AUTOFLAME MK8 User Manual

1
Autoflame Flame Safeguard Overview, Specifications and Wiring
Flame Safeguard (MM80001/FSG) Manual
Page | 19
1.3.1 Servo Motor Control Schematic Main Board
72
CALL FOR HEAT
BURNER ON/OFF
AIR PROVING SWITCH
GAS VALVES C.P.I./POC
LOCKOUT RESET
PILOT VALVE
MAIN FUEL VALVE 1 MAIN FUEL VALVE 2
IGNITION TRANSFORMER
GREEN
YELLOW
22 21
N
LIVE/HOT
NEUTRAL
EARTH
BURNER MOTOR
58
BLUE
51
50
51
50
RED
* LIMIT STAT
51 50
S
55 53 52 54 56 57
VENT VALVE
60 59 61 63 62 64
67 66 68 70 69 71
FLAME SWITCH
AT NO FLAME STATE.
78 75 73 74 76 77 80 79 81 83 82 84
FUEL 2 FUEL 1
LINE V
0 V
FUEL 4 FUEL 3
90 87 85 86 88 89 92 91 93 95 94
11
4 2 1
S
3 6 5 7
S
9 8
10 14
S
12 13
S
15 17 16 20
S
18 19 22 21
S
29 26 24 23 25
S
28 27
S
35
30
34 31 49 48 41 38
S
37
S S
39 40 43 42 45 44 47 46
S
PRE-IGNITION SAFETY INTERLOCK CIRCUIT RUNNING INTERLOCK NON-RECYCLING INTERLOCK
GREEN
YELLOW
BLACK
RED
YELLOW
GREEN
LINE VOLTAGE
LOW VOLTAGE
I.R. SCANNER
MODBUS
27 28
6A FUSED SUPPLY
*NOTE:
HIGH LIMIT STAT MUST BE MANUAL RESET
TYPE
U.V. DETECTOR
SELF CHECK
U.V. DETECTOR
EXTERNAL AUXILIARY
DELAY TO PURGE
OUTLET
PRESS.
(OPTIONAL)
GAS
BOOSTER
INLET
PRESS.
6.3A T
T50 TO T64
ALL LOW VOLTAGE WIRING TO THE CONTROL IS TO BE WIRED AS PART OF A CLASS 1 CIRCUIT
BLUE
RED
S
32 33
F4
500mA
F3
500mA
FUSE 1
2A T
SERVO SHORT
CIRCUIT
FUSE 2
LF/20.06.23/MK8 MM FLAME SAFEGUARD ISS3
IF IN DOUBT ASK AUTOFLAME TECHNICAL DEPARTMENT
80 81
HIGH FIRE / PURGE SWITCH
RELAY BOX
HIGH/LOW INITIATE
RELEASE TO MODULATE
B
R
W
69
R1
W1
B1
B
R
W
R
W
B
PRESSURE
CONTROLLER
MOTOR
HF
LF
LOW FIRE / START SWITCH
R1
R2
POWER
COMMON ALARM RELAY
79
BROWN
PURPLE
BLUE
RED
GAS PRESSURE
SENSOR

AUTOFLAME MK8 Specifications

General

Brand	AUTOFLAME
Model	MK8
Category	Controller
Language	English