Technical information

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

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)

(178)

(160)

Air tube insertion inches

(mm)

(118)

4¼

(108)

Turbulator setting

0.0 1.0 1.0

Air gate setting

3.7 5.0 4.0