Westerbeke | 7.6 kw EDT | BTD (7.6kW) Diesel Generators Wiring Diagram

ME-AGS-N wiring diagram –
For Westerbeke (7.6 BTD Diesel Generators)
12/24/48V
ON
inside
1 2 3 4
inside
IMPORTANT:
Each wire between
the external relays
and generator must
be sized to handle
the required
amperage of that
circuit.
Input DC Voltage
jumper - set to
Monitored battery
bank voltage
(on 48V setting)
Dip-switch
configuration
(5-Wire Mode)
Place ‘Stop Relay’ in series
with ‘Stop Switch’ wiring.
20 amp
fuse
5 amp
fuse
1
2
5
amp
fuse
85
10
Stop
Relay
Battery
Bank
(monitored
for gen
turn on)
86
TB1
87
0123
87A
5 amp
fuse
85
86
Preheat
Switch
(N.O.)
Start
Switch
(N.O.)
5
30
1
2
30
TB2
Start
Relay
Gen Run Signal
(input to pin 2 must
be 10 to 40 DC volts
only while generator
is running);
can be the generator
hour-meter or a
12vdc pilot/run light
Stop
Switch
(N.C.)
87
87A
≤ 30 amp
fuse
Gen
Hour Meter
Gen
Battery
Westerbeke
7.6 BTD
Generator
5 amp
fuse
Relays used are SPDT 30 Amp, 12 VDC coil relay; popular in automotive sound and security installations. Equivalent
to Bosch #0 332 209 150 or TYCO #V23234-A1001-X036.
ME-AGS-N Relay Timing Information
GEN AND POWER I/O
Relay 1
(terminals 5 & 6)
Relay 3
(terminals 1 & 8)
Stop
Start
Delay
Delay
Relay 2
(terminals 6 & 7)
Start
RUN TIME
HOURS
Preheat
Stop
Stop Time
10 Sec.
Start Delay Time
14 Sec.
Start Time
10 Sec.
Preheat Delay Time
4 Sec.
Preheat Time
25 Sec.
Next Retry Time
2 Min.
Total Start Attempts
4
Magnum Energy, Inc. provides this diagram to assist in the installation of the Auto-Generator Start controller.
Since the use of this diagram and the conditions or methods of installation, operation and use are beyond the
control of Magnum Energy, Inc., we do not assume responsibility and expressly disclaim liability for loss,
damage or expense arising out of the installation, operation and use of this unit.
3-28-2012
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