Honeywell Satronic DMG 973, Руководство пользователя, Страница: 5 / 6

5
CIRCUIT AND TIMING DIAGRAM DMG 973
WITH AIR DAMPER MOTOR
BLOCK DIAGRAM DMG 973
term. 8
term. 2
term. 9
blue
black
brown
IRD 1020.1
UVD 971
IRD- OR UVD CONNECTION
DMG 973
HS Mains switch
GW Gas proving switch
ST Limit thermostat
RT Control thermostat
EV External reset and lock out button
IS Ionisation probe
(IRD 1020.1, UVD 970 see separate
diagram)
Z Ignition
M Burner motor
V1 Solenoid valve, 1st-stage
V2 Solenoid valve, 2nd-stage
LW Air proving switch
SA External lock out signal
L Air damper motor
tlw max. reaction time for air proving
switch
tv1 Supervised pre-purge time
tlk LK-open command during
pre-purge
tr LK-close movement
tf Stray light monitoring
tvz Pre-ignition time
tn Post-ignition time
ts Safety time
tv2 Delay terminal 6/C
rv1 rs
2 C 6 5 7 4 3 B 8 9 A
rz
rv2
Flame
amplifier
Reset
µ
C
Reset and
lock out
Power
supply
monitoring
RZ RV1 RV2 RS
Fault display
Information
system
EEPROM Oscillator
µ
C
Watchdog
Mains
monitoring
Power
supply
RLK
rlk
M
Ph
N
HS
ST GW RT
EV
1 2 3 4
5
6 7
9 8 A
IS
Z
V1
L SA
C
LW
B
M
Ph
N
HS ST GW RT
EV
IS
Z
V1 V2 SA
LW
1 2 3 4 5 6 7 9 8 A
C
B
tlw tvz tn ts tv2 tv1 tlk tr tf
WITHOUT AIR DAMPER MOTOR
max. 10A fast
6A low
max. 10A fast
6A low