Cole Parmer Stable Temp 282A User manual

Stable Temp®Model 282A
Vacuum Oven
105714 • 7006281 Rev. 4

Cole-Parmer
MANUAL NUMBER 105714 (7006281)
4 ECNM-000078 8/02/18 Included correct vacuum in the temperature uniformity specification on page 2-1 TFI
3 28670 6/13/12 Update factory set heater runaway safety setting to 325°C, ±12° on pg 4-4 ccs
2 26741/SI-10360 11/9/10 Updated TCCB to comply with in-house test procedure QT049 (pg 6-13) ccs
1 26565/SI-10360 11/1/10 Repl readout thermocouple w/ 255036 ccs
0 -- 3/31/10 Transfer to Marietta (was 105714 2/6/09) ccs
REV ECR/ECN DATE DESCRIPTION By
Preface
Vacuum Oven i
Models covered in this manual
Catalog number Model number Voltage
05017-10 6281 115V
05017-15 6282 230V

Cole-Parmerii Vacuum Oven
Preface
Contains Parts and Assemblies
Susceptible to Damage by
Electrostatic Discharge (ESD)
CAUTION
Important Read this instruction manual. Failure to read, understand and follow the instructions in this manual
may result in damage to the unit, injury to operating personnel, and poor equipment performance. s
Caution All internal adjustments and maintenance must be performed by qualified service personnel. s
Material in this manual is for information purposes only. The contents and the product it describes are subject
to change without notice. Cole-Parmer makes no representations or warranties with respect to this manual. In no
event shall Cole-Parmer be held liable for any damages, direct or incidental, arising out of or related to the use of
this manual.
©2018 Cole-Parmer. All rights reserved.

Cole-Parmer Vacuum Oven iii
Preface
Important operating and/or maintenance instructions. Read the accompanying text carefully.
Potential electrical hazards. Only qualified persons should perform procedures associated with this
symbol.
quipment being maintained or serviced must be turned off and locked off to prevent possible injury.
Hot surface(s) present which may cause burns to unprotected skin, or to materials which may be
damaged by elevated temperatures.
Marking of electrical and electronic equipment, which applies to electrical and electronic equipment
falling under the Directive 2012/19/ U (W ) and the equipment that has been put on the market
after 13 August 2005.
This product is required to comply with the uropean Union’s Waste lectrical & lectronic
quipment (W ) Directive 2012/19/ U. It is marked with the W symbol. Cole-Parmer has
contracted with one or more recycling/disposal companies in each U Member State uropean
Country, and this product should be disposed of or recycled through them. Further information on
Cole-Parmer’s compliance with this directive, the recyclers in your country and information on
Cole-Parmer products will be available at www.coleparmer.com.
4Always use the proper protective equipment (clothing, gloves, goggles, etc.)
4Always dissipate extreme cold or heat and wear protective clothing.
4Always follow good hygiene practices.
4ach individual is responsible for his or her own safety.

Cole-Parmeriv Vacuum Oven
Preface
Do You Need Information or Assistance
on Cole-Parmer Equipment?
The Cole-Parmer Instruments Sales Group can provide information on pricing and give you
quotations. We can take your order and provide delivery information on major equipment items or
make arrangements to have your local sales representative contact you.
1-800-323-4340 Cole-Parmer, Toll Free, US
Cole-Parmer Instruments Product Service Support can supply technical information about
proper setup, operation or troubleshooting of your equipment. We can fill your needs for
replacement parts or provide you with on-site service. We can also provide you with a quotation on
our Extended Maintenance Program for our products.
Whatever products you need or use, we will be happy to discuss your applications. If you are
experiencing technical problems, working together, we will help you locate the problem and, chances
are, correct it yourself...over the telephone without a service call.
When more extensive service is necessary, we will assist you with direct factory trained
technicians or a qualified service organization for on-the-spot repair. If your service need is covered
by the Cole-Parmer Instruments Products warranty, we will arrange for the unit to be repaired at our
expense and to your satisfaction.
Regardless of your needs, professional service technicians are available by telephone to assist
you concerning our products Monday through Friday from 8:00 a.m. to 6:00 p.m. Eastern Time.
Please call or fax us at:
1-800-323-4340 Toll Free U.S. and Canada
1-847-549-7600 Direct
1-847-549-7676 Fax
International customers, please contact your local Cole-Parmer Instruments distributor.

Vacuum Oven vCole-Parmer
Table of Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1
Performance and Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Control, Indicators and Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1
Self-Diagnostic Safety Monitors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
Installation and Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Site Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Main Controller Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-2
stablishing Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . .6-3
Auxiliary Pump Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-4
Setting the Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-5
Operation in a Static nvironment . . . . . . . . . . . . . . . . . . . . . . . . .6-6
Operation in a Controlled nvironment . . . . . . . . . . . . . . . . . . . . .6-6
Operation in a Vacuum nvironment . . . . . . . . . . . . . . . . . . . . . . .6-6
Setting the Time and Day . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
Temperature/Pressure Offsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7
Programming the Oven . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-8
Program xecution - nabling/Disabling . . . . . . . . . . . . . . . . . . . .6-9
Calibration Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-10
Calibration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-11
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
Seal Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
Door Alignment Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-3
Electrical Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-1
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Section 8
Section 7
Section 9

Vacuum Oven 1-1Cole-Parmer
Section 1 Introduction
Before operation, always observe the following safety precautions:
• This unit is not explosion proof.
• Do not use in the presence of flammable or combustible materials; fire
or explosion may result. Unit contains components that may ignite
such materials.
• Do not place volatile items in the chamber.
• Fumes and spillage from acidic solutions cause corrosion of the
stainless steel chamber.
• Care should be taken to maintain neutral pH at all times.

Vacuum Oven 2-1Cole-Parmer
Section 2 Performance and Physical
Data
Temperature
Temperature Range . . . . Ambient to 280°C, continuously adjustable
with 1°C resolution
Heat Rise Time Ambient to 100°C in <30 minutes,
. . . . . . . . . . . . . . . . . . . .with temp set to 200°C
Average Set-Point Accuracy . . . . . . . . . . . . . . .±2°C
Cool-Down Time . . . .280 to 100°C in ~2.5 hours
Temperature Set-Point Reproducibility . . . .±0.1°C
Temperature Control Band . . . . . . . . . . . . .±0.2°C
Long-Term (12 hours) Temp. Stability . . .±0.03°C
Temperature Display . . . . . 3 digit L D display to nearest to
nearest 1°C
Average Temperature Uniformity . . . . ±5°C at 25” Hg below
atmosphere, ≥5”Hg vacuum on the oven's display, based upon
measuring points at the geometric center and each corner of oven
chamber at 100°C in compliance with DIN 12880 2007-05.
Vacuum
Average Leak Rate . . . . . . . . .< 1”Hg per 24 hours
Vacuum Display Accuracy . . . Average error 0.2 inch Hg between
ambient and complete vacuum
Atmosphere Control . . . . Use with non-corrosive, non-flammable gases
such as nitrogen and CO2
nvironmental
Operating Temperature . . . . . . . . . .60°F to 100°F
Storage Temperature . . . . . . . . . . . . .32°F to 120°F
Humidity . . . . . . 20 to 80% relative humidity, non-condensing

2-2 Vacuum Oven Cole-Parmer
Section 2
Performance and Physical Data
Recorder Outputs
Temperature, Pins P3-1, P3-2 . . . . . . . .10 mv / °C
Chamber Pressure, Pins P3-3, P3-4 100 mv / in Hg
Connector Type: . . . . . . . . . . . . . .AMP 640456-4
Physical Characteristics
xternal Dimensions . . . . . .26”W x 23”D x 22”H
Chamber Size . . . . . . . . . . . .12”W x 18”D x 12”H
Chamber Volume . . . . . . . . . . . . . . . . . . .1.5 cu ft

Vacuum Oven 3-1Cole-Parmer
Section 3 Unpacking
Refer to the packing list below and be certain that all listed items are
present. If any are missing, notify Cole-Parmer. Also, be certain to
complete and return the included warranty card.
Note If any shipping damage has occurred, retain the unit intact, including
all packing materials, and file claim with the final carrier promptly.
Usually, the firm will send an investigator to ascertain liability. s
Unpacking Checklist
ty Description
1 Oven
2 Shelves (shipped in chamber)
2 Hose Connectors
1 Instruction Manual
1 Warranty Card

Vacuum Oven 4-1Cole-Parmer
Section 4 Control, Indicators and
Connectors
Before putting the Oven into operation, the user should become
thoroughly familiar with the location and function of all controls,
indicators, and connectors. Most are clearly labeled and located on or
below the front panel, with the exception of the two (PURG and
VACUUM) hose connectors, which are located on the lower right side of
the oven. A set of vacuum pump auxiliary contacts and the
temperature/vacuum recorder output connectors are located on the rear
side of the control board. See Auxiliary Pump Contacts for instructions on
accessing these connectors.
The control panel consists of two 14-segment alphanumeric displays, six
indicator L Ds, four keypads, and an ON/OFF toggle. The VACUUM
and PURG valves are located just beneath the control panel. The list
below gives a more detailed explanation of each.
Day/Time Display
A four character alphanumeric readout that alternately displays the day
of the week and time of day in 5-second intervals.
Temp/Vacuum Display
A four character alphanumeric readout that alternately displays the
temperature (°C) and chamber pressure (in Hg) in 5-second intervals.

4-2 Vacuum Oven Cole-Parmer
Section 4
Controls, Indicators and Connectors
L D Indicators
AM: Indicates first 12-hour time is being displayed/programmed in the
upper display window. Flashes when in Calibration mode.
°C: Indicates chamber temperature (°C) is being
displayed/programmed in the lower display window.
in Hg: Indicates chamber absolute pressure is being displayed in the
lower display window. Also illuminated during vacuum pump
program step.
Heater: Indicates heater activation.
Pump: Indicates closed vacuum pump contact condition.
Program: Indicates 7-day program setup or operation.
Keypads
Menu: Allows operator to cycle through main menu and calibration
menu.
Set: Selects one of six main menu parameters and one of five
calibration menu parameters.
Increase: Increments values to be selected for each parameter.
Decrease: Decrements values to be selected for each parameter.
Connectors and Valves
Power Switch: A rocker type switch that controls all power to the
Vacuum Oven.
Vacuum Control Valve: A forged body, shut-off valve used to open
and close the connection to an auxiliary vacuum pump. Valve port
accepts a supplied serrated fitting to ease in connecting a 1/4-inch
(Inside diameter) hose.
Purge Control Valve
A forged body, shut-off valve used to open and close the connection to
an auxiliary gas source. Valve port accepts a supplied serrated fitting for
ease in connecting a 1/4-inch (inside diameter) hose.

Vacuum Oven 4-3Cole-Parmer
Section 4
Controls, Indicators, and Connectors
Vacuum Inlet Port: A serrated hose fitting used to connect an auxiliary
vacuum pump to the oven. Fitting accepts a 1/4-inch (inside diameter)
hose.
Purge Inlet Port: A serrated hose fitting used to connect an auxiliary gas
source to the vacuum oven. Fitting accepts a 1/4-inch (inside diameter)
hose.
Vacuum Pump Auxiliary Contacts: Normally open contacts located at the
bottom of the rear side of the control board (Tabs 3 & 4). The contacts
close when either the pump is manually activated at the keypad, or by
running a program step that calls for pump activation.
Temperature and Vacuum Recorder Outputs: Four pins located on the
top, right of the rear side of the control board (P3) which provide
a voltage readout corresponding to chamber temperature and/or
pressure.
Calibration Jumper Pin (JP4): Group of four pins located in the center of
the rear of the control board. The lower two pins when jumped enable
calibration mode. See illustration below for control board rear view.
Battery module
Calibration umper P4
(shown in Calibration mode)
Recorder
outputs - P3

A group of six messages alert the operator to heater and control
malfunctions. The OTC (open thermocouple) and OVR (over temp)
errors alternately display in the T MP/VACUUM display. The PWRF
(power failure), BATT LOW (low battery) and CRC (calibration data
corruption) are displayed in the DAY/TIM display window. All messages
and their meanings are as follows:
OTC (Open Thermocouple): The T MP/VACUUM display alternates
between OTC and current chamber pressure at 5 second intervals, where
OTC replaces the normal process temperature display field. The heaters
and vacuum pump (if connected to auxiliary contacts) are forced OFF.
Program execution is halted.
OVR (Over Temperature): Activates if oven temperature exceeds
the setpoint +20°C.
PWRF (Power Failure): Power failure only detected during program mode.
The failure must be longer than 2 minutes. Time display alternates
between PWRF, HH:MM and DAY(n) at 5 second intervals.
BATT LOW (Low Battery): Indicates it is time to replace the 6-year
battery module. Module is in a socket on the back of the control board.
See control board illustration on previous page.
CRC (Calibration Data Corrupted): Indicates an error in the stored
calibration data. The heater and pump relay are forced off. Unit must be
calibrated to clear.
Run Away Heater Safety: In the event the heater triac or control
malfunctions and results in a run-away heater, a secondary thermostat is
in place that will automatically pick up control of the heaters at
approximately 325°C. If the set point is above 270°C and the display is
indicating a chamber temperature of 325°C (±12°C), this will be an
indication the secondary thermostat has taken over control of the oven.
If the set point is at 270°C or below, the temperature display will show
OVR at every other temperature display update. In either case, Technical
Services should be contacted to check the heater circuit.
4-4 Vacuum Oven Cole-Parmer
Section 4
Controls, Indicators and Connectors
Self-Diagnostic
Safety Monitors

Vacuum Oven 5-1Cole-Parmer
Section 5 Installation and Assembly
The oven is shipped assembled and ready for operation. However, before
installing the oven, the operating site should be prepared to meet necessary
requirements. Additionally, a few assembly procedures must be performed
before the oven can be safely and properly operated.
The standard plug configurations are shown in the illustration below. The
115VAC model is supplied with a 20 amp plug (N MA 5-20P). The
230VAC model is supplied with a 15 amp plug (N MA 6-15P). Verify
that the appropriate receptacle is at the location the oven will be used.
Warning To avoid the risk of electrical shock, verify that the source plug is
properly grounded. s
The supporting bench or table must be capable of holding in excess of
200 pounds. The bench should be sufficient to accommodate sample-
handling processes. The oven itself is 26-inches wide and 23-inches deep;
therefore, the bench surface should be approximately 48-inches wide and
30-inches deep to allow for ventilation clearance at the rear of the oven.
Warning To avoid the risk of fire, provide 6 inches of clearance for the
top, back and sides of the oven. Do not set or lean any objects against or
on top of the oven while hot. s
For installations that may use a tank atmosphere, check that site facilities
and tank equipment are in compliance with OSHA requirements for
handling compressed gas. Responsible personnel must also be thoroughly
knowledgeable in the use, storage, and handling of compressed gases.
Site Requirements
5-20P 6-15P

5-2 Vacuum Oven Cole-Parmer
Section 5
Installation and Assembly
When using a tank atmosphere, a 1/4”tube to 1/4”pipe adapter is
required for the regulator outlet of the tank. This adapter is not supplied.
A Swagelok B-400-7-4 adapter, or equivalent, may be used. Also, 9/16”,
and 1-1/8”open-end or, preferably, flare-nut wrenches are required.
After verifying all site and safety requirements, the following steps should
be completed to prepare the vacuum oven for operation:
1. Verify that all-packing items and securing materials have been removed
from the oven.
2. Move the oven to the desired location as specified above.
3. Locate the two serrated hose fittings, packed in the INSTRUCTIONS
envelope accompanying each oven.
4. Install the hose fittings on the VACUUM and PURG ports located
on the lower right-side panel. Hose fittings should be installed by
turning the fitting nut clockwise until finger-tight then, using a 9/16”
wrench, turn the nut an additional 1/4-turn while holding the fitting
stationary with a 3/8”wrench.
5. Close both the PURG and VACUUM valves by turning the control
knob clockwise as far as possible.
6. Connect a vacuum pumping system, including a suitable trap, to the
serrated fitting labeled VACUUM. Use 1/4-inch I.D. heavy-walled
vacuum tubing and secure the connection with a hose clamp.
7. If desired, connect a purge gas supply to the serrated fitting labeled
PURG using a suitable length of 1/4”I.D. tubing. Use a two-stage
gas flow regulator if gas is to be supplied by a pressurized cylinder.
8. After installing connecting tubing, check that the PURG
CONTROL valve on the Oven is closed (full clockwise position) then
open the regulator flow control valve to pressurize the line. At this
point, check all connections for leaks using an ordinary soapy water
solution.
9. Check data plate and plug line cord into a suitable power receptacle.
Site Requirements
(continued)
Installation

Section 6 Operation
nergize the oven by switching the ON/OFF toggle to the ON position.
The upper display will show V R while the lower display will show 1.0,
indicating the current software version. Next, the DAY/TIM display will
begin alternating between the day of week and the time of day. At the
same time, the T MP/VACUUM display will alternate between chamber
temperature (°C) and chamber pressure (in Hg). Press the M NU key to
scroll through menus 1-6, then press S T to enter a menu. If there is no
keypad activity for 5 seconds, the unit returns to Menu 1 automatically.
The following table lists the main menus and their functions. The tables
that follow list the subcategories of the controller main menu and describe
the function of each.
Vacuum Oven 6-1Cole-Parmer
Table 2: Default Menu (Menu 1)
Step Key Entry Action Display
1 Press SET
Unit enters Temperature Setpoint mode with the current
setpoint displayed. Use the UP/DOWN keys to adjust the
setpoint.
SP: 280
2 Press SET 2nd Time
The temperature setpoint is updated and the vacuum pump
ON/OFF option is displayed. Use the UP key to switch the
pump on, and the DOWN key to switch the pump off.
PUMP OFF
3 Press SET or wait 2 seconds Unit returns to the default menu. MON 280
Table 1: Main Menu
Menu Prompt Display Functions Setup Functions
1 (Default) Top Display – Day of week, Time of day Adjust temperature control setpoint
Bottom Display – Temp (°C), Pressure (in Hg) Turn vacuum pump contacts ON/OFF
2 AD T Display temperature offset value Adjust temperature control offset
3 AD P Displays pressure offset value Adjust for barometric pressure variations
4 TSET Displays flashing day or time value Set clock and day of the week
5 PRGM Displays program mode Start / Stop program mode
6 PSET Displays day, step and setpoint Program 7 – Day event timer

6-2 Vacuum Oven Cole-Parmer
Section 6
Operation
Main Controller
Menus
Table 3: Adjust Temperature Offset (Menu 2)
Step Key Entry Action Display
1 Press MENU until AD T is dis-
played, then press SET
Use the UP/DOWN keys to adjust the
temperature offset. (Range ±30°C) AD T 00
2 Press SET or wait 2 seconds Unit returns to the default menu. MON 280
Table 6: Program Mode ON/OFF (Menu 5)
Step Key Entry Action Display
1 Press MENU until PRGM is
displayed, then press SET
Use the UP/DOWN keys to switch the
program on or off. PRGM OFF
2 Press SET or wait 2 seconds Unit returns to the default menu. MON 280
Table 4: Adjust Barometric Pressure Offset (Menu 3)
Step Key Entry Action Display
1 Press MENU until AD T is dis-
played, then press SET
Use the UP/DOWN keys to adjust the
pressure offset. (Range ±8.0 in Hg) AD P 0.0
2 Press SET or wait 2 seconds Unit returns to the default menu. MON 280
Table 5: Set Time and Day (Menu 4)
Step Key Entry Action Display
1 Press MENU until TSET is
displayed, then press SET
Unit enters set time and day mode and
the current hour and minute is displayed.
Hours digits are flashing. Use the
UP/DOWN keys to adjust the hour.
08:00 AM •
2 Press SET Minutes digits are flashing. Use the
UP/DOWN keys to adjust minutes. 08:00 AM •
3 Press SET
Day of the week is displayed (flashing).
Use the UP/DOWN keys to adjust the day
of the week.
MON
4 Wait 2 seconds Unit returns to default menu. MON 280