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| Sensors, Valves & Actuators |
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| Sensors |
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10K3A1 Space, Outside Air, Duct, Immersion, “Strap-On” & Flying Lead
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4/20mA, 0/10V, Humidity, DP Transmitters & Switches etc from Titan & Electro Controls
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| Valves & Actuators |
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15/50mm 2/3/4 Port with 0/10V or Drive Open/Closed Actuators from Johnson Controls
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Larger Sizes Quoted On Request |
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| Damper Actuators |
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4/8/16NM with 0/10V or Drive Open/Close + Aux Switches from Johnson Controls
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| Modulating Valve |
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Brass Valve Body |
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Size: 25 ~ 80 mm |
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Input Signal: 0 ~ 10V / 0-20 mA |
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Actuator motor made in Germany |
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Feedback Signal |
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Voltage: 24V, 50/60 Hz |
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| PI Controller |
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Temperature control for 2-pipe, 4-pipe HVAC systems
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PI and on/off feedback control for temperature / humidity / pressure, depends on the sensor type.
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1 modulating output for 0 – 10V or 0 – 20 mA (for modulating valve actuator, air damper)
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1 digital 24VAC floating output. (for on/off or 3-floating point actuator, air damper)
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1 analogue input for 0 – 10V or 0 – 20 mA. (for analogue pressure / humidity sensor)
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Internal or external passive temperature sensor, selectable by switch. (for NTC temperature sensor)
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LCD display with clock, timer and backlight
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All parameter is memorized when power failure
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Frost protection |
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Voltage: 24VAC, 50/60 Hz |
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| VFD |
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ABB ACH 550 series |
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Wide Power Range: 1.1 ~ 110 kW
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Control Panel included |
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Built-in 1st and 2nd environment EMC Filter
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DC choke – up to 25% less harmonics.
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2 PID controllers included
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Embedded BACnet fieldbus protocol via the standard RS485 interface.
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Built-in clock, calendar and timer functions.
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