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Honeywell 3 Nm Series Installation Instructions Manual page 7

Spring return direct coupled actuators
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Terminal
Floating Modulating
1
power
power
2
common common
3
0°-90°
control signal control signal
4
90°-0°
5
feedback feedback
Two-Position Models
1
24 VAC
2
1
LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
2
24 VDC SUPPLY ACCEPTABLE.
Fig. 12. Wiring for low-voltage two-position control, MS81
1
SPST
1
LINE VOLTAGE POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
Fig. 13. Wiring for line-voltage two-position control, MS41
3 NM, 5 NM SERIES SPRING RETURN DIRECT COUPLED ACTUATORS
Table 2. Wiring Details.
3 kOhm Economizer
power
common
external minimum position
potentiometer
feedback
1
SPST
V
2
ACTUATOR
M29121
series.
1
V
2
ACTUATOR
M29122
series.
3 Position Economizer
24Vac/Vdc
power
power
common
common
control signal
external minimum position
potentiometer
feedback
Floating, Modulating, and Economizer
Models
1
24 VAC
1
LINE VOLTAGE POWER SUPPLY.
PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2
24 VDC SUPPLY ACCEPTABLE.
SET SWITCH TO FLOATING.
3
Fig. 14. Wiring for SPDT on/off control, MS75 (shown) and
1
24 VAC
1
LINE VOLTAGE POWER SUPPLY.
PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2
24 VDC SUPPLY ACCEPTABLE.
3
SET SWITCH TO FLOATING.
Fig. 15. Wiring for floating control, MS75 (shown) and
7
Two-Position
120–250 Vac
Sylk-enabled
power
power
neutral
common
S-BUS
S-BUS
Analog output
1
2
2
3
0°-90°
4
90°-0°
SPDT
FEEDBACK
5
3
MS74 series.
1
2
2
3
0°-90°
4
90°-0°
FEEDBACK
5
3
MS74 series.
ACTUATOR
V
2-10 VDC
10-2 VDC
0-10 VDC
10-0 VDC
Fltg, fwd
Fltg, rev
M28624
ACTUATOR
V
2-10 VDC
10-2 VDC
0-10 VDC
10-0 VDC
Fltg, fwd
Fltg, rev
M28625
62-0274—07

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