Comfort Air Fan with Remote Installation and Operation Manual Models 275-3330 / 275-3331 Thank you for purchasing this fan from SHURflo. Please take a few minutes to read this entire manual before attempting installation. If you have any questions, please contact your nearest dealer or SHURflo. This unit will work at an infinite range of speeds in automatic or manual modes at a wide range of temperature settings. Automatic dome-sensing control allows it to work with most vent covers. Automatic shut-off when its raining and motor thermal protection are just a couple of the exciting safety features of this fan. Standard Features True Variable Speed Fan Easy-Remove Screen Fits Standard 14 x 14 Roof Openings Thermally Protected Motor High-Amp Dome Safety Control Remote-Control Intake & Exhaust Operation Motorized Dome Automatic Rain Sensor Auto-Temp Control from 60F 100F Contents 1 Comfort Air Fan Unit, including
-1 upper unit
-1 internal flange & 4 screws o Supplied trim fits roofs 3-1/2-5-1/4 See specifications on page 4 for trim model # for other roof sizes 1 Remote Control 1 Remote Wall Mount & 2 screws 1 9-Volt DC Remote Control Battery 1 Installation and Operation Manual Location
Fan must be installed with the hinge facing the direction of travel. Locate bi-directional fan at least 3 feet from any exhaust vent. l Do not install fan in cooking area.
Important Information SHURflo recommends professional installation. Please read the entire manual before attempting installation. This unit requires 12 VDC Power only. This fan uses 5 Amps. Use 6A fuse. Follow all local building / electrical codes. Black wire is negative ground [ - ]. Red wire is positive power [ + ]. Never reverse polarity. Reverse polarity can damage circuit board. Never turn the fan on with the screen removed. Always turn off power before removing screen. Never place any objects in moving blade path. Insulated wire connectors Tools and Materials Required
#2 Philips screwdriver Scraper Wire stripper/crimp tool Butyl sealing tape (1/8 x 1 x 6) 18 Gauge or larger copper stranded wire 6-Amp fused circuit All weather Silicone sealant
---Rubber roofs require EPDM sealant 3/4 or 1 x #8 self-tapping screws [ 28 ] for roof mounting. Screws removed from old unit can be used. 911-724-A 04/05 page 1 of 4 COMFORT AIR FAN REMOTE COMMANDER jFan Hi Fan Speed Increase +
Press this button to increase fan speed. kFan Off Fan Stop & Power Off Press this button to stop the fan in Manual. Press this button to exit Auto Mode [fan will stop and dome will close]. lFan Lo Fan Speed Decrease Press this button to decrease fan speed. mDome Open nDome Stop Press this button to Open the Dome. Press this button to Stop the Dome. oDome Close Press this button to Close the Dome. pExhaust / Intake Press this button to change fan direction. Thermostat Control & LED Light Bank Adjust fan temperature from 60F [green lights] to 100F [red lights]
Remote Reset Left green light and right red light are used when resetting the remote control. See Section on Resetting The Remote. qCooler ( Auto Mode ) Press this button to set fan in Auto mode and to lower the thermostat temperature setting rWarmer ( Auto Mode ) Press this button to set fan in Auto mode and to raise the thermostat temperature setting sBattery Compartment ( Rear of Remote ) Slide open rear compartment to replace 9V battery. j k l m n o p q r s Rear of Remote NOTICE: Unit will not operate without remote. If remote is lost or damaged, turn power off and close dome with hand crank. Call your dealer or SHURflo for a replacement remote control.
Resetting The Remote Never reset remote control with screen removed. It may be necessary at times to reset the remote to match the Comfort Air unit. This would be done to make one remote work for 2 fans, to make 2 fans operate from different remotes, or when purchasing a new remote for an installed unit. To reset the remote to a fan unit:
1. Press and hold FAN OFF [ k ], until green and red lights blink [about 10 seconds]. 2. WITHOUT RELEASING FAN OFF Button ] k ], press the Reset Button on the fan unit [see fan picture]. 3. Hold buttons until fan motor goes into high speed. Fan unit is now reset to this remote. To avoid resetting 2 fans at the same time, completely turn off the power to the fan you do not want to reset. 911-724-A 04/05 page 2 of 4 Installation 1. Turn off all power to fan. 2. If it is a new installation, cut and frame out a 14 x 14 hole. Prepare all wiring and fusing per specifications. 3. Remove old fan inside and out. 4. Carefully remove all old roof sealant. Surface must be clean and dry. 5. Check fit of new fan inside and out. 6. Apply 1 Butyl putty tape around mounting hole
--Hinge must face toward front of the RV.
--Verify correct wiring size and length.
--Check inside ceiling flange clearance. Supplied trim fits roofs 3-1/2 to 5-1/2 thick. Trim can be cut or call SHURflo for other sizes
--Holes in roof exterior can be filled with wood putty or sealant to ensure a better seal later. pattern on roof side of fan chassis.
--Center the tape over the mounting holes. 7. Place unit on roof and check alignment inside and outside.
--Hinge must be to the front of the RV.
--Screws removed from previous unit can be used. 8. Screw unit to roof with 28 screws. 9. Seal all edges and screws with silicone sealant, or use EPDM Rubber roof sealant for rubber roofs.
--Do not allow sealant to contact dome hinge or rain sensor. 10. Check wire polarity and connect wires inside of coach.
--Red wire is positive (+).
--Black wire is negative (-).
--Polarity must be correct or damage to circuit board will result!
11. Test hand crank by pulling down on crank and turning CW to open dome.
--Crank must be in upper position for power operation.
--Dome motor must be stopped before moving hand crank in or out. 12. Place lower trim in place and secure with 4 screws provided.
--Hand crank should be facing front. 13. Turn on main power to unit. 14. Place 9V battery in Fan Remote Commander. 15. Reset remote and test unit. See Section on Resetting The Remote. Fan and Remote Cleaning remove screen by Turn off all power, and unsnapping 4 fan clips. Wipe fan and remote with damp rag with mild detergent only. Dry unit after wiping. Do not immerse fan or remote in water. To replace screen, align clips and snap into place. NEVER OPERATE FAN WITH SCREEN REMOVED!
911-724-A 04/05 RESET Reset Hand Crank Screen Clips (4) Ceiling View of Fan Operation HAND DOME OPERATION Pull down on manual crank and turn to open or close the dome by hand. Push crank up to lock gears for power dome operation. MANUAL MODE Press Fan Hi 1 or Fan Lo 3 buttons or Dome Open 4, Stop 5 or Close 6 buttons to operate in Manual Mode. Changing Fan Direction Press Exhaust/Intake button 7 to change direction. AUTO MODE Press Cooler button 8 or Warmer button 9 on the remote to lower or raise thermostat temperature setting. Dome will open and fan will start only above selected operating temperature. When temperature drops 5 F below set point, dome will close and fan will shut off. Dome will automatically open and fan will restart when temperature set point is reached. Changing Fan Direction Press Exhaust / Intake button 7 to change fan direction. Adjusting Fan Speed or Dome Opening Press Fan Hi button 1 or Lo button 3 to adjust fan speed. Press Dome Open button 4 or Close button 6 to adjust dome opening. Press Dome Stop button 5 to stop dome in desired position. To Exit Auto Mode To exit Auto Mode press Fan Off button 2. Dome will close and fan will power off. Holding down Cooler Button 8 will exit Auto Mode with fan running. Rain Sensor This unit to automatically shut off the fan when rain is detected in Auto Mode only. Sensor is not activated in Manual Mode. When rain sensor is activated, dome will close and unit will turn off. Fan will not restart when rain sensor dries out. Fan unit must be restarted in Manual or Auto Modes. is equipped with a rain sensor page 3 of 4 10 - 14 Volt DC 5 Amps Use 6-Amp Fuse 14 x 14 Standard
[13.75 to 14.25 square]
Trim # 21-1613-00 Specifications Voltage Maximum Amps Hole Size Roof Thickness 2 to 3-1/2 3-1/2 to 5-1/4 Trim # 21-1613-01 [Standard]
5 to 6-1/4 Maximum CFM Intake Exhaust Trim # 21-1613-02 Thermostat Range Remote Control Remote Battery Dimensions Materials Wire 920 CFM 1055 CFM 60F to 100F Model 84-940-xx 9 Volt DC 17 x 17 x 4-1/4 closed 17 x 17 x 12-1/2 open UV resistant ABS and Polycarbonate 12 Red (+) Black (-) 18 AWG Troubleshooting PROBLEM POSSIBLE SOLUTIONS Fan remote does not work Check main power, fuse and battery. Reset remote. Fan & dome buttons do not work Unit in Auto Mode: press Fan Off with fan off and dome closed to exit Auto Mode Unit shuts off and closes Dome will not open or close, but dome motor is running Dome starts to open or close and then stops. If motor continues to run:
Preset temperature reached in Auto Mode, Rain sensor activated: Adjust Thermostat to turn fan on. Press fan Off to exit Auto Mode. Push hand crank up to actuate dome motor gears. Dome motor will turn off after 3 to 5 minutes if gear is not engaged. Dome hitting object. Check dome path for obstruction. Push up crank gear to engage. FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. In order to maintain compliance with FCC regulations, shielded cables must be used with this equipment. Operation with non-approved equipment or unshielded cables is likely to result in interference to radio and TV reception. The user is cautioned that changes and modifications made to the equipment without the approval of the manufacturer could void the users authority to operate this equipment. Operation is subject to the following two conditions:
(1)
(2) this device may not cause interference, and this device must accept any interference, including interference that may cause undesired operation of the device. Limited Warranty Information SHURflo Pump Manufacturing Co. (SHURflo) warrants this product to be free from defects in material or workmanship to the original owner for personal or family use, for a period of 2 years, 5 years warranty on exterior Dome and Screen from original date purchase. This product is warranted for 90 days from original date of purchase when used for commercial or business application. The warranty may provide for repair, including labor or exchange or replacement of unit, or parts as necessary. An owner having a part or unit believed to be defective should contact a local RV dealer, or contact the nearest SHURflo office. SHURflo will not accept the return of parts or units, will not send out parts or units or allow for the repair or replacement of parts or units under this warranty without giving their prior expressed authorization and without proof of date of purchase. If SHURflo finds the unit or part to be defective and is the subject of a valid warranty claim, SHURflo will pay the dealer a labor allowance and supply repair part(s) or a replacement unit as applicable. This warranty does not extend to parts or units which if, in the judgment of SHURflo, have been damaged or rendered defective by misuse, negligence, accident, improper installation, unreasonable use or if the unit or part has been tampered with or altered in any manner. In no event, whether as a result of breach of contract, tort (including negligence) or otherwise, shall SHURflo be liable to any owner of a unit for any special damages arising out of the use, or inability to use that unit, nor for any claim against the owner by another party. Some states and provinces do not allow limitations on how long an implied warranty shall last or do not allow the exclusion or limitation of incidental or consequential damages. So the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights that may vary from state to state. ISO certified facility SHURflo reserves the right to update specifications, prices, or make substitutions
Unit 5 Sterling Park SHURflo Ltd. SHURflo East SHURflo
**ISO certified facility 5900A Katella Ave. Cypress, CA 90630
(800) 854-3218
(562) 795-5200 52748 Park Six Court Elkhart, IN 46514-5427
(800) 762-8094
(574) 262-0478 FAX (562) 795-7564 FAX (574) 264-2169 www.shurflo.com 2004 All Rights Reserved Gatwick Road, Crawley West Sussex, RH10 2QT United Kingdom
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