HORIZONTAL AIR FLOW
OVEN
MODEL: 05012-20, 05012-30
05012-40
INSTALLATION AND OPERATIONAL MANUAL
COLE-PARMER INSTRUMENT COMPANY_____________________________________________________________________
625 East Bunker Court, Vernon Hills, IL 60061 (847) 549-7600 • FAX (847) 549-7676
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TABLE OF CONTENTS
SECTION 1.0 RECEIVING AND INSPECTION
SECTION 2.0 GRAPHIC SYMBOLS
SECTION 3.0 INSTALLATION
SECTION 4.0 CONTROL OVERVIEW
SECTION 5.0 PRECAUTIONS
SECTION 6.0 CLEAN ROOM READY
INSTRUCTIONS, 05012-30,05012-40
SECTION 7.0 OPERATION
SECTION 8.0 MAINTENANCE
SECTION 9.0 TROUBLESHOOTING
SECTION 10.0 PARTS LIST
UNIT SPECIFICATIONS
SCHEMATICS
REV. 5/99
4861302
These units are for professional, industrial or educational use where the preparation or
testing of materials is done at approximately atmospheric pressure and no flammable,
volatile or combustible materials are being heated. These units are not intended for
hazardous or household locations or use.
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33
RECEIVING AND INSPECTION
Your satisfaction and safety require a complete understanding of this unit. Read
the instructions thoroughly and be sure all operators are given adequate training
before attempting to put the unit in service. NOTE: This equipment must be used
only for its intended application; any alterations or modifications will void your
warranty.
1.1 Inspection: The carrier, when accepting shipment, also accepts responsibility
for safe delivery and is liable for loss or damage. On delivery, inspect for visible
exterior damage, note and describe on the freight bill any damage found, and
enter your claim on the form supplied by the carrier.
1.2 Inspect for concealed loss or damage on the unit itself, both interior and exterior.
If necessary, the carrier will arrange for official inspection to substantiate your
claim.
1.3 Return Shipment: Save the shipping crate until you are sure all is well. If for
any reason you must return the unit, first contact your customer representative
for authorization. Supply nameplate data, including model number and serial
number. Please see the manual cover for information on where to contact
customer service.
1.4 Accessories: Verify that all of the equipment indicated on the packing slip is
included with the unit. Carefully check all packaging before discarding. These
units are equipped with 2 shelves, 8 shelf clips, and 4 leveling feet.
Section
1
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GRAPHIC SYMBOLS
Your oven has been provided with a display of graphic symbols which should
help in identifying the use and function of the available user adjustable
components.
2.1 This symbol indicates that you should consult your
manual for further description or discussion of a
control or user item.
2.2 Indicates ÒAC PowerÓ
2.3 Indicates ÒManual ControlÓ
2.4 Indicates ÒTemperatureÓ
2.5 Indicates ÒOver Temperature SafetyÓ
2.6 Indicates ÒGroundÓ
2.7 Indicates ÒPotential Shock HazardÓ
Section
2
55
55
INSTALLATION
Local city, county or other ordinances may govern the use of this equipment. If you
have any questions about local requirements, please contact the appropriate local
agency. Installation may be performed by the end user.
Under normal circumstances this unit is intended for use indoors, at room temperatures
between 5° and 40°C, at no greater than 80% Relative Humidity (at 25°C) and with a
supply voltage that does not vary by more than 10%. Customer service should be
contacted for operating conditions outside of these limits.
3.1 Power Source: The electrical supply circuit to the incubator must conform to all
national and local electrical codes. Consult the incubatorÕs serial data plate for
the voltage and ampere requirements before making connection. VOLTAGE
SHOULD NOT VARY MORE THAN 10% FROM THE DATA PLATE RATING.
This unit is intended for 50/60 Hz application. A separate circuit is recommended
to prevent possible loss of product due to overloading or failure of other
equipment on the same circuit. For installation of the units, the cord must be
plugged directly into a grounded outlet, without the use of an extension cord.
3. 2Lo ca tio n: In sele cting a locat ion , con sid er all cond it ion s which mig ht ef fect
pe rf orm ance, su ch as he at fr om rad ia tor s, ovens, a ut oclave s, et c. Avoid d ir ect su n,
fa st mo vin g air cu rr ent s, he ating/ co oling du cts an d hig h-t ra ffic are as. Allow a
minimum of 5cm bet we en the unit an d walls or pa rtitions wh ich migh t obstru ct fr ee
air flo w.
3.3 L if ti ng / Ha n dl in g: T he se un it s are hea vy an d car e sho uld be ta ken to use
a pp ro pr iat e lif ting de vices tha t are su ff icien tly rat ed fo r t he se lo ad s. Units sh ou ld
o nly be lift e d fr om th eir bot to m sur f aces. Do or s, ha nd les an d kn ob s are no t
a de qu at e for lift in g or sta bilizat io n . Th e unit sho uld be co m plet ely rest ra in ed fr om
t ip ping du rin g lift ing or tra nsp or t. All mo ving pa rt s, su ch as she lve s and tra ys
sho uld be re m oved an d do o rs nee d to be po sit ively locke d in the clo sed po sition
d ur in g tra nsf er t o pre ve n t sh if t in g and d am a ge .
3 .4 L ev el in g : T he unit must sit le ve l and solidly. Leveling fe et are su pp lie d an d must
b e in st a lled in the fo ur ho le s in th e bot to m cor n er s of th e unit. Wit h the fee t
insta lle d an d the un it st an ding up rig ht , ea ch fo o t ca n be ra ise d by tu rn ing it in a
cou nt er clo ckwise dir ectio n. Ad just the foo t at each co r ne r unt il th e un it st an d s
level an d so lid wit h ou t rocking . If th e un it mu st be mo ve d, tu rn th e le velin g fee t all
t he way clockwise t o p re ven t da m ag e while m o ving .
Section
3
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3 .5 Adj us tme n ts : Whe n re m ovin g int er ior it em s fo r cle a ning or any ot he r rea so n ,
n ot e th a t yo u must, first rem ove the line r bot to m inser t bef o re rem o ving line r sid e
inser ts. Th is re qu ire s a 8 /3 2 nut d r iver t o r em o ve t he ca p nut s.
3.6 Cle an in g : The un it ch am be r sho uld be cle an ed an d disin fe cte d pr ior to use .
Rem ove all of the in te rio r pa rt s, if asse mb led , and cle a n th o ro ug hly, in clu ding all
cor ne rs usin g a suit ab le disinf e ct an t tha t is ap p ro pr ia t e to yo ur ap plica tion .
Reg ular pe rio dic cle an in g is re q uire d . Spe cia l car e sh o uld be ta ke n whe n cle an ing
a ro un d sen sin g he ad s to pre ve nt da ma g e. DO NOT USE chlorine-based
bleaches or abrasive cleaners as this will damage the stainless steel interior. DO
NOT USE spray cleaners that might leak through openings and cracks and get
on electrical parts or that may contain solvents that will harm the coatings. F or
M od els 050 12 - 30 a nd 05 01 2 -4 0 se e Sectio n 6 fo r f ur t he r in str uct io n.
Warning: Never clean the unit with alcohol or flammable cleaners with the unit
connected to the electrical supply. Always disconnect the unit from the electrical
service when cleaning and assure all volatile or flammable cleaners are
evaporated and dry before reattaching the unit to the power supply.
3 .7 Pla ce sh elve s in th e cha m be r as de sir ed .
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CONTROL PANEL OVERVIEW
4.1 Power Switch: The main power I/O (on/off) switch controls all power to the unit
and must be in the I/ON position before any systems are operational.
4.2 High Limit Thermostat: This control is marked HIGH LIMIT and is equipped
with an adjustable knob and a graduated dial from 0-10. It is independent of the
Main Controller and guards against any failure which would allow the
temperature to rise past the Main Controllers set point. This allows continued
operation of the oven until the problem can be corrected or service can be
arranged. It is not recommended that the unit be operated for extended periods
of time using only the Overtemperature Safety as the controller as temperature
uniformity will suffer.
4.3 High Limit Activated: This pilot lamp will come on when the High Limit
Thermostat is activated and taken control of the heating element. Under normal
operating conditions this pilot lamp should never be on.
4.4 Main Temperature Controller: This is a microprocessor based temperature /
Time Control with ramp and soak capabilities ( Watlow model 981 ).
4.5 Fuse: Located at the back of the unit next to the power cord, the fuse provides
protection for the units electrical circuitry against power fluctuations. When
blown, the fuses must be replaced before the unit can continue operation.
4.6 Power Exhaust Outlet: Located at the back of the unit next to the power cord,
for easy installation of a power exhaust accessory. The 05012-30 does not come
equipped with this feature.
Figure One
Section
4
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PRECAUTIONS
5.1 This unit has been designed with vents from the chamber. In order to work
effectively and safely, some precautions will need to be taken by the operator.
a. In most applications, the exhaust damper will need to be open during
drying or degassing for best results.
b. THIS OVEN IS NOT DESIGNED TO HANDLE COMBUSTIBLE GASSES,
AND IS NOT AN EXPLOSION PROOF OVEN. DO NOT PLACE
EXPLOSIVE, COMBUSTIBLE OR FLAMMABLE MATERIALS INTO THE
CHAMBER.
c. Some of the out gassed byproducts may be hazardous or unpleasant to
operating personnel. If this is the case, the exhaust should be positively
ventilated to the outside and dealt with according to local regulations.
Contact your dealer about power exhausts.
5.2 Do not operate near noxious fumes.
5.3 Do not place sealed or filled containers in the oven chamber.
5.4 Do not cut or remove the ground prong from the power cord.
5.5 Do not use a 2-prong adapter plug.
5.6 Be sure that the power supply is as the same voltage as specified.
5.7 Disconnect the unit from its electrical source before proceeding to make any
electrical repairs or replacement.
5.8 If a mercury thermometer is used and breakage should occur, all spilled mercury
MUST be completely removed from the chamber before continuing operation.
5.9 This oven is NOT designed for the use in Class I, II, or III locations as defined by
the National electric Code.
5.10 This oven is not intended, nor can it be used, as a patient connected device.
Section
5
99
99
CLEAN ROOM READY INSTRUCTIONS
The 05012-30 and 05012-40 have been designed to operate at class 100 standards. It
is not shipped clean room ready and the instructions below must be followed for proper
installation. See Figures Two and Three.
6.1 BURN-IN OF THE HEPA FILTER
Before using this oven, it is important that the filter be Òburnt-inÓ properly. During
burn-in, the Hepa filter will off gas. Because of this, the intake and exhaust port
must be open with the exhaust port being ducted outside. A material safety data
sheet is included with your operation literature for reference.
A. To burn in filter:
1. Set oven at: 175°C for 1 hour;
220°C for 4 hours;
225°C for 1 hour;
250°c for 1 hour.
2. If operating temperature is higher than 250°C, continue the cycle of
one (1) hour at 25° increments until the operating temperature is
achieved.
B. After burn-in, the interior must be disassembled and cleaned. Make sure
unit is unplugged before disassembly. This requires an 8/32 nut driver to
remove the cap nuts. Remove the bottom liner insert before removing the
liner side inserts.
6.2 CONTROL AREA EXHAUST
As part of this design the control compartment is sealed and requires a minimum
of 30 C.F.M. (Cubic Feet Per Minute) to be drawn from the control compartment
exhaust port. This is required to limit control compartment temperature and
maintain Class 100 integrity. If you are unable to exhaust the minimum 30
C.F.M. from the control compartment, then you must limit the maximum operating
temperature to 280°C. Operation of the unit above 280°C, without required 30
C.F.M. control compartment exhaust will result in control degradation and
Section
6
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00
process failure. Not supplying the required 30 C.F.M. may also keep the unit
from operating at class 100 specifications by allowing particulars from the control
compartment to escape into the room.
Figure Two
05012-40 Intake/Exhaust
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Figure 3
05012-30 Intake/Exhaust
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OPERATION
7.1 Power Supply: As mentioned is Section 3.1, be certain the power source
matches the requirements listed on the data plate.
7.2 Turn the power switch to the I/ON position and turn the High Limit Thermostat to
its maximum position, clockwise. This allows the setting of the Main
Temperature without interference of the High Limit..
7.3 Set Main Temperature Controller: This is explained in full detail in the enclosed
Watlow 982 users manual. A simplified 981 instruction sheet is included with the
manual for your convenience. Please refer to the users manual and instruction
sheet for operation and maintenance details.
7.4 Set High Limit Thermostat: Prior to setting the High Limit Control be certain the
Main Temperature Control has reached the input set point and has remained
stable for several hours. This will insure that the High Limit is set at the proper
temperature. As mentioned in step 7.2, the High Limit should be at maximum
position. Now turn the Thermostat counterclockwise until the High Limit
Activated indicator light comes on. Next, turn the Thermostat clockwise just until
the light turns off. Then turn the Thermostat two (2) of the smallest divisions on
its scale past the point where the indicator light went out. The High Limit should
now be set approximately 10° higher than the Main Temperature Controller.
Please note that the High Limit is a safety feature only. If the unit is allowed to
operate using only the High Limit Thermostat, the temperature stability will suffer.
7.5 Power Exhaust Outlet: The power exhaust outlet is controlled by the Main
temperature Controller. This is described in paragraphs 2 and 3 on the back
page of the 981 simplified instructions and in the Watlow 982 users Manual. The
05012-30 does not come equipped with this feature.
Section
7
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MAINTENANCE
Note: Disconnect the power cord from the power source before performing any
service or maintenance on this unit.
8.1 Cleaning: Clean the oven interior and remove and clean shelves on a regular
basis. Use a disinfectant that is suitable for your application. DO NOT USE
chlorine based bleaches or abrasive cleaners as this will damage the stainless
steel interior. DO NOT USE spray cleaners that might leak through openings and
cracks and get on electrical parts or that may contain solvents that will harm the
coatings.
Warning: Never clean the unit with alcohol or flammable cleaners with the unit
connected to the electrical supply. Always disconnect the unit from the electrical
service when cleaning and assure all volatile or flammable cleaners are
evaporated and dry before reattaching the unit to the power supply.
8.2 Use care when cleaning the door gasket to prevent damage which could impair
the positive door seal.
8.3 Storage: To prepare the unit for storage, remove all shelves and shelf clips. Be
certain that the door is positively locked in the closed position. See Section 3.3,
Lifting/Handling, for proper transport procedures.
8.4 No maintenance is required on the electrical components. If the unit fails to
operate as specified, please see the Troubleshooting guide, Section 9.0 before
calling for service.
Section
8
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TROUBLESHOOTING & SERVICE
FOR PERSONAL SAFETY, ALWAYS DISCONNECT THE POWER BEFORE
SERVICING. If the unit fails to operate as specified, review the following
troubleshooting suggestions prior to calling customer service.
TEMPERATURE
Temp-
1
Temperature too high
1/ controller set too high-see your Watlow users
manual
2/ controller failed on Ð call Customer Service
3/ wiring error Ð call Customer Service
Temp-
2
Chamber temp spikes
over set point and
then settles to set
point
Recalibrate Ð see Watlow users manual
Temp-
3
Temperature too low
1/ high limit set too low Ð see section 7.4
2/ controller set too low Ð see Watlow users manual
3/ unit not recovered from door opening Ð wait for
display to stop changing
4/ unit not recovered from power failure or being
turned off Ð ovens will need several hours to warm up
and stabilize
5/ element failure Ð call Customer Service
6/ controller failure Ð confirm with front panel lights
that controller is calling for heat
7/ high limit failure Ð confirm with front panel lights
that High Limit is operating correctly
8/ wiring problem Ð check all functions and compare
wiring to owners manual - especially around any areas
recently worked on
9/ loose connection Ð check shadow box for loose
connections
Section
9
11
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55
55
Temp-
4
Unit will not heat over
a temperature that is
below set point
1/ confirm that blower motor is moving and that
amperage and voltage match data plate Ð check blower
motor motion in shadow box and feel for air movement
in chamber
2/ confirm that set point is set high enough Ðturn High
Limitcounter clockwise and see if High Limit light
comes on
3/ check connections to sensor
4/ check calibration Ð using independent reference
thermometer, follow instructions in Watlow users
manual
Temp-
5
Unit will not heat up at
all
1/check amperage Ð amperage should be virtually at
maximum rated (data plate) amperage
2/ do all controller functions work?
3/ is the High Limit set high enough? Ð for diagnostics,
should be fully clockwise with the pilot light never on
4/ has the fuse/circuit breaker blown?
Temp-
6
Indicated chamber
temperature unstable
1/ ±0.1 may be normal
2/ is blower motor working? Ð remove top panel and
verify movement of blower motor in shadow box
3/ is ambient room temperature radically changing Ð
either door opening or room airflow from heaters or air
conditioning ? Ð stabilize ambient conditions
4/ it may happen if exhaust stack is 100% open or if
power exhaust is cycling Ð adjust stack to at least _
closed
5/ sensor miss-located, damaged or wires may be
damaged - check mounts for control and High Limit
sensors, then trace wires between sensors and
controls
6/ calibration sensitivity Ð call Customer Service
7/ high limit set too low Ð be sure that high limit is
more than 5 degrees over desired set point; check if
high limit pilot is on continuously; turn controller knob
completely clockwise to see if problem solved then
follow instructions in section 7.4 for correct setting
8/ electrical noise Ð remove nearby sources of RFI
including motors, arcing relays or radio transmitters
9/ bad connection on temperature sensor or faulty
sensor Ð check connectors for continuity and
mechanical soundness while watching display for
erratic behavior; check sensor and wiring for
mechanical damage
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10/ bad connections or faulty solid state relay Ð check
connectors for mechanical soundness and look for
corrosion around terminals or signs of arcing or other
visible deterioration
Temp-
7
Will not maintain set
point
1/ ASSURE THAT SET POINT IS AT LEAST 5
DEGREES OVER AMBIENT ROOM TEMPERATURE
2/ see if ambient is fluctuating
Temp-
8
Display and actual
reference thermometer
donÕt match
1/ calibration error Ð see Watlow users manual
2/ temperature sensor failure Ð call Customer Service
3/ controller failure Ð call Customer Service
4/ allow at least two hours to stabilize
5/ verify that reference thermometer is certified
Temp-
9
Can't adjust set points
or calibration
1/ turn entire unit off and on to reset
2/ if repeatedly happens, call Customer Service
Temp-
10
Calibrated at one
temperature, but not at
another
This can be a normal condition when operating
temperature varies widely. For maximum accuracy,
calibration should be done at or as close to the set
point temperature.
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MECHANICAL
Mech-1 Door not sealing
1/ check physical condition of gasket
2/ assure that gasket is in original location
Mech-2 Motor doesn't move
1/ if shaft spins freely: check connections to motor
and check voltage to motor;
2/ if shaft rubs or is frozen, relieve binding and retest
Mech-3 Motor makes noise
1/ If noise is from the motor, tap the top of motor shaft
with ball peen hammer.
2/ If the sound gets worse, tap the other end of the
shaft Ð avoiding touching the blower wheel.
3/ If there is no change, call Customer Service.
OTHER
Other-1 Controller on at all
times - "locked-up"
1/ turn unit off and on to reset
2/ if cannot change any condition on the front panel,
call Customer Service
Other-2 Controller timer resets
on its own
1/ confirm that power from wall is consistent and
within specs
2/ call Customer Service with serial number
Other-3 Front panel displays
are off
1/ Check for wire damage.
Other-4 Unit or wall
fuse/circuit breaker is
blown
1/ check wall power source
2/ compare current draw and compare to specs on
data plate
3/ see what other loads are on the wall circuit
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Other-5 Unit will not turn on
1/ check wall power source
2/ check fuse/circuit breaker on unit or in wall
3/ see if unit is on, e.g., fan or heater, and just
controller is off
4/ check all wiring connections, esp. around the on/off
switch
Other-6 Unit is smoking Ðout
of box
1/Put unit under vent and run at full power for one
hour.
2/Models 1601 and 1605 follow special burn in
procedures in section 6.0
Other
Ð7
Contamination in
chamber
1/ see cleaning procedure in operatorÕs manual
2/ develop and follow SOP for specific application;
include definition of cleaning technique and
maintenance schedule
Other-8 Contamination in
sample
1/ see ÒContamination in chamberÓ
2/ reduce air flow in chamber by dampening down inlet
restrictor; be sure to verify adequate temperature
uniformity at the reduced air flow
3/ protect open samples from areas of maximum air
current, e.g., inlet air ducts
.
If this product should require service, contact your service representative. For
information on where to reach customer service please see the front cover of this
manual. Should return of the product be necessary, a return authorization number must
be obtained and the product shipped, per instructions, to the indicated service center. If
a return authorization number is not obtained the product will be returned back to the
sender the same day it is received. To insure prompt handling, the return authorization
number should be placed on the outside of the package and a detailed explanation of
the return enclosed with the item.
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PARTS LIST
Description Part #
Adjustable Feet 200129
Blower Motor 4880512
Control Relay 102162
Convenience Outlet 101483
Cooling Fan 210001
EMI Filter - CE Complied Models 2800503
Fuse, 20 Amp ABC 101341
Heating Element Ð 05012-20, 05012-40 120073
Heating Element Ð 05012-30 200114
Hepa Filter Assembly Ð 05012-30 X1000577
Hepa Filter Assembly Ð 05012-40 9990503
High Limit Controller 1750571
High Limit Indicator Pilot Lamp 200020
On/Off Switch 103351
Power Cord 1800509
Power Relay 100064
Shelf Clips 200137
Temperature Probe 101827
Watlow 981 Main Temp. Controller 1750540
Section
1
0
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UNIT SPECIFICATIONS
Weight Shipping Net
05012-20 315 179
05012-30
Call Customer
Service
135
05012-40 315 179
Dimensions
Exterior
WxDxH (in.)
Interior
WxDxH (in.)
05012-20 32X30.5X36.5 20X19X19
05012-30 28.5X25.5X29.25 16.5X13.75X15
05012-40 32X30.5X36.5 17X19X19
Capacity Cubic Feet
05012-20 4.17
05012-30 1.96
05012-40 3.55
Temperature Range Sensitivity
05012-20
Amb. +5-200°C
Max 350°C
0.1
05012-30
Amb. +5-200°C
Max 350°C
0.1
05012-40
Amb. +5-200°C
Max 350°C
0.1
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Cole Parmer 05012-40 Installation And Operational Manual
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