Braeburn 3300 - Manual (Page 6)

10
2. Press the or buttons to set the first stage differential to your desired
setting of 0.2˚, 0.5˚ or 1˚ F (0.1˚, 0.3˚ or 0.5˚ C).
3. For Two Stage Systems: Press the NEXT button again to change the
second stage setting or wait 30 seconds for the thermostat to return to the
normal operating mode.
Setting Second Stage Differential
The default setting is 2˚ F (1.0˚ C). The room temperature must change 2˚ F
(1.0˚ C) in addition to the first stage differential setting before the thermostat
will initiate the second stage of the system in heating.
4. Press the or buttons to set
the second stage differential to
your desired setting of 2˚, 3˚, 4˚,
5˚or 6˚ F (1˚, 1.5˚, 2˚, 2.5˚ or 3˚ C).
5. For Three Stage Systems:
Press the NEXT button again to
change the third stage setting or wait 30 seconds for the thermostat to return
to the normal operating mode.
Setting Third Stage Differential
The default setting is 2˚ F (1.0˚ C). The room temperature must change 2˚ F
(1.0˚ C) in addition to the first and second stage differential setting before the
thermostat will initiate the third stage of the system in heating.
6. Press the or buttons to set
the third stage differential to
your desired setting of 2˚, 3˚, 4˚,
5˚or 6˚ F (1˚, 1.5˚, 2˚, 2.5˚ or 3˚ C).
7. Press NEXT to change the
filter check monitor, or wait 30
seconds for the thermostat to return to the normal operating mode.
Setting the Filter Check Monitor (see description in section 6)
The default setting is 0 days (monitor disabled).
8. Press and hold the NEXT button
for four seconds. Press
NEXT
repeatedly until “ SET XXX
FILTER” is displayed where “XXX”
is the Filter Monitor interval.
9. Press the or button to
change the Filter Monitor Interval to the desired value of 0 (disabled), 30,
60, 90, 120, 180 or 365 days.
Setting the UV Light Monitor (see description in section 6)
The default setting is 0 days (monitor disabled).
10. Press and hold the NEXT button
for four seconds. Press
NEXT
button repeatedly until “ SET XXX
UV” is displayed where “XXX”
is the UV Light Monitor interval.
11. Press the or button to
change the UV Light Monitor Interval to the desired value of 0 (disabled),
180 or 365 days.
SYSTEM FAN SET
SRVC FILTER
5
Programming User Settings
cont.
9
4
Programming Installer Settings
cont.
Installer Option Descriptions continued
13. The keypad lockout feature has two levels of security. Level one locks all
buttons (including the reset) except for the , and backlight buttons. Level
two locks the entire keypad except the backlight button. The and buttons
can be pressed together to enter the lock code but the buttons do not work
individually to adjust the temperature. The lock security level is set in the
Installer Options and the lock code is set in the User Options.
14. When Auto Changeover mode is enabled and selected, the system
automatically switches between heating and cooling when the room
temperature meets the normal criteria for either a heating or cooling call.
There is a forced separation (dead band) between the heating and cool-
ing set points, so the systems do not work against each other. This option
selects Auto Changeover Dead Band of 2º, 3º, 4º or 5º F. The default is 3º F.
15. Only available with multi-stage heat pump and outdoor sensor connected.
Locks out the use of the compressor heat stage for outside air temperatures
less than installer setting. Select from no lockout or a setting between 10º F
to 50º F (-9º C to 10º C).
16. Only available with multi-stage heat pump and outdoor sensor connected.
Locks out the use of the auxiliary heat stage for outside air temperatures
over installer setting. Select from no lockout or a setting between 70º F to
40º F (21º C to 4º C).
NOTE: This balance point overrides the fossil fuel
compressor lockout. If the lockout is set to AG and the outdoor temperature
is over the AUX balance point, the compressor will remain on during a
second stage heating call. The unit will recover to the set point without the
AUX stage.
17. Selects the heating set point upper limit, scrolls between 90º F and 60º F
(32º C and 10º C).
18. Selects the cooling set point lower limit, scrolls between 45º F and 80º F
(7º C and 27º C).
5
Programming User Settings
Setting Temperature Differentials
The default settings for the first, second and third stage differentials are
compatible with most systems and applications. This is normally set at time
of installation and usually does not require any modification under normal
operating conditions. If you feel that your system is turning on too often, simply
follow the instructions below.
NOTE: The temperature differential settings are the same for both the heating
and cooling systems. Depending on the HVAC system installed, D2 or D3 may
not appear.
Setting First Stage Differential
The default setting is 0.2˚ F (0.1˚ C). The room temperature must change 0.2˚ F
(0.1˚ C) from the set point temperature before the thermostat will initiate the
system in heating or cooling.
1. In normal operating mode, press
and hold the
NEXT button for 4
seconds. The LCD display will
show “
SET D1 X˚”, where “X”
equals the ˚F / ˚C differential
setting. This is the current first
stage differential setting.