3 HEATING ENGINEER
3.1 WARNINGS
Read the warnings in Chapter III.1 p. 4, pro-
viding important information on regulations and
on safety.
Compliance with installation standards
Installation must comply with applicable regula-
tions in force, based on the installation Country
and site, in matters of safety, design, implementa-
tion and maintenance of:
„
heating systems
„
gas systems
„
flue gas exhaust
„
flue gas condensate discharge
Installation must also comply with the manufactur-
er's provisions.
3.2 FUEL GAS SUPPLY
3.2.1
Gas connection
It is located at the rear, on the left (dimensional drawings
Paragraph 1.2
p. 8 and Table 1.2 p. 23).
▶
Install an anti-vibration connection between the ap-
pliance and the gas piping.
3.2.2 Mandatory shut-off valve
▶
Provide a gas shut-off valve (manual) on the gas supply
line, next to the appliance, to isolate it when required.
▶
Provide a three-piece pipe union or similar system to
allow the gas unit heater to be disconnected from the
gas supply.
▶
Perform connection in compliance with applicable
regulations.
3.2.3
Gas pipes sizing
The gas pipes must not cause excessive pressure drops
and, consequently, insufficient gas pressure for the
appliance.
3.2.4 Supply gas pressure
This appliance is equipped for a maximum gas