ROBUA G Series, Installation, Use And Maintenance Manual

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Heating engineer
Installation, use and maintenance manual – G gas unit heater
17
3
3 HEATING ENGINEER
3.1 WARNINGS
3.1.1
General 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
▶
3/4" F
on the rear, to the left (see dimensional diagrams,
Paragraph 1.2
p. 8).
▶
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.
▶
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
supply pressure of 50 mbar.
The appliance's gas supply pressure, both static and dy-
namic, must comply with Table 3.1 p. 17, with tolerance
± 15%.
Non compliant gas pressure (Table 3.1 p. 17)
may damage the appliance and be hazardous.
Table 3.1 Network gas pressure
Gas supply pressure [mbar]
Product
category
Countries of destination G20 G25 G25.1 G25.3 G2.350 G27 G30 G31
II
2H3B/P
AL, BG, CH, CY, CZ, DK, EE, FI, GR, HR, IT, LT, LV, MK, NO,
RO, SE, SI, SK, TR
20 30 30
AT, CH 20 50 50
II
2H3P
AL, BG, CH, CZ, ES, GB, GR, HR, IE, IT, LT, LV, MK, PT, SI,
SK, TR
20 37
RO 20 30
AT 20 50
II
2ELL3B/P
DE 20 20 50 50
II
2Esi3P
FR
20 25 37
II
2Er3P
20 25 37
II
2H3B/P
HU
25 30 30
II
2HS3B/P
25 25 30 30
II
2E3P
LU 20 50
II
2L3B/P
NL
25 30 30
II
2L3P
25 37
II
2EK3B/P
20 25 30 30
II
2EK3P
20 25 30
II
2E3B/P
PL
20 37 37
I
2E
20
II
2ELwLs3B/P
20 13 20 37 37
II
2ELwLs3P
20 13 20 37