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Parts Manualfor domestic, CE and standard export ovens
PS520E-Series Electric Ovens:English
SPL102606-PF-BDOctober 26, 2006
replaces SPL082505-PF-BDdated August 25,2005
©2006 Middleby Marshall Inc.
Serial Number Code:First Four Digits - Order Of ProductionFifth Digit - Model SpecificSixth & Seventh Digit - Month of ProductionEight & Ninth Digit - Year of Production017070405 - Starting Serial Number and Higher
Serial TagLocation
www.middleby.comemail: [email protected]
1400 Toastmaster Drive • Elgin, IL 60120phone: 847-741-3300 • fax: 847-741-4406
Models w/adjustable conveyorbelt feature are serial051471006 and higher
Table Of Contents: Page III
II
WARNINGFOR YOUR SAFETY, DO NOT STORE ORUSE GASOLINE OR OTHER FLAMMABLE
VAPORS AND LIQUIDS IN THE VICINITY OFTHIS OR ANY OTHER APPLIANCE.
WARNINGImproper installation, adjustment, alteration,service, or maintenance can cause property
damage, injury, or death. Read theinstallation, operating, and maintenance
instructions thoroughly before installing orservicing this equipment.
NOTICEThe warranty is NOT VALID unless the oven is installed, started, anddemonstrated under the supervision of a factory-authorized installer
NOTICEContact your authorized Service Agency to perform maintenance and
repairs. A Service Agency Directory is supplied with your oven.
NOTICEUsing any parts other than genuine Middleby Marshall factory-manufactured
parts relieves the manufacturer of all warranty and liability.
NOTICEMiddleby Marshall (Manufacturer) reserves the right to change specifications
at any time.
KEEP THIS MANUAL IN A VISIBLE LOCATION NEAR THEOVEN FOR FUTURE REFERENCE.
III
TABLE OF CONTENTS
Oven Specifications ........................................................................... 1
Oven Dimensions............................................................................... 2
Installation Kit .................................................................................... 3
Key Spare Parts ................................................................................. 4
Front view of oven ............................................................................. 5
Parts for front view of oven ................................................................ 6
View of right hand of electrical compartment ..................................... 7
Parts for right hand electrical compartment ....................................... 8
Rear-view blower compartment ......................................................... 9
Parts for rear-view blower compartment .......................................... 10
View of left hand electrical compartment ......................................... 11
Parts for left hand electrical compartment ....................................... 12
View of conveyor parts .................................................................... 13
Parts for conveyor ............................................................................ 14
View of mobile cart .......................................................................... 15
Parts for mobile cart ......................................................................... 16
Standard Finger placement and part number .................................. 17
WIRING DIAGRAMS
208/240V Domestic USA/Canada - 48713J .................................... 18
380/480V Domestic USA/Canada - 52445J .................................... 19
230/240V CE, 1 Phase - UK,FR,GM,IT,SP - 52446K ...................... 20
380/400V CE, 1 Phase - UK, FR, GM, IT, SP - 54661J .................. 21
380/400V CE, 3 Phase - High Leg - 58158F ................................... 22
1 PS520E Parts Manual - 10/26/06
PS520 SERIES OVEN SPECIFICATIONS
Conveyor Belt Width 18.00” (457mm)
Heating Zone Length 20.00” (5098mm)
Baking Area Square Feet 2.5 sq ft (.023 sq. m.)
Overall Dimensions
Standard Single Oven w/Legs 42.00” (1067mm) L x
35.21” (894mm) W x
21.72” (786mm) H x
Overall Dimensions
Double Oven 42.00” (1067mm) L x
35.21” (894mm) W x
37.27” (947mm) H x
Overall dimensions
Triple Oven 42.00” (1067mm) L x
35.21” (894mm) W x
52.82” (1342mm) H x
Weight of Single Oven 250 lbs (93.3kg)
Shipping Weight 325 lbs (121.3kg)
Operating Range 8.3 kW/hr
Maximum Operating temperature 5500F (2870C)
Warm-up Time 20 min.
Belt Speed Limits 1-10 minutes
SERIES PS520 ELECTRICAL SPECIFICATIONSMain Blower & Control Circuit Phase Frequency Amperage Poles Wires
Elements Voltage Voltage Draw
All Models 208-240V 208-240V 1 Ph 50/60 Hz See Below 2 Pole 3 Wire(2 hot, 1 grd)
Heater AmperageVoltage kW Amp
208 8.3 39.9230 7.6 33.0240 8.3 34.6
Non-CE 380V 230-240V 1 Ph 50/60 Hz See Below 3 Pole 4 WireHeater Amperage (2 hot, 1 neut, 1 grd)
Voltage kW Amp380 8.3 21.8
Domestic/Non-CE 480V 208-240V 1 Ph 50/60 Hz See Below 3 Pole 4 WireHeater Amperage (2 hot, 1 neut, 1 grd)
Voltage kW Amp480 8.3 17.3
CE Only 380-400V 230-240V 1 Ph 50/60 Hz See Below 2 Pole 3 WireHeater Amperage (2 hot, 1 grd)
Voltage kW Amp380 8.3 21.8400 8.3 23.0
3 Ph 50/60 Hz See Below 4 Pole 5 WireHeater Amperage (3 hot, 1 neut, 1 grd)
Voltage kW L1 L2 L3 N380 8.3 21.8 21.8 1.2 1.2400 9.2 23.0 23.0 1.2 1.2
2PS520E Parts Manual - 10/26/06
Figure 2-5. MODEL PS520 SINGLE OVEN DIMENSIONS
Figure 2-6. MODEL PS520 DOUBLE OVEN DIMENSIONS
Figure 2-7. MODEL PS520 TRIPLE OVEN DIMENSIONS
The Opening Height is Adjustablefrom 2-1/4 inch minimum to 3-3/4inch maximum in 1/2 inchincrements.
1
3 PS520E Parts Manual - 10/26/06
PARTS LIST FOR SERIES PS520 ELECTRIC OVENINSTALLATION KIT
Single and Double Stack OvensP/N 48397
ItemNO. QTY PART NO. DESCRIPTION
1 4 3101908 Leg 4” AD FT2 2 48392 Insulation Bottom Tray3 1 48394 Bottom Tray Weldment4 1 48396 Top cover5 4 51387 Screw MSSLT Thread 8-32 x 1/2, 18-86 1 52358 Installation & Operation Manual - English6 1 59476 Installation & Operation Manual - French
PARTS LIST FOR SERIES PS520 ELECTRIC OVENINSTALLATION KITTriple Stack Ovens
P/N 54593ItemNO. QTY PART NO. DESCRIPTION
1 2 48392 Insulation Bottom Tray2 1 48394 Bottom Tray Weldment3 1 48396 Top cover4 4 51387 Screw MSSLT Thread 8-32 x 1/2, 18-85 4 M3828 Pin, Alignment6 1 52358 Installation & Operation Manual - English6 1 59476 Installation & Operation Manual - French
4PS520E Parts Manual - 10/26/06
PS520-SERIES ELECTRIC OVEN KEY SPARE PARTS KIT
ITEM PART NO. DESCRIPTION QUANTITY1 47321 Kit, Temperature Control On/Off PID (58504) 1
2 51402 Relay, 100A 1
3 58390 Conveyor Drive Motor with 2 pole magnet 1
4 58323 Conveyor Speed control 1
5 33812-5 Thermocouple 3
6 50715 Heater Element, 208V 1
6 51017 Heater Element, 240V 1
6 51958 Heater Element, 380V 1
6 51961 Heater Element, 480V 1
7 57408 Contactor 65 amp 3-pole 1
5 PS520E Parts Manual - 10/26/06
Fron
t Vie
w O
f Ove
nPS520E-SERIES PARTS MANUAL
6PS520E Parts Manual - 10/26/06
Par
ts F
or F
ront
Vie
w O
f Ove
n
ITE
MQ
TYP
AR
T N
O.
DE
SC
RIP
TIO
N
11
4838
2U
pper
LH
End
Plu
g A
ssem
bly,
incl
udes
item
5 e
yebr
ow
21
4838
7Lo
wer
LH
End
Plu
g A
ssem
bly
31
4840
8Lo
wer
RH
End
Plu
g A
ssem
bly
41
4841
2U
pper
RH
End
Plu
g A
ssem
bly,
incl
udes
item
6 e
yebr
ow
51
4837
8E
yebr
ow, U
pper
LH
End
Plu
g A
ssem
bly
61
4841
0E
yebr
ow, U
pper
RH
End
Plu
g A
ssem
bly
74
5139
8E
nd P
lug
Mou
ntin
g B
rack
et A
ssem
bly
.875
”
88
2129
6-00
05S
crew
, Hex
Hea
d, W
SH
HD
12-
14x3
/4 S
S B
SD
96
3645
2N
ut, W
ing-
Pla
stic
1/4
-20
104
3101
908
Leg,
4” A
DJ
FT (N
PS
)
111
4839
5B
otto
m T
ray
Ass
embl
y (in
clud
es in
sula
tion
part
#483
92)
121
4839
6C
over
, Top
134
5138
7S
cr, M
S, S
LT T
HR
D 8
-32x
1/2”
18-
8
141
M10
434
Cor
dset
, 50
Am
p 25
0V, 2
P 3
W 2
08/2
40V
Mod
els
Onl
y
15A
145
739
Nam
epla
te, M
iddl
eby
Mar
shal
l
15B
159
104
Nam
epla
te, N
oble
Rom
an’s
161
4786
1C
over
, Mot
or
174
M38
28A
lignm
ent P
in (T
riple
Sta
ck)
PS520E-SERIES PARTS MANUAL
7 PS520E Parts Manual - 10/26/06
Vie
w O
f Rig
ht H
and
Of E
lect
rica
l Com
part
men
t
NO
T S
HO
WN
- Ite
m 8
RFI
Filt
er
PS520E-SERIES PARTS MANUAL
NO
TE: A
ir sw
itch
was
rem
oved
sta
rting
with
ser
ial #
0358
7030
6 an
d af
ter.
8PS520E Parts Manual - 10/26/06
Par
ts F
or R
ight
Han
d E
lect
rica
l Com
part
men
t
ITE
MQ
TYP
AR
T N
O.
DE
SC
RIP
TIO
N
11
or 2
3381
2-5
Ther
moc
oupl
e, T
ype
“J”
Shi
elde
d 2.
5” x
120
”
21
2802
1-00
47S
witc
h, In
terlo
ck, 1
0A N
O 2
Pol
e
31
5140
2R
elay
, Hea
t Sin
k 10
0A
41
5071
5E
lem
ent,
Hea
ting,
208
V
41
5101
7E
lem
ent,
Hea
ting,
240
V
41
5195
8E
lem
ent,
Hea
ting,
380
V
41
5196
1E
lem
ent,
Hea
ting,
480
V
51
5740
8C
onta
ctor
, 208
/240
V, 6
5A, 5
0/60
Hz
61
300-
3946
Blo
ck-P
ower
Dis
t 3-P
ole
71
M10
434
Cor
dset
, 50
Am
p, 2
50V
, 2P
3W
208
/240
V M
odel
s O
nly
81
4524
4R
FI F
ilter
- C
E O
nly
PS520E-SERIES PARTS MANUAL
9 PS520E Parts Manual - 10/26/06
Rea
r V
iew
Of B
low
er C
ompa
rtm
ent
As
view
ed fr
om th
e re
arbl
ower
mot
or s
pins
CC
W
PS520E-SERIES PARTS MANUAL
10PS520E Parts Manual - 10/26/06
Par
ts F
or R
ear
Vie
w B
low
er C
ompa
rtm
ent
ITE
MQ
TYP
AR
T N
O.
DE
SC
RIP
TIO
N
11
2802
1-00
61S
witc
h, M
omen
tary
-10A
, NO
2 P
ole
22
3092
7B
umpe
r, W
indo
w
31
5139
9Fa
n, C
oolin
g, 2
30V
AC
, 295
CFM
42
5224
4M
otor
, Blo
wer
, CW
, 208
/230
V 5
0/60
Hz
With
Blo
wer
Whe
el
52
5725
8P
late
, Air
Ven
t
64
7007
413
SC
R, S
houl
der
10-3
2x3/
4 18
-8
71
3149
7G
uard
-Coo
ling
Fan
PS520E-SERIES PARTS MANUAL
11 PS520E Parts Manual - 10/26/06
Vie
w o
f Lef
t Han
d E
lect
rica
l Com
part
men
tPS520E-SERIES PARTS MANUAL
12PS520E Parts Manual - 10/26/06
Par
ts F
or L
eft H
and
Ele
ctri
cal C
ompa
rtm
ent
ITE
MQ
TYP
AR
T N
O.
DE
SC
RIP
TIO
N
13
4652
1K
it B
low
er S
witc
h (C
onta
ins
(1) 4
4697
, (1)
446
96)
23
4469
7C
onta
ct B
lock
33
4469
6S
elec
tor S
witc
h
41
5832
3C
onve
yor
Spe
ed c
ontro
l w/D
igita
l Spe
ed D
ispl
ay
51
3750
3D
igita
l Spe
ed C
ontro
l (D
ispl
ay O
nly)
61
4732
1C
ontro
l, C
ombo
4-2
0MA
(58
504)
71
2804
1-00
11C
onta
ctor
, 208
/240
V-2
5A
81
3150
4Tr
ansf
orm
er, 2
30V
(P)/1
20(S
), 20
0VA
- C
onve
yor
91
2802
1-00
47S
witc
h, In
terlo
ck, 1
0A
101
3398
3C
ontro
l, E
lect
ric, H
i-Lim
it, 2
40V
111
5839
0M
otor
, Con
veyo
r Driv
e W
ith 2
-Pol
e M
agne
t
11a
139
002
Mag
net 2
-Pol
e
11b
131
0-00
17A
dhes
ive
11c
158
484
Kit,
2 B
rush
es &
2 C
aps
121
3818
5S
enso
r-C
onve
yor
Pic
k-up
131
3514
5S
witc
h, P
ush-
butto
n, M
olve
no, 2
50V
142
4503
6B
reak
er, C
ircui
t 240
V, 3
A
151
4863
5B
reak
er, C
iruci
t 240
V, 0
.3A
161
or 2
3381
2-5
Ther
moc
oupl
e, T
ype
“j”, S
hiel
ded,
2.5
”x 1
20”
PS520E-SERIES PARTS MANUAL
13 PS520E Parts Manual - 10/26/06
Vie
w o
f Con
veyo
r P
arts
PS520E-SERIES PARTS MANUAL
NO
TE: A
djus
tabl
e co
nvey
or b
elt f
eatu
re w
as a
dded
tose
rial #
0514
7100
6 an
d hi
gher
.
NO
TE: A
djus
tabl
e co
nvey
or b
elt s
how
n
NO
T S
HO
WN
: Com
plet
e C
onve
yor I
tem
#1a
, par
t #59
277
14PS520E Parts Manual - 10/26/06
Par
ts F
or C
onve
yor
ITE
MQ
TYP
AR
T N
O.
DE
SC
RIP
TIO
N
1a1
5927
7C
ompl
ete
Con
veyo
r Ass
embl
y - w
/Adj
ustm
ent F
eatu
re *
1b1
5927
5Fr
ame
Onl
y - C
onve
yor -
Wel
dmen
t
1c1
4847
1Fr
ame
Con
veyo
r (n
o ad
just
men
t)
22
M48
17B
earin
g, R
ulon
31
M48
15S
haft,
Driv
e
4a1
5927
1S
haft,
Idle
r 18-
1/4”
*
4b1
5140
8S
haft,
Idle
r 18-
3/4”
510
M48
18S
proc
ket,
Wire
Bel
t
6a1
5930
7B
elt,
Wire
, Sta
inle
ss S
teel
, 18”
x87-
1/2”
*
6b1
M74
71B
elt,
Wire
Sta
inle
ss S
teel
71
5839
1K
it, M
aste
r Lin
k Fr
ont,
Mid
dle,
Rea
r
101
5556
7A
ssy,
Cha
in H
igh
Spe
ed w
/Mas
ter L
ink
10a
131
0-12
12M
aste
r Lin
k O
nly
111
5521
7S
proc
ket,
chai
n #2
5-20
T-1/
2” C
onve
yor
Sha
ft 25
T
121
4534
9S
proc
ket,
25B
25 w
/5/1
6” B
ore
- Driv
e S
haft
131
5839
0M
otor
, Con
veyo
r Driv
e w
/2 P
ole
Mag
net
13a
139
002
Mag
net 2
-Pol
e
13b
131
0-00
17A
dhes
ive
13c
130
0-27
57C
onve
yor D
rive
Mot
or O
nly
13d
158
484
Kit,
2 B
rush
es &
2 C
aps
141
3818
5S
enso
r-C
onve
yor
Pic
k-up
15A
159
280
Ext
ensi
on, C
onve
yor -
6” *
15B
151
297
Ext
ensi
on, C
onve
yor -
6”
16A
159
272
Ext
ensi
on, C
onve
yor -
12”
*
16B
151
296
Ext
ensi
on, C
onve
yor -
12”
17A
251
409
Pan
, Cru
mb
Ven
ted
- S
hipp
ed A
s S
tand
ard
17B
248
469
Pan
, Sol
id -
Opt
iona
l
182
5927
6S
crew
Adj
ustm
ent *
192
5926
4B
ushi
ng, R
ulon
- Id
ler *
201
5926
7Id
ler G
uide
- B
ack
*
211
5927
0Id
ler G
uide
- Fr
ont *
NO
TE: I
TEM
S 1
A, 4
A, 6
A, 1
5A, 1
6A, 1
8A-2
1A u
sed
on m
odel
s w
ith s
eria
l #05
1471
006
and
high
er
PS520E-SERIES PARTS MANUAL
15 PS520E Parts Manual - 10/26/06
Vie
w o
f Car
t Par
tsPS520E-SERIES PARTS MANUAL
16PS520E Parts Manual - 10/26/06
Par
ts F
or O
ven
Car
t
#522
41#5
4596
Sin
gle/
Dou
ble
Trip
leIT
EM
QTY
QTY
PA
RT
NO
.D
ES
CR
IPTI
ON
11
152
237
Wld
mt,B
ase
Car
t Pan
el P
S52
0
21
152
238
Pan
el, C
over
Car
t PS
520
32
052
240
Wld
mt,
Low
er S
helf
Car
t Pan
el P
S52
0
416
16A
3682
Was
her,
Lock
5/1
6”
516
16B
1001
2N
ut, H
ex 5
/16”
-18
ZP
64
0F7
06A
8805
Was
her,
FLat
Riv
et B
urr 1
/4” N
P
716
16M
0226
Was
her,
Flat
5/1
6”
84
0M
1043
5S
cr, M
S P
H P
AN
HD
1/4
”-20
x 2
-14”
9a4
0M
2585
Leg
18”
Sin
gle
and
Dou
ble
9b0
454
657
Leg
5” -
Trip
le O
nly
10a
22
1568
8C
aste
r w/o
Bra
ke
10b
22
1568
7C
aste
r w/B
rake
114
4M
3828
Pin
- A
lignm
ent
124
0M
7958
Nut
, Nyl
on In
sert
1/4-
20
PS520E-SERIES PARTS MANUAL
17 PS520E Parts Manual - 10/26/06
18PS520E Parts Manual - 10/26/06
Dra
win
g 48
713
Rev
J: W
iring
Dia
gram
, E20
8-24
0V 5
0/60
/1
PS520E-SERIESSCHEMATICS
19 PS520E Parts Manual - 10/26/06
Dra
win
g 52
445
Rev
J: W
iring
Dia
gram
, E38
0-48
0V 5
0/60
/1
PS520E-SERIESSCHEMATICS
20PS520E Parts Manual - 10/26/06
Dra
win
g 52
446
Rev
K: W
iring
Dia
gram
, E23
0-24
0V C
E, 1
Ph
PS520E-SERIESSCHEMATICS
21 PS520E Parts Manual - 10/26/06
Dra
win
g 54
661
Rev
J: W
iring
Dia
gram
, E38
0-40
0V C
E, 1
Ph
PS520E-SERIESSCHEMATICS
22PS520E Parts Manual - 10/26/06
Dra
win
g 58
158
Rev
F: W
iring
Dia
gram
, E38
0-40
0V C
E, 3
Ph
PS520E-SERIESSCHEMATICS
23 PS520E Parts Manual - 10/26/06
WARNINGImproper installation, adjustment, alteration, service or
maintenance can cause property damage, injury or death. Readthe installation, operating and maintenance instructionsthoroughly before installing or servicing this equipment.
NOTICEDuring the warranty period. ALL parts replacement and servicing should be
performed by your Middleby Marshall Authorized Service Agent. Service that isperformed by parties other than your Middleby Marshall Authorized Service Agent
may void your warranty.
NOTICEUsing any parts other than genuine Middleby Marshall factory manufactured parts
relieves the manufacturer of all warranty and liabilities.
NOTICEMiddleby Marshall reserves the right to change specifications at any time.
Middleby is proud to support the Commercial FoodEquipment Service Association (CFESA). We
recognize and applaud CFESA’s ongoing efforts toimprove the quality of technical service in the industry.
Middleby Cooking Systems Group • 1400 Toastmaster Drive • Elgin, IL 60120 • USA • (847) 741-3300 • FAX (847) 741-4406www.middleby.com