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11.9
Cleaning the casing
12 Technical specifications
12.1
Homologations
12.1.1
Certifications
Tab.77
Certifications
CE identification number
Class NOx
(1)
Type of flue gas connection
(1) EN 15502–1
(2) When installing a boiler with connection type B
Tab.78
Unit categories
Country
United Kingdom
(1) This appliance is suitable for category I
12.1.2
Directives
7734324 - v.07 - 21092022
To prevent the system and radiators freezing in frost-sensitive areas (e.g.
a garage), a frost thermostat or, if feasible, an outdoor sensor can be
connected to the boiler.
PIN 0063CU3937
6
B
, B
(2)
23
23P
C
, C
, C
33
53
, B
23
23P
Category
(1)
I
2H
containing up to 20% Hydrogen gas (H
2H
The Gas 320/620 Ace complies with the BREEAM emission requirements.
In order to meet these requirements, some boiler parameter values need
to be changed.
In addition to the legal requirements and guidelines, the supplementary
guidelines in this manual must also be followed.
Supplements or subsequent regulations and guidelines that are valid at
the time of installation shall apply to all regulations and guidelines
specified in this manual.
If the water temperature is higher than 10℃, the burner shuts down and
the pump continues to run for a short time.
1. Clean the outside of the appliance using a damp cloth and a mild
detergent.
, C
63
93
, the IP rating of the boiler is lowered to IP20.
Unit categories
Gas type
G20 (H gas)
).
2
BREEAM compliance
Important
Refer to the chapter for the boiler's BREEAM settings.
See also
Fan speeds for BREEAM compliance, page 48
12 Technical specifications
Connection pressure (mbar)
20
81
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