GR SERIES GAS FRYERS - ELECTRICAL OPERATION

SEQUENCE OF OPERATION

Millivolt Controls

Refer to schematic diagram 7825.

1.Conditions.

A.Gas shutoff valve(s) on and gas combination valve knob/extension arm in the on position.

B.Shortening at proper level in fry tank and below last set point temperature used.

C.Pilot lit.

1)Pilot valve coil is energized on gas combination valve and pilot valve opens for gas flow to pilot burner.

NOTE: Pilot flame must be sufficient to generate 450 millivolts DC (minimum) from thermopile.

D.Main valve coil on combination valve not energized (valve closed).

E.Control thermostat off.

F.High limit thermostat closed.

2.Set control thermostat to call for heat.

A.Main valve coil on gas combination valve is energized and main valve opens for gas flow to main burners.

1)Main burners light.

NOTE: As long as the millivolts from thermopile remain sufficient to keep the pilot valve coil energized, and the control thermostat is calling for heat, the main gas valve stays open.

3.Shortening reaches set temperature and control thermostat opens.

A.Main gas valve coil de-energized and main valve closes.

1)Gas flow stops and main burners go out.

4.Control thermostat cycles main burners until thermostat is turned to off; gas valve knob/extension arm is turned to pilot or off.

Kleenscreen Filtering System

Refer to wiring diagram 7850. Refer to Installation & Operation manual for specific instructions on filtering.

NOTE: The filter valve handle and the discard valve handle are connected to a mechanical valve and switch assembly to route the flow of oil in the filtering system and supply power to the pump motor.

1.Conditions

A.Fryer connected to correct supply voltage and is properly grounded.

B.Shortening between 300/F and 350/F.

NOTE: Oil should not be filtered outside of this temperature range. At lower temperatures the oil is thicker which may increase filtering time and place a greater load on the pump. At higher oil temperatures, oil seal life is decreased.

C.Control thermostat off.

NOTE: Control thermostat must remain off during filtering.

D.Filter drawer assembly installed properly.

E.Filter power switch turned off.

F.Filter valve handle retracted.

1)Filter valve switch N.O. contacts open.

G.Discard valve handle retracted.

1)Discard valve switch N.O. contacts open.

2.Open the drain valve to the fryer section in need of filtering and drain the shortening into filter tank.

3.Turn filter power switch on.

A.Switch pilot light comes on.

4.Extend filter valve handle of the same fryer section.

A.Filter valve switch N.O. contacts close.

1)Power supplied to pump motor.

B.Pump motor circulates oil through filter until power is removed.

5.When the oil filtering process is completed, close the manual drain valve to the fryer and allow the fry tank to refill.

A.When all filtered oil is returned to the fryer, retract the filter valve handle.

1)Power is removed from pump motor.

6.Turn filter power switch off.

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F25125 (March 2003)

 

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Vulcan-Hart GR85F, GR65F, GR35F, GR45F, GR25 Sequence of Operation, Millivolt Controls, Kleenscreen Filtering System
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GR85, GR35, GR25, GR45F, GR35F specifications

Vulcan-Hart, a leader in the commercial kitchen equipment industry, offers an impressive lineup of gas griddles that cater to the diverse needs of foodservice operations. Among their most renowned models are the GR45, GR65, GR85F, GR65F, and GR35F, each characterized by its durability, efficiency, and innovative features.

The Vulcan-Hart GR45 is a compact yet powerful gas griddle designed for operations with limited space. It features a 45-inch cooking surface, made from polished steel that provides even heat distribution for optimal cooking results. The GR45 comes equipped with a manual control thermostatic feature, which allows for precise temperature adjustments, ensuring perfect cooking for various menu items. Its stainless steel construction not only guarantees durability but also makes cleaning a breeze.

In contrast, the GR65 offers a larger cooking surface, measuring 65 inches. This model is particularly well-suited for establishments with high-volume demands. The GR65 boasts a high-efficiency burner system that maximizes heat output while minimizing gas consumption. Its smooth, durable cooking surface allows chefs to sear meats, cook pancakes, and prepare various dishes simultaneously. Moreover, the GR65F variant includes a front grease drawer, facilitating easy cleanup and maintenance.

The GR85F model takes versatility a step further, featuring an expansive 85-inch cooking area. This griddle is ideal for high-traffic restaurants and catering operations, offering ample space to handle multiple orders at once. The GR85F utilizes a powerful gas burner system that delivers consistent heat across the entire cooking surface. Its built-in grease management system helps maintain a clean cooking area, making it a favorite among busy kitchen staff.

For those in need of a smaller griddle, the GR65F and GR35F models are perfect solutions. The GR65F is similar to the GR65 but with the added convenience of a front grease drawer, while the GR35F is ideal for establishments focusing on smaller menus or limited cooking space. Both models feature reliable performance, energy efficiency, and ease of use, ensuring that operators can increase productivity while reducing operational costs.

In summary, the Vulcan-Hart GR series, including the GR45, GR65, GR85F, GR65F, and GR35F, showcases the brand's commitment to quality and innovation. Each model's main features, such as high-efficiency burners, durable cooking surfaces, and user-friendly grease management systems, cater to the ever-evolving demands of the foodservice industry. Whether for high-volume restaurants or smaller operations, Vulcan-Hart griddles deliver performance, reliability, and versatility.
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