Balanced Flue Instructions
12
Installation Instructions
Technical Specification
Covering the following models:
Model Gas
CAT.
Gas Type Working
Pressure
Aeration Injector Gas Rate
m
3
/h
Input kW
(Gross)
Country
High Low
Vision
Small
I
2H
Natural (G20) 20mbar 6mm x 6mm 185 0.305 3.2 2.0 GB, IE
I
3P
Propane (G31) 37mbar 8mm x 15mm 90 0.117 3.1 2.0 GB, IE
Vision
Midi
I
2H
Natural (G20) 20mbar 6mm x 10mm 158 0.409 4.3 2.5 GB, IE
I
3P
Propane (G31) 37mbar
6mm x 10mm
110 0.162 4.3 2.5 GB, IE
16mm x 23mm
Vision
Medium
I
2H
Natural (G20) 20mbar 2 x 9mm Ø 390 0.629 6.6 3.9 GB, IE
I
3P
Propane (G31) 37mbar 2 x 18mm Ø 185 0.248 6.6 3.7 GB, IE
VISION SMALL - Efciency Class 1 - 85.1% Net/ NOx Class 4
VISION MIDI - Efciency Class 1 - 95.4% Net/ NOx Class 4
VISION MEDIUM - Efciency Class 1 - 90.8% Net/ NOx Class 4
Flue Outlet Size Ø 100mm
Flue Inlet Size Ø 150mm
Gas Inlet Connection Size Ø 8mm
The net efficiency of this appliance has been measured as specified in EN613:2001 and the result after conversion to gross
using the appropriate factor from Table E4 of SAP 2012 is 78.4% for the Small, 85.95% for the Midi Vision and 81.81% for the
Medium Vision. The test data has been certified by Kiwa Nederland BV. The gross efficiency value may be used in the UK
Government's Standard Assessment Procedure (SAP) for energy rating of dwellings.
Model
NATURAL GAS LPG
Top Exit Rear Exit Top Exit Rear Exit
Vision Small N/A 526-046 N/A 526-405
Vision Midi 526-109 526-100 526-486 526-471
Vision Medium 526-176 526-155 526-612 526-580