User Guide

4
TYPICAL APPLICATIONS (wiring diagrams)
INSTALLATION
Inspection Inspect the package for damage. If damaged, notify the appropriate carrier immediately.
If undamaged, open the package and inspect the device for obvious damage. Return
damaged products.
Requirements • Job wiring diagrams
• Tools (not provided):
– Digital Volt-ohm Meter (DVM)
– Appropriate screwdriver(s) for cover and mounting screws
– Appropriate drill and drill bit for mounting screws
– Appropriate wrenches for adjustment of damper and valve linkages
• Appropriate accessories
• Mounting screws (not provided)
• Training: Installer must be a qualified, experienced technician
2
MA-305
MA-405
Series Actuator
1 Actuator rotates 180 ° CW when thermostat or switch contacts are closed.
Actuator spring returns when thermostat or switch contacts are open.
2 Aux. Switch for -500 Models
Thermostat
or Switch
L1 or H
L2 or G
Motor
Field Coil
1
NC
NO
COM
Figure-1 Typical Wiring for MA-305 and MA-405 Series.
3
2
4
MA-318, MA-416
MA-418, MA-419
Series Actuator
1 Actuator rotates 180 ° CW when thermostat or switch contacts are closed.
Actuator spring returns when thermostat or switch contacts are open.
2 High Input (Running)
3 Low Input (Holding)
4 Aux. Switch for -500 Models
NO
NC
Thermostat
or Switch
L1 or H
L2 or G
1
NC
NO
COM
Figure-2 Typical Wiring for MA-318, MA-416, MA-418, and MA-419 Series.