• 16 Remote sensor capable • 8 sq. inch display • Blue backlight • Glow in the dark light button • Two and four occupancy/unoccupancy time periods available • Partial and full keypad lockout • Adjustable setpoint limits • Summer away mode • Humidity and dehumidify control • 5 Year warranty • Set dual fuel balance points (requires R250S) • Compatible with indoor remote sensors (R251S) • Ventilation control • IAQ fan settings • Advanced pre-occupancy purge • Auto changeover • Customizable staging logic
SPECIFICATIONS
• Application: Up to 2 heat, 3 cool conventional / Up to 5 heat, 3 cool heat pump • Programmability: 7 day, 5/1/1 or Non-programmable • Changeover: System Switch • 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, S1, S2, C , O, B, W/E, W2 • 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) • 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 1.1”D (119mm W x 112mm H x 28mm D) • Warranty: 5 year warranty