Related Manuals for Fisher Scientific Isotemp Plus 13-986-142A
Summary of Contents for Fisher Scientific Isotemp Plus 13-986-142A
- Page 1 Isotemp Plus General Purpose Laboratory Freezers with Alarm Version Controls Catalog Numbers: 13-986-142A/RA 13-986-143A/RA 13-986-144A/RA 13-986-146A/RA 13-986-147A/RA 104843 • Rev. A...
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Page 2: Table Of Contents
Table of Contents Introduction ....................................3 Safety Precautions ................................3 Performance Characteristics ............................3 Installation ....................................4 Unpacking..................................4 Visible Loss or Damage ..............................4 Concealed Loss or Damage............................4 Packing List ..................................5 Selecting a Location ................................5 Installing and Leveling Casters ............................5 Shelves ....................................6 Electrical Connection ..............................6 Controls ....................................7 Panel Controls ................................7 Displays and Features ..............................7... -
Page 3: Introduction
Introduction This manual is intended to provide installation and operat- ing instructions for Isotemp Plus Alarm version freezers. The alarm version control system provides both audible and visual indication of alarm conditions in an easy to read display format. In addition, there are two sets of contacts available for remote alarm switching. -
Page 4: Installation
Installation Unpacking Save all packing material if apparatus is received dam- aged. This merchandise was carefully packed and thor- oughly inspected before leaving our factory. Responsibility for its safe delivery was assumed by the carrier upon acceptance of the shipment; there- fore, claims for loss or damage sustained in transit must be made upon the carrier by the recipient as fol- lows:... -
Page 5: Packing List
NPACKING AND NSTALLATION Packing List The following items are packed in the envelope located inside the freezer chamber. If any of the following items are not present, report the missing item to your local Fisher representative. Warranty Card Instruction Manual Door Lock Key Power Switch Key Chart Recorder Instructions (Catalog No.’s with... -
Page 6: Shelves
NPACKING AND NSTALLATION Shelves Shipped inside each cabinet are 3 epoxy coated shelves per door opening. Epoxy coated filler shelves are provid- ed for units with more than one door. Shelf supports, located in the plastic bag, are pushed into the side pilasters, one in each corner, at the desired shelf height. -
Page 7: Controls
Controls Panel Controls Before operation, it is necessary to become familiar with the freezer controls. All the freezer controls are located on the header panel. A layout of the controller and LED’s are given below. Figure 3 Alarm LED'S Temperature Display POWER Menu Keypad Up Arrow Keypad... -
Page 8: Temperature Display
ONTROLS freezer can then be switched to the Alarm Enable posi- tion. While in the Alarm Enable position, the menu items can be viewed but not changed. The key can then be Note pulled to secure the values entered. The key can be pulled in the Off or the Alarm Enable position. -
Page 9: Keypads
ONTROLS Keypads Menu Keypad – Pressing the Menu keypad enters the controller into the menu selection mode, designated by the illumination of the MODE LED. Repeatedly pressing the Menu keypad cycles through the list of menu items (see Menus). After the final menu, the controller returns to the control mode and the MODE LED turns off. -
Page 10: Operation
Operation The freezer is started by inserting the power switch key, which is found in the envelope inside the unit, into the key switch. Turn the key to the middle (set up) position. The Note internal fans will start and the display will flash between The Pout display is a normal occur- Pout and the current chamber temperature. -
Page 11: Temperature Setpoint
ONTROLS Temperature Setpoint • Temperature Set Point (SP) – Adjustable from - 30.0 to 0.0°C or -22.0 to 32.0°F. Use the Up/Down Arrow keypads to change the temper- ature and the Menu keypad to enter the value and switch to the next menu. Units •... -
Page 12: Alarm Silencing Menu
ONTROLS Alarm Silencing Menu • Alarm Silencing (AS) – During an alarm condi- tion, while the key switch is in the Alarm Enable Mode, this menu allows the user to silence the audible alarm for 5 minutes. After the AS stops flashing, the display will show n, press the Up Arrow keypad to change the display to y. -
Page 13: Hold-Off Time
ONTROLS Hold-Off Time • Hold-Off (Ho) – Use the Up/Down Arrow key- pads to adjust the Hold-Off time in minutes. Adjustable from 3 to 10. This value represents the delay time between compressor activations. Press the Menu keypad to enter the new value and return to temperature control mode. -
Page 14: Alarms
ONTROLS digression values were reset. Pressing the Decrease keypad will display the coldest temperature recorded since the unit was energized or the digression values were reset. To reset the temperature digression values, simply press the Increase and Decrease keypads at the same time. The display will show Clr, indicating the controller will begin recording new warm and cold digressions once more. -
Page 15: Under Temp Alarm
ONTROLS Under Temp Alarm If the freezer chamber temperature falls below the Low Alarm Set Point, the display will alternately flash the freezer chamber temperature and “Lo”. The Under Temp LED will be lit, the audible alarm will sound and the remote contacts will change state. -
Page 16: Remote Alarm Contacts
ONTROLS The procedure for testing the alarms is simple. Press the Menu Keypad repeatedly until the display shows At (alarm test). Momentarily, the display will change to n. Press the Up Arrow Keypad to change the display from n to H in order to perform a high alarm test. With the dis- play showing H, press the Menu Keypad again and the temperature display will begin to rise until it reaches the High Alarm Set Point. -
Page 17: Open Sensor
ONTROLS All contacts are capable of switching up to 24 volts AC/DC and 2 amps. The common (C) and normally closed (NC) contacts open during an alarm. The com- mon (C) and normally open (NO) contacts close during an alarm. The contacts for the Deluxe Remote Alarm are normally closed and open during an alarm. -
Page 18: Calibration Using Temperature Offset
ONTROLS Calibration Using Temperature Offset In the event the freezer needs to be calibrated, a simple routine is available to adjust the display and control point to a referenced standard. To set a temperature offset while in the Control Mode (mode LED off), simply press and hold the Menu keypad. -
Page 19: Maintenance
Maintenance Cabinet Cleaning Caution The cabinet interior should be cleaned frequently. Any When servicing the unit, disconnect spilled liquid should be wiped off immediately. Stains plug from the electrical power source. resulting from some spills can be permanent if not quickly removed. -
Page 20: Troubleshooting
Troubleshooting This table is intended to assist in resolving user-correctable freezer problems by relating symptoms to their likely causes. If service beyond the scope of this table is required, contact Fisher Scientific Service Division at 1-800-438-4851. Symptom Probable Cause Action... -
Page 21: Replacement Parts
Replacement Parts Replacements parts for laboratory freezers, serviceable by the user, may be ordered by part number from Fisher Scientific Co. at 1-800-438-4851. Epoxy Coated Shelves Full depth shelf for models: 13-986-142A/RA, 143A/RA, 13-986-146A/RA, 147A/RA 13-986-210E Replacement shelves for models: 13-986-144A/RA... -
Page 22: Wiring Diagrams
Wiring Diagrams Model Numbers: 13-986-142A/RA, 144A/RA,146A/RA and all 3-wire systems including international models(”HK”). 115, 230 VAC, 60Hz Domestic 220V 50 Hz, International FREEZER LIGHT TO TEMP CONTROLLER EVAPORATOR DEFROST FAN CONTROL SWITCH 2 PRPL EVAPORATOR FANS (2) FACE HEATERS (2) DEFROST TIMER DEFROST HEATER CUT-OUT COIL... - Page 23 IRING IAGRAMS Models Numbers: 13-986-143A/RA and 147A/RA and all 4-wire systems. 230 VAC, 60Hz (domestic) FREEZER LIGHT TO TEMP CONTROLLER EVAPORATOR DEFROST FAN CONTROL SWITCH 2 PRPL EVAPORATOR FANS (2) FACE HEATERS (2) DEFROST TIMER DEFROST HEATER CUT-OUT COIL DEFROST SWITCH 1 DEFROST LIMIT CONTROL...
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Page 24: Warranty
Warranty Laboratory instruments and equipment manufactured by Fisher Scientific Company L.L.C. – Laboratory Equipment Division (hereinafter called “the Company”) are warranted only as stated below. Subject to the exceptions and upon the conditions specified below, the Company agrees, at its election, to...