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2.4 Connection to Gas Line
The H52 Series has received the CE mark for the countries and gas categories indicated in the
accompanying table. NOTE: The nominal heat input (Qn) is 21kW except for AT, DE, LU, and for
category 3B/P under 50 mbar, which is 23kW.
COUNTRIES CATEGORIES GAS PRESSURE (mbar)
G20 20
G30, G31 50
I
2E(R)B
G20, G25 20, 25
I
3+
G30, G31 28-30, 37
G20 20
G30, G31 30
G20, G25 20, 25
G30, G31 28-30, 37
G20, G25 20, 25
G31 50
G20 20
G30, G31 30
G20, G25 20
G30, G31 50
I
3P
G31 50
G20 20
G30, G31 28-30, 37
G20 20
G30, G31 28-30, 37
G20 20
G30, G31 28-30, 37
G20 20
G30, G31 50
G25 25
G31 50
G25 25
G30, G31 30
NORWAY (NO)
I
3B/P
G30, G31 30
G20 20
G30, G31 28-30, 37
G20 20
G30, G31 28-30, 37
G20 20
G31 37, 50
G20 20
G30, G31 30
G20 20
G30, G31 28-30, 37
II
2ELL3B/P
II
2H3B/P
II
2Esi3+
II
2Esi3P
II
2H3B/P
II
2E3B/P
II
2H3+
II
2H3+
II
2H3+
II
2H3+
II
2H3+
II
2L3B/P
II
2L3P
UNITED KINGDOM (GB)
II
2H3+
II
2H3B/P
II
2H3P
NETHERLANDS (NL)
PORTUGAL (PT)
SPAIN (ES)
SWEDEN (SE)
GREECE (GR)
ITALY (IT)
IRELAND (IE)
LUXEMBOURG (LU)
DENMARK (DK)
FRANCE (FR)
FINLAND (FI)
GERMANY (DE)
CE Approved Gas Categories by Country*
AUSTRIA (AT)
II
2H3B/P
BELGIUM (BE)
* H152-2 units are not approved for G30 (Butane) gas.
The size of the gas line used for installation is very important. If the line is too small, the gas pres-
sure at the burner manifold will be low. This may cause slow recovery and delayed ignition. Fry-
master recommends the incoming gas supply line be a minimum of 1½” (38 mm) in diameter. Refer
to the chart on the following page for the minimum sizes of connection piping.