Pro H50/55-Series Gas Fryers Service and Parts Manual - Frymaster

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J2 12 VAC TO CPTR J3 PIN 1 1 GROUND 2 GROUND COMPUTER (12 VAC) 3 J3 PIN 3 COMPUTER 4 RT HT RELAY COMPUTER 5 12 VDC TO RELAYS COMPUTER 6 LT HT RELAY COMPUTER 7 RT BL RELAY NOT USED 8 NOT USED COMPUTER 9 LT BL RELAY ** RT ALARM OUT 10 ALR (RIGHT) COMPUTER 11 SOUND DEVICE * LT ALARM OUT 12 AD (LEFT) COMPUTER 13 J3 PIN 6 COMPUTER 14 J1 PIN 2 & J3 PIN 2 COMPUTER 15 J1 PIN 6 J1 NOT USED 1 NOT USED TEMP PROBE 2 J2 PIN 14 NOT USED 3 NOT USED NOT USED 4 NOT USED NOT USED 5 NOT USED TEMP PROBE 6 J2 PIN 15 BASKET LIFT (DN) 7 LT BL RELAY NOT USED 8 NOT USED MAIN GAS VALVE via HLS 9 V2D BASKET LIFT (UP) 10 LT BL RELAY NOT USED 11 NOT USED NOT USED 12 NOT USED MOD 25V GROUND GND GROUND MOD V2D V2D J1 PIN 9 MOD 25V TERM PWR J1 PIN 8 via LT HT RELAY DRAIN SWITCH (OPT) AD J2 PIN 12 NOT USED AS NOT USED NOT USED V2S NOT USED INTERFACE BOARD CURRENT FLOW THROUGH INTERFACE BOARD 106-0386 (PRO SERIES APPLICATION) * 1-3 ** Dual-vat configurations ** Full-vat configurations J3 J2 PIN 1 1 12 VAC XFMR J2 PIN 14 2 TEMP PROBE J2 PIN 3 3 12 VAC XFMR NOT USED 4 NOT USED NOT USED 5 NOT USED J2 PIN 13 6 TEMP PROBE RT BL RELAY 7 BASKET LIFT (DN) PWR via RT HT RELAY 8 24 VAC IN V1S OR V1D 9 MAIN GAS VALVE via HLS RT BL RELAY 10 BASKET LIFT (UP) BLOWER via K4 (old) or K2/K3 (new) 11 120 VAC IN BLOWER 12 XFMR BOX GROUND MOD 25V GROUND GND J3 PIN 9 V1D MOD V1D * J3 PIN 8 via RT HT RELAY PWR MOD 25V TERM J2 PIN 10 ALR DRAIN SWITCH (OPT) J3 PIN 9 V1S MOD V1S ** LEFT-VAT FULL- OR RIGHT- VAT
FREQUENTLY USED TEST POINTS FOR INTERFACE BOARD 106-0386 TEST METER SETTING 1-4 PINS RESULTS 12VAC Power to Controller 50VAC Scale 1 and 3 on J3 or J2 12-18 24VAC Power to Right Module 50VAC Scale 8 on J3 and GROUND 22-28 120 VAC Power 250VAC Scale 11 on J3 and GROUND 110-125 120 VAC Power to Blowers 250VAC Scale 12 on J3 and GROUND 110-125 24VAC Power to Full or Right vat High-Limit 50VAC Scale 9 on J3 and GROUND 22-28 24VAC Power to Left High-Limit (if present) 50VAC Scale 9 on J1 and GROUND 22-28 Probe Resistance (Full or Right Vat) * R x 1000 OHMS 2 and 6 on J3 or 13 and 14 on J2 ** Probe Resistance (Left - if present) * R x 1000 OHMS 2 and 6 on J1 or 14 and 15 on J2 ** Probe Isolation R x 1000 OHMS 6 on J1 or J3 and GROUND *** High-Limit Continuity (Full or Right Vat) R x 1 OHM 9 on J3 and Wire 13C on Gas Valve 0 High-Limit Continuity (Left - if present) R x 1 OHM 9 on J1 and Wire 12C on Gas Valve 0 * Disconnect 15-pin harness from controller before testing probe circuit. ** See Probe Resistance Chart at the end of the chapter. *** 5 mega-Ohms or greater. 1.1.3 THERMOSTATS Pro (H50/55) Series gas fryers have temperature probes located on the front centerline of each frypot (dual-vat frypots have two probes, one in each vat). In this type of thermostat, the probe resistance varies directly with the temperature. That is, as the temperature rises, so does resistance, at a rate of approximately 2 ohms for every 1º F. Circuitry in the controller monitors the probe resistance and controls burner firing when the resistance exceeds or falls below programmed temperatures (setpoints). The temperatures are programmed by means of a keypad on the face of the controller. Pro (H50/55) Series fryers are also equipped with a high-limit thermostat. In the event that the fryer fails to properly control the oil temperature, the high-limit thermostat prevents the fryer from overheating to flash point. The high-limit thermostat acts as a normally closed power switch that opens when exposed to temperatures above 425ºF to 450ºF (218ºC to 232ºC). The different types of thermostats have different part numbers for CE and non-CE models and are not interchangeable. 1.2 Accessing Fryers for Servicing DANGER Moving a fryer filled with cooking oil may cause spilling or splattering of the hot liquid. Follow the draining instructions in Chapter 4 of the Installation and Operation manual (P/N 819-5991) before relocating a fryer for servicing. 1. Shut off the gas supply to the unit. Unplug the power cords. Disconnect the unit from the gas supply. 2. Remove any attached restraining devices and relocate the fryer for service accessibility.
Page 1 and 2: Pro H50/55-Series Gas Fryers Servic
Page 3 and 4: DANGER No structural material on th
Page 5 and 6: PRO H50/55-SERIES GAS FRYERS TABLE
Page 7: valve via a normally closed high-li
Page 11 and 12: 4. On non-CE fryers only, place the
Page 13 and 14: 1.6.2 Replacing the Temperature Pro
Page 15 and 16: 1.6.5 Replacing an Ignitor Assembly
Page 17 and 18: 6. Light the fryer in accordance wi
Page 19 and 20: ALL OTHER VALVES 4. Carefully unscr
Page 21 and 22: 3. Position a container beneath the
Page 23 and 24: 20. Remove the drain valve(s), temp
Page 25 and 26: To re-assemble with new insulation
Page 27 and 28: 6 5 4 24 23 1 21 7 2 22 8 1-22 1 16
Page 29 and 30: valve handle appears to be in the c
Page 31 and 32: If these causes are ruled out, the
Page 33 and 34: • Shortening that remained in the
Page 35 and 36: the frypot until the rod loses cont
Page 37 and 38: The following processes will assist
Page 39 and 40: Heat Relay (K2 Replaceable) 2 (PWR)
Page 41 and 42: 1. If resistance is not 5 mega-Ohms
Page 43 and 44: 1.9.2 Wiring Diagram for Full-Vat S
Page 45 and 46: 1.10 Principal Wiring Connections F
Page 47 and 48: 1.11.2 Pro H50/55-Series Fryer, Sin
Page 49 and 50: 1.11.4 Pro H50/55-Series Fryer, Sin
Page 51 and 52: 1.11.6 Transformer/Filter Boxes 1.1
Page 53 and 54: 1.11.6.4 FPPH 350/355 Transformer/F
Page 55 and 56: 1.11.8 Modular Basket Lift (208/250
Page 57 and 58: 2.1 Accessories 6 8 PRO H50/55-SERI
Page 59 and 60:
ITEM PART # COMPONENT 1 200-2942 Mo
Page 61 and 62:
ITEM PART # COMPONENT 1 Back, Singl
Page 63 and 64:
ITEM PART # COMPONENT 1 Frame, Cont
Page 65 and 66:
ITEM PART # COMPONENT 1 Frame, Cont
Page 67 and 68:
2.5 Drain, Filtration, and Oil Retu
Page 69 and 70:
2.5.2 Drain Valves and Associated C
Page 71 and 72:
2.5.3 Oil Return Line Components Th
Page 73 and 74:
2.5.4 Oil Return Handle, Oil Dispos
Page 75 and 76:
2.5.5 Oil Disposal Wand Assembly 1
Page 77 and 78:
ITEM PART # COMPONENT 1 Valve Assem
Page 79 and 80:
2.6 Electronics and Electrical Comp
Page 81 and 82:
2.6.2 Transformer Boxes 15 10 34 20
Page 83 and 84:
2.6.3 High-Limit Thermostat and Tem
Page 85 and 86:
ITEM PART # COMPONENT 1 106-1019SP
Page 87 and 88:
ITEM PART # COMPONENT 1 106-1018SP
Page 89 and 90:
ITEM PART # COMPONENT 1 Ignitor (in
Page 91 and 92:
ITEM PART # COMPONENT 1 Valve, Non-
Page 93 and 94:
Main Wiring Harnesses U.S. and Non-
Page 95 and 96:
PRO H50/55-SERIES GAS FRYERS CHAPTE
Page 97 and 98:
3.3 Single H50/55 Component Boxes 3
Page 99 and 100:
3.5 Single H50/55 Transformer Boxes
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Pro H50/55-Series Gas Fryers Service and Parts Manual - Frymaster

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