Medivance Arctic Sun 2000 Service Manual Download Page 14 | Manualshive

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10

Model 2000 Hydraulic Schematic

Figure 2.1

Air Flow

Mixing

Pump

Heat

Exchanger

Chiller

Pump

Circulating

Pump

Main

Tank

Heater

Flow meter

Inlet/Outlet

Manifold

Vent Line

Bypass Line

Fill Line

Chiller

Level Sensors

Leveling

Line

T4

T1

T2

V V

B V

F V

Drain Ports

Filter

Chiller

Tank

Circ

Tank

T3

P1

Chiller Circuit

Circulating Circuit

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Summary of Contents for Arctic Sun 2000

Page 1: ...Arctic Sun Temperature Management System Model 2000 Service Manual Copyright Medivance Inc 2006...

Page 2: ......

Page 3: ...15 CHAPTER 4 MAINTENANCE 17 4 1 Recommended Maintenance Schedule 17 4 2 Clean External Surfaces 17 4 3 Adjust Remote Display Clamp 18 4 4 Inspect Connectors and Cables 18 4 5 Clean the Condenser 19 4...

Page 4: ...t Grill 62 7 3 Rear Panel 62 7 4 Side Panels 63 7 5 Card Cage 63 7 6 Power Circuit Card 65 7 7 Power Module 65 7 8 Processor Circuit Card 66 7 9 Isolation Circuit Card 66 7 10 Input Output Circuit Car...

Page 5: ...e guides and a bibliography of relevant materials are available to all Medivance customers 1 3 System Description The Arctic Sun Temperature Management System is a thermoregulatory device that monitor...

Page 6: ...U S 877 267 2314 or 303 926 1917 Fax 303 926 1924 Address 1172 Century Drive Suite 240 Louisville CO USA 80027 E mail customerservice medivance com Internet www medivance com European Representative M...

Page 7: ...tela US C Monogram have been Certified for Safety by Entela Inc against standards C22 2 No 601 1 and UL 2601 Identifies the equipotential terminal on the equipment which is intended to be connected wi...

Page 8: ...to 95 relative humidity non condensing 1 6 General Warnings Do not use the Arctic Sun in the presence of flammable agents because an explosion and or fire may result There is a risk of electrical sho...

Page 9: ...ge the Arctic Sun System Any device connected to the RS232 data port must comply with the applicable IEC standard for that device When the system is powered off all changes will revert to the default...

Page 10: ...6 Blank Page...

Page 11: ...or elements of the electronics Remote Display Module The primary control and monitoring interface for the user Fluid Delivery Line The reusable dual lumen tubing connecting the Control Module to the p...

Page 12: ...ads is controlled by regulating the Circulating Pump speed using pressure sensor P1 The pressure is regulated to 7 psi This assures that the flow through each pad is maintained regardless of how many...

Page 13: ...rime the Circulating Pump If pads are connected the Bypass Valve will close after one minute A user can initiate the Purge Mode in order to empty the pads of water prior to disconnecting them Purge Mo...

Page 14: ...eat Exchanger Chiller Pump Circulating Pump Main Tank Heater Flow meter Inlet Outlet Manifold Vent Line Bypass Line Fill Line Chiller Level Sensors Leveling Line T4 T1 T2 V V B V F V Drain Ports Filte...

Page 15: ...tient Temperature 2 Pump power control Power supply monitoring Data logging output to the RS 232 port The majority of the hardware comprising the electronic control system is located within the card c...

Page 16: ...ure sensor and level sensor are conditioned on the I O Card Both pump motors the valves and the refrigeration system are controlled by this circuit card The remaining circuitry is housed in the Remote...

Page 17: ...d Power Cord Storage Fill Line in Retainer Clip Serial Number Label Panel Mounting Screws Handle Release Knob Fluid Delivery Line Latch Fluid Delivery Line Connection to Inlet Outlet Manifold Panel Mo...

Page 18: ...4 Insert the Patient Temperature Cable into the labeled location on the rear panel of the Control Module 5 Insert the optional Patient Temperature 2 Cable into the labeled location on the rear panel o...

Page 19: ...nagement System 3 3 Filling the Control Module 1 Add one vial of Arctic Sun Cleaning Solution to 4 liters of sterile or distilled water The solution is contained in the Arctic Sun Maintenance Kit Caut...

Page 20: ...16 Blank Page...

Page 21: ...Filters 12 months Calibration and Operational Check Every 2000 hours or 250 uses which ever is less as indicated by system display 4 2 Clean External Surfaces Cleaning should include the exterior of...

Page 22: ...isplay Cable 2 Loosen the clamp knob until the bottom jaw swings clear of the top head Remove the black rubber plug in the top head by grabbing an edge and pulling straight out 3 Using a hex key adjus...

Page 23: ...uum to remove any dust or debris Condenser Figure 4 5 4 6 Replace the Filter Tools and Supplies Required 5 16 hex key from the Arctic Sun Maintenance Kit Filter from the Arctic Sun Maintenance Kit 1 R...

Page 24: ...e when freezing is a risk 3 1 Perform the partial drain procedure in step 2 3 2 Allow the control module to stand for 15 minutes to allow the chiller to return to room temperature 3 3 Power on the sys...

Page 25: ...y from the rear panel Lift the panel off and set aside 5 Push the latch on the front port of the Circulating Pump up from below the tube to release the tube fitting from the pump Pull fitting toward y...

Page 26: ...o release the tube fitting from the pump Pull fitting away from you to disengage the fitting from the pump 5 Remove the filter from the fitting and replace with a new one Insert the open end of the ne...

Page 27: ...l Module s Patient Temperature inputs in turn The Control Module then circulates water through the CTU at various temperatures In this way the patient temperature channel can then be used to check and...

Page 28: ...becomes inoperative return the CTU to Medivance for service An open fuse is indicative of a problem that requires immediate service 5 1 5 Calibration The CTU should be returned to the manufacturer fo...

Page 29: ...alibration Procedure The entire test and calibration process takes approximately 75 minutes Operator assistance is required only in certain stages Stage 1 Warm up Flow Check and Patient Temperature Ca...

Page 30: ...le waiting for data input or test unit switching Note If an alarm occurs during calibration check the CTU connections and switch positions If the alarm persists power down and start over If the alarm...

Page 31: ...age 6 Water Temperature Alarm Test 1 Press the Manual Mode Key 2 Press the Down Key once and change the Water Target Temperature to 42 C 3 Press the Home Key 4 Allow the water temperature to stabilize...

Page 32: ...n no water is flowing a safety circuit will turn off power to the heater The CTU must be allowed to cool completely if this should occur 5 2 5 Stage 7 Chiller Capacity Test 1 Press the Manual Mode Key...

Page 33: ...t Temperature Echo Out 4 checks 0 2 C CK1 0 2 C 0 2 C CK2 0 2 C 0 2 C CK3 0 2 C 0 2 C CK4 0 2 C Water Temperature T1 3 checks 0 4 C CK1 0 4 C 0 4 C CK2 0 4 C 0 2 C CK3 0 2 C Water Temperature T2 3 che...

Page 34: ...30 Test Criteria Primary Alarm Alarm 34 in 14 seconds Chiller Capacity Test Model 2000 02 Water Temp 12 C Model 2000 03 or 10 Water Temp 13 C Blank Page...

Page 35: ...See Figures 6 1 and 6 2 after the normal power up screen sequence The control module will operate normally except these displays will replace the home display Caution Do not operate the device in Diag...

Page 36: ...ss Valve 1 Open 0 Closed PWM P Circulating Pump Speed 0 Stop to 235 Full PWM M Mixing Pump Speed 0 Stop to 150 Full PWM H Heater Power 0 Off to 32 Full Power 6 1 2 Error Log and Operational Log The Mo...

Page 37: ...Purge 5 Fill P Patient Temperature 1 C OM Outlet Temperature Monitor T1 C O Outlet Temperature Control T2 C I Inlet Temperature T3 C F Flow Rate ml min P Inlet Pressure 0 to 10 psi L Water Level 1 Em...

Page 38: ...t points An insulated probe is needed to avoid shorting the test point to the frame Doing so will cause circuit board fuses to blow resulting in the need for component level repair Power Card Figure 6...

Page 39: ...in the fluid delivery line manifolds Air leak in fluid delivery line manifold connection Reseat connectors Pad lines are kinked or occluded at either the connector and pad ends Restriction in fluid li...

Page 40: ...lean or replace filter as needed and tighten the fitting Power up in User Diagnostic Mode Enter Manual Mode with a water target of 28 C After stabilizing for several minutes note whether the display i...

Page 41: ...oss Eliminate kinks in lines or replace low flow pad Pads not adhered completely Movement of pads relative to patient Pads drying out causing loss of adhesion Adhere or replace pads to assure full con...

Page 42: ...denser Chiller condenser clogged with lint Clean condenser Power up in User Diagnostic Mode Operate the system in Manual Mode with a water target of 4 C for 5 minutes No sound emanates from the chille...

Page 43: ...ng Pump Power up in User Diagnostic Mode Operate the system in Manual Mode with a water target of 4 C for 5 minutes The cooling command is nonzero and T4 stabilizes below 6C Mixing Pump replacement in...

Page 44: ...ode Control Module has been switched into service during a case Overfilled tank due to pads being purged into a full Control Module Drain some water from the upper drain port Water jets from the Main...

Page 45: ...l Module will not fill At power up the level is read and indicates less than full Upon initiation of fill one or no clicks are heard The Control Module tries to fill the pump can be heard but no water...

Page 46: ...r Manual Mode The flow rate should exceed 4 lpm for 5 minutes If the pump is still noisy call Medivance Service The noise occurs only when water is flowing High flow flush is unsuccessful The Circulat...

Page 47: ...tient and equipment status without interrupting the procedure Alarm When an Alarm condition occurs there is a chance that a potentially unsafe condition has occurred or could occur with respect to the...

Page 48: ...at start up or after a fill cycle Audio alarm half second tone every 2 minutes Alarm Alert indicator flashing Fill Reservoir If the error persists see General Troubleshooting 04 Water reservoir level...

Page 49: ...is below 32 0 C 89 6 F and water temperature is below 32 0 C 89 6 F and the system is unable to heat in Automatic Mode Changes to Stop Mode Audio alarm half second tone every 10 seconds Alarm Alert in...

Page 50: ...pon completion 15 Unable to obtain stable patient temperature for automatic control Alarm Patient temperature discontinuity Significant change in patient temperature reading for more than 10 minutes C...

Page 51: ...ndicator flashing Turn the Control Module off Wait 30 seconds and turn power back on If the error persists replace the Isolation Card and retest If the error persists call Medivance Service Calibrate...

Page 52: ...2 minutes Alarm Alert indicator flashing Operate the system in Manual Mode with a setpoint below 38 C until the water temperature is less than 38 C If the error persists see General Troubleshooting Wi...

Page 53: ...tion error Restart system Alert In Manual Mode internal temperature calibration from the Patient Temperature 2 probe input is not functioning Current Mode continues Audio alarm half second tone every...

Page 54: ...r persists call Medivance Service 36 Water temperature above safety level Allow system to cool Alarm Water temperature is above 44 C 111 2 F Changes to Stop Mode Audio alarm half second tone every 10...

Page 55: ...e Calibrate upon completion 44 Invalid system log entry Service information may be corrupt Alert In Diagnostic Mode one or more entries in the internal system event log are invalid Used by a designate...

Page 56: ...e Alert Patient temperature less than 33 C when Automatic mode entered Current Mode Continues Audio alarm half second tone every 2 minutes Alarm Alert indicator flashing Use the CTU to verify the accu...

Page 57: ...te upon completion 64 Non recoverable system error Refer to Operator Manual Alarm Unable to enable pump power Control Changes to Stop Mode Audio alarm half second tone every 10 seconds Alarm Alert ind...

Page 58: ...Ensure that the I O Card or J10 connector on it are not wet Allow them to dry if necessary and retest If the error persists call Medivance Service 75 Non recoverable system error Refer to Operator Man...

Page 59: ...recoverable system error Refer to Operator Manual Alarm A D converter fault Changes to Stop Mode Audio alarm half second tone every 10 seconds Alarm Alert indicator flashing Turn the Control Module o...

Page 60: ...rror persists replace the Power Card and attempt a power up If the error persists call Medivance Service Calibrate upon completion 98 x Non recoverable system error Refer to Operator Manual Alarm Proc...

Page 61: ...as been determined follow the appropriate procedure for replacement of the component Not all components can be replaced in the field A complete list of spare parts is available from Medivance Customer...

Page 62: ...tential Stud Heater Fuse Card Cage Chiller Unit Chiller Heat Exchanger Latch Inlet Outlet Manifold Chiller Control Relay Locations Input Output Circuit Card Connections Pump Filter Location Circulatin...

Page 63: ...59 Circulating Pump Mixing Pump Chiller Pump behind Side Panel Keyholes Chiller Pump Bracket Control Module Right Side Figure 7 2 Chiller Pump Bracket fasteners...

Page 64: ...60 Level Sensors 6 Heater Flowmeter Bracket fasteners Circulating Pump Bracket fasteners Control Module Left Side Figure 7 3 Mixing Pump Bracket fasteners...

Page 65: ...ow voltage power for the electronics The Processor Card houses the microprocessors and peripherals The Isolation Card provides interfaces to the patient and external devices The I O Input Output Card...

Page 66: ...first pulling the bottom out by reaching under the center of the bottom edge 2 Using both hands at the top sides of the panel pull it straight out and away from the control module 3 To replace align t...

Page 67: ...e panel 6 To replace the side panels align the white key nuts horizontally rotated to allow the threaded stud to engage the slots in the frame Side Panel Screw Removal Figure 7 8 7 5 Card Cage Tools a...

Page 68: ...card cage with a 5 64 hex key 7 Remove the two nuts in the back of the Input Output circuit card on the right side on the top and bottom with a 5 16 nut driver 8 Lift out the card cage 9 After re ass...

Page 69: ...sconnect the AC Sync cable 5 Now the Power circuit card may be fully removed 6 After re assembly of the unit it is recommended to perform a Dielectric Withstand Hipot Chassis Test per Section 7 23 Pow...

Page 70: ...circuit card is replaced calibrate per Chapter 5 7 9 Isolation Circuit Card Tools and Supplies Required 1 16 hex key Note Observe electrostatic discharge control procedures when handling circuit card...

Page 71: ...anel per Section 7 3 2 Carefully disconnect all connectors from the Input Output circuit card releasing each locking tab before pulling 3 Remove the Input Output circuit card by removing the allen hea...

Page 72: ...trol Software Chips 1 Using the extractor tool remove the chips from U 24 and U 26 2 Place the new chip with the odd number extension number after the dash into U24 3 Place the new chip with the even...

Page 73: ...At this point the pump assembly can be removed from the chassis Circulating Pump Location Figure 7 19 Circulating Pump Mounting Screws Figure 7 20 7 15 Mixing Pump Tools and Supplies Required 5 32 hex...

Page 74: ...nk 7 Remove the two screws on the metal frame that hold the bracket of the chiller pump assembly with a 5 32 hex key 8 Remove the insulation from around the tube attached to the chiller pump which ext...

Page 75: ...e of the chassis Pull back the insulation where the tube meets the reservoir Open the snap ring with a small screwdriver and pull the tube off the reservoir 9 Reach through the right side of the chass...

Page 76: ...upplies Required 5 32 hex key 3 32 hex key 13 Remove the rear panel per Section 7 3 14 Note Observe the routing of the cable to the Input Output circuit card Ensure that wires are not pinched when rea...

Page 77: ...om of the mixing and chilled water reservoirs 7 Remove the temperature sensors from the reservoirs using a 7 16 open end wrench 8 Ensure that the rubber washers are installed on the temperature sensor...

Page 78: ...one through the opening of the left side of the control module 7 Remove the screw and terminal with a 3 32 hex key from the tank insert 8 Remove the remaining screws and terminals in the same fashion...

Page 79: ...off the tester and the Control Module 2 Remove the Control Module power cord from Mains power and plug it into the tester outlet 3 Connect the tester ground lead to the equipotential stud on the Contr...

Page 80: ...76 blank page...

Page 81: ...ed when reassembling Inlet Outlet Manifold Figure 7 30 3 Lift the lever on the Circulating Pump located below the manifold then remove the connector from the pump Removing Pump Port Figure 7 31 4 Pull...

Page 82: ...me manner to release them 10 Replace the harness Install the new temperature probe into the manifold replacing the orange rubber washer Tighten the probe until finger tight then tighten turn 11 Check...

Page 83: ...38 C 0 4 C 38 C to 42 C includes 0 1 C external probe Patient Temperature Control Range Automatic Mode 33 C to 37 C 91 4 F to 98 6 F in 0 1 C F increments Water Temperature Display Range 3 C to 45 C 3...

Page 84: ...elative humidity range storage 5 95 Temperature range operating 10 C to 27 C 50 F to 80 F Temperature range storage 30 C to 50 C 20 F to 120 F Height of unit handle down 66 0cm 26 Length of unit 48 3c...

Page 85: ...Place the Control Module on the foam support which is mounted to the pallet Figure B 1 3 Cover the unit with the plastic bag Figure B 2 4 Place the cardboard tube over the top of the unit so the edge...

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