Submittal Sheet

M436A/M836A,B DAMPER MOTORS
60-2119—4
5
M9945
1
1 CLAMP AND CRANKARM LEVER ARE DESIGNED TO FIT TIGHTLY
TOGETHER. IF NECESSARY, TAP THESE PARTS TOGETHER
PRIOR TO MOUNTING ON MOTOR TO ENSURE TIGHTNESS.
CRANKARM
LEVER
CLAMP
OPEN CLOSE
Fig. 5. Exploded view showing how to mount 7640JL
Crankarm Assembly to motor.
Fig. 7. Damper motor directly coupled to damper using
7640JM Mounting Bracket Assembly and 7640JE Drive
Coupling Assembly.
M9940
BRACKET 126809
(7640JM ASSEMBLY)
M9941
BRACKET
126809
BRACKET 128336
OR 128499
7640JL CRANK
ARM ASSEMBLY
Q298B
LINKAGE
1
1ASSEMBLE 7640JL CRANK ARM ASSEMBLY TO MOTOR
AND Q298B LINKAGE TO DAMPER. ADJUST LENGTH
OF STEEL ROD AS NECESSARY. ONE Q298B CRANK
ARM IS NOT NECESSARY AND MAY BE DISCARDED.
Fig. 6. Offset mounting with 7640JL Crankarm Assembly
and Q298B Linkage.
Wiring
CAUTION
Disconnect the power supply before wiring to prevent
electrical shock or equipment damage.
Disconnect the power supply before beginning wiring to
prevent electrical shock or equipment damage. All wiring must
comply with local electrical codes, ordinances and
regulations. Refer to Fig. 8 and 9 for typical hookup diagrams
and to information furnished with the system equipment.
Fig. 8. Typical wiring diagram for M436 Damper Motor.
M9942
1
L1
L2
B
W
R
2
1
2
PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
MAKES R TO B DURING MOTOR POWER (OPEN) STROKE.
L2
LINE VOLTAGE
TWO POSITION
CONTROLLER
TO
AUXILIARY
EQUIPMENT
L1
(HOT)
AUXILIARY
SWITCH
M436A
TO POWER SUPPLY
Fig. 9. Typical wiring diagram for M836 Damper Motor.
M9948
1
L1
L2
B
W
R
2
1
2
PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
MAKES R TO B DURING MOTOR POWER (OPEN) STROKE.
L2
LOW VOLTAGE
TWO POSITION
CONTROLLER
TO
AUXILIARY
EQUIPMENT
L1
(HOT)
AUXILIARY
SWITCH
M836A
TO POWER SUPPLY
24 VOLT
TRANSFORMER