Conventional 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 CF
I
2H
Natural (G20) 20mbar 1mm x 6mm Ø 185 0.314 3.3 2.0 GB, IE
I
3P
Propane (G31) 37mbar 6mm x 15mm 90 0.120 3.2 2.0 GB, IE
Vision Midi
CF
I
2H
Natural (G20) 20mbar 6mm x 6mm 260 0.433 4.55 2.5 GB, IE
I
3P
Propane (G31) 37mbar 14mm x 15mm 102 0.164 4.35 2.5 GB, IE
Vision
Medium CF
I
2H
Natural (G20) 20mbar 2 x 6mm Ø 067 0.629 6.6 3.9 GB, IE
I
3P
Propane (G31) 37mbar 2 x 13mm Ø 128 0.252 6.7 3.7 GB, IE
VISION SMALL - Efciency Class 2 - 76% Net/ NOx Class 4
VISION MIDI - Efciency Class 2 - 75% Net/ NOx Class 4
VISION MEDIUM - Efciency Class 2 - 78% Net/ NOx Class 4
Flue Size TOP/REAR EXIT 127mm ø
Gas Inlet Connection Size = 8mm ø
Minimum Flue Specication = T250/N2/0/D/1
Maximum Flue Temp = 220°C
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 70% for the Small Vision, 69.1% for the Midi Vision and 71.8% for
the Medium Vision. The test data has been certified by Kiwa Nederand 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 526-021 526-013 526-656 526-643
Vision Midi 526-077 526-065 526-440 526-417
Vision Medium 526-137 526-122 526-539 526-515