Honeywell 3 Nm-Serie Installationsanleitung

MS7103, MS7503 Spring Return Direct Coupled Actuators
(DCA) are used within heating, ventilating, and air-condi-
tioning (HVAC) systems. They can drive a variety of quarter-
turn, final control elements requiring spring return fail-safe
operation.
Applications include:
• Volume control dampers, mounted directly to the drive
shaft or remotely (with the use of accessory hardware).
• Quarter-turn rotary valves, such as ball valves mounted
directly to the drive shaft.
• Available with cable on all models
• Fast test mode
Control Input /
Output
Model Number Description
MS7103A1021 Modulating (1)
MS7103A2021 Modulating (1),
Feedback
MS7103A2221 Modulating (1),
Feedback
MS7503A2021 Modulating (2),
Floating,
MS7503A2221
Feedback
1
2-10 VDC
2
0(2)-10 VDC, 10-0(2) VDC
https://customer.honeywell.com/en-US/Pages/department.aspx?cat=HonECC%20Catalog&category=Commercial&catpath=1.1
3 Nm Series Spring Return
Direct Coupled Actuators
MS7103, MS7503
Table 1. Models.
SPST 1/2"
Aux 360° Shaft
Switches Conduit Adaptor Torque
No Yes
No Yes
Yes Yes
SCSA
No Yes
Yes Yes
INSTALLATION INSTRUCTIONS
SPECIFICATIONS
Models:
 See Table 1.
Device Weight:
 1.7lbs (0.78 kg)
Ambient Operating Temperature:
 -40° to 150°F (-40° to 65°C)
Shipping and Storage Temperature:
 -40° to +150°F (-40° to +65°C)
Supply Voltage
24 VAC +/-20% @
27 lb-in 50/60 Hz class 2
(3Nm) transformer,
24 VDC +20%/-10%
Driving/ Drive
Holding (VA) (sec)
4/2 90
31-00141M-02