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ML4125, ML4135, ML8125, ML8135
Fast-Acting, Two-Position Actuators
FOR HEATING, VENTILATION AND
AIR-CONDITIONING APPLICATIONS
PRODUCT DATA
FEATURES
• Integral spring return.
-40 to 130°F (-40 to 54°C) operating temperature range.
No audible noise during holding.
Electronic circuitry provides efficient operation while
eliminating the need for limit switches.
Ninety-five degree angle of rotation.
Die-cast aluminum housing.
Housing design allows flush mounting to damper.
Integral ju
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ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS SPECIFICATIONS Models: See Table 1. Electrical Connections: ML4125A,B, ML4135, ML8125, ML8135: Two color coded Table 1. ML4125/4135, ML8125/8135 DCA Models. 16 in. leads; includes ground screw. ML4125C,D: 1m appliance cable. Spring Return Voltage Torque Three 7/8 in. holes for conduit connections (fittings not Model Direction in Vac in lb-in. (Nm) included). ML4125A ccw 120 100 (11.3) ML4125B cw Controller Type: ML4125A,B, ML
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ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS Mounting: Table 3. Approvals. 3/8 in. (10 mm) to 1/2 in. (13 mm) square or round damper ML4125 shafts. Actuator can be mounted with shaft in any position. Secure hub to shaft with: A,B C,D ML4135 ML8125 ML8135 ML8125, ML4125A,B: Four 1/4-28 UNF set screws. Use UL/cUL X X X X X 1/8 in. Allen wrench to tighten set screws. UL873 XX X X X ML8135, ML4135: Two 1/4-28 UNF set screws. Use 1/8 in. Plenum Rating, Allen wrench to tight
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ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application. 3. Installer must be a trained, experienced service technician. 1 4. After installation is complete, check out product operation as provide
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ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS IMPORTANT Installation 1. All wiring must comply with local electrical codes, ordinances and regulations. 2. Voltage and frequency of transformer used with ML8125 or ML8135 must correspond with the CAUTION characteristics of power supply and actuator. Device Malfunction Hazard. 3. Use wires rated for at least 75°C (167°F). Improper set screw tightening causes device malfunction. See Fig. 4 through 6 for typical wiring diagram
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ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS OPERATION CHECKOUT The actuators are operated by an spst two-position controller. ML4125A,B, ML4135 (120 Vac model) When using an spst two-position controller, the actuator drives to the damper fully open position when controller contact 1. Check damper position. makes and spring returns to the damper fully closed position 2. Connect 120 Vac to the black and white leadwires to when controller contact breaks. The actuator drops
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c b b b c a b a a a b ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS D Montageanweisung F Instructions d’Installation I Istruzioni per I’Installazione NL Installatievoorschrift DK Installasjonsinstruks N Installationsinstrukioner SF Asennusohje S Installations Instrukioner E Instrucciones de montaje A2 AA1, A4 24 VAC ! 230 VAC ASSEMBLY D EINBAU F MONTAGE I MONTAGGIO NL MONTAGE DK MONTERE N MONTERING FIN ASENTAMINEN S MONTERA E MONTAJE M11874 M11875 M11876 M11876 A3 A5 A6 MIN:
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b a a b ML4125, ML4135, ML8125, ML8135 FAST-ACTING, TWO-POSITION ACTUATORS BB1 B2 24 VAC ! 230 VAC M11887 DISASSEMBLY D AUSBAU M11886 F DÉMONTAGE I SMONTAGGIO NL DEMONTAGE DK AFMONTERE N DEMONTERE B3 B4 FIN PURKAMINEN S NEDMONTERA M11884 E DESMONTAJE HEX 4mm M11885 M11888 Home and Building Control Home and Building Control Honeywell Asia Pacific Inc. Honeywell Europe S.A. Honeywell Latin American Honeywell Honeywell Limited-Honeywell Limitée Room 3213-3225 3 Avenue du Bourget Region 1985 Doug
