Technical data

Vitorond 100, VR1-22 to -33 Installation and Service

5583 571 - 01

Start-up

Riello Burner Calibration

IMPORTANT

Boiler Model No. VR1-22 VR1-27 VR1-33

Burner model Riello 40 Series F3 F3*1 F5

Fuel type oil No. 2 fuel oil No. 2 fuel oil No. 2 fuel oil

Pump pressure psig 175 175 175

Oil nozzle Danfoss 0.50x60°xAS 0.60x60°xAS*3 0.75x60°xAS

Delavan 0.50x60°xSS 0.60x60°xW 0.75x60°xA

0.75x60°xW*2

Hago 0.50x60°xSS*2 0.60x60°xES n.a.

Oil nozzle flow rate GPH@psig 0.65@175 0.75@175 1.00@175

Air tube length inches

178

160

Air tube insertion inches

118

4¼

108

Air tube combination 0.0 2.0 0.8

Head type 3.1 3.4 2.9

*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.