IMPORTANT: The electronic S8600 Control Module cannot be repaired. If troubleshooting procedure indicates a malfunction in the S8600 the S8600 Control Module must be replaced. Intermittent pilot systems should be serviced only by trained and experienced personnel.

SEQUENCE OF OPERATION

START

STAGE 1

TRIAL FOR

IGNITION

1THERMOSTAT (CONTROLLER)

CALLS FOR HEAT

2SPARK GENERATOR

powered by First Valve (pilot) operator opens

3

 

 

PILOT BURNER OPERATION

 

 

 

 

 

Pilot burner lights.

OR

Pilot burner does not light

 

Module senses

Module

Response

 

 

flame current.

 

 

 

S8600A,F

Ignition spark continues, pilot valve remains

 

 

 

 

 

 

 

 

S8610A, F

open until system is reset

 

 

 

 

 

S8600B, H

After 15 or 90 sec. a system

 

 

 

 

S8610B, H

lock outs; must be manually reset

 

 

 

 

 

S8600M

After on sec. a system shuts off; after 5 minutes

 

 

 

 

 

min. (6 minutes nom.), module restarts trial for

 

 

 

 

 

ignition; ignition trial, shutoff, wait sequence

 

 

 

 

 

repeats until pilot lights or call for heat ends.

 

 

 

 

 

a Shutoff/lockout timing is stamped on module

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STAGE 2

MAIN BURNER

OPERATION

END

4FLAME CURRENT SENSED

Spark generator off

Second valve operator (main) opens.

4MAIN BURNER OPERATION

Module monitors pilot flame current.

4THERMOSTAT (CONTROLLED)

SATISFIED

Valves close, pilot and main burners are off.

POWER INTERRUPTION

System shuts off, restarts when power is restored.

PILOT FLAME FAILURE

Mail valve closes.

Module starts trial for ignition.

WIRING DIAGRAM LADDER FORM

WIRING DIAGRAM HONEYWELL EP SYSTEM

S86

14

Page 15
Image 15
Wayne P265-EP, P250AF-DI, P265F Start Stage, Thermostat Controller Calls for Heat Spark Generator, Pilot Burner Operation

P265, P250AF, P265-EP, P250AF-DI, P250AF-EP specifications

Wayne P265-EP, P250AF-EP, P250AF-DI, P265F, and P265 are a series of fuel dispensing pumps known for their reliability and advanced technology. These pumps are engineered to meet the demanding needs of various fueling environments, making them suitable for both commercial and retail operations.

The Wayne P265-EP is particularly notable for its compact design and efficient performance. It features a user-friendly interface, making it easy for operators to manage fuel dispensing. Its electronic controller allows for precise monitoring and control of fuel flow, ensuring accurate transactions while minimizing wastage. The pump is also equipped with advanced security features to prevent unauthorized access.

The P250AF-EP and P250AF-DI models are designed with versatility in mind. They can support multiple fuel types, including gasoline, diesel, and biofuels, providing flexibility for businesses looking to serve a diverse clientele. The integrated diagnostics system helps operators identify issues quickly, reducing downtime and enhancing operational efficiency. Additionally, these models incorporate Wayne's SmartServe technology, which optimizes service intervals and maintenance schedules.

The P265F model emphasizes high performance and durability. Constructed with robust materials, it withstands harsh environmental conditions, making it ideal for outdoor installations. Featuring an advanced filtration system, it enhances fuel quality by removing contaminants, thereby extending the lifespan of both the pump and the connected storage tanks. Enhanced hydraulic efficiency translates to faster fueling times, increasing customer satisfaction at busy fueling stations.

Lastly, the P265 model stands out for its automatic nozzle shut-off function, which significantly reduces the risk of overfills and spills. This feature safeguards both the environment and the business against potential liabilities associated with fuel spillage.

In summary, the Wayne P265-EP, P250AF-EP, P250AF-DI, P265F, and P265 pumps incorporate cutting-edge technologies that prioritize efficiency, safety, and user convenience. Their advanced features ensure reliable performance across a variety of fueling applications, making them a preferred choice for operators seeking high-quality dispensing solutions. Whether it's speed, security, or flexibility, Wayne pumps are engineered to meet the evolving needs of the fuel distribution industry.