Unigas R91, Installation Manual

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PART I: SPECIFICATIONS
6
1.1 Burner model identification
Burners are identified by burner type and model. Burner model identification is described as follows.
1.2 Technical Specifications
Type R91 Model M-. MD. S. *. VS. 1. 80. EA.
(1) (2) (3) (4) (5) (6) (7) (8) (9)
1 BURNER TYPE R91, R92, R93, R512, R515, R520, R525
2 FUEL M - Natural gas
3 OPERATION (Available versions) PR - Progressive
MD - Fully modulating
4 BLAST TUBE S - Standard
5 DESTINATION COUNTRY * - see data plate
6 BURNER VERSION VS - Multihead
7 EQUIPMENT 1 = 2 gas gas proving system
8 = 2 gas gas proving maximum gas pressure switch
8 GAS CONNECTION 50 = Rp2 65 = DN65
80 = DN80 100 = DN100
9 MICRO-PROCESSOR CONTROL EA = micro-processor control, without inverter
EB = micro-processor control, with inverter
BURNER TYPE R91 M-.. R92 M-.. R93 M-..
Output min. - max. kW
480 - 2670 480 - 3050 550 - 4100
Fuel M -
Natural gas
Category
(
see next paragraph
)
Gas rate-
Natural gas
min.- max. (Stm
3
/h)
51 - 283 51 - 323 58 - 434
Gas pressure mbar
(
see Note 2
)
Power supply
230V 3~ / 400V 3N ~ 50Hz
Total power consumption
kW 4.5 6.0 8.0
Electric motor
kW 4 5.5 7.5
Protection
IP40
Operation
Progressive - Fully modulating
Gas train 50
Valves size / Gas connection 50 / Rp 2
Gas train 65
Valves size / Gas connection 65 / DN65
Gas train 80
Valves size / Gas connection 80 / DN80
Gas train 100
Valves size / Gas connection 100 / DN100
Operating temperature °C
-10 ÷ +50
Storage Temperature °C
-20 ÷ +60
Working service (*) Intermitent
8
2
5
9
3
4
6
Note: the figure is indicative only
1
Control panel with startup switch
2 Gas train
3 Electrical panel
4 Cover
5 Blast tube + Combustion head
6 Flange
7 Silencer
8 Actuator
9 Air pressure switch
10 Combustion head adjusting ring nut
1
7
10