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5. Disconnect all cables on the Input/Output circuit card on the

right side of the card cage per Section 7.10.

6. Remove the two screws on the right side of the chassis (left of

the 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-assembly of the unit, it is recommended to perform a

Dielectric Withstand (Hipot) Chassis Test per Section 7.23.

Card Cage Mounting Screws

Figure 7.11

Card Cage Mounting Nuts

Figure 7.12

Содержание Arctic Sun 2000

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

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 10: ...6 Blank Page...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 20: ...16 Blank Page...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 80: ...76 blank page...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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