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CSZ MICRO-TEMP LT 749 Operation And Technical Manual

Localized therapy units
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MICRO-TEMP LT
Operation and Technical Manual
Model 749 Localized Therapy Units
Cincinnati Sub-Zero Products, Inc. • 12011 Mosteller Road • Cincinnati, Ohio 45241, U.S.A.
www.cszmedical.com
In Europe: • CEpartner4U • Esdoornlaan 13, 3951 DB Maarn.
The Netherlands

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  • Page 1 ® ® ® ® MICRO-TEMP LT Operation and Technical Manual Model 749 Localized Therapy Units Cincinnati Sub-Zero Products, Inc. • 12011 Mosteller Road • Cincinnati, Ohio 45241, U.S.A. www.cszmedical.com In Europe: • CEpartner4U • Esdoornlaan 13, 3951 DB Maarn. The Netherlands...
  • Page 2 MICRO-TEMP LT Symbols / Definitions Attention: Read Operation Instructions Temperature Set Water Temperature Set and Manual Before Point Indicator Temperature Operating O / I Increasing Decreasing OFF / ON Switch Low Water Temperature Temperature Level Fuse AC Voltage CAUTION Power Failure Risk of Explosion: Separate collection for Do not use in the...
  • Page 3 MICRO-TEMP LT OPERATION AND TECHNICAL MANUAL Cincinnati Sub-Zero Products, Inc., reserves the right to make equipment changes and improvements, which may not be reflected in this manual. WARNING • Read Operation Manual before operating. • A physician's order is required for setting pad temperature and use of equipment. As directed by physician, check patient's temperature and skin condition of areas in contact with pad.
  • Page 4 WARNING • Proper sanitation procedures must be practiced and hygienic safety must be maintained, to prevent contamination. Contamination can affect patient’s health, i.e. skin irritation/rash may result. • Any time water is found leaking into or around the unit, connecting hose, and/or pad, turn the unit off, disconnect the power cord from its power source, and correct the problem before proceeding.
  • Page 5 Electrostatic Discharge procedure should be followed during replacement of any electronic board. • Use only CSZ provided hospital grade power cord assembly and used in conjunction with a properly grounded receptacle or electric shock may result. • Do not operate pump without a pad connected or with pad clamps in the “CLOSED”...

  • Page 6: Table Of Contents

    TABLE OF CONTENTS TECHNICAL HELP ..............................1 AUTHORIZED EUROPEAN REPRESENTATIVE: ....................1 BEFORE YOU CALL FOR SERVICE..........................1 IN-WARRANTY REPAIR AND PARTS ........................1 RECEIVING INSPECTION............................1 IMPORTANT SAFETY INFORMATION .......................1 SECTION 1. INTRODUCTION..........................2 1-0. GENERAL SAFETY PRECAUTIONS ......................2 1-1. GENERAL DESCRIPTION OF THIS MANUAL ..................2 1-2.
  • Page 7 SECTION 5. FIELD REPAIR/SERVICE OF THE MICRO-TEMP LT UNIT ..........34 5-1. INTRODUCTION............................34 5-2. ACCESS TO THE INTERIOR OF THE MICRO-TEMP LT UNIT ..............36 5-2.1. SEPARATING THE FRONT AND REAR ENCLOSURES............36 5-2.2. RECONNECTING THE FRONT AND REAR ENCLOSURES .............36 5-2.3. DISCONNECTING THE CABLES FROM THE CONTROL BOARD ..........37 5-2.4.

  • Page 8: Technical Help

    All parts on your MICRO-TEMP LT unit are covered by a one year warranty (parts and labor if returned to CSZ). To return defective parts or units, first obtain a Returned Materials Authorization (RMA) number from our Medical Technical Service department.

  • Page 9: Section 1. Introduction

    1-2. GENERAL DESCRIPTION OF THE MICRO-TEMP LT SYSTEM The CSZ MICRO-TEMP LT (Model 749) Localized Heat Therapy System is used to raise a patient's body part temperature and/or maintain a desired patient body part temperature through conductive heat transfer. The CSZ MICRO-TEMP LT unit is intended for continuous operation and is composed of a heater, a circulating pump, and a microprocessor.

  • Page 10: Clinical Applications

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL The Micro-Temp LT is intended for use in ambient temperatures of 20° C – 35° C (68° F – 95° F). The maximum contact surface temperature at the pad is 42° C (107° F). 1-3.

  • Page 11: Figure 1-1. Micro-Temp Lt Unit - Front View

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 1-1. MICRO-TEMP LT, FRONT VIEW...

  • Page 12: 1-4.2. External Features - Rear View

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 1-4.2. EXTERNAL FEATURES - REAR VIEW The external features in Figure (1-2) of the MICRO-TEMP LT unit are described as follows: The power switch is a beveled rocker switch labeled “I” for ON and “O” for OFF. The fuse housing holds replaceable fuses that are integrated in the switch assembly to protect against overload conditions.

  • Page 13: Figure 1-2. Micro-Temp Lt, Rear View

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 1-2. MICRO-TEMP LT, REAR VIEW...

  • Page 14: 1-4.3. External Features - Membrane Control Panel

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 1-4.3. EXTERNAL FEATURES – MEMBRANE CONTROL PANEL The external features in Figure (1-3) and Figure (1-4) of the MICRO-TEMP LT unit are described as follows: The digital temperature display shows the actual temperature of the circulating water and the set point temperature when the “SET”...

  • Page 15: Figure 1-3. Micro-Temp Lt - Membrane Control Panel (100/115V)

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 1-3. MICRO-TEMP LT, MEMBRANE CONTROL PANEL (100V/115V ONLY) FIGURE 1-4. MICRO-TEMP LT, MEMBRANE CONTROL PANEL (230/240V ONLY)

  • Page 16: Required Accessories

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 1-5. REQUIRED ACCESSORIES The only essential accessory for the MICRO-TEMP LT unit is a thermal pad. Thermal pads are available with or without a layer of foam bonded to one side and with a non-woven fabric on both sides to allow moist heat therapy when the foam or non-woven fabric is wetted.

  • Page 17: 1-6.4. Temperature Safety Control System

    INTRODUCTION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL The 0.24-gallon (0.9 liters) capacity reservoir is composed of a single circulating unit. The circulating water flows over and around the heating element and water temperature sensor located in the circulating reservoir. The heated water then flows out of the reservoir, to the circulating pump, through the pump housing and connecting hoses, and then to the localized heat therapy pad.

  • Page 18: Section 2. General Preparation Of The Micro-Temp Lt System

    GENERAL PREPARATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL SECTION 2. GENERAL PREPARATION OF THE MICRO-TEMP LT SYSTEM 2-1. INTRODUCTION This section describes the procedures to prepare the MICRO-TEMP LT unit for general use. This entails unpacking the shipment, arranging all the equipment for the first time, and completing a test routine.

  • Page 19: 2-3.2. Completing A System Test Routine

    GENERAL PREPARATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Review Section (1-4.1), (1-4.2), and (1-4.3) to identify the features of the MICRO- TEMP LT unit. Collect and arrange a localized heat therapy pad described in Section (1-5). CAUTION • Use distilled water only.
  • Page 20 GENERAL PREPARATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL a. Upon initial power-up, the unit flashes the 42° C default set point four times, and then flashes the actual water temperature two times before constantly displaying the water temperature. The pump activates and begins circulating water.

  • Page 21: Patient Preparation And Bedside Care

    GENERAL PREPARATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL The set point display changes and the numbers move up the scale. The longer the button is pressed the faster the digits change. When the button is released and repressed, the digits once again change slowly and then increase in speed.
  • Page 22 GENERAL PREPARATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL WARNING • A physician's order is required for setting pad temperature and use of equipment. As directed by physician, check the patient's temperature and skin condition of areas in contact with the pad. Check the pad water temperature. Pediatric patients, temperature- sensitive patients with vascular disease, surgical patients, diabetics, and Raynauds disease patients should be checked more frequently.
  • Page 23 GENERAL PREPARATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL WARNING • Any time water is found leaking into or around the unit, connecting hose, and/or pad, turn the unit off, disconnect the power cord from its power source, and correct the problem before proceeding.

  • Page 24: Section 3. Operating The Micro-Temp Lt Unit

    OPERATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL SECTION 3. OPERATING THE MICRO-TEMP LT UNIT 3-1. INTRODUCTION This section describes how to operate the MICRO-TEMP LT unit in order to provide maximum therapy to a patient. First, collect the equipment and prepare the patient. Second, set the appropriate controls.
  • Page 25 OPERATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Inspect the power plug for bent or missing prongs. Connect the detachable power cord to the unit. WARNING • Do not by-pass ground on power cord plug. Electrical Hazards may result. Insert the plug into a properly grounded receptacle.

  • Page 26: Operating The Micro-Temp Lt

    OPERATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 3-3. OPERATING THE MICRO-TEMP LT WARNING • A physician's order is required for setting pad temperature and use of equipment. As directed by physician, check patient's temperature and skin condition of areas in contact with pad;...

  • Page 27: Concluding Localized Heat Therapy Treatment

    OPERATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL When the desired set temperature is displayed, release the Up or Down arrow and the “SET” button. NOTE: If water temperature is >1° C (2˚F) over the set po int temperature, the display will flash and the unit will sound an alarm.
  • Page 28 OPERATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL During normal operation, the status display shows the following message: Status Display Message Function The water temperature is displayed when the Micro-Temp LT is operating. If the “SET” button is being depressed, the set point temperature is being displayed.
  • Page 29 OPERATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL This alarm condition occurs when the actual water temperature is 1° C (2˚F) greater than the set point temperature. W hen this occurs, the display flashes the actual water temperature, an audible alarm sounds 2 beeps while flashing the red ”Warning”...

  • Page 30: Section 4. General Maintenance Of The Micro-Temp Lt System

    Test Tilt Switch Alarm 4-1.1. TEST EQUIPMENT REQUIRED The following test equipment is required to perform the preventive maintenance/functional check- out procedures: • CSZ's model TF100 86173 Dual-Matic (Temperature Tester, Flow Meter) • Calibrated temperature measuring device • Digital Safety Analyzer •...

  • Page 31: Figure 4-1. Maintenance Checklist

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL SUGGESTED PREVENTIVE MAINTENANCE CHECKLIST MICRO-TEMP LT Model 749 Hospital Control No. Serial Number Check When Completed External cabinet in good condition. (No unusual dents or missing parts) All labels properly affixed. Quick disconnect couplings are tight, straight, and not leaking.

  • Page 32: Maintenance Of The Water Reservoir

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-2. MAINTENANCE OF THE WATER RESERVOIR The reservoir holds approximately 0.24 gallons (0.9 liters) of distilled water that remains in the unit between periods of use. Quarterly, the water reservoir should be drained and replenished. NOTE: DO NOT USE DE-IONIZED WATER, TAP WATER, OR ALCOHOL.

  • Page 33: 4-2.3. Disinfection/Dry Storage Procedure For Circulating Water Units

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-2.3. DISINFECTION/DRY STORAGE PROCEDURE FOR CIRCULATING WATER UNITS Quarterly, at a minimum, the FLUID CIRCUIT DISINFECTION/DRY STORAGE PROCEDURE, listed below, should be conducted. CAUTION • For safe handling and use of chemicals follow manufacturer guidelines. •...
  • Page 34 MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL UNIT U.S.P. Grade Propylene Glycol Per Unit MICRO-TEMP LT 2 ounces (60 cc) Continue to fill the water reservoir with distilled water. If unit is being placed in dry storage, continue with procedure. When all fluid has been removed from the unit, disconnect the drain hose(s) and wipe unit clean.

  • Page 35: Maintenance Of The Micro-Temp Lt Exterior - Cleaning Instructions

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-3. MAINTENANCE OF THE MICRO-TEMP LT EXTERIOR – CLEANING INSTRUCTIONS The MICRO-TEMP LT unit is constructed of a medical grade plastic. For cleaning and disinfecting, always use conventional hospital-approved topical equipment cleaners and disinfectants that do not contain alcohol.

  • Page 36: Ground Continuity Test

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-6. GROUND CONTINUITY TEST WARNING • The repair, calibration, and servicing of the MICRO-TEMP LT should be performed by qualified Medical Equipment Service Technicians, Certified Biomedical Electronics Technicians, or Certified Clinical Engineers familiar with good repair practices for servicing medical devices, and in accordance with instructions contained in this manual.

  • Page 37: 1°C (2°F) Over Set Point Check

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-8. >1° C (2° F) OVER SET POINT CHECK WARNING • The repair, calibration, and servicing of the MICRO-TEMP LT should be performed by qualified Medical Equipment Service Technicians, Certified Biomedical Electronics Technicians, or Certified Clinical Engineers familiar with good repair practices for servicing medical devices, and in accordance with instructions contained in this manual.

  • Page 38: High Limit Safety Check

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-10. HIGH LIMIT SAFETY CHECK WARNING • The repair, calibration, and servicing of the MICRO-TEMP LT should be performed by qualified Medical Equipment Service Technicians, Certified Biomedical Electronics Technicians, or Certified Clinical Engineers familiar with good repair practices for servicing medical devices, and in accordance with instructions contained in this manual.

  • Page 39: Power Failure Alarm Check

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL CAUTION • Always drain the MICRO-TEMP LT to a sanitary drain because bio-contaminants may be present in the unit’s water supply. Twist off reservoir cap. Turn unit upside down and pour water into sanitary drain until the water level is to the bottom of the sight window.

  • Page 40: Tilt Switch Alarm Check

    MAINTENANCE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 4-13. TILT SWITCH ALARM CHECK WARNING • The repair, calibration, and servicing of the MICRO-TEMP LT should be performed by qualified Medical Equipment Service Technicians, Certified Biomedical Electronics Technicians, or Certified Clinical Engineers familiar with good repair practices for servicing medical devices, and in accordance with instructions contained in this manual.

  • Page 41: Section 5. Field Repair/Service Of The Micro-Temp Lt Unit

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL SECTION 5. FIELD REPAIR/SERVICE OF THE MICRO-TEMP LT UNIT WARNING • Always unplug the unit before accessing internal components during service. Failure to unplug the unit could result in electric shock. •...

  • Page 42: Figure 5-1. Micro-Temp Lt Unit - Exposed Rear View

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Figures (5-1), (6-1), (6-3), and (6-5) highlight the interior components of the MICRO-TEMP LT unit. The internal components referenced in Figure (5-1) are as follows: A. Water Temperature Sensor B. Heater C.

  • Page 43: Access To The Interior Of The Micro-Temp Lt Unit

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 5-2. ACCESS TO THE INTERIOR OF THE MICRO-TEMP LT UNIT All internal operating components are readily accessible by separating the front and rear enclosure. NOTE: DRAIN THE RESERVOIR AND DISCONNECT THE POWER CORD FROM THE POWER SOURCE BEFORE REMOVING ANY PART FROM THE UNIT.

  • Page 44: 5-2.3. Disconnecting The Cables From The Control Board

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 5-2.3. DISCONNECTING THE CABLES FROM THE CONTROL BOARD WARNING • Always unplug the unit before accessing internal components during service. Failure to unplug the unit could result in electric shock. •...

  • Page 45: Replacement Of The Heater

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Where white ribbon cable attaches to display board, pull out the tabs on the side of the connector. Pull white ribbon cable out of connector. 5-3. REPLACEMENT OF THE HEATER WARNING •...

  • Page 46: Replacement Of The Pump

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Insert and lock the 2 white wires from the heater into the 2 open slots on the 6- position connector (position number 3 and 5). Insert and reposition reservoir back into rear enclosure. Tighten hose clamp on the connecting hose between the reservoir outlet and the pump inlet.

  • Page 47: Replacement Of The Reservoir

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Disconnect elbow from pump outlet. Disconnect white and black pump lead wires. Unscrew all four 8-32” Phillips head pump mounting screws from base. Remove pump (with brackets and connecting hose between pump and reservoir still attached) from enclosure.

  • Page 48: Replacement Of The Twin Black Tubing

    Place the black rubber skirt that was set aside in Step H, around the new reservoirs water fill opening, just underneath the threads. Refill the reservoir as described in Section (4-2.2). 5-6. REPLACEMENT OF THE TWIN BLACK TUBING Contact CSZ Technical Service. 5-7. REPLACEMENT OF THE WATER TEMPERATURE SENSOR (THERMISTOR) WARNING •...
  • Page 49 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Obtain replacement water temperature sensor. CAUTION • Always drain the MICRO-TEMP LT to a sanitary drain because bio-contaminants may be present in the unit’s water supply. Drain the reservoir as described in Section (4-2.1). Separate the front and rear enclosure as described in Section (5-2.1).

  • Page 50: Replacement Of The I/O Power Switch

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 5-8. REPLACEMENT OF THE I/O POWER SWITCH WARNING • Always unplug the unit before accessing internal components during service. Failure to unplug the unit could result in electric shock. • For continued protection against risk of fire, replace only with same type and rating of fuse.

  • Page 51: Replacement Of Fuses In The I/O Power Switch

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Insert replacement switch with attached cables into rear enclosure. Using 7mm nut driver, secure screws with two kepnuts on the inside of the rear enclosure. Reattach two white heater wires to red 6-position connector. Reconnect power switch cables to control board.

  • Page 52: Replacement Of The Water Level Sensor Assembly

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Close power switch tab. 5-10. REPLACEMENT OF THE WATER LEVEL SENSOR ASSEMBLY WARNING • Always unplug the unit before accessing internal components during service. Failure to unplug the unit could result in electric shock. Obtain a replacement water level sensor.
  • Page 53 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL WARNING • Always unplug the unit before accessing internal components during service. Failure to unplug the unit could result in electric shock. • Working with electronic boards, plugs, and cables requires delicate handling. Proper Electrostatic Discharge procedure should be followed during replacement of any electronic board.
  • Page 54 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Using 7 mm nut driver, remove plastic nut, nylon locknut, internal tooth washer and ground wire from display board. Pull out display board. Install new display board. Reinstall the left side of the board with internal tooth washer, ground wire, and nylon locknut.

  • Page 55: Troubleshooting Guide

    FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Reinstall the left side of the board with internal tooth washer, ground wire, and nylon locknut. Secure right side of board with plastic nut. Reinstall control board. Secure control board to front enclosure with seven 6-32” Phillips head screws. Note: Insert the short screw into the hole at the bottom right of the control board (near the J6 Position of the board).
  • Page 56 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM Turn off unit. Replace/ Repair the water level Water level sensor fault. sensor. Refer to Section (5-9). Turn off unit. Replace Control board failure.
  • Page 57 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM Blue ribbon cable Correct connection to the disconnected from control board. Refer to control board. Section (5-2.3). E. Press a button and nothing happens.
  • Page 58 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM Temperature readout Unit has reached high limit. indicates 111˚F / 44˚C or Turn unit off and allow unit higher. to cool. Service required. Power failure.
  • Page 59 FIELD REPAIR/SERVICE MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM Turn OFF unit and make repairs based on the Water level sensor fault. display message. Refer to Section (3-5). Power failure. Restore power to the unit.

  • Page 60: Section 6. Parts Information

    Section (6-3) outlines the recommended replacement parts inventory. It is strongly recommended that all parts be replaced with parts purchased from CSZ or CSZ International GmbH. Use of other parts could void the warranty on the unit and possibly damage the unit.

  • Page 61: Returning Parts Under Warranty

    PARTS INFORMATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL 6-4. RETURNING PARTS UNDER WARRANTY All parts are covered by a one year warranty. To replace parts during the warranty period, send the part prepaid to: Cincinnati Sub-Zero Products, Inc. 12011 Mosteller Road Cincinnati, Ohio 45241 Tel: (513) 772-8810...

  • Page 62: Figure 6-1. Micro-Temp Lt Unit - Internal Exploded - Front View

    PARTS INFORMATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 6-1. MICRO-TEMP LT INTERNAL EXPLODED - FRONT VIEW INDEX NUMBER I.D. NUMBER DESCRIPTION 78057 Membrane Control Panel LT (100/115V) 78058 Membrane Control Panel (230/240V) 91090 Pump (100V) 91091 Pump (115V) 91092 Pump (230/240V) 70817...

  • Page 63: Figure 6-3. Micro-Temp Lt - Internal Exploded Rear View

    PARTS INFORMATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 6-3. MICRO-TEMP LT INTERNAL EXPLODED - REAR VIEW INDEX NUMBER I.D. NUMBER DESCRIPTION 28352 Display Board Ribbon Cable 78043 Front Enclosure 78032 Display Board 23026 Pump Mounting Bracket 78039 Control Board 65150 Power Switch...

  • Page 64: Figure 6-5. Micro-Temp Lt Unit - Reservoir - Side View

    PARTS INFORMATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 6-5. RESERVOIR – SIDE VIEW INDEX NUMBER I.D. NUMBER DESCRIPTION 62491 Reservoir Cap 62490 Reservoir 65149 Water Level Sensor 62492 Heater Plate Cap 91090 Heater (100V) 91091 Heater (115V) 91092 Heater (230/240V) 62494...

  • Page 65: Figure 6-7.A Electrical Wiring Diagrams - 100V & 115V

    PARTS INFORMATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 6-7.A. MICRO-TEMP LT ELECTRICAL WIRING DIAGRAM – 100V & 115V...

  • Page 66: Figure 6-7.B Electrical Wiring Diagram - 230/240V

    PARTS INFORMATION MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL FIGURE 6-7.B. MICRO-TEMP LT ELECTRICAL WIRING DIAGRAM – 230/240V...

  • Page 67: Figure 6-8. Micro-Temp Lt Accessories

    91506 Floor Stand with Lock 79720 Dual Pad Connecting Hose 79719 Connecting Hose (CSZ Thermal Pad to Baxter K-Module) 79724 Quick-Connect Couplings (Adapts Gaymar T-Pump Hose to CSZ Thermal Pad) 86173 TF100 Dual-Matic (Temperature Tester, Flow Meter) FIGURE 6-8. MICRO-TEMP LT SYSTEM ACCESSORIES...

  • Page 68: Section 7. Specifications And Certifications Of The Micro-Temp Lt

    SPECIFICATIONS AND CERTIFICATIONS MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL SECTION 7. SPECIFICATIONS AND CERTIFICATIONS OF THE MICRO- TEMP LT MICRO-TEMP LT MODEL 749 FEATURES CLASSIFICATION SAFETY SYSTEM Equipment is Class I. Maximum High Control Setting: 42° C (107° F) Equipment is Type B.
  • Page 69 Water Temp. Display Range: WARRANTY Water Temp.: 20° C - 44° C (68° F – 111° F) 1 yr. parts (Parts and Labor if returned to CSZ) Temp. Settings: Water Temp.: 1° C (2° F) CERTIFICATIONS MODEL 749 MEDICAL ELECTRICAL...
  • Page 70 SPECIFICATIONS AND CERTIFICATIONS MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL The following tables are presented in fulfillment of the requirements of IEC 60601-1-2 Guidance and manufacturer’s declaration – electromagnetic emissions The Micro-Temp LT, Model 749 is intended for use in the electromagnetic environment specified below. The customer or the user of the Micro-Temp LT, Model 749 should assure that it is used in such an environment.
  • Page 71 SPECIFICATIONS AND CERTIFICATIONS MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Guidance and manufacturer’s declaration – electromagnetic immunity The Micro-Temp LT, Model 749 is intended for use in the electromagnetic environment specified below. The customer or the user of the Micro-Temp LT, Model 749 should assure that it is used in such an environment. Immunity test IEC 60601 test level Compliance level...
  • Page 72 SPECIFICATIONS AND CERTIFICATIONS MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Recommended separation distances between portable and mobile RF communications equipment and the Micro-Temp LT, Model 749 The Micro-Temp LT, Model 749 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the Micro-Temp LT, Model 749 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the Micro-Temp LT, Model 749 as recommended below, according to the maximum output power of the communications equipment.
  • Page 73 SPECIFICATIONS AND CERTIFICATIONS MICRO-TEMP LT, Model 749 OPERATION AND TECHNICAL MANUAL Cincinnati Sub-Zero Products, Inc. 12011 Mosteller Road Cincinnati, OH 45241 Telephone: (513) 772-8810 Fax: (513) 772-9119 E-Mail: cszinc@cszinc.com...

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