Beckett 7559 Manuel D’Utilisation

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Table 1 - Model Guide
Beckett 
GeniSys
24V Control 
Part No.
Lockout
Time
Valve-on
delay 
time
1
Motor-
off
delay 
time
1
7559A 0000 
1
15 sec
0 sec
0 sec
7559P 1530 
1
15 sec
15 sec
30 sec
7559P 152M 
1
15 sec
15 sec
2 min
7559P 158M 
1
15 sec
15 sec
8 min
 
Valve-on delay and motor-off delay timings on all models are 
programmable with the Beckett Contractor Tool.  Other factory 
set timings are available.  Contact Beckett for alternate 
timings.
Features
Welded Relay Protection
Limited Relight
Valve-On Delay / Motor-Off Delay (Field 
programmable with Beckett’s Contractor Tool)
15 Second Lockout Time
Interrupted Ignition
Communication Port
Lockout Alarm Output
Fused Protection

Specifications
Electrical Ratings
Inputs:
Voltage: 24 Vdc nominal (21.6 to 30 Vdc)
Current: 220 mA nominal (230 mA max at 30 Vdc)*
Enable Load: 22mA at 24 Vdc
Outputs:
Motor: 24 Vdc, 10 full load amps (FLA), 50 locked rotor 
amps (LRA)
Igniter: 24 Vdc, 3 A 
Solenoid Valve: 24 Vdc, 1 A 
Lockout Alarm: 24 Vdc, 1A


Do Not Use This Control 
in an Application that 
is Not Within the Ratings Listed in This 
Section.  Improper Control Operation May 
Result.
Do Not Use This Control 
Above 5.5 GPH
CAUTION
A low or erratic power supply could 
result in impaired burner operation, 
severe delayed ignition or an explosion 
inside the heat exchanger resulting in a 
burn and/or asphyxiation hazard. 
Maintain Specifi ed 
Voltage
Beckett DC Burners require a 
continuous supply of 21.6 to 30 volts 
DC (at 11 amps for Model ADC or 15 
amps for Model SDC), measured at 
the burner during operation.
Consult other DC burner 
manufacturers’ specifi cations for the 
correct voltage range.
Special Note: The 7559 Control 
shuts the burner down if the input 
voltage drops to a sustained level 
of 20 volts DC, or below. Operation 
resumes at a sustained input 
voltage of 21 volts DC, or above. 
An automotive or small engine 
charging system that is capable of 
supplying the required continuous 
voltage/amperage is recommended 
with certain road equipment, such 
as asphalt hot patchers and similar 
applications.
This is especially true while 
maintaining nominal load temperatures 
during idle periods. 
y
y
y
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WARNING
CAUTION
Environmental Ratings:
Storage and Operating Ambient Temperature: 
-40°F to +160°F (-40°C to +71°C)
Moisture: 5 to 95% RH, condensing

The 7559 control draws 
40-55mA in the standby 
state.  If the red control wire is left powered 
without a battery charging system, it can 
drain a standard 45 Amp hour automotive 
battery in four to six weeks.
NOTICE
*