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Specifications and Darvall Cozy Heater Parameters 

 

Physical Characteristics 
Dimensions 

11.0 inch High x 8.7 inch Deep x 8.7 inch Wide 
(28cm High X22cm Deep X22cm Wide) 

Weight 

5.4 kg 

Relative  noise  level 

<55 db 

Hose 

Flexible, compatible with  the Darvall Cozy warming system 

Filtration  system 

High efficiency 0.2 µm  filter 

Recommended  filter  change 

Every 12 months or 500 hours of use 

Temperature Characteristics 
Recommended operating environment 

Temperature: 15 °C to 25 °C 

Temperature  control 

Electronic control 

Heat  generated 

750W (average) 

Operating temperatures 

Average temperatures at the end of the hose:  
HIGH: 43 ±3°C 
MID:   38 ±3°C 
LOW:  32 ±3°C 

Safety System 
Thermostat 

Independent electronic circuit; thermal cutoff shuts the 
heater OFF to ensure hose end air remains below 53°C 
(53°C ± 3°C typical); back-up over-temperature detection 
at hose inlet. 

Alarm system 

Over-temperature (53°C, 53°C ± 3°C typical): red Over-
temp indicator light flashes, alarm sounds, heater and fan 
shut down, operating indicator lights turn OFF, control 
panel becomes unresponsive. 

Fault 

Fault information will display on the LCD, alarm sounds. 

Over current protection 

Dual input fused lines. 

Electrical Characteristics 
Heating element 

1000W Resistive PTC 

Leakage current 

Meets IEC 60601-1 requirements 

Fan motor 

Operating speed: approximately 2900 rpm 
No Load Airflow: 50cfm or 23 L/s 

Power consumption 

PEAK: 1500W                                   AVERAGE:750W 

Device ratings 

110-120V; 60 Hz; 12A  
30V ; 50/60 Hz; 8A 

Power cord 

5m, 3 Cond, 13 A (110V) 
5m, 3 Cond, 10 A (220V) 

Fuses 

110-120V Darvall Cozy: 6C, 12A x1; 5C,12A x2;  
220-240V Darvall Cozy: F8AL250V x1; F8AL250V x2; 

Classification 

Classified under IEC 60601-1 Guidelines (and other national 
versions of the Guidelines) as Class I, Type BF, Ordinary 
equipment, Continuous operation Not suitable for use in 
the presence of flammable anesthetic mixtures with air or 
with oxygen or nitrous oxide. 
Device Directive as a Class IIb device (EU) 
Device Directive as a Class II device (US FDA) 

Note:    The Darvall Cozy rating is 110-120V OR 220-240V & cannot be used simultaneously in both 

voltage ranges. Please refer to SN label on the Darvall Cozy Heater to confirm correct voltage.

 

 

Summary of Contents for DARVALL Cozy

Page 1: ......

Page 2: ...Regional Customer Support...

Page 3: ...ing to use Darvall Cozy Warm Air Heater 8 Installation of the Darvall Cozy Wheels 9 Use the Darvall Cozy Heater with an appropriate warming blanket 10 Darvall Cozy Warm Air Heater Control Panel Indica...

Page 4: ...rmly to caged and anaesthetized animals International Patents granted and applied for The full range of Darvall Warm Air Blankets for use in cages anesthesia or surgery are shown on Page 6 The Darvall...

Page 5: ...always disconnect the temperature sensor attached to the old hose Be sure to attach the hose and temperature sensor from the new hose prior to using thedevice Do not use Darvall Cozy Heater in MRI ro...

Page 6: ...6...

Page 7: ...is mounted on 4 swivel wheels Figure 2 Darvall Cozy Heater Rear view The power switch is next to the Power Cord inlet and will disconnect all power to the Darvall Cozy if in the OFF position The fuse...

Page 8: ...alified service technician in accordance with the instructions in the Service Manual Warranty repairs must be performed by AAS Darvall or be approved in writing if undertaken by a third party qualifie...

Page 9: ...the floor onto the wheels Removal of Wheels from the Darvall Cozy Heater Tools Adjustable Spanner Time 5 min Removing the 40mm swivel wheels each with its push fit wheel mount adapter is essentially...

Page 10: ...se soiling Attach the Darvall Cozy heater hose to the Warming Blanket Insert the hose nozzle into the warming blanket s entry port so as to minimize kinks at this point Wrap the blanket tapes firmly r...

Page 11: ...he air Temperature set point is set to room temperature Air flow button When selected the air flow will be toggled between high and low speed LED on Low Air Flow Mode LED off High Air Flow Mode 3 Powe...

Page 12: ...ater willheat HEPA filtered air to MIDDLE temp setting 38 C 4 43 C a Press 43 C HIGH temperature button b The LED light above the button will illuminate c The Darvall Cozy Warm Air Heater willheat HEP...

Page 13: ...emperature alarms sound if the temperature limits are exceeded for example if the Darvall Cozy Heater is set to warm to 43 C and the Heater Hose outlet temperature sensor 1 is outside of 43 3 C or Coz...

Page 14: ...s 1 Fan stopped 2 Alarm prompts Repeat interval of 10 seconds E03 PTC ERR Low Pitch Trill 3 rings 1 PTC heating element stopped working 2 Alarm prompts Repeat interval of 10 seconds E04 OVER TEMPERATU...

Page 15: ...rvall Cozy Warm Air Heater and wait for 5 minutes 2 Restart the Darvall Cozy 3 If the display shows the same fault code contact a qualified service technician to replace the PTC heater E04 Over Temper...

Page 16: ...mal Infection Risk using warm air heating during surgery in an appropriate manner For any sterile procedure use of a new Darvall Warm Air Blanket is advisable In human surgery compared to no warming t...

Page 17: ...ull tabs of the HEPA filter and lift out It should pull out easily 8 Open new filter box and take out the HEPA air filter and Filter Changed sticky label 9 Install the new HEPA filter as show with Pul...

Page 18: ...removal and installation of a new hose the temperature sensor wire MUST BE disconnected old hose and re connected new hose If Temperature Sensor 2 is not connected the Darvall Cozy Heater WON T RUN 8...

Page 19: ...t down operating indicator lights turn OFF control panel becomes unresponsive Fault Fault information will display on the LCD alarm sounds Over current protection Dual input fused lines Electrical Cha...

Page 20: ...erating at one of the 4 operating temperatures to switch the Darvall Cozy into Standby mode press the ON OFF button Operating Mode When entering operating mode the following events occur Unit will att...

Page 21: ...airs but also has a loaner program so NO downtime is required Shipping Procedures Repairs on all products will be accepted with authorisation numbers However the following information is required lett...

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