VA(M)S-27 Series Installation, Operation & Maintenance Manual Continued Technical Specifications - VA(M)S-27 Series Actuator VAS24-27-(A) VAS24-27-T-(A) VAMS24-27-(A) VASU20-27-(A) Spring Return Spring Return Spring Return Spring Return Actuator Models On/Off On/Off & Floating Modulating On/Off with optional Auxillary with optional Auxillary with optional Auxillary with optional Auxillary Switches (-A)
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To avoid excessive wear or drive time on the motor, use a controller and/or software that provides a time-out function to remove the signal at the end of rotation (stall). Disclaimer - The performance specifications are nominal and conform to acceptable industry standards. For application at conditions beyond these specifications, consult the nearest Bray office.
Building (85 to 264 V) at 50/60 Hz: . These bidirectional codes for plenum requirements vary by location. actuators are used on Bray Ball Valves in Heating, Some local building authorities accept compliance Ventilating, and Air Conditioning (HVAC) applications.
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VA(M)S-27 Series Installation, Operation & Maintenance Manual Continued 3. Remove the linkage from Side A (Figure 3). Figure 5: Installing the Linkage 6. Insert fixed pointer and M4x0.7x83 mm long Figure 3: Removing the Linkage screw into the Side A actuator hub (Figure 6). Direct the arrow on the pointer to 100%.
VA(M)S-27 Series Installation, Operation & Maintenance Manual Continued 3. Remove the linkage from Side B (Figure 9). 7. Install the actuator on the ball valve (Figure 7). Tighten the actuator mounting screw to a torque of 10 to 12 lb·in. (1.1 to 1.4 N·m) and snap the large adjustable pointer into place.
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VA(M)S-27 Series Installation, Operation & Maintenance Manual Continued 7. Install the actuator on the ball valve (Figure 13). 5. Install linkage base on Side A using the two Tighten the actuator mounting screw to a #8-32 x 0.625 in. long screws (Figure 11). The torque of 10 to 12 lb·in.
VA(M)S-27 Series Installation, Operation & Maintenance Manual Continued 4. Proceed to actuator mounting instructions. 1. Install the thermal barrier drive shaft into the Follow the same steps as mounting directly thermal barrier by aligning the tab on the drive to the valve when mounting the actuator to shaft with the slot on the thermal barrier the thermal barrier.
VA(M)S-27 Series Installation, Operation & Maintenance Manual Continued The switch point is continuously adjustable 3. Connect the auxiliary switch to a power throughout the actuators’s rotation range. For source or an ohmmeter and apply power to the most accurate switch positioning, see the actuator.
UL Listed, CCN XAPX, File E27734; to UL 60730-1A: 2003-08, Ed. 3.1, Weight 2.0 lb. (2.4 lb w/ Aux. Switches) cations, consult the nearest Bray office. Bray controls shall not be liable for damages resulting from misapplication or misuse of its products. VAS24-27-(A) VAS24-27-T(A) Maximum Full Stroke: 95°...
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