• 16 Remote sensor capable • 7 sq. inch display • Blue backlight • Glow in the dark light button • Easy access battery compartment • Universal subbase • Simple private label badge system • Setpoint limits • Electric or gas configurable • Mounts on wall or junction box • Auto-changeover • 5 minute compressor delay protection (selectable on or off ) • 5 Year Warranty • Customizable staging logic • Separate heating and cooling swing (cycle rate) adjustments • Battery or 24V power • Room temperature calibration adjustments • Easy wire color coded terminal blocks • Set dual fuel balance points (requires R250S) • Compatible with indoor remote sensors (R251S) • Compatible with outdoor/slab remote sensors (R250S)
SPECIFICATIONS
• Application: Up to 2 Heat 2 Cool Conventional, 3 Heat 2 Cool Heat Pump • Programmability: 7 Day, 5/1/1 or Non-Programmable • System Switch: Cool - Off - Heat - Auto • Display Range: 41˚F to 95˚F (5˚C to 35˚C) • Control Range: 44˚F to 90˚F (7˚C to 32˚C) • Display Accuracy: +/- 1˚F • Heat Swing: Adjustable from 0.2˚F to 2.0˚F • Cool Swing: Adjustable from 0.2˚F to 2.0˚F • Terminals: Rc, Rh, G, Y, Y2, C, O, B, W/E, W2, S1, S2 • Load Rating: 1 amp per terminal, 1.5 amp maximum all terminals combined • Power Source: 18 to 30 VAC, NEC Class II, 50/60 Hz for hardwire (common wire) Battery power from 2 AA Alkaline batteries • Operating Ambient: 32˚F to +105˚F (0˚C to +41˚C) • Operating Humidity: 90% non-condensing maximum • Mounting: Wall or Junction Box • Dimensions: 4.7”W x 4.4”H x 0.8”D (119mm W x 112mm H x 20mm D) • Warranty: 5 year warranty
