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Honeywell actuator ML7420A8088E
GENERAL
TheML7420A actuatorsaredesignedformodulatingcontrol
withcontrollersproviding ananalogoutputof 2...10Vdc.
TheyoperateHoneywell’sstandardvalvesinheating,
ventilation,andairconditioning(HVAC) applications.
FEATURES
• Easy and quick installation
• No separate linkage and adjustments required
• Low power consumption and maintenance-free
• Self-adaption function
• Force-limiting end stops
• Manual operation knob
• 0(2)~10 Vdc input and 2~10 Vdc position feedback
signal
• Direct/ Reverse action adjustable
• Stroke position on signal failure selectable
• Corrosion-resistant design
SPECIFICATIONS
GENERAL
The ML7420A actuators are designed for modulating control
with controllers providing an analog output of 2...10 Vdc.
They operate Honeywell’s standard valves in heating,
ventilation, and air conditioning (HVAC) applications. Temperature Limits
Ambient operating limits -10~+50 at 5~95% r.h.
Ambient storage limits -40...+70 °C at 5...95% r.h.
Medium temperature Max. 150 °C (220 °C with
High-Temperature kit)
Signals
Signal input voltage y=0~10 Vdc or 2~10 Vdc
Ri=100 KΩ
Signal source 1 KΩ max.
Position feedback signal x=2~10Vdc(fully extended)
Load 1 mA max.
Safety
Protection class III as per EN60730-1 Protection standard IP54 as per EN60529 Flame retardant housing V0 as per UL94 (with metal cable gland)
Material
Cover ABS-FR
Base glass fiber reinforced plastic Yoke aluminum diecast
| ML7420A6009 | Electronic liner valve actuator GE, no UL logo, 600N,stroke 20mm Creval mod; 60s |
| ML7420A8088-E | 24Vac 50/60Hz, Non-Spring Return, Modulating with self-adapt function, 600N, 20mm |
| ML7420A8088-SBU | Kombi-9 Actuator, 600N, 20mm Stroke |
Selection
| Model Number | ML7420A6033 |
| supply voltage | 24 Vac ±15%; 50/60 Hz |
| power consumption | 5 VA |
| signal input 0(2) Vdc | Actuator stem retracted. Two-way valve:”open”, three-way valve port A-AB:”closed” |
| signal input 10 Vdc | Actuator stem extended. Two-way valve:”closed”, three-way valve port A-AB:”open” |
| rated stroke | 20mm |
| run time at 50 Hz | 1 min |
| close-off force | ≥ 600 N |
| spring return time | -- |
| spring return direction | -- |
| weight | 1.3 Kg |
| ML7420A6009 | Electronic liner valve actuator GE, no UL logo, 600N,stroke 20mm Creval mod; 60s |
| ML7420A8088-E | 24Vac 50/60Hz, Non-Spring Return, Modulating with self-adapt function, 600N, 20mm |
| ML7420A8088-SBU | Kombi-9 Actuator, 600N, 20mm Stroke |