Chapter 1 Overview and specifications
2 CNT-SVX12C-EN
Metal-cover model dimensions
For complete dimensional drawing, see Figure 2 on page 3.
• Height: 9.0 in (25 mm)
• Width: 10.37in. (263 mm)
• Depth: 2.25 in. (58 mm)
Clearances
For wiring, ventilation, and maintenance, provide the following minimum
clearances for the module:
Plastic-cover model
(see Figure 1 on page 3)
• Front: 4.0 in. (102 mm)
• Each side: 1.0 in. (25 mm)
• Top and bottom: 4.0 in. (102 mm)
Metal-cover model
(see Figure 2 on page 3)
• Front: 24.0 in. (610 mm)
• Each side: 2.0 in. (51 mm)
• Top and bottom: 1.0 in. (25 mm)
Power
The transformer must meet the following minimum requirements for the
controller and its output devices:
• 19–30 Vac (24 Vac nominal)
• 50/60 Hz
• 9 VA and 12 VA maximum per binary output utilized
Operating environment
Operate a Tracer ZN517 unitary controller in an indoor environment that
meets the following requirements:
• Temperature: From –40°F to 160°F (–40°C to 70°C)
• Relative humidity: From 5–90%, noncondensing
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