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Description
The VT7225 controllers are microcomputer-based, proportional and integral (PI) devices with one analog 0 to 10 VDC output, one 8 VDC and one 24 VAC proportioning pulsed output. The analog 0 to 10 VDC modulating output can control the room or supply temperature by modulating directly a 0 to 10 VDC SCR power controller. The VDC and VAC pulsed outputs can control the room or supply temperature by modulating directly 4-32 VDC triggered solid state relays (SSR’s) using a time proportioning control algorithm on a 1 second time cycle.

Product Features
  • 0 to 10 VDC modulating output
  • VDC pulsed modulating output
  • VAC pulsed modulating output
  • Night setback digital input
  • Room or supply control applications
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Manuals (2)
Specs
Application:

Heat Only

Programmability:

Non-Programmable

User Interface:

Push Button

Mount:

Vertical

Control Output:

Analog 0 to 10 VDC

PWM

Power Method:

Hardwired

Options:

Works with Sensor

Communication:

Network-Ready

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