Johnson Controls T500HCP-1, User Manual

Page: 19 / 24

T500 Series Programmable Thermostats Product/Technical Bulletin 19
O
verride
Constant Hold
To maintain a constant temperature setting:
1. Press the Mode button until the desired mode is
displayed (heating, cooling, auto).
2. Press the
∨∨∨∨
or
∧∧∧∧
buttons to set the desired
setpoint(s).
Note: If the Auto mode is used, press Mode twice,
and press the
∨∨∨∨
or
∧∧∧∧
buttons to select a
cooling setpoint. Press Mode again, and the
∨∨∨∨
or
∧∧∧∧
buttons to select a heating setpoint.
Press Mode again to set the mode back to
Auto.
3. Press the Hold button. Setpoint(s) will be
maintained continuously.
4. Pressing and releasing the Resume button will
cancel the Hold and return to programmed
setpoints.
Mode
Clock
Set Temp
Outdoor
Fan
Program
Resume Hold
66
HOLD
Mo
AM
Press for
constant
hold.
Figure 23: Constant Override (Hold)
Progressive Recovery
During the night mode the thermostat is designed to
anticipate a programmed setpoint change. With
Progressive Recovery, the desired temperature will be
attained at the programmed time instead of beginning
the temperature cycle change. Recovery option is
selected by pressing the
Program and Fan buttons
simultaneously.
Temporary (3 Hour) (Keyboard
Unlocked)
To implement a temporary change from the current
event setpoint for a 3-hour period:
1. Press the
∨∨∨∨
or
∧∧∧∧
buttons to change the scheduled
setpoint ± 3 ° C or ± 6 ° F. The current mode of
operation will appear on the display and an
hourglass symbol will appear. The temporary
setpoint will be maintained for 3 hours.
Note: If the Auto mode is used, press Mode , and
press the
∨∨∨∨
or
∧∧∧∧
buttons to select a heating
setpoint. Press Mode again, and the
∨∨∨∨
or
∧∧∧∧
buttons to select a cooling setpoint.
2. Pressing and releasing the Resume button will
cancel the override and return to the programmed
setpoint at any time during the 3 hours.
Note: If the setpoint is altered while in the night
mode, the thermostat will change to the day
mode setting.
Temporary (1 Hour) (Keyboard Locked)
To implement a temporary change from the current
event setpoint for a 1-hour period:
1. Press the ∨∨∨∨ or ∧∧∧∧ buttons to change the scheduled
setpoint. The current mode of operation will appear
on the display and an hourglass symbol will
appear. The temporary setpoint will be maintained
for 1 hour.
Note: If the Auto mode is used, press
Mode
, and
press the
∨∨∨∨
or
∧∧∧∧
buttons to select a heating
setpoint. Press Mode again, and the
∨∨∨∨
or
∧∧∧∧
buttons to select a cooling setpoint.
2. Pressing and releasing the Resume button will
cancel the override and return to the programmed
setpoint at any time during the 1 hour.