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Isotemp Plus

Chromatography and General Purpose

Laboratory Refrigerator

with Alarm Version Controls

Isotemp Plus Laboratory Refrigerators

120V Versions

13-986-120A,

13-986-120RA

13-986-122A,

13-986-122RA

13-986-124A,

13-986-124RA

13-986-126A,

13-986-126RA

13-986-128A,

13-986-128RA

13-986-128SA,

13-986-128SRA

13-986-130A,

13-986-130RA

13-986-132A,

13-986-132RA

Isotemp Plus Chromatography Refrigerators

120V Versions

13-986-134A,

13-986-134RA

13-986-136SA,

13-986-136SRA

13-986-138A,

13-986-138RA

13-986-140A,

13-986-140RA

Isotemp Plus Laboratory Refrigerators with Drawers

120V Versions

13-986-134DA,

13-986-134DRA

13-986-138DA,

13-986-138DRA

13-986-140DA,

13-986-140DRA

RA – Alarm controller and chart recorder

LT2098X2 •

Rev. A

Summary of Contents for 13-986-120A

Page 1: ...86 128A 13 986 128RA 13 986 128SA 13 986 128SRA 13 986 130A 13 986 130RA 13 986 132A 13 986 132RA Isotemp Plus Chromatography Refrigerators 120V Versions 13 986 134A 13 986 134RA 13 986 136SA 13 986 1...

Page 2: ...erature Setpoint 13 Units 14 High Alarm Set Point 14 Low Alarm Set Point 14 Alarm Silencing Menu 14 Alarm Test Menu 15 Calibration Offset 15 Hold Off Time 15 Control Mode 16 Loading 16 Temperature Dig...

Page 3: ...6 Battery Location and Replacement 26 Optional Alarm Control Relay 26 Connection to the Relay 26 Setting the Alarms 27 Chart Range Selection 28 Recorder Specifications 29 Maintenance 30 Cabinet Cleani...

Page 4: ...ld result in serious adverse effects This equipment must be used only as specified in these instructions If used in a manner other than as specified the protection provided by the equipment may be imp...

Page 5: ...be such external evidence of loss or damage may result in the carrier s refusing to honor your damage claim The carri er will supply the form required to file such a claim Concealed Loss or Damage Con...

Page 6: ...or must be level in order to provide ade quate condensation drainage as well as proper door align ment and operation The refrigerator should be in its final operating location and set so that it is fi...

Page 7: ...erify that the lamp has been rotated and locked into place Door Removal Sliding Door Models Only Each door has its own closing spring located at the top of the door track Each spring is set for proper...

Page 8: ...ame numbers on each pilaster to ensure the shelf will be level Place the shelf on the pilasters as shown in Fig s 2 and 3 Replacement shelves are available individually See Replacement Parts for shelf...

Page 9: ...ts power requirements specified on the data plate Where a two prong wall receptacle is encountered it is the personal responsibility and obligation of the user to have it replaced with a properly grou...

Page 10: ...ation system are off The control board remains energized in order to supply a charge to the battery Key Switch Turning the key switch to the middle position energizes the circulation fans and the cont...

Page 11: ...ser that the controller is in the menu selection mode Cool LED The Cool LED is lit when the controller calls for cooling When this LED comes on the compressor should ener gize Alarm LED S Door Ajar Th...

Page 12: ...Decreases or changes menu val ues Interior Light Switch The interior lamp s is controlled by a rocker switch locat ed on the header panel This light may be operated any time the cabinet power is turn...

Page 13: ...e setup middle position These values can be viewed but not changed with the key switch is in the alarm position The menu options are explained in the following sections There are 8 menus to select fro...

Page 14: ...and Low alarm setpoints can be adjust ed to be within 3 5 C 6 3 F of one another and no clos er Low Alarm Set Point Low Alarm Set Point AL Use the Up Down Arrow keypad to adjust the value that trigge...

Page 15: ...o are not accessible from the main menu In order to view and or change them the Menu keypad must be pressed and held for 5 seconds The calibration offset oS menu will then be displayed briefly followe...

Page 16: ...erating properly Space samples uniformly in the chamber Keep samples away from the back wall that may obstruct airflow It is best to load the refrigerator from bottom to top Keeping the area next to t...

Page 17: ...he refrigera tor Open sensor NOTE The Door Ajar Alarm is not available on the sliding glass door models Over Temp Alarm If the refrigerator chamber temperature rises above the High Alarm Set Point the...

Page 18: ...re is used to verify proper alarm operation by simulating an increase or decrease in cham ber temperature The alarm test function will work for any value of high or low alarm set points With the key s...

Page 19: ...dition to the audible and visual alarms there are two sets of remote contacts on the side of the header panel which change state during an alarm The upper set of contacts provides both normally open a...

Page 20: ...change state and the over temp LED will illuminate Battery Back Up The Isotemp Plus Alarm Version Refrigerators are sup plied with a rechargeable battery back up The battery will continue to supply po...

Page 21: ...ndicates a cham ber temperature of 6 0 C approx and the controller begins to cool to the desired temperature of 4 0 C Allow an additional 30 to 40 minutes for the refrigerator to again stabilize If th...

Page 22: ...Power Supply The recorder functions from AC power when the unit is operating normally The recorder is also equipped with a backup battery installed in the bracket just inside the door of the recorder...

Page 23: ...the pen and will no longer give you a fine line marking on the chart paper Place the pen cap in a safe place for future use If the stylus does not touch the chart adjustment can be made by slightly b...

Page 24: ...s position using the left and right arrow buttons of Figure 6 To check and or adjust the pen s alignment to the outer most temperature graduation ring press and hold the chart change 3 button until t...

Page 25: ...perature of the solution The arrow buttons must be held for approximately five seconds before the pen will begin to move Chart Rotation Speed To change the chart rotation speed first unplug the unit f...

Page 26: ...C power were to fail or the battery becomes weak then the LED will begin flashing indicating that either you have lost the main power to the unit or it is time to replace the battery Having a 9 volt D...

Page 27: ...s the nor mally open side of the relay contact The white wire is the normally closed side of the relay contact The relays are rated for the following maximum values 2 0 AMP at 30 V DC 0 6 AMP at 30 V...

Page 28: ...corder has a built in safety mechanism that will always move the pen to the highest temperature on the chart when the current tem perature that is measured is not within the selected range To select f...

Page 29: ...230VAC Nominal Input Current 0 40mA 0 20mA Nominal Input Frequency 50 60 Hz Battery Battery Type 9 Volt Alkaline Low Battery Signaling Flashing LED Replacement Parts 40 to 60 C Charts SPN104116 5 to 2...

Page 30: ...he condenser should be cleaned before becoming clogged with dirt dust Construction or other dirt causing environments may significantly increase the required frequency The condenser should be cleaned...

Page 31: ...ndition persists call for service becomes to hot A clicking sound occurring about every 30 seconds indicates this protector is working Insufficient Cooling Set temp is too high Reduce temperature sett...

Page 32: ...PN102259 Magnetic Relay K1 DPDT SPN102260 Alarm Version Temperature Controller SPN104162 Shelf Support SPN103265 Chart Recorder Manual SPN104114 Rechargeable Battery SPN104711 Temperature Sensor SPN10...

Page 33: ...33 Wiring Diagrams Swinging Door Models Catalog No s 13 986 120A RA 122A RA 126A RA 130A RA 13 986 121A RA 123A RA 127A RA 131A RA...

Page 34: ...34 WIRING DIAGRAMS Sliding Glass Door Models Catalog No s 13 986 128SA SRA 13 986 136SA SRA 13 986 129SA SRA 13 986 137SA SRA...

Page 35: ...35 WIRING DIAGRAMS Swinging Door Models Catalog No s 13 986 124A RA 132A RA 134A RA 13 986 140A RA 13 986 125A RA 133A RA 135A RA 139A RA 13 986 141A RA...

Page 36: ...m the respective manufacturer whatever adjustment is reasonable in the light of the manufacturer s own warranty b The Company shall be released from all obligations under its warranty in the event rep...

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