Viessmann VR1 22 - Page 38

Vitorond 100, VR1 22 to 33, 91 to 140 Installation and Service
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38
Start-up
Boiler Model No. VR1 22, 91 VR1 27, 105 VR1 33, 140
Burner model Beckett NX-VI 701 NX-VI 702 NX-VI 703
Fuel type oil No. 2 fuel oil No. 2 fuel oil No. 2 fuel oil
Pump pressure psig 175 175 175
Oil nozzle Danfoss n.a. 0.60x60°AS n.a.
Delavan 0.50x60°B n.a. 0.75x60°A/W
Hago 0.50x60°B 0.60x60°B n.a.
Oil nozzle flow rate GPH@psig 0.65@190 0.75@175 1.00@175
Air tube length inches
mm
7
178
7
178
7
178
Air tube insertion inches
mm
3¼
83
3¼
83
3f
92
Air tube combination NX70LP NX70LP NX70LJ
Head type 6-slot 6-slot 9-slot
Head setting 2.00 2.50 3.25
Air setting see head setting see head setting see head setting
Static plate n.a. n.a. n.a.
Baffle n.a. n.a. n.a.
Fuel pump c/w solenoid valve 21844 21844 21844
Flange 32073 32073 32073
Burner Calibration
(continued)
IMPORTANT
Boiler Model No. VR1 22, 91 VR1 27, 105 VR1 33, 140
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
mm
7
178
7
178
6
5
/
16
160
Air tube insertion inches
mm
4f
118
4f
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 to 33, 91 to 140 boilers and should only
require minor adjustments. Install appropriate nozzle
and set the burner for model VR1 27, 105.