This document is a service manual for the Pitco Solstice Electric Fryers, specifically the SELV Series. It provides comprehensive information on the installation, operation, maintenance, and troubleshooting of these commercial deep fryers.
Function Description:
The Pitco Solstice Electric Fryers (SELV Series) are commercial deep fryers designed for professional use in various food service establishments such as restaurants, canteens, hospitals, bakeries, and butcheries. They feature a low oil volume frying vat and utilize high-efficiency, ribbon-style heating elements for direct heating. These elements are designed with a lower watt density per square inch, which is gentler on the cooking oil. The elements can rotate upward for easy cleaning. The fryers are controlled by an I12+ Controller, which manages heat demand based on input from a thermistor located in the fryvat. The control system also includes a hi-limit device for additional safety, preventing overheating to the flash point. SELV fryers are available in full- or split-vat arrangements and can be purchased in batteries of up to five fryers.
Important Technical Specifications:
- Heating System: Ribbon-style heating elements for direct heating.
- Control System: I12+ Controller with thermistor-based temperature regulation.
- Safety Features: Hi-limit thermostat that opens when temperatures exceed 425°F to 450°F (218°C to 232°C).
- Electrical Control Circuits: 24 V AC.
- Power Supply: Elements can be configured for a wide range of electrical supplies.
- Filtration System: Features a large round drain designed to wash fries and other debris into the filter pan.
- Basket Lift (Optional): Self-contained unit requiring 120V, 208V, or 240V supply. Baskets lift to the up position when power is supplied and lower with a 24 VDC output from the controller.
- Auto Top Off (ATO) (Optional): Adds small doses of oil from a "Jug in Box" (JIB) when low oil conditions are detected. Uses the filter pump and a linear actuator to redirect pump flow. The ATO probe is located on the rear wall of the fry tank.
- Automated Filtration (Optional): Replaces manual drain and return handles with actuators. User input is required to initiate filtration. The system opens the drain valve, drains oil into the filter pan, opens the return valve, and actuates the filter pump for a user-programmable period.
- Transformer Specifications:
- PP10429: Secondary 24V (0.7 Ohms), Primary 240V (30.4 Ohms), 208V (25.3 Ohms), 120V (9.9 Ohms).
- PP10428: Secondary 24V (0.6 Ohms), Primary 480V (119.5 Ohms), 440V (107.7 Ohms), 380V (90.2 Ohms).
- DVI Switch Resistance: Near zero Ohms when valve is closed, open circuit when valve is open.
- Hi-Limit Resistance: Not explicitly stated, but implies a closed circuit when operating normally and an open circuit when tripped.
- Probe Resistance: Varies with temperature. At room temperature, approximately 108 Ohms. At 350°F, approximately 167 Ohms. Should be >4 Meg Ohms to frame, not shorted (<100 Ohms), and not open circuit (>350K Ohms).
- HD Contactor Coil Resistance: 3.3 Ω +/- 1.
- Side On Safety Contactor Coil Resistance: Approximately 5.5 Ω to 7 Ω out of circuit.
- Element Resistance:
- 208 Volt Element: 14.1-16.4 Ω
- 240 Volt Element: 18.8-21.8 Ω
- Elements should have no continuity to ground.
Usage Features:
- User Interface: Controlled via an I12+ Controller with a front panel bezel.
- Manual Filtration (if equipped): Pulling the BLUE drain valve handle opens the drain and a "Drain Valve Interlock" (DVI) magnetic switch, disabling the heating system. Pushing the handle closes the drain. Pulling the RED return valve handle opens the return valve and energizes the pump.
- Automated Filtration (if equipped): Initiated via the I12+ computer. The system drains oil, filters it, and returns it to the fry vat. Includes a query to ensure the vat is full after filtration.
- Auto Top Off (ATO) (Optional): Automatically adds oil when low oil conditions are detected, but only when the vat is in an idle condition (not cooking or melting) and within 20°F of the cooking set-point.
- Basket Lift (Optional): Baskets can be lowered via a 24 VDC output from the controller.
Maintenance Features:
- Access for Servicing: Instructions for unplugging power cords (one per vat), turning off circuit breakers, removing the controller front panel bezel, and removing entrance box covers.
- Component Replacement: Detailed steps for replacing various components including:
- Relay Board and Paper
- Hi-limit Switch and/or Sensing Probe
- Drain Valve with Actuator (Auto Filter Only)
- DC Power Supply and Transformer Box
- Filter Pump Actuator
- Oil Top Off Probe
- Return Valve
- Basket Lift Components (Cover, Transformer, Driver Board, Actuator)
- Flush Hose Assembly and Valve
- Waste Oil and Components (Rear Mounting Bracket, Check Valve)
- Filter Pump and Motor (including Seal Kit)
- Pump Relay and Circuit Breaker
- Drain Line or Electricket
- High Limit (Side On) Contactor
- Heat Demand and Transformer
- DVI Switch
- Frypot
- Element
- Troubleshooting: Includes sections for diagnosing issues with the probe, HD contactor, Side On Safety Contactor, Drain Valve and Return Valve Switches, Transformer, Elements, Relay Board, and Computer Control. Provides resistance charts for probes and guidelines for checking continuity and voltage.
- Cleaning: Emphasizes immediate cleanup of spilled oil/shortening to prevent slipping hazards. Recommends occasional probe cleaning when the vat is empty and cool.
- Safety Warnings: Numerous "DANGER" and "WARNING" notices throughout the manual highlight critical safety precautions, including disconnecting power, emptying oil, avoiding standing on the appliance, not using it as a step, and proper handling of hot liquids.
- Qualified Personnel: Stresses that installation, operation, and service must be performed by qualified, certified, licensed, and/or authorized personnel to ensure safety and maintain warranty validity.
- Warranty: Notes that using non-Pitco parts or modified parts will void the warranty.
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