Wiring Schematics - Honeywell ML6874 Product Data

3
SPDT
Controller
W
R
B
W
R
B
Allow 0.5 amps maximum for each device. Actuators and controller can share same transformer providing the
1
VA rating of the transformer is not exceeded and proper phasing is observed.
Use configuration DIP switches to select device functions: Direct acting function (actuator stem moves upwards
2
with R & B closed ) or Reverse acting function ( actuator stem moves downwards with R & B closed ). DO NOT
reverse wiring.
3
SPDT controller can be a low voltage Series 20 "on-off " or Series 60 "floating" (center-off) type.
Configuration
DIP switches
located adjacent
Direct Acting Mode
to the input
terminal block
Reverse Acting Mode
NOTE:
Turn power off before setting the DIP switches.
2
ML6874
W
T6
R
T5
B
2
ML6874
W
T6
R
T5
B
FUNCTION
Fig. 7 Wiring for SPDT controller to ML6874 actuators
24 Vac
Caution:
!
In multiple actuators connection, power supply to all
actuators must be connected in a TRUE parallel fashion
to reduce excessive voltage drop. DO NOT "daisy chain"
i.e. connected to one actutator then branched to another.
DIP SWITCH CONFIGURATION
5
ML6874
WIRING
1
L1
L2
OR
+
T6
28 Vdc
T5
on
off
1 2 3 4
on
off
1 2 3 4