Submittal Sheet

ManualsBrandsHoneywell ManualsDamper actuatorsTwo-Position Damper Actuator w/ Spring Return (20 lb-in)

PRODUCT DATA

M436A/M836A,B

Damper Motors

FEATURES

• Motors provide two-position zone control.

• Used to operate outdoor air dampers for combustion

or makeup air, changeover dampers for heating and

cooling systems, minimum position dampers for

ventilation and similar applications.

• Damper motors have an internal spdt switch for

controlling auxiliary equipment, additional motors, or

to provide a burner interlock switch.

• M436 Damper Motors require 120 or 240 Vac, 60 Hz

power; M836 Damper Motors require 24 Vac, 60 Hz

power.

• All models are supplied with a case and cover.

• Spring returns motor to start position in event of

power interruption or failure.

•Hexagonal output shafts on both ends of motor with

rotational direction stamped on motor case.

• M436A and M836A equipped with thermal breaker for

overload protection during lifting stroke or when

motor stalls.

• M836A Damper Motor with 128499 Bracket directly

replaces M87A Damper Motor.

GENERAL

M436A/M836A,B Damper Motors are spring return (SR)

motors used for residential and light commercial applications

in Series 40 and Series 80 circuits.

Contents

General ............................................................................... 1

Features .............................................................................. 1

Specifications ...................................................................... 2

Ordering Information ........................................................... 2

Installation ........................................................................... 4

Adjustment and Checkout ................................................... 6

60-2119-4

Summary of content (8 pages)

PAGE 1
M436A/M836A,B Damper Motors PRODUCT DATA FEATURES • Motors provide two-position zone control. • Used to operate outdoor air dampers for combustion or makeup air, changeover dampers for heating and cooling systems, minimum position dampers for ventilation and similar applications. • Damper motors have an internal spdt switch for controlling auxiliary equipment, additional motors, or to provide a burner interlock switch.
PAGE 2
M436A/M836A,B DAMPER MOTORS SPECIFICATIONS IMPORTANT The specifications given in this publication do not include normal manufacturing tolerances. Therefore, an individual unit may not exactly match the listed specifications. Also, this product is tested and calibrated under closely controlled conditions and some minor differences in performance can be expected if those conditions are changed. Bag Assembly containing drive bushings, adapter and coupling necessary for crank arm drive application.
PAGE 3
M436A/M836A,B DAMPER MOTORS Ambient Temperature Rating: 32° to 125°F (0° to 52°C). Weight: 4 lb, 10 oz (2.1 kg). Finish: Gray. Optional Specifications: M436 with crank arm. M436A Damper Motor, 50 Hz for international applications. Models for 220 or 240 Vac, with 50 second opening stroke, 25 second closing stroke. Includes ground and cover screws and 7640JL Bag Assembly. M836A Damper Motor, 50 Hz for international applications.
PAGE 4
M436A/M836A,B DAMPER MOTORS 19/32 (15) 3-3/4 (96) 1-7/16 (37) CAUTION 1. Disconnect power supply before installation to prevent electrical shock or equipment damage. 2. To prevent damage to the gear train, never turn the motor shaft by hand or with a wrench. 3. Do not install the actuator in areas with acid fumes or other deteriorating vapors that might attack the metal parts of the motor. 4.
PAGE 5
M436A/M836A,B DAMPER MOTORS Wiring CAUTION Disconnect the power supply before wiring to prevent electrical shock or equipment damage. CLAMP CL OP 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.
PAGE 6
M436A/M836A,B DAMPER MOTORS ADJUSTMENT AND CHECKOUT Auxiliary Switch Adjustment Adjust the internal spdt auxiliary switch of the M436/M836 Damper Motor to operate at any point between 5 degrees and 70 degrees of the motor stroke. The switch has a 1 to 2 degree nonadjustable differential. The switch makes R to B contact during the power stroke (motor shaft moves in the direction of the OPEN arrow on the outside of the case). Apply power to the motor so that the motor runs to the OPEN position.
PAGE 7
M436A/M836A,B DAMPER MOTORS Lubrication equivalent. Light sewing machine oil is an acceptable equivalent. Do not over lubricate. One drop at each lubrication To assure long motor life, annually lubricate the felt pads located on each of the motor bearings and on the two shafts in the gear train. See Fig. 11. Use Anderol® 465 Oil or an point is sufficient. OIL HERE OIL HERE OIL HERE OIL HERE (FELT PAD) M9951 Fig. 11. M436/M836 Damper Motor lubrication points.
PAGE 8
M436A/M836A,B DAMPER MOTORS Automation and Control Solutions Honeywell International Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 60-2119—4 Rev. 5-95 8 www.honeywell.