Instruction/ maintenance manual of the product M9491 Honeywell
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Honeywell M9484 AND M9494 MODUTROL MOTORS ARE LOW VOLTAGE, REVERSING PROPORTIONAL CONTROL ACTUATORS FOR VALVES, DAMPERS AND AUXIL- IARY EQUIPMENT. THEY ARE ESPECIALLY DE- SIGNED FORCOMMERCIALOR INDUSTRIALOILOR GAS BURNER CONTROL SYSTEMS. •i Replace M941 motors.
STANDARD MODELS control Type T TTLix Letter 94 is Series 90 ~~ I Power Rating 8 is high torque 150 lb.-in. at standard timing 9 is high torque 300 lb.-in.
AUXILIARY SWITCH RATINGS (amperes): M94XXE has 1 spdt switch. M94XXF has 2 spdt switches. ONE CONTACT a 120v 240v Full Load 7.2 3.6 Locked Rotor 43.2 21.6 a4O VA pilot duty, 1201240 Vat on opposite contact. DIMENSIONS: See Fig. 1. UNDERWRITERS LABORATORIES INC.
f--- 5.37 [136] ADAPTER BRACKET FIG. 1-UIMtNSIUNS IN In. NOTE: M9481, M9491 do not have auxiliary shaft. All other dimensions are the same. LOCATION install the Modutrol motor in any locatio n except .
NON SPRING RETURN MOTORS E373C FIG. 2-LIMITS OF MOTOR ROTATION. ADAPTER BRACKET The220738A Adaptor Bracket, positioned between the motor and the equipment, raises the shaft height ptthe- M9484 motor by 0.
Y BOLTS PROVIDED (4) WIRING BOX MOTOR MACHINE SCREWS OR BOLTS. LTS SECURING BRACKET TO LINKAGE. M 31% TIGHTEN AFTER SECURING MOTOR TO THE BRACKET USING FOUR BOLTS PROVIDED. FIG. 4-MOTO R MOUNTIN G O N VALVE LINKAGE,. 4. Do not exceed the motor ratings in any installation.
CLOSE LIMIT D I R E CTION OF MOTOR TRAVEL AS VIEWED FROM POW E R E N D . & CONNECT 24V POWER TO Tl-T2 TERMINALS ONLY. DO NOT CONNECT POWER SUPPLY TO CONTROLLER TERMINALS. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. n 3 TURN LIMIT POT FULL CLOCKWISE~FOR 160’ STROKE, FULL COUNTERCLOCKWISEr?FOR 90’ STROKE.
AUXILIARY SWITC H CONNECTIONS supplies to de-energize the The M9484E has 1 internal auxiliary switch. The switch wires are color-coded as follows: solid yellow-normally closed (N.C.); solid red-common (COM.); solid blue-normally open (N.O.). The M9484F has 2 internal auxiliary switches which may be used to prove low fire and high fire positions.
MOVE SCREWDRIVE R AT TOP ONLY TO ADJUST CAM: l/8 IN . STRAIGHT BLADE SCREWDRIVER OUTER STROKE OUTER CAM ADJUST CAMS RY SWITCH CAMS A 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. A 2 TRANSFORMER MAY BE EXTERNAL OR INTERNAL.
IMPORTANT Set cams by moving top of screwdriver only. Press- ing screwdriver against sides of cam slots could cause damage to motor end switches. 4. Insert l/ 8 in. screwdriver blade into slot on outer yellow cam and MOVE TOP OF SCREWDRIVER as far as possible clockwise n .
n 1 POWER SUPPLY. PROVlDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. n 2 TRANSFORMER MAY BE INTERNAL OR EXTERNAL TO MOTOR. EJ74C SPDT SWITCH OR SERIES 60 CONTROLLER USED A S A I TRANSFORMER 1 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REOUIRED.
4074EED RESISTOR SELECTION CHART FOR 4-20 mA MIINIMUM OUTPUT VOLTAGE REQUIRED MOTORS (Vdc)b RESISTOR (A) (Ohms) Part No. 1 1.7 237 80213QCDHA 2 2.0 150 802139BFAA : 2.
An important point after buying a device Honeywell M9491 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell M9491 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell M9491 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell M9491 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell M9491 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell M9491, 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 M9491.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell M9491. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell M9491 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
