Hobart PCN90 ML-43719 User Manual
•
MODEL PCN90 SERIES
ELECTRIC CONVECTION OVENS
CONVECTION
OVENS
peN90 ML-43719
\HOBART}
EXECUTIVE OFFiCES
TROY, OHIO 45374
FORM
16842
Rev.
A (4-90)
- THIS PAGE INTENTIONALLY LEFT BLANK -
Installation, Operation and Care of
PCN90 SERIES ELECTRIC CONVECTION OVENS
SAVE
THESE INSTRUCTIONS
GENERAL
The PCN90 Series electric convection ovens feature Perfect
equipped with a
The Model
The Model PCN902 consists
stack set for mounting one
The Model PCN902
Accessories available include additional racks and a removable stainless steel liner kit.
1/3
PCN901
h.p.
motor.
is a single
of
oven
is
a single PCN90
oven
which is furnished with a set of four
two single PCN90 ovens, a set of four
on
top of the other.
oven
furnished with a storage stand
Touch™
programmable controls. Each oven is
3
25
8"
on
adjustable stainless steel legs.
/4"
adjustable stainless steel legs, and a
four
6"
adjustable stainless steel legs.
INSTALLATION
UNPACKING
Immediately after unpacking, check the oven for possible shipping damage. If the oven is found to
save the packaging material and contact the carrier within
"
Prior to installation, test the electrical service to
be
sure that it agrees with the specifications
INSTALLING SINGLE OVENS
Installing Basic Oven (PCN90)
The basic oven must
other supports restricting air circulation
oven on the stand after uncrating.
Assembling the Legs
1.
Position the oven
2.
Attach the four leg assemblies to the bottom of the oven with the twenty-four bolts and lockwashers.
3.
Reposition the oven by setting it on its legs
be
installed
to
the Oven (PCN901)
on
its back, taking care not to scratch the sides.
on
legs or
be
mounted
on
the bottom will void the warranty. If using the modular stand, set the
in
the installed position.
15
days of delivery.
on
a modular stand. Installations
on
the
oven
on
concrete bases or
be
damaged,
data plate.
HOBART CORPORATION, 1989
©
-3-
FRONT
OF
DEVICE
•
.0.
. .
:0:
~
REAR
Fig.
1 - Installation of basic
for installing open stand, CX286).
BOTTOM
c:::==::J
OF
DEVICE
••
'\
:0:
LOCAnNGSTUDS
oven
on
cabinet - (procedures identical
Assembling Cabinet Base
1.
Screw two
2.
Mount the oven
Assembling
loceuing
I
the
Chimney and Flue Extension
or
Stand (PCN903)
studs (found
on
top of the stand or cabinet (Fig.
in
cabinet base or stand carton) into bottom of oven (Fig.
1).
1).
Remove the oven chimney and flue extension from the rear of the oven (motor compartment) and use the screws
provided to fasten the chimney to the top rear of the oven. NOTE: The flanges
cover.
under the top
Electrical
Connections
Also attach the flue extension.
the chimney are to
be
positioned
on
WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE
PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES.
WARNING: DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A
TO
INDICATE THAT
Assure that the electrical supply agrees with the specifications
Open the door of the wiring compartment cover by pushing the button
of the control panel). Remove the appropriate knock-out
YOU
ARE WORKING
ON
THE CIRCUIT.
on
the oven data plate.
on
on
the bottom of the oven and attach the power supply
THE DISCONNECT
the front of the oven (the lower portion
SWITCH
TAG
AT
conduit to the bottom of the oven.
Comply with the appropriate wiring diagram attached to the
oven
when making connections to the electrical supply
lines.
cover,
Replace the wiring compartment
and energize the power supply.
ELECTRICAL
3 PHASE LOADING
(KW
TOTAL
KW
SINGLE OVEN
I
I,
STACKED OVEN
The 208 & 240 volt ovens covered by this manual are for connection to a 1 or 3 phase power system. Ovens leaving the
factory are wired for connection to a 3 phase power system. Wires can be changed at the installation site for connection
to
a 1 phase power system by altering the wiring
11
22
PER PHASE) 3 PHASE 1 PHASE
208-240V
L1-L2 L2-L3 L1-L3
3.35
3.35
6.70
6.70 8.60 64.0 55.8 64.0 55.4
4.30
at
the terminal block.
DATA
NOMINAL AMPS PER LINE WIRE
208V. 240V.
L1
L2 L3
32.0
27.9
32.0
L2 L3
L1
24.2 27.7 52.8 45.8
27.7
48.4
55.4 105.6
Leveling
Adjust the legs to assure that the oven racks are level in the final installed position.
-4-
208V.
240V.
91.6
INSTALLING DOUBLE OVENS
Assembling Stacked Ovens (PCN902)
1.
Position one oven
four leg assemblies with the twenty-four bolts and lockwashers provided.
2.
Place the lower oven (with legs)
the top cover plus the
3.
Install the two locating studs (included
upper oven.
4.
Remove oven chimneys stored at the rear of both ovens. Discard one chimney. Attach the remaining chimney
to
the top of the upper oven
under the top
5.
Move the oven with legs to the installed position and place the upper oven
the locating studs. Open the doors of the wiring compartment covers
both ovens. Also unfasten the control panel (of the lower
routing the power leads (furnished)
lock nut (also furnished).
6.
Attach the short flue extension over the exhaust vent
tube over the exhaust vent at the rear of the lower oven. These extensions should direct the exhaust fumes
upward through and above the top oven.
7.
Place the 1" conduit nipple through the 1%" hole
oven and clamp the two ovens together with the locknut from the underside.
(See
cover.
on
its back for access to the oven bottom, taking care not
on
Fig.
the floor and remove the two
Pia"
diameter knock-out
1).
(oven
without legs). NOTE: The flanges
at
the right front of the top cover.
in
the leg stack set) into the screw plates
t
oven
to
the top oven,
as
well
at
the rear of the upper oven. Slide the long flue extension
in
the bottom of the top oven and the top of the bottom
7/16"
only) and carefully pull forward. This will facilitate
as
attaching the one-inch conduit nipple and
to
scratch the sides. Attach the
diameter knock-outs
on
the under side of the
on
the chimney are
on
top of the lower oven using
by
pushing the button
on
each side of
to
be
on
positioned
the front of
Electrical
Connections
WARNING: ELECTRICAL AND GROUNDING CONNECTIONS MUST COMPLY WITH THE APPLICABLE
PORTIONS OF THE NATIONAL ELECTRICAL CODE AND/OR OTHER LOCAL ELECTRICAL CODES.
WARNING: DISCONNECT ELECTRICAL POWER SUPPLY AND PLACE A
TO
INDICATE THAT
YOU
ARE WORKING
ON
THE CIRCUIT.
Assure that the electrical power supply agrees with the specifications
on
the wiring diagram
1.
Attach the power leads to the line side of the terminal block of the upper oven. Then carefully route these
leads (furnished
the oven.
as
part of the stack set) down through the conduit nipple and behind the control panel of
TAG
AT
THE DISCONf\IECT
on
the oven data plate and complies with
SWITCH
the lower oven.
2.
Attach these leads to the lower oven terminal block per the wiring diagram.
At
the same time, attach the
power supply conduit to the bottom of the lower oven. Also attach the power supply leads to the line side
,of the terminal block.
3.
Finally, inspect and check all wiring and terminal connections for tightness and proper routing away from
on
any moving parts (relay solenoid core), or pinch points (cover
oven frame). Then carefully replace the
lower oven control panel and wiring compartment covers for both ovens.
ELECTRICAL
3 PHASE LOADING
(KW
PER
TOTAL
KW 208V.
L1·L2 L1-L3
SINGLE OVEN
I
STACKED OVEN
I
The 208 & 240 volt ovens covered by this manual are for connection to a 1 or 3 phase power system. Ovens leaving the
factory are wired for connection to a 3 phase power system. Wires can
to a 1 phase power system by altering the wiring
11
22
3.35 3.35 4.30 32.0 32.0 27.7
6.70 6.70 8.60 64.0 55.8 64.0 55.4 48.4
PHASE) 3 PHASE
208-240V
L2·L3
at
the terminal block.
DATA
NOMINAL AMPS
L1
L2
27.9
be
PER
LINE WIRE
1 PHASE
240V.
L2
L1
L3
24.2 27.7 52.8 45.8
changed at the installation site for connection
208V.
L3
55.4 105.6 91.6
240V.
Leveling
Adjust the legs to assure that the oven racks are level in the final installed position.
-5-
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