Frymaster BIH52, MH52 NOTE:

4-44

ITEM PART # COMPONENT

1 807-2484 Valve, Solenoid Vent (145 ohms)

2 810-1372 Elbow, 90º x ¼-inch NPT x ⅜-inch Tube

* 811-0932 Vent Tube 3/8” OD Bulk Teflon

3 809-0601 Clip, Rod End Clevis

4Shaft, Rear Flush Valve

810-1767 For use in left oil return valve assemblies (see illustration below). FV

810-1766 For use in right oil return valve assemblies (see illustration below).

5Handle, Rear Flush Valve

901-2772 For use in left oil return valve assemblies. FV use left only

902-2772 For use in right oil return valve assemblies.

* 900-2935 Nut, Oil Return Valve Retainer

6 813-0165 Elbow, 90º x ½-inch Street

7 813-0022 Nipple, ½-inch Close

8 810-0278 Valve, ½-inch Ball

9 806-9828SP Flexline Assembly, 9-inch Oil Return

10 813-0469 Cap, ½-inch Pipe

11 810-1360 Manifold, BIH252 Rear Flush Oil Return

12 810-1357 Manifold, BIH352 Rear Flush Oil Return

13 810-1378 Manifold, BIH452 Rear Flush Oil Return

14 Cover, BIH52 Rear Flush Oil Return Microswitch

901-2214 For use in left handle and switch assemblies.

902-2214 For use in right handle and switch assemblies.

15 826-1366 Nut, 4-40 Keps Hex (Pkg. of 25)

16 807-2103 Microswitch

17 810-1186 Cam, Filter System Microswitch

18 826-1377 Setscrew, 10-32 x ¼-inch (Pkg. of 25)

19 816-0220 Insulation, Microswitch

20 Handle, Rear Flush

823-2295 For use in Non-CE applications (see illustration below).

823-2259 For use in CE applications only (see illustration below).

21 812-1253SP Cover, Rear Flush Handle

NOTE: Left and right refer to the fryer as viewed from the front when facing the fryer.

Shaft 810-1767

(Note orientation of flat

and 45° angle to left.)

Shaft 810-1766

(Note orientation of flat

and 45° angle to right.)

Full Vat or

Left Side of Dual Vat Right Side of Dual Vat

Handle 823-2295

(Note orientation of slot)

This handle is used in

non-CE applications.

NOTE: Handles are shown in

Valve OPEN/Filter ON position.

Handle 823-2259

(Note orientation of slot)

This handle is used in

CE applications.

Contents

Main SERVICE MANUAL FRYMASTER MH52 AND BIH52 SERIES GAS FRYERS *8195423* Page Page WARRANTY STATEMENT Page Page Page CHAPTER 1: INTRODUCTION Page CHAPTER 2: INSTALLATION INSTRUCTIONS Page Page Page 2-5 Required airflow for the combustion air supply is 2m3/h per kW. Page Page CHAPTER 3: SERVICE PROCEDURES, TROUBLESHOOTING AND WIRING DIAGRAMS Page Page 3-4 CURRENT FLOW THROUGH INTERFACE BOARDS 806-3398 AND 106-0386 (H52 APPLICATION) J3 LEFT VAT FULL OR RIGHT VAT J2 Page Honeywell 3-7 CE Standard Burner Manifold Gas Pressures for Fryers Manufactured Through April 1999 Non-CE Standard Burner Manifold Gas Pressures Page Page Page Page Page Page Page Page Page Page Disassembling A Frypot Spacer 3-18 (Full Vat Illustrated) Spacers Re-assembling A Frypot 3-19 (Full Vat Illustrated) here Apply cement Page Page Page Page Page Page Page Page Page Page 3-30 3.8.1 Troubleshooting the 24VAC Circuit 3-31 FULL OR RIGHT VAT LEFT VAT 3-32 24 VOLT CIRCUIT With Interface Board 806-3398 or 106-0386 and One 807-3366 (FV) Ignition Module 3-33 3.8.2 Troubleshooting the Gas Valve 3-34 3.8.3 Troubleshooting the Temperature Probe Note: Disconnect computer before measuring probe resistance. 3-35 3.9 Probe Resistance Chart Probe Resistance Chart For use with H52 Series fryers manufactured with Minco Thermistor probes only. FOHMSC FOHMSC FOHMSC FOHMSC FOHMSC 3-36 Probe Resistance Chart (Continued) For use with H52 Series fryers manufactured with Minco Thermistor probes only. FOHMSC FOHMSC FOHMSC FOHMSC FOHMSC 3-37 3.10 Simplified Wiring Diagrams H52 SERIES FULL-VAT JUNE 1996 - JULY 1999 DRAIN SAFETY SWITCH ONLY ON BIH52 MODELS AIR SWITCH ONLY ON CE AND SOME EXPORT UNITS HOOD RELAY 3-38 H52 SERIES FULL-VAT BEFORE JUNE 1996 & AFTER JULY 1999 MODULE LEFT IGNITION MODULE LINE VOLTAGE H52 SERIES FULL-VAT WITH ONE DUAL-SPARK IGNITION MODULE SINGLE-SPARK IGNITION BE EQUIPPED WITH TWO MODULE. OTHERS MAY DUAL-SPARK IGNITION H52 SERIES DUAL-VAT JUNE 1996 - JULY 1999 MODULE LEFT IGNITION MODULE DRAIN SAFETY SWITCH H52 SERIES DUAL-VAT BEFORE JUNE 1996 & AFTER JULY 1999 MODULE LEFT IGNITION MODULE (TWO DUAL-FUNCTION HEAT/BLOWER RELAYS (K1 & K2) AND TWO IGNITION MODU LES) 3-42 3.11 Principal Wiring Connections C4 C1 J3 BIH152 Main Wiring Diagram (U.S., CE, and Non-CE Export) 8050926E T M 3-44 8050502G BIH52/MH52 Main Wiring Diagram (U.S. and Non-CE Export) Old Single-Spark Ignition Module PWR WHT 2 BIH52/MH52 Main Wiring Diagram (U.S. and Non-CE Export) New Dual-Spark Ignition Module 3-46 BLACK C5 BIH52/MH52 Main Wiring Diagram (CE) Old Single-Spark Ignition Module BIH52 Filter Box Wiring Diagram (U.S., CE, and Non-CE Export) 3-47 3-48 MH152 Transformer Wiring Diagram (U. S. and Non-CE Export) 120V CONFIGURATION SHOWN 2 31 N 8050504C MH152 Transformer Wiring Diagram (CE) BIH252/MH252 Transformer Box Wiring Diagram (U.S. and Non-CE Export) 3-50 BIH352/MH352 Transformer Box Wiring Diagram (U.S. and Non-CE Export) 3-51 3-52 8050500E 56 BIH452/MH452 Transformer Box Wiring Diagram (U.S. and Non-CE Export) 120 VOLTS 2 LINECOM 14 1 56 BIH452/MH452 Transformer Box Wiring Diagram (CE) 18C BLUE FRYER 1 6C BLUE NOTE: Also used for CE BIH252/MH252 and CE BIH352/MH352 Transformer Boxes. CHAPTER 4: PARTS LIST 4-2 4.2 Cabinetry Components 4.2 .1 BIH152 and MH152 Cabinet Components MH152 BIH152 Page 4-4 4.2.2 BIH52 Cabinet Components (Batteries) Detail of Gusset and Filter Rail Construction Detail of Base Assembly Construction NOTE: Items 26 and 27 are not used on CE units. 4-5 4.2.2 BIH152 Cabinet Components (Batteries) cont. Page 4-7 4.2.3 MH52 Cabinet Components (Batteries) cont. * Not illustrated. LIST CONTINUED ON NEXT PAGE Page Page 4-9 4.2.4 BIH52/MH52 Cap-N-Splash Assemblies, Fluecaps, Standoffs and Related Parts Page Page Page 4-13 4.3 Combustion System, Frypot and Gas System Components 4.3.1 Blowers and Associated Parts 4-14 4.3.2 Ignition Sub-System Components ITEM PART # COMPONENT 4-15 4.3.3 Frypot Assembly Components 4.3.3.1 Full Vat Kits.) Kits and Insulation Full Vat Frypot 4-16 4-17 4.3.3.2 Dual Vat Kits and Insulation Dual Vat Frypot Components (See Page 4-19 for list of Service Frypot 4-18 Page Page 4-21 4.3.6 Gas Manifolds BIH52/MH52 Multi-Fryer Units Typical Configuration for Systems using non-CE Gas Valves 826-1122 or 826-1123 Typical Configuration for Systems using CE Gas Valve 810-1715 Full Vat (left) and Dual Vat (right) Manufactured Gas Configurations (MH52 and BIH52) Page 4-23 4.3.7 Gas Valves, Gas Lines and Fittings Page 4-25 4.4 Electronics 4.4.1 Computers, Controllers and Associated Components 2 1 1 2 Discontinued M100B Computer. Replaced by M2000 computer. Page 4-27 4.4.2 Component Boxes Page 4-29 4.4.4 Transformer Box Components ssy. PN 806-8338SP BIH452/MH452 BIH152 4-30 Page Power Cords NOTES: 4-34 4-35 4.5.1.2 Drain Valve Assemblies and Associated Components Locknut separate items. face-to-face. 4-36 4-37 4.5.2 Filtration System Components 4.5.2.1 Filter Base Assemblies Page 4-39 4.5.2.2 Filter Motor and Pump Plumbing Prior to September 1999 Standard BIH52 Filter Motor and Pump September 1999 and Later 4-40 4-41 4.5.2.3 Filter Pan Assemblies and Associated Components Page 4-43 4.5.2.4 Rear Flush Oil Return Components NOTE: