N05, N10 SERIES NON-SPRING RETURN DIRECT-COUPLED DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL

Transcription

1 N, N SERIES NON-SPRING RETURN DIRECT-COUPLED DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL SPECIFICATIONS PRODUCT DATA Supply voltage Nominal voltage Vac/dc -%/+%, /6 Hz Vac/dc, /6 Hz All values stated hereinafter apply to operation under nominal voltage conditions. GENERAL This non-spring return direct-coupled damper actuator provides modulating and floating/-position control for: air dampers, VAV units, air handlers, ventilation flaps, louvers, and reliable control for air damper applications with up to sq ft / lb-in. ( Nm) and sq ft / 88 lb-in. ( Nm) (sealless damper blades; air friction-dependent). FEATURES Declutch for manual adjustment Adjustable mechanical end limits Removable access cover for direct wiring Mountable in any orientation Function selection switch for selecting modulating or floating/-position control Power consumption MN7 VA / W MN7 VA / W Control signal Modulating ()... Vdc Floating/-Position Vac/dc Ambient limits Ambient operating limits F (...+6 C) Ambient storage limits F ( C) Relative humidity...9%, non-condensing Safety Protection standard IP Protection class II as per EN 67- Overvoltage category II Lifetime Full strokes 6 Repositions. million Mounting Round damper shaft /8 in /8 in. Square damper shaft / in / in.; steps Shaft length min. -/8 in. End switches (when included) Rating Class II Triggering points / 8 Torque rating lb-in. (Nm) / 88 lb-in. (Nm) Runtime for 9 mod. (dc / /6 Hz ac) 9 sec floating (dc / 6 Hz ac) 9 sec floating ( Hz ac) sec Rotation stroke 9 + Dimensions see Dimensions on page 8 Weight (without cables). lbs. Noise rating db(a) max. at m U.S. Registered Trademark Copyright Honeywell Inc. All rights reserved 6-6 ENB-GE R8

2 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL PRODUCT IDENTIFICATION SYSTEM M Electrical Motor N Fail Safe Function (Non-Spring Return) 6 V Floating Control 7 V Modulating Control lb-in. ( Nm) 88 lb-in. ( Nm) A Standard Model No Feedback Voltage Feedback Signal No Internal Auxiliary Switches Two Internal Auxiliary Switches XX System Controlled Numbers M N 7 A XX BASIC FEATURES Contents of Package The delivery package includes the actuator, parts through 6 (see Fig. ), plus two cable grommets and a spare cable grommet. RUN MODES The function selection switch (see Fig. ) can be used to place the actuator into any one of two different modes: ; the floating/-position run mode ( for CCW-closing dampers or for CW-closing dampers); and the modulating run mode. MODULATING... V... V... V... V FLOATING/-POSITION... V... V... V... V Fig.. Function selection switch SERVICE/OFF... V... V... V... V M9 Power-Off Behavior If power is removed, the shaft adapter remains in position. 6 Modulating U([]...V) Y([]...V) ~ v ~/+ Floating/-Pos. CCW(V~/+) CW(V~/+)... V... V... V... V ~ M89 If the function selection switch is set to the position, then all rotary movement is cancelled, and all control signals are ignored, thus allowing the actuator to be manually operated safely. Floating/-Position Run Mode Without Feedback Signal If, however, the function selection switch has been set to one of the two floating/-position control settings - but the actuator has not been wired for a feedback signal (see Fig. and Fig. ) - then as soon as operating power is applied, the shaft adapter will run according to the control signals applied. Fig.. Setting units and control elements Legend for Fig. : ) Universal shaft adapter ) Mechanical end limits (manually adjustable) ) Declutch button ) Function selection switch ) Removable access cover 6) Anti-rotation bracket With Feedback Signal If the function selection switch has been set to one of the two floating/-position control settings - and if the actuator has been wired for a feedback signal (see Fig. and Fig. ) - then as soon as operating power is applied, the shaft adapter will likewise run first completely counterclockwise and then completely clockwise (see also section Adaption ), after which it will run according to the control signals applied. Modulating Run Mode If the function selection switch has been set to one of the four modulating control settings - and if the actuator is wired correspondingly (see Fig. ) - then as soon as operating power is applied, the shaft adapter will run first completely counterclockwise and then completely clockwise (see also section Adaption ), after which it will run according to the control signals applied. 6-6 ENB-GE R8

3 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL Table describes, for the floating mode, the shaft adapter behavior ( stops, rotates CCW, or rotates CW ) in dependence upon the control signals applied to terminals and and upon the function selection switch setting. Table describes, for the -position mode, the shaft adapter behavior ( stops, rotates CCW, or rotates CW ) in dependence upon the control signals applied to terminals and and upon the function selection switch setting. Table describes, for the modulating mode, the shaft adapter behavior ( stops, rotates totally CCW, rotates totally CW, runs to proportional position, or runs to % of max. stroke) in dependence upon the control signals applied to terminals and and upon the function selection switch setting. Table. Shaft adapter behavior in the floating mode control signal at switch settings terminal terminal []...V...[] V open open -- stops stops stops -- open Vac/dc -- CCW stops CW -- Vac open -- CW stops CCW -- Table. Shaft adapter behavior in the -position mode control signal at switch settings terminal terminal []...V...[] V Vac open -- CW stops CCW -- Vac Vac/dc -- CCW stops CW -- Table. Shaft adapter behavior in the modulating mode control signal at switch settings terminal terminal []...V...[] V open < min control signal plus. V between min. control signal plus. V and max. control signal minus. > max. control signal minus. V open totally CCW -- stop -- totally CCW Vac/dc % -- stop -- % open totally CCW -- stop -- totally CW Vac/dc % -- stop -- % open proportional -- stop -- proportional Vac/dc % -- stop -- % open totally CW -- stop -- totally CCW Vac/dc % -- stop -- % 6-6 ENB-GE R8

4 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL FINAL POSITION OF SHAFT ADAPTER (% OF MAX. STROKE) M9 Fig.. Final shaft adapter position in dependence upon control signal (example function selection switch setting of... V) CURRENT POSITION OF SHAFT ADAPTER (% OF MAX. STROKE) UPPER DEAD BAND (9.76 TO. V) RANGE OF PROPORTIONAL ACTUATOR MOVEMENT (. TO 9.76 V) LOWER DEAD BAND ( TO. V) CONTROL SIGNAL (V) FEEDBACK SIGNAL (V) M9 Fig.. Feedback signal in dependence upon current position of shaft adapter (example function selection switch setting of... V) Adaption Adaption is a function in which the actuator re-maps its feedback signal and control signal in accordance with repositioned mechanical end limits (see also Fig. 6) and thus recognizes their new positions. (BEFORE) FINAL POSITION OF ACTUATOR (% OF MAX.) (AFTER) (AFTER) NEW POSITION OF UPPER MECHANICAL END LIMIT AFTER ADAPTION BEFORE ADAPTION NEW POSITION OF LOWER MECHANICAL END LIMIT (BEFORE) CONTROL SIGNAL (V). M9 Fig.. Adaption (function selection switch set to... V) Adaption will be carried out whenever the actuator is in the modulating mode or the floating plus feedback mode or the - position plus feedback mode and the user powers up (from a totally powerless condition) the actuator; or the user sets the function selection switch to the Service/ Off setting for at least seconds and then back to its previous setting; or the control signal's value rises up into the upper dead band (i.e. to more than the max. control signal minus. V) or drops down into the lower dead band (i.e. to less than the min. control signal plus. V), after which the shaft adapter must then remain at the respective (upper or lower) mechanical end limit for at least seconds. However, in this case, the actuator will then recognize the position of only the respective (upper or lower) mechanical end limit. Overriding An override is a condition in which a V signal is applied to terminal of an actuator in the modulating mode, thus causing the actuator to ignore the control signal at terminal, whereupon it will instead move to a position of % of its maximum stroke (see Table ). Feedback If correspondingly wired (see Fig., Fig. and Fig. ), the actuator provides, via terminal, a feedback signal proportional to the actual position of the shaft adapter. MANUAL ADJUSTMENT IMPORTANT To prevent equipment damage, you must remove power or set the function selection switch to the position before manual adjustment. 9 FINAL POSITION OF ACTUATOR (DEGREES) 6-6 ENB-GE R8

5 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL After removing power or setting the function selection switch to the position, the gear train can be disengaged using the declutch button, permitting the shaft adapter to be manually rotated to any position. If you have wired the actuator for feedback signal, then, after adaption, the feedback signal will follow the new position. Limitation of Rotation Stroke Two adjustable mechanical end limits are provided to limit the angle of rotation as desired (see Fig. 7). The mechanical end limits must be securely fastened in place. INSTALLATION CAUTION To avoid personal injury (electrical shock) and to prevent equipment damage, before installation, you must remove power. These actuators are designed for single-point mounting. Mounting Instructions All information and steps are included in the Installation Instructions (Product Literature No. 6-) supplied with each actuator. Mounting Position The actuators can be mounted in any position (IP is dependent upon orientation; see Fig. 9). Choose a mounting position permitting easy access to cables and controls IP IP IP IP M9 Fig. 6. Mechanical end limits To ensure tight closing of the dampers, the shaft adapter has a total rotation stroke of 9. After adjusting the mechanical end limits, the user should trigger adaption (see section Adaption ). INTERNAL END SWITCHES The internal end switches A and B are changeover switches which are activated when the shaft adapter moves past a position of and 8, respectively (see also Table ). CHANGEOVER SWITCH A ACTIVATED WHEN SHAFT ADAPTER MOVES PAST CHANGEOVER SWITCH B ACTIVATED WHEN SHAFT ADAPTER MOVES PAST M6 Fig. 7. Internal end switch triggering points NOTE: Fig. 8. Mounting for IP M9 Further, in order to guarantee IP, only original Honeywell grommets may be used. Anti-Rotation Bracket and Screws If the actuator is to be mounted directly on a damper shaft, use the anti-rotation bracket and screws included in the delivery package. The min. distance between the center of the damper shaft and the middle of the anti-rotation bracket is. in.; a max. of. in. is allowed (see also Fig. ). Depending upon the specifics of your mounting site, the actuator may shift in position slightly while tightening the screws at the top of the shaft adapter. The anti-rotation bracket features a T-piece with a -mm-long shank to accommodate for this movement. It is important to ensure that this play is not impeded. Universal Shaft Adapter The universal shaft adapter can be used for shafts of various diameters and shapes (round: /8.../8 in. and square: /.../ in.). 6-6 ENB-GE R8

6 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL WIRING Wiring Diagrams CAUTION To avoid personal injury (electrical shock) and to prevent equipment damage, before wiring, you must remove power. Access Cover IMPORTANT Once the access cover has been removed, please take care to avoid damaging any of the parts now accessible. The access cover can be unscrewed and removed in order to gain access to the terminal block(s) and perform wiring. VAC MN7, MN7 FLOATING: DIR LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. VDC SUPPLY ACCEPTABLE. []... V REQUIRED FOR FEEDBACK USE Fig.. MN7/MN7 (floating mode) ACTUATOR V OR + OR N/A FEEDBACK... V... V... V... V M98 MN7, MN7 TWO-POSITION: DIR ACTUATOR S6 S S S S S6 S S S S VAC V OR + OR N/A REMOVABLE ACCESS COVER Fig. 9. Access Cover M96 LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. VDC SUPPLY ACCEPTABLE. []... V REQUIRED FOR FEEDBACK USE FEEDBACK... V... V... V... V M99 Wiring Diagrams Fig.. MN7/MN7 (-position mode) MN7, MN7 MODULATING: []... V,... [] V ACTUATOR END SWITCHES (CLASS II-ONLY) 8 VAC []... V V OR + POS % = OVERRIDE OPTION LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. VDC SUPPLY ACCEPTABLE. []... V FEEDBACK... V... V... V... V M97 Fig.. MN7/MN7 (modulating mode) NOTE: S S S S S6 Fig.. End switches M Both of the internal end switches must be connected to the same power source. Table and Table summarize the information presented in the preceding wiring diagrams. 6-6 ENB-GE R8 6

7 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL. Table. Signals at terminals mode terminal modulating floating -position V ~/+ (power) unused or (with feedback) V ~/+ (power) unused or (with feedback) V ~/+ (power) common ~/- common ~/- common ~/- []... V (control) V ~/+ (control signal) V ~/+ (control signal) V ~/+ (override) V ~/+ (control signal) V ~/+ (control signal) []... V (feedback) unused or (with feedback)... V unused or (with feedback)... V NOTE: All cables connected to these terminals must be equipped with spark suppression. Table. Internal end switches terminal type of switch S common lead for switches A and B S, S change-over switch A (S/S opens and S/S closes when shaft adapter moves CW past ; reverts to original state when shaft adapter moves CCW past ). S, S6 change-over switch B (S/S opens and S/S6 closes when shaft adapter moves CW past 8 ; reverts to original state when shaft adapter moves CCW past 8 ) ENB-GE R8

8 N, N SERIES DAMPER ACTUATORS FOR MODULATING AND FLOATING CONTROL DIMENSIONS -/8 () -9/ () -/ (8) -/ (8) -7/6 (6) -9/ (66) M Fig.. Dimensions (in in.) Automation and Control Solutions Honeywell International Inc. Honeywell Limited-Honeywell Limitée 98 Douglas Drive North Dynamic Drive Golden Valley, MN Scarborough, Ontario MV Z9 customer.honeywell.com U.S. Registered Trademark Honeywell International Inc. 6-6 ENB-GE R8 A.A.. 8-