Delta Control Products, Inc. 0 West Rose Garden Lane Phoenix, Z 807 6-780-08 DCS-6 Series Spring Return Electronic ctuator Product ulletin Description The Delta DCS-6 direct-coupled spring return electronic actuator is designed for modulating, two-position, and three-position control of building HVC dampers. Features rushless DC motor technology with stall protection C U L US i-directional fail-safe spring return LISTED odels available with dual, independently adjustable auxiliary switches Unique self-centering shaft coupling anual override vailable in 6 lb-in torque preload as shipped from factory echanical range adjustment capabilities UL and cul listed, CE certified Vac/dc compatible pplication Used in constant or variable air volume installations for the control of return air, mixed air, exhaust, and face and bypass dampers requiring up to 6 lb-in (7 Nm) torque. Designed for applications that require the damper to return to a fail-safe position when there is a power failure. odel Number Descriptions Operating Control Cables uilt-in Options odel Number VC ±0% VDC ±% 0 VC ±0% odulating 0-0 VDC -Position -Position Standard Dual uxiliary Switches Offset 0 to VDC Span to 0 VDC DCS-6 DCS-6- DCS-6-T DCS-6-T DCS0-6 DCS0-6- DCS-6 DCS-6- DCS-6-Z DCS-6-Z Consult Delta for more options which are available for this actuator series.
Specifications Power Supply Operating voltage Vac ±0%; Vdc ±% Frequency 0/60 Hz Vac/ Vdc Power consumption running V/.W holding V/W Equipment rating Class, in accordance with UL/CS Class III per EN 6070 Power Supply Operating voltage 0 Vac ±0% 0 Vac Frequency 0/60 Hz Power consumption running and holding 7 V/W Control Signal Input signal (wires 8 ) voltage input signal 0 to 0 Vdc (max. Vdc) input resistance >00K ohms Feedback Signal Position output signal (wires 9 ) voltage output signal 0 to 0 Vdc maximum output current + m, -0. m Function Running/spring return torque 6 lb-in (7 Nm) aximum torque 86 lb-in ( Nm) Runtime for 90 operating with motor 90 seconds closing (on power loss) with spring return seconds typical (60 seconds max. at - F (- C)) ounting Nominal angle of rotation 90 aximum angular rotation 9 Shaft size / to /-inch (6. to 0. mm) dia. / to /-inch (6. to mm) square inimum shaft length /-inch (0 mm) Housing Enclosure NE IP according to EN 60 9 (limited positions, see Installation Instructions 9-07) aterial Die cast aluminum alloy Gear lubrication Silicone free mbient Conditions mbient temperature operation - F to 0 F (- C to C) storage and transport -0 F to 8 F (-0 C to 70 C) mbient humidity (non-condensing) 9% rh gency Certification UL listed to UL6070 (to replace UL87) cul certified to Canadian Standard C. No. -9 Low voltage directive (LVD) 7//EEC EN 60 70-- (Type ) uxiliary Features Dual auxiliary switches C rating (standard cable) C rating (Plenum cable) DC rating (Standard/Plenum cable) Switch Range Switch to 0 Vac C 6 resistive C general purpose Vac C resistive C general purpose to 0 Vdc DC 0 to 90 with intervals Recommended range usage 0 to Factory setting Switch 0 to 90 with intervals Recommended range usage to 90 Factory setting 8 Switching hysteresis Page
Specifications continued Pre-cabled connection 8 WG (0.7mm ) Cable length feet (0.9 m) length Noise level 0 d Life cycle Designed for over 0,000 full stroke cycles at rated torque and temperature Dimensions 8-/8-in. H -/-in. W -/-in. D ( mm H 8 mm W 68 mm D) Weight.9 lbs. (. kg) ctuator Components 6 7 6 Figure. Components of the DCS-6 Spring Return ctuator. 0 9 8 8 7 Legend. ctuator housing. Positioning scale for angle of rotation. DIP switches and cover. Span adjustment. Offset (start point) adjustment 6. ounting bracket 7. Connection cable for power and control signals 8. Connection cable for auxiliary switches or feedback potentiometer 9. Gear train lock pin 0. anual override wrench opening and direction of rotation arrow. uxiliary switches and. Position indicator. Self-centering shaft adapter. Shaft adapter locking clip. Position indicator adapter 6. Key for manual adjustment 7. djustment tool for: auxiliary switches (), offset/span ( and ), and lock pin (9) 8. /-inch NSPT conduit connections Operation DCS-6 odulating Units pply a continuous 0 to 0 Vdc control signal between wire 8 (Y) and wire (G0) to operate the damper actuator. The angle of rotation is proportional to the control signal. 0 to 0 Vdc position feedback output signal is available between wire 9 (U) and wire (G0) to monitor the position of the damper motor. In the event of a power failure or when the operating voltage is shut off, the actuator returns to the "0" position. DCS-6 -Position Units When power is applied, the actuator coupling moves toward the open position "90 ". In the event of a power failure or when the operating voltage is shut off, the actuator returns to the "0" position. Page
Operation continued Overload Protection Life Expectancy DCS-6-T, -Position Units floating control signal controls the damper actuator. The actuator s angle of rotation is proportional to the length of time the signal is applied. Vac/dc control signal to wire 6 (Y) causes the actuator coupling to rotate clockwise. Vac/dc control signal to wire 7 (Y) causes the actuator coupling to rotate counterclockwise. With no control voltage, the damper actuator holds its position. In the event of a power failure, the actuator spring returns to the "0" position. In the event of a blockage in the damper, the actuator is overload protected over the full range to prevent damage to the actuator. n improperly tuned loop will cause excessive repositioning that will shorten the life of the actuator. Sizing anual Override The type of actuator required depends on several factors:. Obtain damper torque ratings (lb-in/ft or Nm/m ) from the damper manufacturer.. Determine the area of the damper.. Calculate the total torque required to move the damper: Torque Rating Damper rea Total Torque = SF. Select a spring return actuator from Page. Safety Factor: When calculating the total torque required, a safety factor should be included for unaccountable variables such as slight misalignments, aging of the damper, etc. suggested safety factor is 0.80. 90º x 7-/ = 90º mm h HOLD 6 7 8 Rotating Locking in place Releasing when power is absent Figure. anual Override. To Release anual Override NOTE: lways turn the key in the direction of the arrow. CUTION: When engaging the gear train lock pin, carefully turn only about degrees until you meet slight resistance. Turning too far will strip the lock pin. Do one of the following: Restore power and send a control signal. When power is absent, do the following:. Insert the mm hex key in the override opening.. Turn the key in the direction of the arrow.. Remove the key. Page
echanical Range djustment The angular rotation is adjustable between 0 and 90 at -degree intervals. To limit the range of shaft movement:. Remove the locking clip and self-adjusting shaft adapter.. Rotate the damper blade shaft to its failed position.. Rotate the shaft coupling to the desired position.. Insert the shaft adapter into the actuator and fasten it with the locking clip. See Figure. NUL OVERRIDE Figure. echanical Range djustment. Control Signal djustment (Offset and Span -Z ) The offset (start point) and span of the control signal can be adjusted. The offset, Uo, can be adjusted between 0 to Vdc. The span, U, can be adjusted between to 0 Vdc. Y S (%) 00 ) ) ) % OPEN Uo U V 0 6 0 0 U O U (max. 0 V) Y U (v) Ys echanical positioning range (00% = angle of rotation 90 ) Yu Control signal Uo Offset (start point) U Span. Uo = 0V, U = V The minimum working range for Ys = 00%. Uo = V, U = 0V The maximum working range for Ys = 00%. Uo = 0V, U 0V Factory setting 0 0 U Uo Factory Setting of 0V Span 0 Offset Figure. The inimum and aximum Control Signal djustment Example: Open the actuator from 0 to 0% ( ) using a control signal of: Umin = V to Umax = 0V Settings Calculating the value of U: U = 00[%] (U max - U min) = 00 x (0 - ) =6 V working angle of rotation in % 0 Uo = V; U = 6V Y S (%) Umin = minimum control signal Umax = maximum control signal 00 0 0 0 8 Uo U (6 V) Y U (v) Umin Umax Figure. Example. Page
Wire Designations pplicable ctuator Vac/dc 0 Vac uxiliary Switches Position Feedback Standard Terminal Symbol Function Designations Color Supply (SP) G Red Neutral (SN) G0 lack 6 Control signal clockwise Y Violet 7 Control signal counterclockwise Y Orange 8 Input signal: 0 to 0 Vdc Y Gray 9 Position output: 0 to 0 Vdc U Pink Line L lack Neutral N White S Switch - Common Q Gray/red S Switch - N.C. Q Gray/blue S Switch - N.O. Q Gray/pink S Switch - Common Q lack/red S Switch - N.C. Q lack/blue S6 Switch - N.O. Q lack/pink P Feedback Potentiometer 0 to 00% P - P a White/red P Feedback Potentiometer Common b White/blue P Feedback Potentiometer 00 to 0% P P c White/pink Wiring Diagrams SUPPLY S S DCS-6 (-) Optional Switches Vac/dc -Position Control S S S S6 NEUTRL N.C. N.O. N.C. N.O. Figure 6. LINE S S DCS0-6 (-) Optional Switches 0 Vac -Position Control S S S S6 NEUTRL N.C. N.O. N.C. N.O. Figure 7. DCS-6-T (-) Optional Switches CW CCW 6 7 N.C. N.O. S S S N.C. N.O. S S S6 Vac/dc -Position Control SUPPLY NEUTRL Figure 8. INPUT OUTPUT 8 9 S S DCS-6 (- ) Optional Switches DCS-6-Z (- ) Optional Switches Vac/dc odulating control SUPPLY S S S S6 N.C. N.O. N.C. N.O. NEUTRL Figure 9. Page 6
70 0 Dual uxiliary Switch DCS-6- DCS0-6- DCS-6-T DCS-6- DCS-6-Z - 0 0 0 0 70 80 90 0 0 0 0 70 80 90 ctuator rotary range with the shaft adapter mounted at position "0". Setting range for switches and Setting interval: Switching hysteresis: NOTE: Use the long arm of the " " to point to the position of switch. Use the narrower tab on the red ring to point to the position of switch To change the settings of and : ake sure the actuator is in the "0", fail safe position. The scale is valid only in the "0" position. Use the adjustment tool provided with the actuator to turn the switch adjustment dials to the desired setting at which a signal is to be given. Factory setting Switch = Switch = 8 60 80 ux Switch djustment 0 0 0 90 0 0 Figure 6. djustable Switching Values for the Dual uxiliary Switches. Dimensions -/6 (0) -/6 (0) /8 () min. (00) 7. 7. -/6 () min. 6 (0) -9/6 (). (8) 8-/8 () min. (00) min. / () min.-/8 (60) min. (00) / () / (9) ft (900) -/8 (60) /" NSPT Page 7