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Olympic Warmette Models 48/49 and 55/56 Instruction Manual

6-5

Repair Procedures

4

Push the power switch forward through the front of the Warmette cabinet (see 

Figure 6.2).

Figure 6.2

Access panel assembly  — side view

To install a new mains power switch:

1

Insert the new switch through the opening.

2

Press the switch into the opening until it snaps into place.

3

Connect the spade connectors (see 

Drawings and Schematics

 on page A-1).

4

Replace the access panel, shelf supports, and tray.

5

Test the Warmette for proper operation (see page 2-5).

Temperature control knob

Heater indicator lamp and cover 

Thermostat

Capillary tube

Butt splice connectors

Mains power switch

FRONT

BACK

Lamp housing

Spade connectors

Summary of Contents for Olympic Warmette 48

Page 1: ...l Olympic Warmette Models 48 49 and 55 56 CAUTION Read and be familiar with this manual before installing operating or servicing this device To ensure operator technician and patient safety use only as specified in this manual ...

Page 2: ......

Page 3: ...m The information in this manual is subject to change without notice No part of this manual may be photocopied reproduced translated or reduced to any electronic medium without the express written permission of Natus Medical Incorporated All tradenames and trademarks mentioned herein are property of their respective owners Copyright 2009 Natus Medical Incorporated All rights reserved ...

Page 4: ......

Page 5: ...e 4 1 Removing the Trays 4 1 Quarterly Maintenance 4 2 Cleaning the Lint Filter 4 2 Annual Maintenance 4 3 Cleaning the Inside of the Upper Cabinet 4 3 Cleaning the Blower Housing and Blower Wheel 4 4 Cleaning the Heater Plenum and Box 4 4 Testing the Thermal Cut out Function 4 4 Section 5 Troubleshooting 6 1 Technical Support 6 2 Section 6 Service 5 1 Servicing the Warmette 5 1 Repair Policy 5 1 ...

Page 6: ...n Manual Replacing the Thermostat Label 5 8 Replacing the Blower 5 9 Replacing the Thermal Cut out 5 11 Replacing the Heater 5 12 Section 7 Replacement Parts 7 1 Ordering Information 7 1 Section 8 Specifications 8 1 Appendix A Drawings and Schematics A 1 ...

Page 7: ...bly 2 4 Control panel 3 2 Removing the tray for cleaning 4 1 Location of the lint filters 4 3 Blower assembly 4 5 Access panel assembly exploded view 5 4 Access panel assembly side view 5 5 Screw locations inside Warmette door 5 9 Removing the front panel 5 9 Blower Filter assembly 5 10 Model 48 49 55 56 Olympic Warmette Wiring Diagram Drawing No 700192 Rev C A 1 Model 48 49 55 56 Olympic Warmette...

Page 8: ...iv Olympic Warmette Models 48 49 and 55 56 Instruction Manual ...

Page 9: ...Olympic Warmette Models 48 49 and 55 56 Instruction Manual v List of Tables Conventions 1 1 Product symbology 1 2 Troubleshooting chart 6 1 Replacement parts list 7 1 ...

Page 10: ...vi Olympic Warmette Models 48 49 and 55 56 Instruction Manual ...

Page 11: ...The installation and service instructions in this manual are intended for use by qualified service technicians Conventions Table 1 1 describes the conventions used in this manual Table 1 1 Conventions Convention Description NOTE Notes provide additional information to clarify a point in the text CAUTION Cautions indicate situations that if not avoided could result in minor to moderate injury to th...

Page 12: ...aging and its accessories Symbol Description Symbol Description Ground Line hot conductor Read instructions Neutral neutral conductor Mains power ON Alternating current AC voltage Mains power OFF Hot surface Intended Use The Warmettes are intended for warming fluids blankets or other linens in a hospital setting Table 1 2 Product symbology ...

Page 13: ...ating air system that warms blankets and bottles quickly and uniformly Forced air distributes heat evenly throughout the entire cabinet so supplies are heated rapidly no matter where they are placed Mesh shelves allow air to move under and around supplies Figure 1 1 Model 48 49 and Model 55 56 dimensions 21 in 86 in 86 in 26 in 51 8 in Leveling feet Allow approx 1 2 in vertical adjustment Temperat...

Page 14: ...1 4 Olympic Warmette Models 48 49 and 55 56 Instruction Manual Description ...

Page 15: ...surfaces with a towel moistened with soap and water or liquid disinfectant Plexiglas doors must be cleaned with soap and water CAUTION Read and be familiar with this manual before installing operating or servicing this device To ensure operator technician and patient safety use only as specified in this manual Only qualified technicians should assemble and install this product NOTE The Warmette Mo...

Page 16: ...ray for Models 48 49 see Figure 2 1 and Figure 2 2 for Models 55 56 see Figure 2 3 and Figure 2 4 2 Pivot the bottom tray up and out to remove 3 Ensure that the Warmette is level and that the jam nuts for the leveling feet are locked in place before using the Warmette Figure 2 1 Model 48 49 anchor holes Figure 2 2 Model 48 49 anchor hole placement CAUTION The Warmette must be bolted to the floor L...

Page 17: ...osened during shipping The Warmette has three 500W heaters per Plenum Assembly Required Items Heater part no 401572 1 4 in nut driver To check the heater 1 Press the power switch to the OFF O position and unplug the power cord 2 Remove the uper white door seal and then loosen but do not remove the screws inside the door behind the door stop see Figure 2 5 Leveling feet Anchor holes 9 92 in 17 5 in...

Page 18: ... the plenum and then unscrew the heater from its socket Ensure that the socket cap is tight and then screw the heater firmly back into place 7 Reinstall the plenum Ensure that the plenum and case are seated firmly Install the plenum hold down spring and bridge 8 Reinstall the front panel and tighten the screws 9 Test the Warmette for proper operation see Testing the Warmette Door stop Screws 4 Acc...

Page 19: ...sure that the HEATER ON lamp is illuminated Ensure that the air blowing from the top of the Warmette is noticeably warm Listen for the blower to make sure it is running Check that the HEATER ON lamp turns off within 60 minutes It will then cycle on and off to maintain the set temperature Electrical Requirements The Warmette product line has several voltage frequency options 120V 60 Hz 14A 220V 50 ...

Page 20: ...2 6 Olympic Warmette Models 48 49 and 55 56 Instruction Manual Electrical Requirements ...

Page 21: ...ling operating or servicing this device To ensure operator technician and patient safety use only as specified in this manual Connect this device directly to a hospital grade electrical outlet Do not place wet or very damp blankets inside the Warmette The inner metal surfaces of the warming chamber are hot whenever the warmer is on WARNING Not suitable for use in the presence of flammable anaesthe...

Page 22: ... O The switch illuminates in the ON position to indicate the presence of power to the unit SET TEMP dial Adjusts the internal temperature settings To set the temperature press the SET TEMP knob in while turning to the appropriate temperature HEATER ON indicator Illuminates when the internal heaters are operating Figure 3 1 Control panel NOTE Temperature accuracy is 10 F of selected temperature dep...

Page 23: ...ccess the screws from underneath the tray 2 Pivot the solid panel tray up and remove Figure 4 1 Removing the tray for cleaning WARNING Electrical shock hazard when the enclosure is open Always unplug the power cord from the electrical outlet before cleaning or maintaining the Warmette NOTE The Warmette Models 48 and 55 have clear doors on the front see Figure 1 1 on page 1 3 The Models 49 and 56 h...

Page 24: ...ap and water solution 4 Plug in the power cord Quarterly Maintenance Cleaning the Lint Filter The Warmette has a lint filter located on the inside left wall of each warming module under the bottom tray see Figure 4 2 Clean the filter at least once every three months or more often if it becomes blocked Required Items 1 4 in nutdriver To clean the lint filter 1 Press the power switch to the OFF O po...

Page 25: ...secure with screws 6 Plug in the power cord Figure 4 2 Location of the lint filters Annual Maintenance Annually inspect the following components and areas for dust and lint and clean as required Cleaning the Inside of the Upper Cabinet Required Items Vacuum cleaner To clean the upper cabinet 1 Access the cabinet see Replacing the Blower on page 6 9 2 Vacuum accumulated dust and debris 3 Reassemble...

Page 26: ...tions 2 Vacuum accumulated dust and debris 3 Reassemble the Warmette Testing the Thermal Cut out Function To verify that the function of the thermal cut out does not degrade over time perform the following procedure annually Required Items 1 4 in nut driver Amp probe 6 x 6 in metal plate To test the thermal cut out function 1 Press the power switch to the OFF O position then unplug the power cord ...

Page 27: ...ted 9 Remove the metal plate 10 Wait 20 minutes for the plenum to cool and then press the reset button on the thermal cut out The amperage reading should return to the previous value from step 6 above 11 If the thermal cut out does not function as described above replace it see Replacing the Thermal Cut out on page 6 11 12 Repeat steps 1 9 for the second thermal cut out on Model 55 56 Warmettes 13...

Page 28: ...4 6 Olympic Warmette Models 48 49 and 55 56 Instruction Manual Annual Maintenance ...

Page 29: ... Reset the thermal cut out switch see page 6 11 Loose electrical connection to the blower Test all the electrical connections to the blower Repair as necessary Reset the thermal cut out see page 6 11 Power switch is on Heater lamp does not illuminate Heater is off Blower does not run No power Ensure that the power cord is fully seated in the power receptacle Blown circuit breaker Check the circuit...

Page 30: ...truction Manual Technical Support Technical Support For technical support contact the Natus Medical Service Department at Toll free 1 866 940 7143 US Canada Phone 1 206 767 3500 worldwide Fax 1 206 767 0573 Email Seattle_technical_service natus com ...

Page 31: ...ecifications Natus Medical recommends that all replacement parts be those either manufactured or sold by Natus Medical After all repair actions and tests are complete perform the pre operative test procedure in this manual see on page 2 5 to ensure proper operation and compliance with published specifications CAUTION Only qualified technicians should perform the service procedures WARNING Electric...

Page 32: ...en press the power switch to the ON position 2 Push in and rotate the thermostat knob to 120 F 48 8 C 3 Place the full one liter plastic bottles on the top shelf 4 Allow the Warmette to operate undisturbed for a minimum of eight 8 hours 5 After the operating period measure the temperature of the solution in the bottle If the temperature measures between 110 130 F 43 3 54 4 C the Warmette is heatin...

Page 33: ...icated on the fuse replacement label into the fuse holder 2 Slide the fuse holder into place 3 Secure the front panel 4 Test the Warmette for proper operation see page 2 5 Removing the Access Panel To access some internal components for repair e g thermometer you will need to remove the access panel The access panel is located on the left inside wall of the Warmette Required Items 1 4 in nutdriver...

Page 34: ...e 2 5 Replacing the Mains Power Switch Should you need to replace the mains power switch O perform the following procedure Required Items Mains power switch part no 200001 3 64 in Allen wrench 1 4 in nutdriver To remove the mains power switch 1 Press the power switch to the OFF O position then unplug the power cord 2 Remove the access panel see Removing the Access Panel on page 6 3 3 Disconnect th...

Page 35: ...h 1 Insert the new switch through the opening 2 Press the switch into the opening until it snaps into place 3 Connect the spade connectors see Drawings and Schematics on page A 1 4 Replace the access panel shelf supports and tray 5 Test the Warmette for proper operation see page 2 5 Temperature control knob Heater indicator lamp and cover Thermostat Capillary tube Butt splice connectors Mains powe...

Page 36: ...ng in place press the lamp cover from the front of the Warmette see Figure 6 2 on page 6 5 2 While continuing to press the lamp cover put the new housing under the lamp cover on the back of the control Pull up on the lamp housing until it snaps into place 3 Reconnect with the two 18 22 AWG butt splice connectors at the end of the lamp housing wires 4 Reinstall the access panel the shelf supports a...

Page 37: ...e 6 5 To reassemble the Warmette 1 Feed the temperature probe through the front panel opening and through the hole in the back of the plenum Secure the probe bulb to the grille in the same location as the old bulb using a nylon tie wrap 2 Connect the thermostat wires to the new thermostat 3 Hold the assembly spacer in position and insert the shaft of the new thermostat into the opening from the ba...

Page 38: ...cess panel components Required Items Thermostat label part no 301410 To remove the old label 1 Press the power switch to the OFF O position then unplug the power cord 2 Remove the thermostat knob see step 3 and step 4 on page 6 6 3 Remove the heater indicator lamp cover see Figure 6 1 on page 6 4 4 Remove the mains power switch see page 6 4 5 Peel the old label off the thermostat Discard the old l...

Page 39: ... 3 Screw locations inside Warmette door 3 Pull out and remove the front panel see Figure 6 4 Figure 6 4 Removing the front panel 4 Remove the blower a Remove and set aside the four acorn nuts and washers securing the bottom of the blower the nuts are located inside the cabinet under the blower b Lift the blower assembly and position it to allow access to the ground wire screw on the motor side of ...

Page 40: ...onnect the blower assembly electrical connections at the terminal strip 2 Attach the front panel 3 Tighten the screws inside the Warmette door 4 Plug in the power cord 5 Test the Warmette for proper operation see on page 2 5 Plenum Plenum hold down spring FRONT Blower Plenum hold down bridge BACK Terminal strip NOTE Since it is easy to clean the Warmette while the blower is removed perform the ann...

Page 41: ...ure 6 4 on page 6 9 4 Unhook remove and set aside the plenum hold down springs Next disconnect the thermal cut out wires see Figure 6 5 on page 6 10 5 Separate the plenum from the filter case 6 Locate and remove the screws and kep nuts attaching the failed thermal cut out to the plenum assembly Set aside the screws and kep nuts To place the new thermal cut out 1 Place the new thermal cut out then ...

Page 42: ... then unplug the power cord 2 Loosen but do not remove the screws inside the door behind the door stop see Figure 6 3 on page 6 9 3 Pull out and remove the front panel see Removing the Access Panel on page 6 3 4 Unhook and remove the plenum hold down spring and bridge see Figure 6 5 on page 6 10 5 Separate the plenum from the casing 6 Lift the plenum then unscrew the heater from its socket 7 Remov...

Page 43: ...Email customer_service natus com When ordering parts please provide the item number to the customer service representative NOTE Use only Natus Medical approved parts with the Warmette Table 7 1 Replacement parts list Item Name Description Item Number Blower assembly kit 200036 k507 Fuses 25A 250V FLM time delay 200021 Heater indicator lamp 200002 Heaters 500 Watt 401572 Power switch 200001 Thermal...

Page 44: ...7 2 Olympic Warmette Models 48 49 and 55 56 Instruction Manual Ordering Information ...

Page 45: ...ht 550 lb 280 kg Warming Capacity 27 0 cu ft 0 76 cu m Electrical Power Requirements per module Voltage 120 220V single phase Consumption 14 0A 120V 8 0A 220V Frequency current 50 1 Hz or 60 1 Hz Ground Does not exceed 0 13 V Fuses Two internal 25A 250V FLM time delay fuses Environmental Temperature Operating 50 104 F 10 40 C Shipping 40 158 F 40 70 C Storage 40 158 F 40 70 C Relative Humidity RH ...

Page 46: ... 97 120V only CAN CSA 1010 2 010 94 120V only UL 61010A 2 10 UL 61010B 1 Installation overvoltage category II Ordinary Equipment IPXØ Pollution degree 2 Indoor use only Service Service can be performed by hospital technicians See Ordering Information on page 7 1 for more information Warranty One year warranty on parts Product Disposal Disposal of the Warmette does not require any special precautio...

Page 47: ...Olympic Warmette Models 48 49 and 55 56 Instruction Manual A 1 A p p e n d i x A Drawings and Schematics Figure 8 1 Model 48 49 55 56 Olympic Warmette Wiring Diagram Drawing No 700192 Rev C ...

Page 48: ...A 2 Olympic Warmette Models 48 49 and 55 56 Instruction Manual Figure 8 2 Model 48 49 55 56 Olympic Warmette Schematic Drawing No 700193 ...

Page 49: ...Olympic Warmette Models 48 49 and 55 56 Instruction Manual A 3 Figure 8 3 Model 48 49 55 56 Olympic Warmette Drawing No 700194 ...

Page 50: ...A 4 Olympic Warmette Models 48 49 and 55 56 Instruction Manual Figure 8 4 Model 48 49 55 56 Olympic Warmette Drawing No 700195 ...

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