Middleby Marshall Oven PS870 Parts List
PS870 “WOW” SERIES GAS FIRED:
A MIDDLEBY COMPANY
Parts Manual
with Wiring Diagrams
for domestic ovens
SPL062506-PF-BD
June 25, 2006
Serial # Code
First 4 digits - order of production
Fifth digit - model specific
Sixth and Seventh digit - month of production
Eighth and Ninth digit - year of production
Starting Serial # 982150606
Serial Tag Location
©2006 Middleby Marshall Inc.
Table of Contents: Page 2
www.middleby.com
email: techsupport@middleby.com
1-847-741-3300 fax 1-847-741-4406
Table of Contents
Spec Sheet ...............................................................................3
Key Parts ..................................................................................6
Cross Reference of Wiring Diagram Symbols
and Part Number(s) .................................................................. 7
View of Installation Kit(s) and Base Kit(s).................................8
Parts for Installation Kit(s) and Base Kit(s) ............................... 9
View of Oven Panels, End Plugs and Window ........................ 10
Parts for Oven Panels, End Plugs and Window ...................... 11
View of Gas Piping .................................................................12
Parts for Gas Piping ............................................................... 13
View(s) of Burner/Blower Motor Assembly ............................. 14
Parts for Burner/Blower Motor Assembly ............................... 15
View(s) of Front Control Area(s) ............................................. 16
Parts for Front Control Area(s) ............................................... 17
View of Rear Compartment and Blowers
(Conveyor Drive End Shown)..................................................18
Parts for Rear Compartment and Blowers
(Conveyor Drive End Shown)..................................................19
View of “Single” Belt Conveyor ...............................................20
Parts for “Single” Belt Conveyor.............................................. 21
View of “Split” Belt Conveyor .................................................. 22
Parts for “Split” Belt Conveyor ................................................ 23
Standard Finger Configuration 57138C and Part Numbers .... 24
Wiring Diagram, G208-240, 50/60Hz, 1 Phase 54745 Rev. G ...... 25
2
345
KEY PARTS
3
1
23
4, 4A, 4B
5
6
11A, 11B
7
8
9
12
13
14
16
17
18, 19, 20
ITEM PART NO. DESCRIPTION QUANTITY
1 59081 Display, Touch Screen 1
2 58678 Drive Motor, Conveyor, 1400:1, 130VDC 1 or 2
3 58679 Controller, Conveyor 1 or 2
4 33812-7 Thermocouple, 9-1/2" Temp. Control 5
4A 33812-8 Thermocouple, 2.5" Control Compartment 1
4B 33812-1 Thermocouple, 6″ High Limit (33984) 1
5 M9616 Cooling Fan, 6", 24VDC 2
6 57288 Blower Motor, 2 hp, 1725 RPM 2
7 54727 Ignition Module, Dual 1
8 M9887 Burner/Blower Motor, 24VDC 1
9 41647 Modulating Gas Valve, 1/2" 2
10 31651 Amplifier Board 2
11A 50610 Air Switch, Rear Blower 2
11B 57141 Air Switch, Burner/Blower Motor, Front 1
12 32108 Transformer, 240V/24V, 65VA 2
13 M9608 Power Supply, 24VDC 1
14 59112 Photocell 2
15 59168 Invertor, 2 hp 2
16 33983 Hi Limit Control Module 1
17 54724 Gas Valve, Main, 1/2" Natural Gas 1
18 59109 Control Module, Digital, C14RS, Left 1
19 58668 Thermocouple Module, Digital, TC4, Middle 1
20 58669 Convertor Module, Digital, A041, Right 1
10
15
6
CROSS REFERENCE of WIRING DIAGRAM SYMBOLS and PART NUMBERS
• Air Switch 1 -Rear Right .................................... 50610
• Air Switch 2 - Rear Left ......................................50610
• Air Switch 3 - Front Right ...................................57141
• Blower Motor–Left .............................................. 57288
• Blower Motor–Right ........................................... 57288
• Burner Blower Motor ........................................ M9887
• Circuit Breakers
• CB1 - 15A ..........................................................45037
• CB2 - 15A ..........................................................45037
• CB3 - 15A ..........................................................45037
• CB4 - 15A ..........................................................45037
• CB5 - 3A ............................................................ 45036
• CB6 - 3A ............................................................ 45036
• CB7 - 1A ............................................................ 45644
• CB8 - 1A ............................................................ 45644
• Cooling Fan LH ................................................ M9616
• Cooling Fan RH ............................................... M9616
• Controller 1 DC .................................................. 58679
• Controller 1 DC (split belt) .................................. 58679
• Conveyor Motor ................................................. 58678
• Conveyor Motor (split belt) ................................. 58678
• Dual Burner ........................................................ 54719
• Converter Module - Digital A041, Right ..............58669
• Control Module - Digital C14RS-A, Left .............. 59109
• Thermocouple Module - Digital TC4, Middle ....... 58668
• Gas Valve .........................................................54724
• Green Light (Reset Button) ................................ 35145
• GT30 Display ..................................................... 59081
• Ignition Module, Dual ......................................... 54727
• Inverter - 1 Left, 2HP ......................................... 59168
• Inverter - 2 Right, 2HP ....................................... 59168
• Switch(es)
• LS1 (LH RR), Momentary .......................... 28021-0061
• LS2 (RH RR), Momentary ......................... 28021-0061
• LS3 (RH Front), Inter Lock ........................ 28021-0047
• LS4 (LH Front), Inter Lock ........................ 28021-0047
• Reset Button ..................................................... 35145
• Mod Valve 1 ...................................................... 41647
• Mod Valve 2 ...................................................... 41647
• Photocell 1 Entrance ......................................... 59112
• Photocell 2 Exit ................................................. 59112
• Power Supply .................................................. M9608
• Relay .................................................................59132
• Signal Amplifier 1 .............................................. 31651
• Signal Amplifier 2 .............................................. 31651
• TB1 RR LT (3 Pole) ........................................... 44390
• TB2 RR LT (3 Pole) ........................................... 44390
• TB3 RR RT (3 Pole) ...........................................44390
• TB4 RR LT (8 Pole) ........................................... 31047
• TB5 Comp Brkt (4 Pole) .................................. M0593
• TB6 Comp Brkt (4 Pole) .................................. M0593
• TC1 - 6″ High Limit (33984) ............................. 33812-1
• TC2 - 9-1/2", Oven Temp. ...............................33812-7
• TC3 - 9-1/2", Oven Temp. ...............................33812-7
• TC4 - 2.5", Control Compartment .................... 33812-8
• XFMR1 - 240V/24V 65 VA .................................32108
• XFMR2 - 240V/24V 65 VA .................................32108
• High Limit .......................................................... 33983
Wiring Diagram on Page 25.
7
View of INSTALLATION KIT (Part Number 59057)
View of BASE PAD KIT
8
Parts for INSTALLATION KIT (Part Number 59057)
QTY. – SGL.
ITEM BELT P/N DESCRIPTION
20 1 55028 CONVEYOR REAR STOP, 18″
21 1 55027 CONVEYOR END STOP, 29-1/4″
22 1 33120-0054 GAS PIPE NIPPLE, 1-1/4″ X 6″
23 1 59226 BRACKET, REFLECTOR, R.H.
QTY. QTY. QTY.
SGL. SGL./DBL. TRIPLE
OVEN OVEN/W OVEN
″″
19
″ LEGS 15
″″
ITEM 49026-0009 49026-0011 49026-0012 P/N DESCRIPTION
1A 4 — — 37210-0060 LEG, 19″ (483mm) (OPTIONAL)
1C — 4 — 37210-0057 LEG, 15″ (381mm)
1D — — 4 39684 LEG, 4″ (102mm) (43158, set of 4)
3A 2 2 2 37115-0102 CASTER, SWIVEL WITH 3/4″ ST UD
3B 2 2 2 58930 CASTER, SWIVEL WITH BRAKE
6 2 2 2 27271-0004 PIPE CLAMP, 1-1/2″
7A 2 2 2 33120-0055 NIPPLE, 1-1/4″ DIA. X 3″ L, NPT
7B 1 1 1 33120-0054 PIPE, 1-1/4″ DIA. X 6″ L
8 2 2 2 23122-0007 ELBOW, 90°, 1-1/4″ DIA.
9 1 1 1 22361-0003 GAS HOSE, 1-1/4″ DIA. x 72″ L
10 4 4 4 22450-0028 LEG, 6″ (152mm) ADJUATABLE WITH 3/4″ STUD
11 1 1 1 33120-0056 GAS PIPE, 1-1/4″ DIA. x 54″ L
12 1 1 1 22450-0253 RESTRAINT CABLE, 60″ (1524mm)
13A 1 1 1 21392-0005 EYE BOLT, WALL
13B 1 1 1 37699 EYE BOLT, BASE PAD
14 2 2 2 35210-0656 TOP COVER (RIGHT OR LEFT)
NOT SHOWN:
15 1 1 1 37210-0055 BASE PAD
16 2 2 2 21292-0001 SCREW, TEKS HWH #2PT #10-16 x 3/4″
17 16 16 — 21216-0018 BOLT, HEX CAP 1/2″-13 x 1-1/4″
18 16 16 — 21416-0003 FLAT WASHER, 1/2″
19 16 16 — 21426-0004 LOCK WASHER, 1/2″
20 8 8 8 59156 SCREW, TOP COVER, 1-1/2″ LONG
″″
″ LEGS
″″
9
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