Description
The Siemens 540-110 is a Unit Conditioner/Terminal Equipment Controller from the System 600 series, designed for precise HVAC zone control in commercial building automation. Featuring electronic output and multiple input/output capabilities, this controller provides reliable and efficient temperature management through local or remote communication.
Technical Specifications
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Condition
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New/Never Used Surplus
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| Brand |
Siemens
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Category
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Part Number
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540-110
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| Subcatecory |
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| Series |
Siemens System 600 |
| Input Voltage |
24 VAC, 50/60 Hz |
| Power Consumption |
60 VA max 24 VAC |
| Inputs |
1 Room Temp Sensor, 1 Setpoint (optional), 1 Aux Temp, 2 Dry Contacts |
| Outputs |
6 DO, 24 VAC Optically Isolated Solid-State (0.5 A / 0.25 A) |
| Controlled Temp Accuracy |
±1.5°F (±0.9°C) |
| Operating Temperature |
32°F to 122°F (0°C to 50°C) |
| Storage Temperature |
–13°F to 158°F (–25°C to 70°C) |
| Humidity Range |
5%–95% RH, non-condensing |
| Dimensions (W x L x H) |
4-1/8" x 7-3/4" x 1-1/2" (105 x 197 x 38 mm) |
| Weight |
3 lbs (1.35 kg) |
Information About 540-110
The 540-110 is a System 600 HVAC controller designed to operate on 24 VAC at 50/60 Hz, with a power consumption of up to 60 VA. It offers 6 digital outputs (DO) using optically isolated solid-state switches, each rated for 0.5 A at 24 VAC (0.25 A in smoke control applications). Input support includes 1 room temperature sensor, 1 optional setpoint, 1 auxiliary temperature sensor, and 2 dry contacts, allowing flexible control configurations.
Key Features:
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Electronic Output Control: Solid-state digital output design supports precise actuator switching.
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6 DO Outputs: Optically isolated solid-state switches rated at 0.5 A (or 0.25 A for smoke control).
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Multi-Sensor Input Support: Room temp sensor, auxiliary sensor, optional setpoint, and dry contact inputs.
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Flexible Communication: Supports FLN Trunk and WCIS protocols for integration with Siemens building systems.
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High Accuracy: Maintains ±1.5°F (±0.9°C) heating/cooling control precision.
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Robust Operating Range: Operates in temperatures from 32°F to 122°F (0°C to 50°C), with wide storage tolerance.
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Compact and Durable: Space-efficient housing for wall or panel mounting in commercial HVAC environments.
The Siemens 540-110 is ideal for zone-level control of HVAC systems in commercial facilities requiring both accuracy and networked integration.
