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Technical Specification
Model
Gas
Gas
CAT
Type
620 HD
I2H
Natural
UBL
Gas
I3P
LPG
Power Supply Type Plug – Input : 100-240 VAC 50/60 Hz, 0.2A
Note : The efficiency of the appliance has been measured as specified in BS7977-1 2009+
A1:2013 and the net efficiency rate is 74.6% for natural gas and 74.5% for LPG. The gross calorific
value of the fuel has been used for this efficiency calculation. Gastec have certified the test
data from which it has been calculated. The efficiency value may be used in the UK
Government's Standard Assessment Procedure (SAP) for energy rating of the dwelling. Within the
appliance packaging will be an outlet restrictor, this is there to achieve the maximum efficiency.
This, however may not be fitted due to the flue underperforming.
P a g e
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620 HD UBL INSTALLATION INSTRUCTIONS
Working
Front
Pressure
Injector
20
Mrk
mbar
120
37
Mrk
mbar
74
Efficiency Class 1
Gas Inlet Connection Size 8mm
Handset Replacement Batteries 4 x AAA 1.5V
Side
Gas
NOX
Injectors
Input
Class
Mrk
6.5 KW
120
Gross
Mrk
6.1 KW
72
Gross
Oxy
Country
Pilot
4
2900
GB, IE
NGR
5
9264
GB, IE
SIT
LT 8125 Issue No 1
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