CSZ Blanketrol_ii Operation And Technical Manual
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CSZ Blanketrol_ii Operation And Technical Manual

Hyper-hypothermia units
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Operation and Technical Manual
Model 222R Hyper-Hypothermia 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
I

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  • Page 1 ® ® ® ® Operation and Technical Manual Model 222R Hyper-Hypothermia 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: Symbols

    Symbols Equipotential Stop - Repair Temperature Set Ground Water Temperature Increasing Temperature Silence Alarm Caution: Read Operation Temp. Set Point Decreasing Temperature Instructions and Indicator Manual Before Operating Patient Automatic Control Manual Control Temperature Risk of Explosion: Do not use in the Disconnect Power Change Water Presence of...
  • Page 3 ® BLANKETROL OPERATION/TECHNICAL MANUAL Cincinnati Sub-Zero Products, Inc., reserves the right to make equipment changes and improvements, which may not be reflected in this manual. CAUTION Federal law restricts this device to use only on the order of a physician. DANGER •...
  • Page 4 CAUTION • Use distilled water only. Do Not Use De-Ionized water. • Do not use alcohol. Alcohol may cause blanket deterioration. • Do not overfill. Overfilling may result in overflow when the water in the blanket drains back into the system when the system is turned off. DANGER •...
  • Page 5 The area between the patient and the blanket should be kept dry to avoid injury to patient. • Use only 400 Series, or equivalent, probes on CSZ equipment. Failure to do this will cause incorrect temperature readings. © Copyright 1982, Cincinnati Sub-Zero Products, Inc. All rights reserved.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS SYMBOLS..................................II 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.
  • Page 7 4-5. MAINTENANCE OF THE BLANKETROL II EXTERIOR..............45 4-6. MAINTENANCE OF THE HYPER-HYPOTHERMIA BLANKETS ............45 4.6.1 PLASTIPAD REUSABLE BLANKET ....................... 45 4-6.2. MAXI-THERM , MAXI-THERM LITE, and TEMP-PAD (DISPOSABLE) HYPER-HYPOTHERMIA BLANKETS................................46 4-7. MAINTENANCE OF REUSABLE THERMISTOR PROBES ..............46 SECTION 5.
  • Page 8 ILLUSTRATIONS/SCHEDULES/PARTS LISTS Figure 1-1 BLANKETROL II Unit - Front View............5 Figure 1-2 BLANKETROL II Unit - Right Side View ..........7 Figure 1-3 BLANKETROL II Unit - Rear View ............9 Figure 1-4.A. BLANKETROL II Unit - Control Panel ..........11 Figure 1-4.B.

  • Page 9: Technical Help

    TECHNICAL HELP United States and Canada Telephone 1-513-772-8810 Cincinnati Sub-Zero Products, Inc. Toll Free 1-800-989-7373 12011 Mosteller Road 1-513-772-9119 Cincinnati, OH 45241 AUTHORIZED EUROPEAN REPRESENTATIVE: CEpartner4U Telephone + 31 (0) 6-516.536.26 Esdoorlnaan 13, 3951 DB Maarn. The Netherlands BEFORE YOU CALL FOR SERVICE... To help us better serve you, please have the serial number of your BLANKETROL II unit ready when you call for parts or service.

  • Page 10: Section 1. Introduction

    1-1. GENERAL DESCRIPTION OF THIS MANUAL This manual describes the operation, maintenance, and service of the CSZ BLANKETROL II hyper-hypothermia system. Section One describes the physical and functional characteristics of the BLANKETROL II System. Section Two describes how to prepare the BLANKETROL II unit for general use.

  • Page 11: General Description Of The Blanketrol Ii System

    1-2. GENERAL DESCRIPTION OF THE BLANKETROL II SYSTEM The CSZ BLANKETROL II (Model 222R) Hyper-Hypothermia System is used to lower or to raise a patient's temperature and/or maintain a desired patient temperature through conductive heat transfer. The CSZ BLANKETROL II unit is composed of a heater, a compressor, a circulating pump, and a microprocessor.

  • Page 12: 1-4.1. External Features - Front View

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL 1-4.1. EXTERNAL FEATURES - FRONT VIEW The external features in Figure (1-1) of the BLANKETROL II unit are described as follows: The control panel is composed of pressure sensitive touch switches and four LED displays.

  • Page 13: Figure 1-1 Blanketrol Ii Unit - Front View

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL FIGURE 1-1. BLANKETROL II, FRONT VIEW...

  • Page 14: 1-4.2. External Features - Right Side View

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL 1-4.2. EXTERNAL FEATURES - RIGHT SIDE VIEW The external features in Figure (1-2) of the BLANKETROL II unit are described as follows: The water flow indicator is a paddle wheel immersed in the path of the circulating water with a window to the outside.

  • Page 15: Figure 1-2 Blanketrol Ii Unit - Right Side View

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL FIGURE 1-2 BLANKETROL II, RIGHT SIDE VIEW...

  • Page 16: 1-4.3. External Features - Rear View

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL 1-4.3. EXTERNAL FEATURES - REAR VIEW The external features in Figure (1-3) of the BLANKETROL II unit are described as follows: The specification label outlines the BLANKETROL II unit's electrical requirements. The maintenance label outlines the periodic checks for the BLANKETROL II unit. Two air vents provide air circulation for the microprocessor.

  • Page 17: Figure 1-3 Blanketrol Ii Unit - Rear View

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL FIGURE 1-3, BLANKETROL II, REAR VIEW...

  • Page 18: 1-4.4. Expanded Description Of The Blanketrol Ii Control Panel

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL 1-4.4. EXPANDED DESCRIPTION OF THE BLANKETROL II CONTROL PANEL The control panel as shown in Figure 1-4.A for 100/115 Volt and 1-4.B for 230/240 Volt is composed of pressure sensitive touch switches and LED displays. The control panel is divided into the following Sections: The digital display labeled BLANKET/WATER shows the actual temperature of the circulating water.

  • Page 19: Figure 1-4.A. Blanketrol Ii Unit - Control Panel

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL FIGURE 1-4.A., BLANKETROL II, CONTROL PANEL, 115 VAC UNITS FIGURE 1-4.B., BLANKETROL II, CONTROL PANEL, 230-240 VAC UNITS...

  • Page 20: Required Accessories

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL 1-5. REQUIRED ACCESSORIES Operation of the BLANKETROL II unit requires the use of the blanket(s) designed to circulate warm or cool distilled water, a connecting hose with quick-disconnect male and female couplings, and a 400 Series thermistor probe (if Automatic Control Mode is to be utilized). BLANKETROL II System Equipment and accessories are listed in on the last page of this manual.

  • Page 21: 1-6.2. Cooling System

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL The heating system is operational in the Manual Control or Automatic Control Modes whenever the control system calls for an increase in the temperature of the circulating water. It is important to note that the rate of change in the circulating water temperature is not directly proportional to the rate of change in the temperature of the patient.
  • Page 22 INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL water in order to maintain the setpoint temperature. The unit is designed not to exceed or fall below the desired temperature. As a safety precaution, the BLANKETROL II unit has three high temperature safety devices and three low temperature safety devices.

  • Page 23: Specifications Of The Blanketrol Ii Unit

    INTRODUCTION BLANKETROL II, 222R OPERATION MANUAL 1-7. SPECIFICATIONS OF THE BLANKETROL II UNIT BLANKETROL II MODEL 222 FEATURES PHYSICAL SAFETY SYSTEM Dimensions: 17"W x 17"D x 37.5"H Maximum High Control Setting: (43.18cm.W x 43.18 107.6° F (42° C) cm. D x 95.25cm.H) Primary Safety: 112°...

  • Page 24: Blanketrol Ii Certifications

    1° F ( ± .5° C) ± Water Temp. .5° F ( ± .25° C) ± Patient Temp. WARRANTY 2 yr. parts (Labor if returned to CSZ) 1-8. BLANKETROL II CERTIFICATIONS AuthorizedEuropeanRepresentative CEpartner4U Esdoornlaan 13 In Compliance with 3951 DB Maarn...

  • Page 25: Section 2. General Preparation Of The Blanketrol Ii

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL SECTION 2. GENERAL PREPARATION OF THE BLANKETROL II SYSTEM 2-1. INTRODUCTION This section describes the procedures to prepare the BLANKETROL II unit for general use. This entails unpacking the shipment, arranging all the equipment for the first time, and completing a test routine.

  • Page 26: 2-3.1. Inspecting And Arranging The Equipment

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 2-3.1. INSPECTING AND ARRANGING THE EQUIPMENT Place the BLANKETROL II unit in an uncluttered work space that is accessible to the correct power source and meets acceptable ambient temperature specifications. Position the unit so that the control panel faces the operator. If the unit was shipped on its side, permit the unit to rest in an upright position before operating due to refrigeration oil displacement.

  • Page 27: 2-3.2. Completing A System Test Routine

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Insert the 3-prong plug for 100/115 VAC units (appropriate ground plug for 230/240 VAC units) into a properly grounded hospital grade receptacle. WARNING DO NOT BY-PASS THE GROUND PLUG. ELECTRICAL HAZARDS MAY RESULT. 2-3.2.
  • Page 28 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Press the MONITOR ONLY switch. The microprocessor board beeps. The LED in the corner of the switch lights up. Celsius/Fahrenheit indicator is lit. The Status display shows MONITOR. The Setpoint display is blank. For this test routine, the Patient display is blank because the probe is not inserted in the probe jack.
  • Page 29 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL The microprocessor board beeps. The LED in the corner of the switch lights up. The amber arrow left of the Setpoint display goes out. The Blanket/Water display goes blank. The Celsius/Fahrenheit indicator is lit. The Status display shows SET TEMP.
  • Page 30 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Press the TEMP SET switch. The microprocessor board beeps. The LED in the corner of the switch lights up. The Setpoint display shows a temperature reading. The Status display shows SET TEMP. Press the Up arrow or the Down arrow so that the Setpoint display shows a number less than 30°...

  • Page 31: Unit And Patient Related Precautions

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL The green light of the power switch goes out. If the power switch is set to the “ON” position again without having unplugged the unit and the Temp Set switch is pressed; the Setpoint display shows the temperature that was on the display prior to the operator turning the unit off.

  • Page 32: Patient Preparation And Bedside Care

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL A. Test for leakage current prior to general floor use. See Section (5-18). B. Any time a repair is made, make sure that the power cord is disconnected from the power source before disassembly. C.
  • Page 33 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL The position and the placement of the probe should be inspected regularly. Also, the BLANKETROL II unit activates an alarm when the patient probe registers outside the range of 30° C - 43.5° C (86° F - 110° F). Level of consciousness, strength of extremities, changes in cardiac rate, changes in cardiac rhythms, pupil size, and response should be observed and recorded.

  • Page 34: Section 3. Operating The Blanketrol Ii Unit

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL SECTION 3. OPERATING THE BLANKETROL II UNIT 3-1. INTRODUCTION This section describes how to operate the BLANKETROL II unit in order to control your patient's temperature. First, collect the equipment and prepare the patient. Second, decide which mode of operation to use.
  • Page 35 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL WARNING DO NOT BY-PASS THE GROUND PLUG; ELECTRICAL HAZARDS MAY RESULT. Lay the hyper-hypothermia blanket flat with the hose routed, without kinks, towards the unit. If the blanket is already filled, check that there are no leaks. Cover the blanket with a dry sheet or bath blanket (if using PASTI-PAD, MAXI- THERM, or TEMP-PAD Blanket).

  • Page 36: Operating The Blanketrol Ii Unit In Automatic Control Mode

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Connect the top blanket to the BLANKETROL II unit following the procedure described in Section (2-3.1.) Step (H). If no top hyper-hypothermia blanket is used, cover the patient with a top sheet and/or blanket.
  • Page 37 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Press the Up arrow or Down arrow to change the SETPOINT display to the desired patient temperature. The display can only be set between 30° C -40° C (86° F - 104° F). The microprocessor board beeps.

  • Page 38: Operating The Blanketrol Ii Unit In Manual Control Mode

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL NOTE: IN ORDER TO CHANGE FROM AUTOMATIC CONTROL MODE TO MANUAL CONTROL MODE, FIRST PRESS THE TEMP SET SWITCH AND THEN PROCEED TO MANUAL CONTROL MODE. In order to change from Automatic Control Mode to Monitor Only Mode, simply press the Monitor Only switch.
  • Page 39 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL The LED the corner of the switch lights up. The SETPOINT display shows a temperature reading. The Status display shows SET TEMP. Press the Up arrow or Down arrow to change the SETPOINT display to the desired Blanket/Water temperature.

  • Page 40: Operating The Blanketrol Ii Unit In Manual Control Mode With The Addition Of The Patient Probe

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL If at any time the Status display shows a message other than the messages described in Manual Control procedures, make the changes indicated by the display and/or consult the list of display messages in Section (3-8.). If at any time the unit sounds an alarm and the Status display flashes a message, make the changes as indicated.

  • Page 41: Operating The Blanketrol Ii Unit In Monitor Only Mode

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Control Mode to Monitor Only Mode, simply press the Monitor In order to change from Manual Only switch. WARNING IF AT ALL POSSIBLE, REMOVE THE PROBE FROM PATIENT CONTACT BEFORE ACTIVATING AN ELECTROSURGICAL UNIT. THE RF INTERFERENCE MAY CAUSE THE PATIENT TEMPERATURE DISPLAY TO MOVE UP AND DOWN AND CYCLE THE UNIT FROM COOLING TO HEATING OR VICE VERSA.

  • Page 42: Concluding Hyper-Hypothermia Treatment

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Press the MONITOR ONLY switch. The microprocessor board beeps. The LED in the corner of the switch lights up. The Status display shows MONITOR. The Patient display shows the patient's temperature. The SETPOINT display goes blank. To make any changes in the control settings, press the TEMP SET switch and begin again.

  • Page 43: Status Display Messages

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Permit the blanket(s) and hose to remain connected to the unit for about ten minutes. This allows some of the water to drain back into the unit. Remove the probe from the patient and probe jack. Maintenance of the REUSABLE probe is described in Section (4-7.).
  • Page 44 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL (86° F - 104° F). The unit will not permit the opera tor to proceed to Automatic Control Mode operations until the SETPOINT is checked. To do so, the operator must press the TEMP SET switch and check/change the SETPOINT display.
  • Page 45 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL MONITOR: This message occurs when the unit is operating in the Monitor Only Mode. The unit does not heat, cool, or circulate water. SENSOR: This message occurs when the water temperature sensor malfunctions. The message flashes, the alarm sounds, the unit shuts down, and the REMOVE FROM SERVICE indicator lights up.

  • Page 46: Section 4. General Maintenance Of The Blanketrol Ii System

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL SECTION 4. GENERAL MAINTENANCE OF THE BLANKETROL II SYSTEM 4-1. INTRODUCTION This section describes the general requirements maintenance personnel should complete on a regular basis so that the BLANKETROL II System continues to operate within the manufacturers’ allowable tolerances.

  • Page 47: 4-1.1 Test Equipment Required

    4-1.1 TEST EQUIPMENT REQUIRED The following test equipment is required to perform the preventive maintenance/functional check- out procedures: • CSZ's model TFR (Temperature Tester, Flow Meter, Resistance Tester) - Need Probe Extension Cable #TM-4A - Need Hose Assembly #TM-6 •...

  • Page 48: Figure 4-2 Maintenance Checklist

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL SUGGESTED PREVENTIVE MAINTENANCE CHECKLIST (At Least Quarterly) BLANKETROL II - Model 222R Serial Number Hospital I.D. No. Check When Completed External cabinet in good condition. (No unusual dents or missing parts) All labels properly affixed. Quick disconnect coupling are tight, straight, and not leaking.

  • Page 49: Maintenance Of The Water Reservoir

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 4-2. MAINTENANCE OF THE WATER RESERVOIR The dual compartment reservoir holds approximately 2 gallons (7.5 liters) of distilled water that remains in the unit between periods of use. Once a month the water reservoir should be drained and replenished.
  • Page 50 GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL If unit is to be returned to service, once no bleach is detected, add the appropriate amount of U.S.P. Grade Propylene Glycol to the water reservoir per the following chart: UNIT U.S.P. Grade Propylene Glycol Per Unit Blanketrol 222R 16 ounces (500cc) Continue to fill the water reservoir with distilled water.

  • Page 51: 4-2.1. Draining The Reservoir

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 4-2.1. DRAINING THE RESERVOIR Collect these items: An empty container to drain the water into that can hold at least 3 gallons (11.4 liters). The drain hose with a female quick-disconnect coupling usually found in the storage drawer of the unit.

  • Page 52: Maintenance Of The Water Filter

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Check that the drain hose is disconnected. Lift the water fill opening lid and gradually pour approximately 2 gallons (7½ liters) of distilled water (or the distilled water-bacteriostatic preparation described in Section (4-2.) into the reservoir (DO NOT USE ALCOHOL, TAP WATER, OR DE-IONIZED WATER).

  • Page 53: Maintenance Of The Condenser And Grille

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 4-4. MAINTENANCE OF THE CONDENSER AND GRILLE Quarterly the grille and the fins of the condenser should be cleaned to remove any accumulated dust and lint. To clean the condenser and grille: Remove the grille. Using a brush or a vacuum, dust both sides of the front panel grille.

  • Page 54: 4-6.2. Maxi-Therm , Maxi-Therm Lite, And Temp-Pad (Disposable) Hyper-Hypothermia Blankets

    GENERAL MAINTENANCE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL PLASTIPAD blankets can be patch repaired if the blanket is punctured and begins to leak. A PLASTIPAD Patch Kit with instructions is available at no charge upon request. To store PLASTIPAD blankets, loosely coil the hose lengthwise into the center of the blanket. Fold the blanket lengthwise into the center, 1/3 from the left side and 1/3 from the right side.

  • Page 55: Section 5. Field Repair/Service Of The Blanketrol Ii Unit

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL SECTION 5. FIELD REPAIR/SERVICE OF THE BLANKETROL II UNIT CAUTION BE SURE THAT THE UNIT IS UNPLUGGED FROM THE POWER SOURCE Complete the applicable parts of the First Time Set-Up/System Test Routine described in Section (2-3.) to determine that the unit is operating.
  • Page 56 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL H. Filter drier Refrigeration solenoid valve J. Starting capacitor K. Refrigeration sight glass L. Condenser fan blade M. Hot gas by-pass valve N. Transformer circuit breaker O. Electrical box P. Water filter assembly Q.

  • Page 57: Figure 5-1 Blanketrol Ii Unit - Exposed Rear View

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 5-1 BLANKETROL II EXPOSED REAR VIEW...

  • Page 58: Access To The Interior Of The Blanketrol Ii Unit

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-2. ACCESS TO THE INTERIOR OF THE BLANKETROL II UNIT All internal operating components are readily accessible by either removing the rear enclosure panel, removing the top of the unit, or extending the front storage drawer. NOTE: DRAIN THE RESERVOIR AND DISCONNECT THE POWER CORD FROM THE POWER SOURCE BEFORE REMOVING ANY PART FROM THE UNIT.

  • Page 59: 5-2.3. Removing The Top Of The Unit

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-2.3. REMOVING THE TOP OF THE UNIT CAUTION Working with electronic boards, plugs, and cables require delicate handling. Proper Electro Static Discharge, (ESD), handling procedures should be followed during replacement of any electronic board. It is recommended that this section be read in its entirety before removing the power supply board, and/or the microprocessor board, and/or the control panel.

  • Page 60: 5-2.4 Disconnecting The Cables From The Power Supply Board

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-2.4 DISCONNECTING THE CABLES FROM THE POWER SUPPLY BOARD CAUTION BE SURE THAT THE UNIT IS UNPLUGGED FROM THE POWER SOURCE Locate the 24-pin dip socket on the power supply board where the 24 pin ribbon cable is attached.

  • Page 61: 5-2.6. Extending The Front Storage Drawer

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Locate the 24-pin dip socket on the microprocessor board where the 24-pin ribbon cable is attached. Disconnect the 24-pin ribbon cable by inserting a small flat edge screwdriver between it and the 24-pin dip socket. The male plug disconnects from the female socket.

  • Page 62: Replacement Of The Water Filter Assembly

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Replace the rear enclosure panel as described in Section (5-2.2.). Refill the reservoir as described in Section (4-2.2). 5-4. REPLACEMENT OF THE WATER FILTER ASSEMBLY Obtain a replacement water filter assembly. Drain the reservoir as described in Section (4-2.1.). CAUTION BE SURE THAT THE UNIT IS UNPLUGGED FROM THE POWER SOURCE Remove the rear enclosure panel as described in Section (5-2.1.).

  • Page 63: Replacement Of The Pump Motor

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Disconnect the hose at the inlet of the pump housing by loosening the screw clamp. Be careful: there may be water in the hose. Disconnect the hose at the outlet of the pump housing by loosening the screw clamp near the top of the white pump housing.

  • Page 64: Replacement Of The Water Temperature Sensor

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Using a 7/16" wrench, remove the bolts securing the pump motor to the divider pan in the unit. The bolts are accessible from the front of the unit if the front storage drawer is extended. Catch each nut from the underside of the divider pan as each bolt is loosened.

  • Page 65: Replacement Of The Upper And/Or Lower Water Manifolds

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Locate the water temperature sensor in the end of lower water manifold and 4-wire connector on the left side of the back of the unit as shown in Figure (5-1-B). Disconnect the water temperature sensor by pulling apart the plug. Using a 7/16"...
  • Page 66 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Using a 9/16" wrench, unscrew and remove the three male Hansen fittings from the outside of the unit. Disconnect the by-pass line from the reservoir. Remove the clamp from the clear plastic bypass line and disconnect the by-pass line. Carefully work the lower manifold from the holes on the side of the unit and withdraw it from the back of the unit.

  • Page 67: Replacement Of The Compressor Starting Capacitor, The

    5-9. REPLACEMENT OF THE COMPRESSOR STARTING CAPACITOR, THE OVERLOAD PROTECTOR, AND/OR THE COMPRESSOR RELAY NOTE: For replacement of these parts call CSZ Technical Service. 5-10. REPLACEMENT OF THE THERMAL DISC FOR THE TEMPERATURE SAFETY DEVICE Obtain a replacement thermal disc.
  • Page 68 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Locate the water flow indicator assembly (number 15 in Figure 6-2) attached to the right side (front view) wall, the connecting hose at its top and the connecting hose at its bottom. Disconnect the hose at the top of the water flow indicator by loosening the screw clamp.

  • Page 69: Replacement Of The On/Off Power Switch

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-12. REPLACEMENT OF THE ON/OFF POWER SWITCH Obtain the replacement ON/OFF power switch. Extend the front storage drawer as described in Section (5-2.7.). Locate the square ON/OFF power switch on the left side of the front panel of the unit.

  • Page 70: Replacement Of A Three Pole Power Relay

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-14. REPLACEMENT OF A THREE POLE POWER RELAY Obtain a replacement 3-pole power relay. Remove the top of the unit. Disconnect the cables from the power supply board as described in Section (5-2.3.). Locate the power relay to be replaced.

  • Page 71: Replacement Of The Power Supply Board

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Reconnect the white 2-pin connector. Replace the top of the unit as described in Section (5-2.6.). Refill the reservoir as described in Section (4-2.2.). 5-16. REPLACEMENT OF THE POWER SUPPLY BOARD CAUTION Working with electronic boards, plugs, and cables require delicate handling. Proper Electro Static Discharge, (ESD), handling procedures should be followed during replacement of any electronic board.

  • Page 72: Replacement Of The Microprocessor Board And/Or The Control Panel

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-17. REPLACEMENT OF THE MICROPROCESSOR BOARD AND/OR THE CONTROL PANEL CAUTION Working with electronic boards, plugs, and cables require delicate handling. Proper Electro Static Discharge, (ESD), handling procedures should be followed during replacement of any electronic board. It is recommended that this section be read first before removing the microprocessor board and/or the control panel.

  • Page 73: Leakage Current

    Leakage Current, the cause should be investigated and individual components of the unit must be electrically isolated and measured. All readings may be affected by the age of the components, ambient temperature, and humidity. Contact the CSZ Service Department.

  • Page 74: 5-18.3 Taking Measurements In Reverse Polarity

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Press the TEMP SET Switch. Press the DOWN arrow so the SETPOINT is a low number. Press the MANUAL CONTROL switch. The Status display must show COOLING. Set the BLANKETROL II unit so that it is HEATING and record the Leakage Current. To set the unit in the heating cycle: Press the power switch to the ON position.

  • Page 75: Low Limit Safeties Check

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-20. LOW LIMIT SAFETIES CHECK Remove the (4) capped screws and lift the top carefully. (DO NOT DISCONNECT ANY WIRES.) Remove the white/yellow wire from the rear (upper) terminal of the 3 pole (K-4) relay socket.
  • Page 76 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-21. HIGH LIMIT SAFETIES CHECK Remove the four capped screws and lift the top carefully. (DO NOT DISCONNECT ANY WIRES.) Remove the 3 pole relay (K-4) from the socket. It is located to the right of the power supply board.
  • Page 77 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL The unit will stay in the HI LIMIT condition until the thermostat automatically resets itself. Draining the unit and/or replenishing it with cold water will speed the reset of the thermostat. DANGER The repair, calibration, and servicing of the BLANKETROL II 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...

  • Page 78: Troubleshooting Guide

    FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM A. The power switch of Unit is unplugged Check that the power the BLANKETROL II cord (3-prong plug for unit is set "ON" but 115/100 VAC units and does not light, control appropriate ground plug...
  • Page 79 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM C. (Cont’d) All three cables Reconnect the 10-pin, 10- from the unit to and 6-pin connectors. the power board See Section 5-16. are disconnected. Reconnect the 10-pin The 10-pin cable cable.
  • Page 80 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM G. The unit in "ON". The The membrane Replace Control Panel. unit alarm sounds switch has failed See Section 5-17. and the Status unless the REMOVE FROM display reads CK...
  • Page 81 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM I. Unit is "ON". When Microprocessor board Replace microprocessor the TEST malfunctions. board. See Section 5-17. INDICATOR is pressed, the displays across the panel show an atypical pattern display, e.g.
  • Page 82 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM K. The probe from the LED has failed. See Observation H. patient is inserted but when operating in Other than a 400 Replace with the correct Manual or Monitor Series probe was 400 Series probe.
  • Page 83 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM M. (Cont’d) Microprocessor Replace the board is defective. microprocessor board. See Section 5-17. N. The unit is operating Water Replace water in Automatic or temperature temperature sensor.
  • Page 84 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM Q. Unit is operating in The back-up High Automatic or Manual Limit Safety device is mode, the Status triggered which shuts display flashes HI down the unit when LIMIT and REMOVE the circulating water...
  • Page 85 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM R. (Cont’d) Defective power board Replace power supply board. See Section 5-16. S. Unit operating in Water temperature Replace water Automatic or Manual sensor is defective temperature sensor.
  • Page 86 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE PROBLEM ACTION TO BE TAKEN W. Unit is set to operate Operator error; Correctly set switches. in Automatic or switches not set See Section 3. Manual mode; the correctly.
  • Page 87 Check sight glass. Check running but not for leak. Recharge cooling. system. See Section 5-19. Check solenoid valve. (Tasks to be done by a Contact CSZ qualified refrigeration service. technician.) Compressor not Check for voltage to running compressor: Contact CSZ a.
  • Page 88 FIELD REPAIR/SERVICE BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 5-22. TROUBLESHOOTING GUIDE OBSERVATION POSSIBLE ACTION TO BE TAKEN PROBLEM Y. Unit is set to operate Defective 3-pole Replace 3-pole power in Automatic or power relay. relay. See Section 5-14. Manual mode. Unit status reads cooling but the compressor doesn't run.

  • Page 89: 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 The Surgical Company in Europe. Use of other parts could void the warranty on the unit and possibly damage the unit.

  • Page 90: Returning Parts Under Warranty

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL 6-4. RETURNING PARTS UNDER WARRANTY All parts are covered by a two (2) year warranty. To replace parts during the warranty period*, send the part prepaid to: *Additional third year warranty available. *Service contracts available. Cincinnati Sub-Zero Products, Inc.

  • Page 91: Figure 6-1 Parts List A

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL INTERNAL EXPLODED - FRONT VIEW Index # I.D. # Description 52240 Reservoir Lid 56001 Hinge - Black Aluminum 56819 Membrane Switch Assembly (100/115V) 56818 Membrane Switch Assembly (230/240V) 65014 Probe Jack Assembly 40253 3-Pole Relay 39971 Power Supply Board...

  • Page 92: Figure 6-2 Blanketrol Ii Unit - Internal Exploded Front View

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-2 BLANKETROL II INTERNAL EXPLODED - FRONT VIEW...

  • Page 93: Figure 6-3 Parts List B

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL INTERNAL EXPLODED - REAR VIEW Index # I.D. # Description 51197 Top Assembly 06508 Top Support Frame 06428 Air Vent 3,4. 60151 Snap Cap and Screw 50149 Overflow Drain Hose Barb 60201 Drawer Stop - 8-32 x 1/2 60401 Shoulder Bolt 60615...
  • Page 94 PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL Index # I.D. # Description 91126 Heater - 800W - 100V/115V 91819 Heater - 800W - 230V 32.** 33.** 34.** 35.** 36.** 91626 Evaporator Coil Assy. 51410 Plastic Elbow 3/4" x 3/4” 17025 Capillary Tubing 51057 Reservoir Gasket...

  • Page 95: Figure 6-4 Blanketrol Ii Unit - Internal Exploded Rear View

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE (6-4) BLANKETROL II INTERNAL EXPLODED - REAR VIEW...

  • Page 96: Figure 6-5 Electrical Wiring Diagram-115V

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-5. BLANKETROL II ELECTRICAL WIRING DIAGRAM 115 VOLT...

  • Page 97: Figure 6-5A Electrical Wiring Diagram-230V

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-5A. BLANKETROL II ELECTRICAL WIRING DIAGRAM 230 VOLT...

  • Page 98: Figure 6-5B Electrical Wiring Diagram-240V

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-5B. BLANKETROL II ELECTRICAL WIRING DIAGRAM 240 VOLT...

  • Page 99: Figure 6-5C Electrical Wiring Diagram-100V

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-5C. BLANKETROL II ELECTRICAL WIRING DIAGRAM 100 VOLT...

  • Page 100: Figure 6-10 Water Circulation Diagram

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-10. BLANKETROL II WATER CIRCULATION DIAGRAM...

  • Page 101: Figure 6-11 Refrigeration Flow Diagram

    PARTS INFORMATION BLANKETROL II, 222R OPERATION/TECHNICAL MANUAL FIGURE 6-11. - BLANKETROL II REFRIGERATION FLOW DIAGRAM...

  • Page 102: Figure 6-12 Blanketrol Ii System Equipment & Accessories

    Probe Extension Cord (10' Length) Disposable, Single-Patient Use Temperature Probes 491B STERI-PROBE, Single-Patient Use Rectal/Esophageal Probe 499B STERI-PROBE, Single-Patient Use Skin Probe Contents: 10/box, 10 boxes/case 4900B Reusable Connector Cable (for CSZ and Gaymar unit) FIGURE 6-12. - BLANKETROL II SYSTEM ACCESSORIES...
  • Page 103 Cincinnati Sub-Zero Products, Inc. 12011 Mosteller Road Cincinnati, OH 45241 Telephone: (513) 772-8810 Fax: (513) 772-9119 E-Mail: csz@cszinc.com...

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