Greenheck IAQ-42 (467954) - Manual (Page 3)

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6. Individual damper sections, as well as entire multiple section assemblies must be
completely square and free from racking, twisting, or bending. Measure diagonally
from upper corners to opposite lower corners of each section.
7. Damper blades, axles, and linkage must operate without binding. Before system
operation, cycle dampers after installation to assure proper operation. On multiple
section assemblies, all sections should open and close simultaneously.
SAFETY DANGER !
Electrical input may be needed for
this equipment. This work should be
performed by a qualified electrician.
Electrical Guidelines
SAFETY CAUTION !
Verify power requirements before wiring
actuator. Greenheck is not responsible for
any damage to, or failure of the unit caused
by incorrect field wiring.
Electrical and/or pneumatic connections to damper actuators should be made in accordance with wiring and piping
diagrams developed in compliance with applicable codes, ordinances and regulations.
Connect electrical connection to terminal strip as shown on drawing (see figure 1).
Installation - cont...
Do not twist
or bow. Mount
damper plumb
in the opening.
A B
AF = BE
AB = CD
C D
E F
HIGH PRESSURE (UP STREAM)
LOW PRESSURE
(DOWN STREAM)
120 VAC ONLY
L1 L2
1-ACTUATOR HOT (ACT 1)
2-ACTUATOR NEUTRAL (ACT 2)
3-ACTUATOR POSITION COMMAND (ACT 3)
4-FLOW OUTPUT (+)
7-FLOW/POSITION SETPOINT (-)
6-FLOW/POSITION SETPOINT(+)
5-FLOW OUTPUT (-)
9-THERMISTOR (-)
8-ACTUATOR POSITION FEEDBACK (ACT5)
12-CONTACT CLOSURE
11-CONTACT CLOSURE
10-THERMISTOR (+)
Fig.1 wiring diagram