Honeywell MN7234 manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA 63-2587-1 N20, N34 Series MN7220, MN7234 NON-SPRING RETURN DAMPER ACTUATOR 20/34 Nm (175/300 lb-in) FOR MODULA TING CONTROL GENERAL These direct-coupled damper actuators provide modul ating control fo r: • rotary valves, • air handling units, • ventilati on flap s, • louvers, and • reliable control for air damper ap plication[...]

  • Page 2

    N20, N34 SERIES MN7220, MN 7234 63-2587—1 2 ORDERING INFORMATION When purchasing replacement and modernizat io n products from your TRADELINE® whol esale r or distributor , re fer to the TRADELINE® Catalog or price sheets for complete ordering number . If you have additional questions, need further information, or w oul d like to comment on our[...]

  • Page 3

    N20, N34 SERIES MN7220, MN72 34 3 63-2587—1 Rotary Movement The control signal and the correspondi ng rotation direction (clockwise or counterclockwise) can be selected using the rotation direction switch (see part Rotation direction switch in Fig. 2), thus eliminating the need to re-wire. T o ensure tight closing of the dampers, the actuator has[...]

  • Page 4

    N20, N34 SERIES MN7220, MN 7234 63-2587—1 4 V oltage/Current Control Signal Select ion Dip Switch In its default shipping position, the voltage/current control signal dip switch (see Fig. 4) is set to OFF (= voltage control). as shown in Fig. 4. Setting it to ON results in current co ntrol. Position Indication The hub adapter indicates the ro tat[...]

  • Page 5

    N20, N34 SERIES MN7220, MN72 34 5 63-2587—1 Mounting Position The actuators can b e mounted in any d esired orientation (no NEMA2 or IP54 if mounted upside down; see Fig. 10). Choose an orientation permitting easy access to the actuator's cabl es and controls. Fig. 10. Mounting for IP54/NEMA2 Mounting Bracket and Screws If the actuator is to[...]

  • Page 6

    N20, N34 SERIES MN7220, MN 7234 63-2587—1 6 Wiring Diagrams MN7220/MN7234 MN7220 WITH SWITCHES NOTE: I nternal auxilia ry switches S1 and S4 must be connected to the same power source. TERMINAL STRIP 1 MODULA TING CONTROL 24 V ac 24 Vdc 0(2)...10 Vdc 0(4)...20 mA 0(2)...10 Vdc ~ 1~ 1 3Y 3Y 5U 5U 2 2 Connect via sa fety isolatin g transformer! ! c[...]

  • Page 7

    N20, N34 SERIES MN7220, MN72 34 7 63-2587—1[...]

  • Page 8

    Automation and Co ntrol Solutions Honeywell Internation al Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Dri ve North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 customer.honeywell.com N20, N34 SERIES MN7220, MN 7234 ® U.S. Registered T rademark © 2005 Honeywell International I nc. 63-2587—1 M.S. Rev . 10-05 D[...]