14
To unlock the buttons:
1. Push and hold the
and
buttons for 5 seconds until the
request for password is displayed.
2. Enter the digits for the password by pressing the
and
buttons. Press the
to move to the next digit. Press
to
move back.
3. When the correct password is set, wait for 5 seconds to unlock
the system.
4. If the wrong password is entered the display will flash -- for 5
seconds then return to normal.
Once the security has been disabled, a password needs to be
re-created to protect the settings.
Thermostat Specifications
Operating Voltage
18-30V AC
Maximum Load Current
1 Amp Max per Output Terminal
4 Amp Total Load
Output Type
Latching Relays
Batteries
2 AA Alkaline in Series
Battery Life
2 Years Typical
Ambient Operating Temperature
14 °F (-10 °C) to 122 °F (50 °C)
Storage Temperature
-4 °F (-20 °C) to 140 °F (60 °C)
Operational Mode Chart:
Demand
Conventional
(Non-HP)
Heat Pump
(HP) Elec
Heat Pump
(HP) Gas
First Stage Heat
W1 + G*
Y1 + G + B
Y1 + G + B
Second Stage Heat
W1 + W2 + G*
Y1 + Y2 + G + B
or
Y1 + W2 + G + B
Y1 + Y2 + G + B
or
Y1 + W2 + G + B
Third Stage Heat
N/A
Y1 + Y2 + E +
G + B
or
Y1 + W2 + E +
G + B
E + B
Emergency Heat
N/A
Y1 + G + O
Y1 + G + O
First Stage Cool
Y1 + G
Y1 + Y2 + G + O
Y1 + Y2 + G + O
Second Stage Cool
Y1 + Y2 + G
E + G
E
* G: G is off for Gas, on for Elec
