T4600 Chronotherm
®
ELECTRONIC PROGRAMMABLE LINE VOLTAGE THERMOSTAT
68-0168—3
5
M4789
Su
PM
M4655
Su
AM
M4790
Su Mo
AM
M4651
Su
PM
M4648
NIGHT DAY
M4650
NIGHT DAY
M4657
AUTO MAN TEMPOR NIGHT DAY
Su Mo Tu We Th Fr Sa
AM
PM
PROGRAMMING
When the thermostat is first powered or if the battery is
drained, the display briefly shows all segments:
Then it shows 00E for 15 seconds followed by a flashing
12:00 AM (midnight) to indicate that the thermostat needs to
be programmed. If the time and day program is not entered,
the thermostat controls to the default setpoint, 60
°
F (16
°
C). If
the ambient temperature is below freezing, the display does
not operate until the power supply warms up the thermostat
to the operating temperature. There will be a clicking from the
relay, indicating the thermostat is working even though the
display is not restored.
The T4600 is programmed similar to other digital devices:
1. Press the PROG key to scroll through the program menus.
2. Press the up (+) and down (-) arrow keys to change the
values in the menus.
3. Press the AUTO key to select optional functions.
If no keys are pressed for ten seconds, the T4600 goes to
programmed operation and the room temperature is
displayed. Automatic operation is activated during
programming by holding down the PROG key for four
seconds or until the display shows the room temperature.
IMPORTANT
The T4600 uses the time and day that was last in its
memory as the basis for control. Unexpected
thermostat operation can occur when the clock is not
set properly.
ACTIVITY
RESULT
DISPLAY
SET THE TIME AND DAY
Hours:
Press and release the PROG key.
The hour display flashes in the 12-hour
(AM/PM) format.
Press and release the AUTO key for 24-hour
display, if desired. Press the up (+) and down
(-) keys to select the correct hour.
Midnight is displayed as 0:00 in 24-hour
format.
Press and release the PROG key to enter
the hour.
Minutes:
Press the up (+) and down (-) keys to select
the correct minutes.
The minute display flashes.
Press and release the PROG key to enter
the minutes.
Day:
Press the up (+) and down (-) keys to select
the correct day of the week.
The current day flashes along the top of the
display.
Press and release the PROG key to enter
the day.
PROGRAM THE TEMPERATURE
SETTINGS
Press and release the AUTO key for the
Celsius temperature display, if desired.
Comfort Setpoint:
Press the up (+) and down (-) keys to select
the temperature for desired comfort setpoint.
The display flashes the comfort setpoint.
Press and release the PROG key to set the
comfort setpoint.
Economy Setpoint:
Press the up (+) and down (-) keys to select
the desired economy (setback) setpoint.
The display flashes the economy setpoint.
Press the PROG key to enter the economy
temperature.