PART I: SPECIFICATIONS
6
Burner model identification
Burners are identified by burner type and model. Burner model identification is described as follows.
Burner model identification
FGR:
Flue gas recirculation
Technical Specifications
Type
K750X-FGR EA
Model
M-.
MD.
SR.
*.
A. 1.
65.
EA
.FGR
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
1
BURNER TYPE
K590X-FGR EA, K660X-FGR EA, K750X-FGR EA
2
FUEL
M - Natural gas, L - LPG
3
OPERATION (Available versions)
MD - Fully modulating
4
BLAST TUBE
SR = Standard blast tube + ABS polymer (silenced) air intake
LR = Extended blast tube + ABS polymer (silenced) air intake
5
DESTINATION COUNTRY
* - see data plate
6
BURNER VERSION
A - Standard
Y - Special
7
EQUIPMENT
1 = 2 gas gas proving system
8 = 2 gas gas proving maximum gas pressure switch
8
GAS CONNECTION
65 = DN65 80 = DN80 100 = DN100 125 / DN125
9
MICRO-PROCESSOR CONTROL WITH FGR
EF = Medium-large burners complete with electronic cam LMV5x and temperature-compensated flue
gas recirculation FGR, without O
2
monitoring, without inverter.
EA = micro-processor control, without inverter
EB = micro-processor control, with inverter
BURNER TYPE
K590X-FGR EA
(M-)
K660X-FGR EA
(M-)
K750X-FGR EA
(M-)
K590X-FGR EA
(L-)
K660X-FGR EA
(L-)
K750X-FGR EA
(L-)
Output
min. - max. kW
670 - 5900 680 - 6600 860 - 7500 670 - 5900 680 - 6600 860 - 7500
Fuel
M - Natural gas
L - LPG
Category
(see next paragraph)
I
3B/P
Gas rate- Natural gas
min.- max. (Stm
3
/h)
71 - 624
72 - 698
91 - 794
-
-
-
Gas pressure
mbar
(see Note 2)
(see Note 2)
Power supply triphase
220V/230V 3~ / 380V/400V 3N ~ 50Hz
Auxiliary Power supply
220V/230V 2~ / 220V/230V 1N ~ 50Hz
Gas rate- LPG
min.-max. kg/h
-
-
-
25 - 220
25 - 246
32 - 280
Total power consumption
kW
15,5
15,5
Electric motor
kW
15,0
15,0
Protection
IP40
Operation
MD - Fully modulating
Gas train 50
Valves size / Gas connection
-
-
-
50 = Rp2
Gas train 65
65 / DN65
Gas train 80
80 / DN80
Gas train 100
100 / 100
Gas train 125
125 / 125
Operating temperature
°C
-10 ÷ +50
Storage Temperature
°C
-20 ÷ +60
Working service (*)
Continuous
Note1:
All gas flow rates are referred to Stm
3
/h (1.013 mbar absolute pressure, 15° C temperature) and are valid for G20 gas
(net calorific value H
i
= 34.02 MJ / Stm
3
);
Note2:
Maximum gas pressure = 500mbar (with
Siemens VGD or Dungs MultiBloc MBE)
Minimum gas pressure = see gas curves.
Note3:
Burners are suitable only for indoor operation with a maximum relative humidity of 80 %
