15 / 221
THERMOSTATS
BLUE 4
”
THERMOSTATS
bLUE 4
”
UNIVERSAL AND SINGLE STAGE
THERMOSTATS – 4 SQ. IN. DISPLAY
Premium Features for Staging or Single Choices – for Optimum
System Control
FEATURES
• Available in Universal (Single Stage, Multi-Stage, Heat pump) or Single Stage Models.
• Programmable 7-Day, 5/1/1 Day, 5/2 Day, 0-Day or Non-Programmable.
• Gas, Oil, Electric, mV and 2 or 3-Wire Zone compatible.
• Automatic Heat/Cool changeover option.
• Keypad lockout and temperature limit options.
• Dual power – hardwired and/or battery powered.
• Fits vertical or horizontal junction box.
• Air filter change indicator option.
• Spanish language display models available.
SPECIFICATIONS
Electrical Rating:
Hardwire . . . . . . . . . . . . 20-30 VAC, NEC Class II 50/60Hz
Battery Power . . . . . . . . . . mV to 30 VAC, NEC Class II, 50/60 Hz or DC
Terminal Load Staging Models . . . 1.5 A per terminal,
2.5 A maximum all terminals combined
Terminal Load Single Stage Models . 1.0 A per terminal,
1.5 A maximum all terminals combined
Setpoint Range . . . . . . . . . 45 to 99°F (7 to 37°C)
Rated Differentials, Universal Models: Fast
Med.
Slow
Heat(Single Stage/Multi-Stage) . . 0.4°F 0.6°F 1.7°F
Cool (Single Stage/Multi-Stage) . . 0.9°F 1.2°F 1.7°F
Heat Pump . . . . . . . . . . 0.9°F 1.2°F 1.7°F
Emer. Heat . . . . . . . . . . 0.6°F
1.7°F
Rated Differentials - Single Stage Models: Fast
Med.
Slow
Heat (Single Stage/Multi-Stage) . . 0.4°F 0.6°F 1.7°F
Cool (Single Stage/Multi-Stage) . . 1.2°F
1.7°F
Heat Pump . . . . . . . . . . 1.2°F
1.7°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)
Dimension . . . . . . . . . . . 3
7
/
16
”
H x 4
7
/
16
”
W x 1
1
/
4
”
D
3
7
/
8
”
H x 5
1
/
8
”
W x 1
1
/
4
”
D – (Universal models)
PARTS AND ACCESSORIES
See end of thermostats section for additional parts and accessories
• F61-2634 —Wallplate 6½
”
W X 5
”
H, for use with or without horizontal junction box
(included with thermostat)
• F61-2648 — Wallplate (6 pack of F61-2634 above)
• Thermostat Guards — see pages 34–35 for quick selection
1F85-0422
1F80-0471
www.white-rodgers.com16
24 VOLT