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FocusPRO
™
TH5220D Non-programmable Digital Thermostat
17
In case of difficulty
“Cool On” or
“Heat On”
is flashing
• Compressor protection timeout is engaged. Wait 5 minutes for the
system to restart safely, without damage to the compressor.
Heating equip-
ment is running
in cool mode
• Check Installer Setup, Function 1 (System Type), to make sure it is set to
match the installed heating/cooling equipment (see page 11).
Cannot change
system setting
to “Heat”
• Check Installer Setup, Function 1 (System Type), to make sure it is set to
match the installed heating equipment (see page 11).
• Change Installer Setup, Function 12 (System Setting) to Manual
or Auto
Changeover (see page 12).
Cannot change
system setting
to “Cool”
• Check Installer Setup, Function 1 (System Type), to make sure it is set to
match the installed cooling equipment (see page 11).
• Change Installer Setup, Function 12 (System Setting) to Manual
or Auto
Changeover (see page 12).
“Heat On” is
not displayed
• Change the System Setting to Heat
, and set the temperature level above
the current room temperature.
“Cool On” is not
displayed
• Change the System Setting to Cool, and set the temperature level below
the current room temperature.
Accessories & replacement parts
Please contact your distributor to order replacement parts.
Battery holder ......................................................Part Number 50007072-001
Cover plate assembly ........................................Part Number 50002883-001
(Use to cover marks left by old thermostats.)
Specifications
Temperature Ranges
• Heat: 40° to 90°F (4.5° to 32°C)
• Cool: 50° to 99°F (10° to 37°C)
Operating Ambient Temperature
• 32° to 120°F (0° to 48.9°C)
Shipping Temperature
• -20° to 120°F (-28.9° to 48.9°C)
Operating Relative Humidity
• 5% to 90% (non-condensing)
Physical Dimensions
• 3-9/16” H x 5-13/16” W x 1-1/2” D
• 91 mm H x 147 mm W x 38 mm D
Electrical Ratings
Terminal Voltage (50/60Hz) Running Current
W (O/B) Heating 20-30 Vac 0.02-1.0 A
(Powerpile) 750 mV DC 100 mA DC
W2 (Aux) Heating 20-30 Vac 0.02-0.5 A
Y Cooling 20-30 Vac 0.02-1.0 A
Y2 Cooling 20-30 Vac 0.02-1.0 A
G Fan 20-30 Vac 0.02-0.5 A
E Emergency heat 20-30 Vac 0.02-1.0 A
L Heat pump reset 20-30 Vac 0.02-0.5 A