
7
5517 914 - 01
Vitorond 100 Direct Vent Systems Installation
Riello Burner Calibration
*1 For VR1-27 boiler, replace installed nozzle with nozzle
packaged with Riello burner.
*2 Factory-installed nozzle.
*3 Nozzles must be installed by installer.
Note: Riello oil burners are factory set for Vitorond 100,
VR1-22, and -33 boilers and should only require
minor adjustments. Install appropriate nozzle and
set the burner for model VR1-27.
IMPORTANT
Installation
Riello burner (direct vent application)
Boiler Model Model No. VR1-22 VR1-27*1 VR1-33
Burner model Riello 40 Series
BF3 BF3*1 BF5
Fuel type oil No. 2 fuel oil
Pump pressure psig
(kPa)
175
(1207)
175
(1207)
140
(965)
Oil nozzle Danfoss n.a. n.a. n.a.
Delavan
0.50x60°SS
0.60x60°W
*3
0.85x60°W*2
Hago n.a. n.a. n.a.
Oil nozzle flow rate GPH@psig
0.65@175 0.75@175 1.00@140
Air tube length inches
(mm)
7
(178)
7
(178)
6
5
/
16
(160)
Air tube insertion inches
(mm)
4f
(118)
4f
(118)
4¼
(108)
Turbulator setting
0.0 1.0 1.0
Air gate setting
3.7 5.0 4.0
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