Untitled Document
White-Rodgers 1F97-1277 Programmable 1 Heat/1 Cool Thermostat - 90 SERIES BLUE TOUCHSCREEN thermostat
Residential and Light Commercial – Single Stage Conventional and Single-Stage Heat Pump Applications. 90 Series Blue Touchscreen Thermostats are the Ultimate for Comfort, Convenience and Performance and Visibility
FEATURES:
• Large 12-square-inch touchscreen display – largest in the industry.
• Extra-large touch keys for easy operation.
• Universal Dual-Powered – choice of battery-powered or hardwired with battery back-up.
• Meets ENERGY STAR® specifications.
• Meets California Building Code, Title 24.
• Universal – choice of 7 day, 5/1/1 day programmable or non-programmable (installer selectable).
• Audible feedback.
• 1F97-1277 includes these additional features:
– Remote sensing indoor/outdoor - EITHER an indoor OR outdoor (wired) sensor can be connected to the thermostat to display remote temperature.
– Programmable fan - fan mode can be specified for each program period.
– Circulator fan cycling - special fan mode will cycle fan ON for 10 minutes, OFF for 20 minutes when the thermostat has not called for cooling or heating for the past 60 minutes.
– Automatic daylight savings option - The Real Time Clock will adjust automatically for daylight savings time, including change after March of 2007.
– Patented Cool Savings - the thermostat will make small adjustments to the sensed temperature during periods of high demand to reduce AC system running time and save energy.
– Enhanced security settings - the thermostat offers two levels of keypad lockout which require user-selected code to unlock
– 3 wire zone valve - compatible with 3-wire zoned hydronic systems
TERMINALS: RC, RH, C, W, Y, G, O, B, W/E, L, 6, +, S, -
SPECIFICATIONS
Electrical Rating
Battery Power . . . . . . . . . . mV to 30 VAC, NEC Class II, 50/60 Hz or DC
Input-Hardwire . . . . . . . . . . . . . . . . . 20 to 30 VAC
Terminal Load . . . . . . . . . . . . . . . . . . . 1 .5 A per terminal, 2.5 A maximum all terminals combined
Setpoint Range . . . . . . . . . . . . . . . . . 45 to 99°F (7 to 37°C)
Differential (Single Stage) . . . . . . . . . . Heat 0.6°F; Cool 1.2°F
Differential (Multi-Stage) . . . . . . . . . . . Heat 0.6°F; Cool 1.2°F
Differential (Heat Pump) . . . . . . . . . . . Heat 1.2°F; Cool 1.5°F
Operating Ambient . . . . . . . . . . . . . . . 32 to +105°F (0 to +41°C)
Operating Humidity . . . . . . . . . . . . . . . 90% non-condensing max.
Shipping Temperature Range . . . . . . . –4 to 150°F (–20 to 65°C)
Dimensions . . . . . . . . . . . . . . . . . . . 4 9/16”H x 5 13/16”W x 1 3/16”D
