MSC-4 Manual Speed Control user manual
Contents
1. the surface with a damp cloth Be careful when washing the room using a high pressure washer DO NOT spray the control using a high A N pressure washer this can damage the control and will void the warranty Evidence of moisture damage inside the control will void the warranty Limited warranty This warranty applies only to the Phason Inc Phason Manual Speed Control MSC 4 If you need warranty service return the product and original proof of purchase to your dealer Phason warrants the MSC 4 subject to the following terms and conditions This warranty is valid only to the original purchaser of the product for two years from the manufacturing date The manufacturing date is stated in the first eight digits of the serial number in the form year month day Phason hereby warrants that should this product fail because of improper workmanship Phason will repair the unit effecting all necessary parts replacements without charge for either parts or labor Conditions Installation must be done according to Phason s enclosed installation instructions The product must not have been previously altered modified or repaired by anyone other than Phason The product must not have been involved in an accident misused abused or operated or installed contrary to the instructions in our user and or installation manuals Phason s opinion about these items is final The person requesting warranty service must be the original purchaser of the un2. 6 08 29 Phason MSC 4 Manual Speed Control user manual Setting the high low limits The factory settings for the low and high limits will adequately control most 230 VAC variable speed fans You can adjust the low and high limits to work best with your particular fan motor or incandescent lamps See sections E and F of the drawing on page 2 for locations The low limit sets the minimum speed of the fan or intensity of the lamps when the control knob is set to Low The limit can also be set so the fan or lamps are off when the control knob is at Low The high limit adjusts the control to work with motors of different power factors and sets the maximum speed of the fan or intensity of the lamps when the control knob is at High Setting the limits for 115 230 VAC fans 1 Turn the control knob on the cover to High and then adjust the HIGH LIMIT trimmer clockwise to increase fan speed counter clockwise to reduce fan speed If the fan begins to growl or rotate slowly during this step slowly turn the trimmer counter clockwise until the fan is running smoothly You may need to turn the trimmer fully counter clockwise to regain control of the fan 2 Turn the control knob to Low and then adjust the LOW LIMIT trimmer clockwise to increase fan speed counter clockwise to reduce fan speed Setting the limits for 115 VAC lamps 1 Turn the control knob on the cover to High and then adjust the HIGH LIMIT trimmer clockwise to increase lamp in
3. Phason MSC 4 Manual Speed Control user manual MSC 4 Manual Speed Control user manual The Manual Speed Control MSC 4 is a simple and effective way to control fan motors The MSC 4 allows you to manually adjust the speed of ventilation and heat exchanger equipment The MSC 4 can also be used as a light dimmer for brooder heat lamps and can power up to five 250 watt lamps Features Electrical ratings 115 230 VAC 60 Hz 12 5 FLA 8 5 FLA model also available 1500 W tungsten Fuse 15 A 250 VAC ceramic One variable speed output ON OFF switch Adjustable HIGH LOW settings Overload protection fuse 4 Rugged enclosure corrosion resistant water resistant and fire retardant CSA approval Two year limited warranty The MSC 4 is designed for high current and is too strong for small motors The MSC 4 might not operate properly when running fan motors with a very inductive power factor and that draw less than 0 5 A To test for this problem connect the control to the motor and adjust the control from minimum to maximum If the motor jerks or locks during any part of the range of operation the current draw is too low Adding more motors in parallel to increase the current draw will solve the problem If this is not a viable solution an 8 5 A version MSC 4 8 5 is available from your dealer Variable speed fan motors can draw up to 30 more current at reduced speeds than maximum speed Fan motor spec
4. ifications show current draw at maximum speed Current over 12 5 A will cause overheating and eventual failure of the MSC 4 control Check current requirements for the fan motor by either measuring current draw at all speeds or consulting the dealer for information about that fan Fill out the information below to help verify that you do not exceed the electrical ratings of the MSC 4 ee eee ee x B Max current draw P fan Number N fans ee current draw ee rating Power factor Power factor ee x D 115V Lamps Watts per wee Number of eee ee current draw 104400 rev 6 MSC 4 Manual Speed Control user manual Phason Installing the MSC 4 The Manual Speed Control must be installed by a qualified electrician Before installing or servicing the Manual Speed Control switch OFF the power supply at the source Install the Manual Speed Control and all equipment connected to it according to local electrical codes Mount the unit on a sheltered vertical surface with the electrical knockouts facing down Use a screwdriver to tighten the screws in the enclosure Do not use a drill or over tighten the screws this can crack the enclosure and ruin the watertight seal Use the electrical knockouts for bringing wires or cables into or out of the enclosure Use watertight strain reliefs or conduit connectors at all cable entry points Do not make additional holes in the enclosure this can damage the watertight seal or component
5. it and provide proof of purchase upon request All transportation charges for products submitted for warranty must be paid by the purchaser Except to the extent prohibited by applicable law no other warranties whether expressed or implied including warranties of merchantability and fitness for a particular purpose shall apply to this product Any implied warranties are excluded Phason ts not lable for consequential damages caused by this product Phason does not assume or authorize any representatives or other people to assume any obligations or liabilities other than those specifically stated in this warranty Phason reserves the right to improve or alter the MSC 4 without notice Phason controls are designed and manufactured to provide reliable performance but they are not guaranteed to be 100 percent free of defects Even reliable products can experience occasional failures and the user should recognize this possibility If Phason products are used in a life support ventilation system where failure could result in loss or injury the user should provide adequate back up ventilation supplementary natural ventilation or an independent failure alarm system The user s lack of such precautions acknowledges their willingness to accept the risk of such loss or injury 2 Terracon Place Winnipeg Manitoba Canada Phone 204 233 1400 E mail Support phason ca R2J 4G7 Fax 204 233 3252 Web site www phason ca 4 2006 08 29
6. s and void the warranty The Manual Speed Control is for controlling shaded pole permanent split capacitor or universal motors only 1 Mount the unit on a sheltered vertical surface with the electrical f Insulate using a knockouts facing down 31 wire nut or similar connector 2 Before removing electrical knockouts remove the cover to prevent Service damaging the control Panel 15 230 VAC 3 Use watertight strain reliefs or conduit connectors at all cable entry points 4 Connect the wires as shown 5 Fasten the cover to the base of the control TE Operation The MSC 4 is set at the factory for use with 230 VAC variable speed fans To optimize the MSC 4 for 115 VAC variable speed fans 115 VAC lamps ora particular fan see Setting the high low limits on page 3 B Connect all ground wires to the grounding terminal located near the cable entry points O Fuse 15 A 250 VAC ceramic TER Use liquid tight tors at the cable entry points and seal with To use the MSC 4 place the power switch in the ON position and then a e a a adjust the control knob for the desired speed or output Caution For controlling shaded pole permanent split capacitor universal motors or incandescent lamps only Caution Destin uniquement la commande de moteurs universels bague de d phasage condensateur permanent ou lumi res incandesence seulement High B A Low limit Low 2 200
7. tensity counter clockwise to lamp intensity 2 Turn the control knob to Low and then adjust the LOW LIMIT clockwise to increase lamp intensity counter clockwise to reduce lamp intensity Turn the trimmer fully counter clockwise to turn the lamps off at this setting Maintaining the MSC 4 Proper care and maintenance will help your MSC 4 last longer To prevent damage to the control perform the following steps after the first two weeks of operation and once a year after that 1 Switch off the power to the control 2 Remove the cover and check inside for moisture If there is any moisture wipe it away using a dry cloth 3 Check all cable entry points to make sure they are properly sealed If they are not properly sealed apply silicone sealant around the entry points If you need to seal the enclosure use a sealant that is labelled as non corrosive electronics grade or N neutral cure such as GE Silicone RTV6780B RTV 142 or RTV 162 Do not use a sealant that is labelled as acetic acid cure or acetoxy cure These sealants release acetic acid while curing which can damage the control and will void the warranty 4 Check all wires to make sure they are properly connected and that they are in good condition 5 Fasten the cover to the enclosure and then switch on the power to the control 104400 rev 6 3 MSC 4 Manual Speed Control user manual Phason Cleaning the MSC 4 To clean the MSC 4 wipe
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