| Medium Temperature Range: -22 to +250°F | 27 lb-in. (3 N m) up to 1-1/4 in. (≤DN32). (-30 to +121 °C). Fail Safe: MSXX05* Non-Fail Safe: MVN & MNXX05* |
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| Close-off pressure: 100 psid | * These actuators are available as factory-installed assemblies. |
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| Flow Characteristics | See Table 1 for all available options. Approvals Standards Actuators: See literature for the given actuator. 1. Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone directory). 2. Honeywell Customer Care 1985 Douglas Drive North Golden Valley, Minnesota 55422-4386 3. http://customer.honeywell.com or http://customer.honeywell.ca Table 1. VRN Model |
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| Actuator | Fail Position Accessories |
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| VR - Pressure Independent Control Valve | MVN613A0000* (Leave blank) = No cable |
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| N- Female NPT threaded | MVN643A0000* C1 - 1 meter cable 2- 2 way MVN713A0000* C3 - 3 meter cable |
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| MN6105A1011 | (Leave blank) = Fail in place MN6105A1201 |
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| A - 1/2 (DN15) | MN7505A2001 |
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| B - 3/4 (DN20) | MN7505A2209 C - 1 (DN25) (Leave blank) = No |
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| D - 1-1/4 (DN32) | MS7505A2030 encolsure |
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| E - 1-1/2 (DN40) | MS7505A2130 3R - NEMA 3R Enclosure F - 2 (DN50) |
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| G - 2-1/2 (DN65) | MS8105A1030 |
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| H - 3 (DN80) | MS8105A1130 |
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| xxx.xx - Max flow rate designator | MS4105A1030 |
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| See Table 4. | MS4105A1130 FSO = Fail Safe Open FSC = Fail Safe Closed |
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| P - Plated Brass | MS7103A2021* |
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| S - Stainless Steel | MS7103A2221* |
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| A - Standard Base | MS3103A1023* (Leave blank) = 3 ft cable |
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| X - MN/MS DCA | MS3103A1223* standard Actuator Bracket MS7503A2021* MS7503A2221* |
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| VR N 2 | A 001.00 P A + MVN613A0000 + + C1 3 38-00032—03 Table 2. Actuator Control Description. |
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| MVN613A0000 | Floating, Two-position (SPDT) (90 sec. timing), 24 V, Fail in Place |
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| MVN643A0000 | Floating, Two-position (SPDT or SPST) Fast Acting (30 sec. timing), 24 V, Fail in Place |
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| MVN713A0000 | 0(2)-10 Vdc Modulating, 24 V, Fail in Place |
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| MN6105A1201 | Floating, Two-Position (SPDT), 24 V, Fail in Place with end switches |
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| MN7505A2001 | 0(2)-10 Vdc Modulating, 24 V, Fail in Place |
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| MN7505A2209 | 0(2)-10 Vdc Modulating, 24 V, Fail in Place with end switches |
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| MS7505A2030 | Universal, 0(2)-10 Vdc Modulating, Floating, Two-position (SPDT), 24 V, Fail Safe |
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| MS7505A2130 | Universal, 0(2)-10 Vdc Modulating, Floating, Two-Position (SPDT), 24 V, Fail Safe with end switches |
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| MS8105A1030 | Two-Position (SPST), 24 V, Fail Safe |
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| MS8105A1130 | Two-Position (SPST), 24 V, Fail Safe with end switches |
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| MS4105A1030 | Two-Position (SPST), 120 V, Fail Safe |
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| MS4105A1130 | Two-Position (SPST), 120 V, Fail Safe with end switches |
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| MS7103A2021 | 2-10 Vdc Modulating, 24 V, Fail Safe |
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| MS7103A2221 | 2-10 Vdc Modulating, 24 V, Fail Safe with end switches |
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| MS3103A1023 | Sylk-enabled, 24 V, Fail Safe |
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| MS3103A1223 | Sylk-enabled, 24 V, Fail Safe with end switches |
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| MS7503A2021 | Universal, 0(2)-10 Vdc Modulating, Floating, Two-Position, 24 V, Fail Safe |
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| MS7503A2221 | Universal, 0(2)-10 Vdc Modulating, Floating, Two-Position, 24 V, Fail Safe with end switches Table 3. Pressure Independent Valve Short Order Codes ½” – 3”. Model Selection: Control Valve Body Flow Type Max Flow Rate Valve Size Actuator Adapter Valve Trim |
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| VRN - Pressure Independent Control Valve | 0 - No Actuator (valve only) 00 - None 2 - 2-way 1 - 24 Vac, Floating/2-Pos., 90 sec. (MVN613, Fail in place)* 00 - None 2 - 24 Vac, Floating/2-Pos., 30 sec. (MVN643, |
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| A---1/2 (DN15) | Fail in place)* 01 - 1 m Cable (C1) |
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| B---3/4 (DN20) | 03 - 3 m Cable (C3) |
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| C---1 (DN25) | 3 - 24 Vac, Modulating 0(2)-10 Vdc (MVN713, |
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| D---1-1/4 (DN32) | Fail in place)* 0 - No Actuator |
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| E---1-1/2 (DN40) | or Fail in Place (FIP) 4 - 24 Vac, Floating/2-Position F---2 (DN50) (MN6105, Fail in place) G---2-1/2 (DN65) |
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| H---3 (DN80) | 5 - 24 Vac, Mod. 0(2)-10 Vdc (MN7505, Fail in place) C - 24 Vac, Floating/2-Position w/ end switches (MN 6105, Fail in place) D - 24 Vac, Mod. 0(2)-10Vdc w/ end switches (MN7505, Fail in place) 6 - 24 Vac, Mod. 0(2)-10 Vdc/Floating (MS7505, 00 - None |
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| Fail safe) | 02 - NEMA 3R enclosure |
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| Flow Rate (GPM) | 7 - 24 Vac, 2-Position (MS8105, Fail safe) |
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| Options range from B-9. | 8 - 100-250 Vac, 2-Position |
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| P - Nickel Chrome | 9 - 100-250 Vac, 2-Pos. w/ end switches (MS4105, Fail safe) Plated Brass A - 24 Vac, 2-Position w/ end switches S - 316 Stainless Steel (MS8105, Fail safe) 1 - Fail Safe Open (FSO) B - 24 Vac, Mod 0(2)-10 Vdc/Floating w/ end 2 - Fail Safe Closed (FSC) switches (MS7505, Fail safe) A - Standard Base E - 24Vac, Mod. 2-10 Vdc |
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| Actuator Bracket | F -24Vac, Mod. 2-10 Vdc w/ end switches (MS7103, Fail safe)* G - 24Vac, Sylk Enabled (MS3103, Fail safe)* 01 - 3 ft Cable H - 24Vac, Sylk Enabled w/ end switches (MS3103, Fail safe)* J - 24Vac, Universal 0(2)-10Vdc / Floating / 2- Position (MS7503, Fail safe)* K - 24Vac, Universal 0(2)-10Vdc / Floating / 2- Position, w/ end switches (MS7503, Fail safe)* |
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| VRN 2 A B P A | 1 0 00 5 38-00032—03 Table 4. VRN Flow Rate (GPM) and Differential Pressure with Short Order Code Indicator. |
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| ΔP range | Head Short Order Code Indicator Size (inch) (psi) (psi) (psi) B D E F G H J K L M N P Q R S T U 1 2 3 4 5 6 7 8 9 |
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| VRN2A | 0.5 3 35 3 1 2 3 4 5 6 7 3 35 3 1 2 3 4 5 6 7 |
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| VRN2B | 0.75 6 35 6 8 9 10* 3 35 3 1 2 3 4 5 6 7 |
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| VRN2C | 1 6 35 6 8 9 4 50 4 10 15 20 4 50 4 10 15 20 |
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| VRN2D | 1.25 5 50 5 25 30 6.5 58 6.5 35* 4 50 4 10 15 20 5 50 5 25 30 4 58 4 35 |
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| VRN2E | 1.5 6 58 6 40 45 50 7 58 7 55 60 65 70 75 80 85 11 58 11 95* 4 50 4 10 15 20 5 50 5 25 30 |
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| VRN2F | 2 4 58 4 35 6 58 6 40 45 50 7 58 7 55 60 65 70 75 4 58 4 25 30 35 6 58 6 40 45 50 |
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| VRN2G | 2.5 7 58 7 55 60 65 70 75 80 85 11 58 11 95* 4 58 4 25 30 35 6 58 6 40 45 50 |
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| VRN2H | 3 7 58 7 55 60 65 70 75 80 85 11 58 11 95* CLEARANCE ABOVE ACTUATOR 3/4 (19) M34967 Fig. 1. Valve Dimensions with MVN Actuator; see Table 5. Table 5. Valve Dimensions with MVN Actuator. |
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| 重量 | Service Replacement |
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| NPT | in. S.I. metric Min. Rating Max. Rating Full Port A B C D E F G lb. (kg) Parts |
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| MVN Actuator | SPECIFICATIONS Actuator Type: Valve Rotational Stroke: 90° ±3°. Fail Safe Mode: Non-spring return, Fail in place Torque: 27 lb-in. (3 N m). External Auxiliary Switches Available: No Supply Voltage: 24 Vac +20%, -15%, 24 Vdc Power Consumption: 5 VA- Modulating, 1.5 VA - Floating, 6 VA - Fast Acting SPDT Environmental Rating: NEMA2 |
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| APPLICATION | Frequency: 50 Hz; 60 Hz Mounting: Click-on installation – no tool required Operating Humidity Range (% RH): |
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| FEATURES | 5 to 95% RH, non-condensing Ambient Temperature Range: |
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| • Non-spring Return | -4°F to 131°F (-20°C to 55°C) Storage Temperature Range: Dimensions: See Fig. 1 and Table 5. |
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| inches. | Timing: 90 sec. (+/-10%) for MVN613 and MVN713; 30 sec. (+/-10%) for MVN643 |
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| positions. | Electrical Connections: Field wiring 18 to 20 AWG to screw terminals, located under the removable access cover. Humidity Ratings: 5% to 95% RH non-condensing. |
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| G | Design Life (at Rated Voltage): 60,000 cycles; 1 cycle = 0°…90°…0° Cable Specification: 18 AWG, Plenum Rated, 300 V, 10 A, 1 m or 3 m length |
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| CLEARANCE ABOVE ACTUATOR 3/4 (19) | available. Environmental Protection Ratings: IP40. Approvals: |
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| E | UL/cUL UL60730 Table 7. Actuators and Accessories |
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| MVN WITH 2-WAY BALL VALVE | MVN613A0000 Floating control ball valve actuator M34969 C1- 1 meter cable MVN643A0000 Fast acting SPDT contol ball valve actuator C3 - 3 meter cable Fig. 3. Dimensions; see Table 5 on page 7. MVN713A0000 Modulating control ball valve actuator To order actuator with accessories order actuator part number + accessory. For example: MVN613A0000 + C1 9 38-00032—03 |
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| Non-Spring Return Direct Coupled | Maximum Noise Rating, Driving (dBA @ 1m): 35 |
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| FEATURES: | Comments: Integral 1/2 in. NPSM conduit connection. |
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| • Declutch for manual adjustment | Approvals: CE: 89/336/ECC, 73/23/EEC |
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| • Adjustable mechanical end limits | C-Tick: N314 (22 to 14 AWG) for electrical connections Canadian Underwriters Laboratories, Inc.: cUL C22.2 No. 24-93 cable 1-5/8 floating/2-position control 3-11/32 |
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| Actuator Type: Damper; Valve | (85) |
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| Rotational Stroke: 95° ±3 degrees | 4-1/4 5-9/32 (108) (134) |
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| Environmental Rating: NEMA2 | 2-7/16 2-19/32 (62) (66) M23103A Fig. 4. Non-spring return direct coupled actuator dimensions in inches (mm). |
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| Spring Return 3 Nm Diamond | Cable Specification: Power Cable: Plenum Rated, 3 ft (0.914 m) length from end of access cover, 18 AWG Switch Cable: Appliance Rated, 3 ft (0.914 m) length from end of access cover, 18 AWG Ingress Protection Rating: IP54 Environmental Rating: NEMA 2 Frequency: 50 Hz; 60 Hz Mounting: Direct Coupled Maximum Noise Rating, Driving (dBA @ 1m): < 40 Maximum Noise Rating, Spring Return (dBA @ 1m): < 65 R |
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| 防護等級 | UL60730 |
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| range of shaft sizes | UL1097 for Double Insulation CE Certification Low Voltage Directive 2014/35/EU |
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| • Fast test mode | CE EMC 2004/108/EC 2-7/8 (73) (40) limits 6-1/2 5-3/8 (178) (137) |
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| Spring Return Torque: 27 lb-in (3 Nm) | 3-17/64 (83) |
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| FOR 1/2 INCH SHAFT. | M37351 Fig. 5. Dimensions in in. (mm). 11 38-00032—03 |
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| Spring Return Direct Coupled | Frequency: 50 Hz; 60 Hz |
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| protection on all models | Includes: Mounting bracket, self-centering shaft adapter |
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| cable | cUL C22.2 No. 24-93 3-55/64 (98) |
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| limits | 3-5/32 (80) 1-9/16 1-15/16 47/64 (40) (49) 2-27/64 (61) (19) 1-1/8 |
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| • Shaft position indicator and scale | (29) 1-1/16 (27) |
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| SPECIFICATIONS | 4-9/16 (116) 6-61/64 (177) |
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| External Auxiliary Switches Available: No | Fig. 6. Spring return direct coupled actuator dimensions in inches (mm). Table 8. Actuator Accessories and Replacement Parts. Couple Actuators MVN613A0000 MVN643A0000 MVN713A0000 MN Non-Fail- Direct Couple MS Fail-Safe Safe Direct Actuators |
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| Part Number | Description |
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| MVNAAA | Replacement Valve Adaptor x x x |
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| MVNAAL | Replacement Valve Adaptor, Low Profile |
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| MVNAC7131 | Replacement Cable with Terminal 1m, Modulation x (RED, BLACK, WHITE) |
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| MVNAC6131 | Replacement Cable with Terminal 1m, Floating x x (RED, BLACK, WHITE) |
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| MVNAT3 | Replacement Screw type Terminal Block, Pluggable x x x |
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| Q7002B1009 | Universal Interface Module x x |
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| STRN-SCSA | Self-centering Shaft Adapter x |
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| STRN-STRNRLF | Stain Relief Fitting (10 pack) x 13 38-00032—03 |
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| Application Notes | Required Operating Torque Both Honeywell non-spring return MVN and spring return |
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| IMPORTANT | low torque direct coupled actuators can be utilized with the Valve sizing is important for correct system VRN2 valves. VR valves use a patented seat design that operation. Undersized valves do not have sufficient reduces the torque needed from the actuator. capacity at maximum load. Oversized valves do not have sufficient authority over the load in Table 9. Close-off, Differential Pressure Ratings |
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| restricted opening. | 2 way 1/2 in., 3/4 in. 100 1 in., 1-1/4 in., 1-1/2 in. 100 floating (tri-state), or two-position signal as indicated in Honeywell. Actuator shall provide minimum torque |
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| Do not use with manual balancing valves. | required for full valve shutoff position. Wiring terminals shall be provided for installation to control signal and |
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| the system voids the valve warranty. | Actuator shall be available with housing suitable for outdoor installation. |
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| Effective Flow Rate | Accessories Identification tags shall be available for all |
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| and elbows. | chemically nickel-plated brass. Manufacturer shall be able to provide optional 316 stainless steel ball and stem. The piping. Teflon™ seals shall hold the stem in alignment, and |
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| valves have: | be isolated from system treatment chemicals by a reservoir |
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| characterized flow control insert. | with minimum 600 psi rating. |
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| 安裝 | 3. Eliminate air from system. Two-way valves are marked to show flow direction. IMPORTANT |
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| When installing this product... | Flow arrows must point in the direction of the flow 1. Read these instructions carefully. Failure to follow for proper operation. them could damage the product or cause a |
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| hazardous condition. | 5. Stem rotation: 2. Check ratings given in instructions and on the a. For two-way valves: product to ensure the product is suitable for your (1) Clockwise to close. |
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| application. | (2) Counterclockwise to open. 3. Installer must be a trained, experienced service NOTE: After valves have been installed in the piping, technician. the installer can determine the ball 4. After installation is complete, check out product orientation within the valve from the notches operation as provided in these instructions. in the top of the valve stem. For two-way valves, the lengthwise direct |
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| Preparation | indicates the flow through the ball (i.e. when the notch is parallel to the axis of the valve between A and B ports, the ball will allow flow through the valve). CAUTION |
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| Equipment Damage Hazard | 6. Valve must be mounted with the actuator/bracket Foreign particles like dirt and metal chips can above the valve body. Do not install the valve with the |
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| damage the ball seals. | stem below horizontal or upside down. (See Fig. 8 – 10.) For trouble-free operation of the product, good installation practice must include initial system FLOW FLOW flushing, and chemical water treatment. Clean the 2-WAY; OPEN 2-WAY; CLOSED lines upstream of particles larger than 1/16 inch diameter (welding slag, pipe scale, sand and other suspended particulate). Use of a 50 micron (or finer) syst |
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| solutions). | NOTES: FOR 2-WAY VALVES TO MOUNT ACTUATOR ON OPEN VALVE, TURN ACTUATOR FULLY COUNTER CLOCKWISE AS SHOWN. FOR 2-WAY VALVES TO MOUNT ACTUATOR ON CLOSED VALVE, TURN ACTUATOR FULLY CLOCKWISE AS SHOWN. If installing these valves in an addition to, or M34979 retrofitting an existing building, do not assume that the fluid in the existing piping meets these criteria. Fig. 7. Orientation of valve. Hold val |
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| M34954 | STEM RETAINER PLATE |
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| Fig. 10. Vertical valve installation. | VALVE BODY ** INCLUDED IN REPLACEMENT KIT (PART NO. 5112-11). M29526B Fig. 11. Actuator mounting plate adjustment. Mounting Plate Adjustment NOTE: See Fig. 11 for valve exploded view. The Actuator Mounting Plate can be rotated to a different position for installation in confined spaces. This is accomplished as follows: 1. Remove the handle from the shaft and set it aside. 2. Remove the two screws |
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| DIRECT | 1 2 3 4 5 SERVICE/OFF REVERSE PROPORTIONAL CONTROLLER 24 VAC FEEDBACK CONTROLLER 2 3 4 2 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 0(2)-10 VDC OF 0(4)-20 mA CONTROL SIGNAL ACCEPTABLE. SET CONTROL SIGNAL DIP SWITCH TO “OFF” FOR VOLTAGE. 1 SET TO “ON” FOR CURRENT. M18947B 24 VAC 3 Fig. 14. MN7505 with 0(2)-10 Vdc Control. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS |
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| M34869A | 5° 85° Fig. 12. MN6105 with On/Off SPDT Control. FLOATING ACTUATOR Direct Service/Off Reverse |
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| S1 | S2 S3 S5 S6 M25214A Fig. 15. Wiring for MN6105 and MN7505 models with aux./end switches. FLOATING 2 3 4 CONTROLLER |
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| FLOATING ACTUATOR | 1 BLACK 24 VAC WHITE 24 VAC BROWN 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS 3 4 AND OVERLOAD PROTECTION AS REQUIRED. M18946A |
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| Fig. 13. MN6105 with Floating Control. | FLOATING CONTROLLER 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M33137D Fig. 16. MVN613 with Floating Control. 17 38-00032—03 |
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| BLACK | PROPORTIONAL ACTUATOR 2 24 VAC DIP SWITCH POSITION 1 2 MODE WHITE |
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| OFF | OFF 2-10V |
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| BROWN | OFF ON 0-10V |
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| ON | OFF 10-2V |
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| FLOATING | WHITE |
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| CONTROLLER | + 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD – |
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| PROTECTION AS REQUIRED. | M33138C 0 (2)-10 VDC CONTROLLER 1 2 3 Fig. 17. MVN613 or MVN643 with Two Position SPDT Control. 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD |
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| WHITE | 24 VAC Fig. 20. MVN713 with 0(2)-10 Vdc Control. BROWN |
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| SPST | CLASS 2 ACTUATOR RED 1 24 VAC V BLACK 2 3 4 WHITE 0°-90°/MODULATING BROWN 90°-0°/FEEDBACK SPDT 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD |
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| PROVIDE DISCONNECT MEANS AND | 10-0 VDC |
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| OVERLOAD PROTECTION AS REQUIRED. | FLOATING, FWD PROPORTIONAL/MODULATING: 4-20mA CONTROLLER OUTPUT WITH FLOATING, REV 500Ω SERIES RESISTOR 2 SET SWITCH TO FLOATING. M37304 PROPORTIONAL ACTUATOR |
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| DIP SWITCH POSITION | Fig. 21. MS7505 with Two Position SPDT Control. 1 2 MODE |
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| CLASS 2 | ACTUATOR |
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| RED | 1 24 VAC V |
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| ACTUATORS | 3 WHITE 0°-90°/MODULATING WHITE |
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| + | 4 BROWN 90°-0°/FEEDBACK |
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| – | 1 LINE VOLTAGE POWER SUPPLY. 2-10 VDC 500 OHMS, PROVIDE DISCONNECT MEANS AND 1/2 W 4-20mA OVERLOAD PROTECTION AS REQUIRED. 10-2 VDC |
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| MINIMUM | CONTROLLER 2 0-10 VDC |
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| PROPORTIONING | 0/2 TO 10 VDC 4 BROWN 90°-0°/FEEDBACK |
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| FEEDBACK | 10-2 VDC 10-0 VDC |
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| FLOATING, FWD | 3 0-10 VDC |
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| ignore selection switch). | 3 WHITE 0°-90°/MODULATING 4 BROWN 90°-0°/FEEDBACK |
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| OHMS, | 90°-0°/FEEDBACK SET SWITCH TO MODULATING FLOATING, REV |
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| FLOATING, REV | RED 1 LINE VOLTAGE POWER SUPPLY. BLACK |
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| CABLE | M37303A Fig. 26. Wiring for MS7103 and MS3103 Auxiliary Switches. Gray/Black = Normally Open. Closed in range 80 degrees to Fully Open. Blue/Brown = Normally Closed. Open in range 10 degrees to Fully Open. 19 38-00032—03 ACTUATOR 1 1 1 24 VAC SPST V 1 24 VAC 2 3 2 V 2 2 3 OR + 0/2 TO 10 VDC |
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| AND OVERLOAD PROTECTION AS REQUIRED. | + 10-2 VDC |
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| M34973 | FEEDBACK 10-0 VDC Fltg, fwd Fltg, rev 1 LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND 1 SPST V OVERLOAD PROTECTION AS REQUIRED. 2 24 VDC SUPPLY ACCEPTABLE. 3 SET SWITCH TO MODULATING. M19577A |
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| ACTUATOR | Fig. 30. MS7505 with override to full closed. 1 LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS |
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| Fltg, fwd | 3 SET SWITCH TO MODULATING. M34976 3 SET SWITCH TO FLOATING. Fltg, rev |
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| M34975 | Fig. 31. MS7505 with 0(2)-10 Vdc Controllers. Fig. 28. MS7505 with Floating Control. ACTUATOR |
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| SPDT | 0-10 VDC Fltg, fwd |
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| Fltg, rev | PROVIDE DISCONNECT MEANS AND 1 LINE VOLTAGE POWER SUPPLY. OVERLOAD PROTECTION AS REQUIRED. PROVIDE DISCONNECT MEANS AND |
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| HOT | BROWN S-BUS COM ACTUATOR S-BUS |
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| S-BUS | ADDRESS 11 1 LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS |
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| PROVIDE DISCONNECT MEANS | ADDRESS 13 |
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| AND OVERLOAD | ADDRESS 14 |
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| control. | 2 24 VDC SUPPLY ACCEPTABLE. 3 ADDRESS SELECTOR Fig. 36. MS3103 with Sylk Bus control. NOTE: All identified parts except for the valve body and aluminum valve stem coupler are included in Replacement Kit (part no. 5112-11). OPERATION AND CHECKOUT |
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| S3 | S2 S1 Once both the mechanical and electrical installations are |
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| M35813 | complete: 1. Cycle the actuator to verify that the direction of rota- Fig. 34. Wiring for MS4105, MS7505, and MS8105 tion suits the control sequence. |
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| models with aux./end switches. | 2. If the rotation direction is incorrect: a. For 2-position and Sylk-enabled spring return actuators: Remove, flip over, and replace actuator on the bracket. 1 24 VAC ACTUATOR b. For floating control actuators: Reverse two control 2 1 signal wires (CW/CCW), or change position of |
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| V | selector switch. 1 24 VAC c. For analog control actuators either: 3 OR + (1) Change setting of reverse/direct-acting 0/2 TO 10 VDC 4 OR N/A switch, or |
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| COM | 3 10-0 VDC 4. Spring return actuators are factory-configured for |
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| M27714 | FLOW 60% OPEN RATE 6 (GPM) 40% OPEN Fig. 37. Change actuator to normally open. 20% OPEN (1) Remove the retainer clip from the 0 Self-Centering Shaft Adapter and set it aside 5.8 8 12 16 22 28 34 40 50 60 |
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| for later use. | DIFFERENTIAL PRESSURE (PSID) M29707A (2) Remove SCSA from actuator. (3) Reinstall SCSA on the opposite side of the Fig. 39. Pressure regulation, large body models. actuator, aligning it based on the stroke labeling. (4) Replace the retainer clip on the shaft coupling SETTINGS AND ADJUSTMENTS using the groove of the coupling. e. Reconnect the actuator to the valve mounting At the full open position |
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| removed (step b). | form 62-3115EFS. Under steady state operation, the f. Tighten the shaft coupling bolt using a 10 mm control system will only require the valve to open enough to |
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| wrench or socket. | satisfy load conditions. During morning recovery from night setback, the controller will usually command the |
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| Operation | valve to 100%. For optimum performance, choose only the next larger valve size needed to satisfy design load. Do not |
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| standard control valves. | If desired, maximum flow may be trimmed to a lesser value in one of two ways: 1. With modulating actuator, limit span of control voltage issued by the building automation controller. Valves with flow control inserts have an equal percentage flow characteristic (See Fig. 40). Each 10% reduction in maximum control voltage will result in a 10% reduction in flow. 100% 80% FULL PORT BALL 60% FLOW 40% 2 |
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| VALVE STEM STROKE | M29551B |
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| behaves as a flow limiter. | Fig. 40. Typical flow characteristics. 2. To mechanically limit stroke, set DCA to full open Follow steps 1 to 6 of “Mounting Plate Adjustment” on position. Loosen shaft coupling and rotate valve page 16, then: shaft to desired maximum flow position, as 1. If the lower packing gland is stuck, remove it with confirmed by pressure measurement across coil, gland removal tool or rubber-tipped dental t |
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| stroke. | CAUTION Avoid scratching the inside of the valve neck. If using mechanical adjustment technique with This may cause a leak when re-assembled. MN/MS7505 modulating actuators, the stroke auto-adaption feature will automatically scale the 2. Carefully remove any fouling or corrosion from inside 2–10 Vdc signal to the mechanical rotation of the of valve. ball. See actuator literature for details. 3. A |
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| flow. | 4. Insert the new stem assembly. Be sure to line up the stem key with the ball slot. |
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| capable of required flow. | 8. Replace the thermal break, shaft, and shaft cover. If shaft has come loose from thermal break, push firmly |
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| Service and Repair | on end of shaft until blade in shaft snaps into thermal break. |
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| Fig. 41. | plate. 10. Snap handle onto top of shaft. |
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| COUNTERSUNK | Any other service to valve such as seat seal replacement SCREWS requires removal of valve from piping. STEM RETAINER PLATE “T” SYMBOL STEM UPPER PACKING GLAND STEM O-RING ASSEMBLY LOWER PACKING GLAND M34994 Fig. 41. Replacing the valve stem in-line. 23 38-00032—03 ® U.S. Registered Trademark |
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| Atlanta, GA 30308 | © 2020 Honeywell International Inc. 38-00032—03 M.S. Rev. 12-20 |
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| customer.honeywell.com | Printed in United States |
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