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Model 3980 and 3986 Incubators _____________________________________________Service

5-6

The infinite heater control is located in the right side of

the incubator top compartment behind the control panel door.
The heater varies the amount of door heat from no heat (zero)
to full heat (100) as indicated by the control dial face. If the
knob is turned past zero, a “click” will indicate that all power
to the door is shut off. If turned past 100, a similar “click” will
indicate that the heat is set at the maximum.

Initially the units leave the factory with the dial set at

40. If desired, the amount of heat can be reduced until
moisture appears on the door, then the heat advanced.
However, in fluctuating ambient conditions, it is
recommended that a minimum of 40% door heat be used.

5.7 Replacing the Air Pump(s)

De-energize all potential sources of energy to
this unit and lockout/tagout their controls.
(O.S.H.A. Regulation, Section 1910-147.)

1. Access to the air pump(s) is obtained by opening the front of the control panel.

Grasp the left side of the control panel housing and pull it gently but firmly, up and
out.

2. The air pump(s) are located midway back toward the right side of the component

area.

3. Remove the screws securing the air pump bracket(s). Remove bracket(s) and set

aside.

4.

Remove the clear outlet tubing from defective air pump(s).

5.

Electrically disconnect air pump(s) from main wiring harness.

5.8 Cleaning and Adjusting the Humidity Steam Generator, P/N 505087

Materials Required:

6-foot stepladder

Flat and Phillips screwdrivers

Clamp-on style Ammeter

Laboratory disinfectant

Siphon, sponge, and cleaning materials

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Содержание 3980

Страница 1: ...t capacity Manual No 7033980 Rev 9 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 CAUTION All internal adjustments and maintenance must be performed by qualified service personnel Refer to the serial tag on the rear cover of this manual ...

Страница 2: ......

Страница 3: ...to the use of this manual MANUAL NO 7033980 9 IN 2858 3 13 01 Revised control panel and revised electrical schematics aks 8 19617 12 19 00 New door updated electrical schematics ccs 7 19187 IN 2816 7 24 00 Added line cord standard ccs 6 18153 IN2816 19207 IN 2827 6 28 00 Updated electrical specs and schematics ratings ccs 5 18972 IN 2791 18948 IN 2787 3 6 00 Updated humidity configs clarified dehu...

Страница 4: ... provide you with on site service We can also provide you with a quotation on our Extended Warranty for your Thermo Forma products Whatever Thermo Forma 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 Wh...

Страница 5: ...lified persons should perform procedures associated with this symbol Ce symbole attire l attention de l utilisateur sur des risques électriques potentiels Seules des personnes qualifiées doivent appliquer les instructions et les procédures associées à ce symbole Gefahr von Stromschlägen Nur qualifizierte Personen sollten die Tätigkeiten ausführen die mit diesem Symbol bezeichnet sind Equipment bei...

Страница 6: ...lures sur la peau non protégée ou sur des matières pouvant être endommagées par des températures élevées Heiße Oberfläche n können ungeschützter Haut Verbrennungen zufügen oder Schäden an Materialien verursachen die nicht hitzebeständig sind Always use the proper protective equipment clothing gloves goggles etc Always dissipate extreme cold or heat and wear protective clothing Always follow good h...

Страница 7: ...2 9 Setting the Undertemp Safety Thermostat 2 6 2 10 Preparing the Optional CoBex Recorder 2 7 a Installing the Chart Recorder Battery 2 7 b Changing the Chart Paper 2 7 c Changing the Pen 2 8 d Calibrating the Chart Recorder 2 8 2 11 Offset Calibration 2 9 2 12 Controller Configuration 2 12 Temperature Configuration Humidity Configuration Section 3 Control Panel Operation 3 1 Main Power Switch an...

Страница 8: ...e Ventilator Caps 3 8 Section 4 Maintenance 4 1 Cleaning the Incubator 4 1 Section 5 Service 5 1 Access to the Electrical Components 5 1 5 2 Replacing the Overtemp and Undertemp Probe and Thermostat 5 1 5 3 Replacing the Humidity Temperature Sensor 5 2 5 4 Replacing the Optional Recorder and Probe s 5 3 5 5 Removing the Top Section 5 4 5 6 Setting the Door Heater Control 5 6 5 7 Replacing the Air ...

Страница 9: ...pancies on the delivery receipt Failure to adequately describe such evidence of loss or damage may result in the carrier refusing to honor a damage claim Immediately call the delivering carrier and request that their representative perform an inspection Do not discard any of the packing material and under no circumstances move the shipment from the receiving area 1 3 Responsibility for Shipping Da...

Страница 10: ... To ensure continuous satisfactory operation of the incubator only distilled water should be used in the humidity system Purity of the distilled water used in the incubator humidifier reservoir must be within the 50K Ohm to 1 M Ohm range to protect and prolong the life of the stainless steel unit Important Use of tap water or distilled water outside the specified range will decrease the operating ...

Страница 11: ...to an open drain 2 4 Connecting the CO2 Source For the most economical use the liquid CO2 should be supplied from tanks without siphon tubes so that only CO2 gas enters the incubator injection system Two tanks may be joined together with a manifold to ensure a continuous supply of CO2 A two stage pressure regulator with indicating gauges should be installed at the supply cylinder outlet The high p...

Страница 12: ...s far as it will go into the nut of the CO2 connection Turn the nut until it is finger tight For reference scribe the nut at the 6 00 position While holding the fitting body steady with a wrench tighten the nut 1 1 4 turn until the mark is at the 9 00 position Securely attach the CO2 line to the open end of the copper tubing Check the tubing connection for leaks A ...

Страница 13: ...ty data Remote alarm connections are also included on the terminal strip Key 1 2 3 4 5 6 7 8 9 Pin Description 1 2 3 4 5 6 7 8 9 Temperature Transmit Data RS232 Temperature Temperature Receive Data Temperature Common Humidity Transmit Data RS232 Humidity Humidity Receive Data Humidity Common Temperature Common Remote Alarm Contacts Temperature N O Temperature and Humidity Temperature N C Terminal ...

Страница 14: ...l circuit For Model 3986 the electrical junction box is located on the rear top section of the incubator With the junction box switch in the OFF position connect the incubator to an adequate power source 2 7 Start Up When the humidification system is operational the incubator may be placed into service Set the controls Overtemp Safety Thermostat Fully Clockwise Undertemp Safety Thermostat Fully Cl...

Страница 15: ...resumed Note When the chamber temperature control setpoint is changed the overtemp safety thermostat must be reset to accommodate the change 2 9 Setting the Undertemp Safety Thermostat After the chamber temperature and humidity have stabilized set the undertemp safety thermostat as follows 1 Turn the undertemp control knob slowly clockwise until the audible alarm sounds and the undertemp indicator...

Страница 16: ...s steady If the unit is not turned on the LED blinks Figure 2 3 If the battery is weak or not connected the green LED will flash If power is lost to the cabinet the LED will also flash When replacing the 9 volt battery use only an alkaline style battery b Changing the Chart Paper 1 Press the Change Chart button 3 and hold it for 1 second until the pen begins to move to the left of the chart See Fi...

Страница 17: ...to the chart Note Make sure that the pen is marking on the chart It may be necessary to gently lift the pen onto the chart paper d Calibrating the Chart Recorder 1 Place an accurate thermometer s in the chamber next to the recorder s probe s After about three minutes compare the thermometer with the chart recorder For 2 pen operations also compare the second thermometer Note For 2 pen operations f...

Страница 18: ...on 5 Return the controller into its frame and firmly press on the top and bottom of the bezel until all four locking tabs click into place 6 Turn ON the main power switch 7 Press the Up and Down Arrow keys simultaneously for 3 seconds The word InPt will appear in the upper display and set will appear in the lower display 8 Press the Down Arrow once then continue to press the Mode key until LOC app...

Страница 19: ...ller into its frame and firmly press on the top and bottom of the bezel until all four locking tabs click into place 17 Turn ON the main power switch 18 Looking at the top and left side of each controller module locate the red DIP switches indicated in Figure 2 6 19 With a fingernail or small screwdriver turn off SW 2 by moving the white toggle towards the front of the module as shown SW 2 is the ...

Страница 20: ...control type Note Prompts on the configuration sheet marked NA indicated that they will not appear in the menus and therefore will not appear on the display 26 Install the configurations in the order listed on the sheets InPt OtPt gLbL and COM COM is required only if the RS 232 data communications port is to be used 27 When all of the setup menus are completed press the Display key to revert back ...

Страница 21: ... 12 2 12 Controller Configuration The controllers have been pre configured at the factory Reference copies of the Watlow Configuration records are included on the following pages Do not re configure the controllers without first consulting Thermo Forma Service Department at 1 888 213 1790 ...

Страница 22: ... 25 Ct2 30 PROG See Programming Sheets if required Setup Menus InPt In1 RT D CAL1 rL2 NA CAL2 NA dEC1 NA rtd1 DIN rH2 NA Hunt NA rL1 20 0 Ftr1 2 LrnL NA rHi 80 0 In2 NA LrnH NA OtPt Ot1 Ht AL2 NA LAt3 nLA SIL4 NA PrC1 NA LAt2 NA SIL3 OFF Aout NA HyS1 0 1 SIL2 NA Ot4 NA PrC3 NA Ot2 CL Ot3 AL3 AL4 NA ArL NA PrC2 NA AL3 Pr1 HyS4 NA ArH NA HyS2 0 1 HyS3 0 1 LAt4 NA ACAL NA gLbL C_F C Anun OFF PtyP ti ...

Страница 23: ... Pb2 7 dE2 NA rA1 0 35 rE2 0 03 Ct2 30 PROG See Programming Sheets if required Setup Menus InPt In1 0 5 CAL1 rL2 NA CAL2 NA dEC1 0 rtd1 NA rH2 NA Hunt NA rL1 0 Ftr1 2 LrnL NA rHi 100 In2 NA LrnH NA OtPt Ot1 Ht AL2 NA LAt3 nLA SIL4 NA PrC1 NA LAt2 NA SIL3 ON Aout NA HyS1 1 SIL2 NA Ot4 NA PrC3 NA Ot2 CL Ot3 AL3 AL4 NA ArL NA PrC2 NA AL3 Pr1 HyS4 NA ArH NA HyS2 1 HyS3 1 LAt4 NA ACAL NA gLbL C_F NA An...

Страница 24: ...ON CYC2SEC TIME MINUTES CURRENT TUNING2 PROP BD or HOURS CURRENT GAIN DAY CURRENT RATE MIN MONTH CURRENT RSET MIN or YEAR CURRENT RSET PRM or DAY CURRENT MAN RSET CYCSEC PEN1 PEN1 ENABLE PROP BD2 or PEN1IN INPUT 1 GAIN2 CHART1HI 80 RATE2MIN CHART1LO 20 RSET2MIN or PEN1ON RSET2RPM PEN1OFF CYC2SEC MAJORDIV 10 MINORDIV 10 SP RAMP1 SP RAMP RNG1TAG TEMP TIME MIN FINAL SP PEN2 PEN2 ENABLE SP RATE PEN2IN...

Страница 25: ... TOTAL1 IN1HI 482 2 TOTALEU IN1LO 184 4 RATE CUTOFF SCALER INPTCOMP RSETABLE FILTER1 2 BURNOUT UP TOTAL2 Value RSETTOT INPUT2 DECIMAL XXXX TOTAL2 UNITS EU TOTALEU ENGUNITS RH RATE IN2TYPE 0 5 V SCALER XMITTER LINEAR RSETABLE IN2HI 100 IN2LO 0 CONTROL1 PID SETS CUTOFF2 SW VALUE INPTCOMP SP SOURC FILTER2 2 RATIO BURNOUT UP BIAS SP TRACK INPUT3 DECIMAL POWER UP UNITS SP HILIM ENGUNITS SP LOLIM IN3TYP...

Страница 26: ...MINorRPM A3S2 VAL CONT1ALG A3S1 TYPE OUT1ALG A3S2 TYPE 4 20 RNG A3S1 HL SHEDMODE A3S1 EV SHED SP A3S2 HL A3S2 EV OPTIONS INPUT 1 ENABLE AL3 HYST INPUT2 ENABLE A4S1 VAL INPUT3 DISABLE A4S2 VAL INPUT4 DISABLE A4S1 TYPE CONTROL1 DISABLE A4S2 TYPE CONTROL2 DISABLE A4S1 HL REJFREQ 60 HZ A4S1 EV HF REJ ENABLE A4S2 HL AUX OUT DISABLE A4S2 EV 4mA VAL AL4 HYST 20mA VAL A5S1 VAL RELHUMID NO A5S2 VAL ATMPRES...

Страница 27: ... MESSAGE 3 POSITION 3 EVENT 4 NONE MESSAGE 4 POSITION 4 EVENT 5 NONE MESSAGE 5 POSITION 5 EVENT 6 NONE MESSAGE 6 POSITION 6 LOCKOUT PASSWORD LOCKOUT MAX CHANGE ADJUST TRACE LN GRID LN PEN TYPE W1 MA W3 INPUT 1 W1 RTD INPUT 2 MA T C INPUT 3 INPUT 4 ALARMS 5 6 ____________________ INPUT JUMPERS TO BE FITTED JUMPERS TO BE FITTED CONTROL OUTPUT 1 2 __________ ALARMS 1 2 ____________________ ALARMS 3 4...

Страница 28: ...and the unit is receiving power 3 2 Refrigeration Switch and Indicator Light The refrigeration switch controls power to the refrigeration system The refrigeration indicator lights when the refrigeration switch is on and the compressor is receiving power 3 3 Defrost Switch and Indicator Light The defrost switch controls power to the defrost system The defrost timer is factory set to provide two 15 ...

Страница 29: ...erating temperature of the incubator In the event of an overtemp condition the overtemp safety thermostat will 1 Activate the audible alarm and the overtemp indicator light Figure 3 2 Temperature Controls Detail 2 Interrupt power to the heaters and maintain the temperature at the overtemp control point The overtemp control is not directly calibrated The numbers 0 to 10 on the dial are for referenc...

Страница 30: ...peration under the main temperature controller can be resumed 3 6 Temperature Humidity Controllers The Watlow Series 982 microprocessor based controllers control the temperature and humidity functions of the incubator Refer to Figure 3 3 Refer to the Watlow manual included with this manual and the Watlow configuration records at the end of Section 2 Upper Display PROCESS The four digit LED upper d...

Страница 31: ...ed prompt Up Down Key simultaneously Press the Up Down keys simultaneously for three seconds the Setup SET prompt appears Press and hold the keys for six seconds and the Factory FCTY prompt appears Hold Run Key Press once to clear a latched alarm without altering the Hold Run status To run or halt a program refer to Chapter 7 of the Watlow manual Hold Run LED When lit the control is Rning When bli...

Страница 32: ...tch is currently off When controlling humidity the dehumidification switch should be in the ON position for most applications The dehumidification light will cycle on and off as the humidity controller toggles between humidify and dehumidify The dehumidify light will be de energized when the system is in Defrost mode Humidity is removed from the cabinet by the refrigeration evaporator coil Moistur...

Страница 33: ...vice To prevent CO2 loss the sample port must be capped when it is not in use 3 12 Purge Level Dial The purge level dial is used to set the duration of the CO2 purges For example when the dial is set at 5 the incubator will be purged with CO2 for about 1 minute and 45 seconds This is enough to replace approximately 5 of the air in the chamber with CO2 The reference markings on the dial are 5 10 an...

Страница 34: ...he chamber temperature and on some recorder models both temperature and humidity Refer to the recorder supplement included with this manual 3 17 Air Exchange Ventilator Caps When using CO2 in the chamber the ventilator caps must be completely closed to minimize CO2 loss Air exchange for the incubator is regulated through the manually adjustable intake and exhaust ventilator caps located on the top...

Страница 35: ... with soap and water or with any non abrasive commercial spray cleaner Clean the inside of the chamber with alcohol and or soap and water Disinfect the interior panels with a general use laboratory disinfectant diluted according to the manufacturer s instructions Rinse the surface thoroughly after each cleaning and wipe the surfaces dry Always rub in the direction of the finish polish lines Do not...

Страница 36: ... components remove the two screws located on the left side of the control panel with a phillips screwdriver The control panel is hinged and will swing open 5 2 Replacing the Overtemp Undertemp Probe and Thermostat De energize all potential sources of energy to this unit and lockout tagout their controls O S H A Regulation Section 1910 147 1 Remove the incubator ceiling by removing the screws holdi...

Страница 37: ...temp assembly to the control panel 10 Disconnect the two wires from the back of the thermostat assembly 11 Pull the entire assembly out of the panel and remove the unit 12 Replace the thermostat and probe Note Reseal the probe access hole with Permagum and retie the overtemp cable to the existing wires after replacing the probe 5 3 Replacing the Humidity Temperature Sensor De energize all potentia...

Страница 38: ... it out of the housing 3 Remove the screws securing the ceiling of the incubator and remove the ceiling 4 Remove the top three screws on both edges of the right duct sheet 5 Lean the duct sheet out in order to remove the Permagum seal from around the probe access hole 6 Remove the two screws located on the left side of the control panel door Remove any Permagum from around the access hole 7 Pull t...

Страница 39: ...or humidity sensing probes are mounted on a probe mounting bracket on the right side of the incubator chamber Remove the nuts securing the bracket and then remove the probes from the bracket Note the location and configuration of the probes 3 The sensing bulb capillaries are routed behind the duct sheet up to the access port at the top of the unit behind the control panel Route all of the probes b...

Страница 40: ...ening of the incubator chamber The gasket must be correctly positioned when reinstalling the top on the chamber 11 Slowly lift the entire top assembly up and off the lower chamber section while carefully guiding the capillaries and sensing bulbs out of the chamber area Place the top assembly onto the carpenter s horses or other support arrangement 12 Reinstall the top assembly by reversing the abo...

Страница 41: ...nditions it is recommended that a minimum of 40 door heat be used 5 7 Replacing the Air Pump s De energize all potential sources of energy to this unit and lockout tagout their controls O S H A Regulation Section 1910 147 1 Access to the air pump s is obtained by opening the front of the control panel Grasp the left side of the control panel housing and pull it gently but firmly up and out 2 The a...

Страница 42: ...ing the top of the incubator cabinet 4 When the steam generator has cooled remove the four thumbscrews The internal temperature of the steam generator is hot enough to boil water Make certain sufficient time is given to allow the unit to completely cool before removing the top heater thumbscrew 4 sterile distilled water inlet overflow float control reservoir capillary tube blue wire heater safety ...

Страница 43: ...nd water as necessary 8 Carefully pry off the brass top of the float control reservoir Clean and disinfect it and the connecting tube between the reservoir and the steam generator being careful not to damage the float assembly 9 Also clean the two heater elements and the part of the copper capillary tube attached to them 10 When all surfaces are clean rinse with sterile distilled water until all s...

Страница 44: ...es are present This should only be done by qualified persons 4 Using a clamp on ammeter verify that there is current flow in the blue wire going to the heater connectors Refer to Figure 1 5 Proper current is about 3 6 amps If there is no current flow and the humidity indicator is on rotate the small slotted screw in the shaft of the safety thermostat counterclockwise using a jeweler s screwdriver ...

Страница 45: ... 4 sq ft 51 sq m shelf Max Per Chamber 104 3 sq ft 9 69 sq m Clearance Adjustable on 3 7 62 cm centers Loading 35 lbs 16 kg slide in and out 50 lbs 23 Kg stationary Construction Volume 29 cu ft 823 liters Interior304 2B stainless steel Exterior Cold rolled steel Insulation 2 5 1cm foamed urethane Outer Door Gasket Four sided vinyl compression Finish Powder coated Salt spray tests exceed 1000 hrs p...

Страница 46: ...8 220VAC 60Hz 1PH 3P 4W 14 0 FLA 3986 220 240VAC 50 60Hz 1PH 2P 3W 14 0 FLA Line Cord 3980 NEMA 14 20 plug 3986 None lockable disconnect provided Dimensions Exterior 38 00 W x 87 50 H x 32 00 F B 96 52 cm x 222 25 cm x 81 28 cm Interior 31 00 W x 60 00 H x 27 00 F B 78 74 cm x 152 40 cm x 68 58 cm Continuing research and improvements may result in specification changes at any time Performance plus...

Страница 47: ...Model 3980 and 3986 Incubators ______________________________________Specifications 6 3 ...

Страница 48: ...230066 Ceramic Fuse 10A 250V 320277 Triac 25A 400V Flat Base 403941 B 20 10 to 220F 285604 Safety Switch 3P 30A 285614 Fuse Fusetron 20A 403940 Thermostat B10 Snap 505087 Steam Generator 620430 Heater Steam Generator 980052 Float 270010 Thermostat B10 Steam Generator 901900 Air Pump 4 1 LPM 115V 60Hz Model 3980 184022 Air Pump 4 1 LPM 115V 50Hz Model 3986 190467 Copper P Trap 195080 Water Strainer...

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