1
A Honeywell Company
MMG 810.1 / 811.1
For 2-stage forced draught and combi oil/gas
burners
Suitable flame detectors:
- Ionisation probe
- UV sensor
- Infra-red flicker detector
INTRODUCTION
The MMG burner control box is capable of controlling
and monitoring forced draught and combi oil/gas burners
of any nominal rating (tested and approved as per EN 298).
The MMG 810.1 model 33 control boxes are also suitable for
use in stationary warm air generators (Direct air heaters
according to DIN 4794).
Different type and model designations identify the control
boxes according to varying national standards, and to some
extent, according to programme times.
TYPES AVAILABLE
MMG 810.1
Mod. 32
Art. Nr. 0640120
Mod. 33
Art. Nr. 0640220
Mod. 43
Art. Nr. 0642520
Mod. 45
Art. Nr. 0642620
MMG 811.1
Mod. 33
Art. Nr. 0640520
Mod. 63
Art. Nr. 0640420
ONSTRUCTIONAL FEATURES
The control box is enclosed in a protective, flame resistant,
transparent, plug-in type plastic housing, and includes:
– Synchronous motor with reduction gearing driving cam
switch
– Cam switch with informative, coloured programme in-
dicator
– 12-way cam switch assembly controlling the programme
sequence
– Electronic components on plug-in printed circuit
The following important indicators and operating controls
are situated on the front of the control box:
– Reset button incorporating signal lamp for malfunction
(lockout)
– Coloured programme indicator
– Central screw fastening
Burner Control Box
TECHNICAL DATA
Supply voltage
220 / 240 V (-15... +10%)
50 Hz (50 - 60 Hz)
AC frequency variations
result in proportional timing
deviations
Fuse rating
max. 10 A rapid, 6 A slow
Power consumption
10 VA
Max. current per output
term. 3
2A, cos
ϕ
0.2
term. 4, B
2A, cos
ϕ
0.4
term. 5, 6, C
1A, cos
ϕ
0.4
Total load
5A, cos
ϕ
0.4
Amplifier sensitivity
1
µ
A
Min. current from UV tube
or ionisation probe
5
µ
A
Flame detector cable
max. 20 m cable length
Air proving switch
1 terminal 4 A, 230 V
Reset delay
none
Flame detector
- Ionisation probe
- Infra-red flicker detector
IRD 1020.1 end-on
- UV tube type
UVZ 780 red markings
installed radially or axially
Infra red flare detector
IRD 1020
Weight incl. base
350 g
Mounting attitude
any
Insulation standard
IP 44
Permissable ambient temp.
-20
°
C... +60
°
C
Classified acc. to EN 298
BTLLXN
For external resetting, the remote reset device FR 870
(art. No. 70700) can be utilized. (Refer to doc. 750).
program timings (sec.)
MMG 810.1
811.1
Model
32
33
43
45
33
63
Waiting time
at start-up
tw
9
9
9
9
9
6
Max. reaction
time for air
proving switch
tlw
6
6
6
6
6
5
Pre-purge time
tv1
24
24
40
40
24
55
Pre-ignition time tvz
3
3
3
3
3
3
T. ignition time
tz
6
6
6
8
6
5.5
Safety time
ts
2
3
3
5
3
3
Time delay
term.6 / term.C
tv2
10
10
10
10
10
6
EN1C-0142SZ20 0305
