Instruction/ maintenance manual of the product 220736B Honeywell
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CONTENTS Specifications ................................................ 2 Ordering Information .................................... 2 Installation .................................................... 2 Setting and Adjustments ........................
Specifications 2 MODELS: 220736A,B Internal Auxiliary Switches for TRADELINE Modutrol IV Motors. Switches are actu- ated by cams in the motor. The cams can be set to operate the switches at any point in the motor stroke. 220736A—Includes one Spdt Micro Switch V3 snap acting switch, mounted on left side and operated by outer cam.
8. Lower the switch assembly into place and tighten the two mounting screws, making sure the switch follow- ers are properly aligned with the inner and outer cams in the motor.
TABLE 1—AUXILIARY SWITCH LEADWIRE COLORS FOR LOW AND MEDIUM TORQUE SERIES 91 MOTORS WITH ONE AUXILIARY SWITCH. Replace with 220736A,B Factory-Installed Auxiliary Switch Leadwire Color a,b Leadwire Left Auxiliary Switch N.O. Yellow W/Yellow Orange N.
Replace with 220736A,B Factory-Installed Auxiliary Switch Leadwire Color a,b Leadwire Left N.O. Blue Blue W/Yellow Purple Auxiliary N.C. Yellow Yellow W/Blue Orange Switch Com. Red Red W/Red Red Right N.O. B/Blue B/Yellow B/Purple Auxiliary N.C. B/Yellow B/Orange Switch Com.
TABLE 4—AUXILIARY SWITCH POSITION WITH MOTOR SHAFT ROTATED TO EITHER SIDE OF AUXILIARY SWITCH OPERATING POINT, AS VIEWED FROM POWER END. Auxiliary Switch Contact Positions N.
To turn the cams, insert small screwdriver (1/8" or 3 mm blade) through wiring box into slot on cam and move the screwdriver at the top. Refer to Fig. 3. Each division on the cam represents 15 ° of motor rotation. A) Two position motors (M8185): 1.
7. Check for proper switch differential and switching of auxiliary equipment by driving the motor through full stroke (in both directions) using the potentiometer. If necessary repeat steps 5 and 7 for 1 ° differential, or 6 and 7 for 10 ° differential until correct switching action is obtained.
220736A,B SETTINGS AND ADJUSTMENTS 5. For switch differential of 10 ° , the cams must be rotated with screwdriver approximately 180 ° prior to setting the switching action. Refer to Fig. 3. Check continuity of the N.O. (Red to Purple) contacts and rotate cams as follows: a.
10 Fig. 8 — Auxiliary switch adjustment for M6184, M6194 motors. 4. For switch differential of 1 ° , check continuity of auxiliary switch N.O. (Red to Purple) contacts and, with screwdriver, rotate cam as follows: a. If contacts are open, rotate cam clockwise until N.
W ARNING FIRE OR EXPLOSION HAZARD CAN CAUSE SEVERE INJURY OR DEATH When auxiliary switches control combustion equipment, incorrect wiring of the switches can allow the burner to come on at high fire. Check auxiliary switch wiring and cam adjustment be- fore turning on the system.
220736A,B SETTINGS AND ADJUSTMENTS Residential and Residential and Helping You Control Your World Building Controls Division Building Controls Division Honeywell Inc.
An important point after buying a device Honeywell 220736B (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
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If you already are a holder of Honeywell 220736B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell 220736B.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell 220736B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell 220736B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
