29
(SOFT KEY 2) to save the configuration and return to the
Clock Set menu.
8. Press EXIT (SOFT KEY 1) twice to return to the main
menu.
Programming Operating Schedules — The
ComfortLink controls will accommodate up to eight different
schedules (Periods 1 through 8), and each schedule is assigned
to the desired days of the week. Each schedule includes an oc-
cupied on and off time. As an example, to set an occupied
schedule for 8 AM to 5 PM for Monday through Friday, the
user would set days Monday through Friday to ON for Period
1. Then the user would configure the Period 1 Occupied From
point to 08:00 and the Period 1 Occupied To point to 17:00. To
create a different weekend schedule, the user would use Period
2 and set days Saturday and Sunday to ON with the desired Oc-
cupied On and Off times.
NOTE: By default, the time schedule periods are programmed
for 24 hours of occupied operation.
To create a schedule, perform the following procedure:
1. Scroll to the Configuration mode, and select CCN CON-
FIGURATION (CCN). Scroll down to the Schedule
Number (Configuration
IAQ
SC.OV=SCH.N). If
password protection has been enabled, the user will be
prompted to enter the password before any new data is
accepted. The default password is 1111. SCH.N has a
range of 0 to 99. The default value is 1. A value of 0 is al-
ways occupied, and the unit will control to its occupied
set points. A value of 1 means the unit will follow a local
schedule, and a value of 65 to 99 means it will follow a
CCN schedule. Schedules 2-64 are not used as the control
only supports one internal/local schedule. If one of the 2-
64 schedules is configured, then the control will force the
number back to 1. Make sure the value is set to 1 to use a
local schedule.
2. Enter the Time Clock mode. Scroll down to the LOCAL
TIME SCHEDULE (SCH.L) sub-mode, and press EN-
TER. Period 1 (PER.1) will be displayed.
3. Scroll down to the MON point. This point indicates if
schedule 1 applies to Monday. Use the ENTER command
to go into Edit mode, and use the UP or DOWN key to
change the display to YES or NO. Scroll down through
the rest of the days and apply schedule 1 where desired.
The schedule can also be applied to a holiday.
4. Configure the beginning of the occupied time period for
Period 1 (OCC). Press ENTER to go into Edit mode, and
the first two digits of the 00.00 will start flashing. Use the
UP or DOWN key to display the correct value for hours,
in 24-hour (military) time. Press ENTER and hour value
is saved and the minutes digits will start flashing. Use the
same procedure to display and save the desired minutes
value.
5. Configure the unoccupied time for period 1 (UNC). Press
ENTER to go into Edit mode, and the first two digits of
the 00.00 will start flashing. Use the UP or DOWN key to
display the correct value for hours, in 24-hour (military)
time. Press ENTER and hour value is saved and the min-
utes digits will start flashing. Use the same procedure to
display and save the desired minutes value.
6. The first schedule is now complete. If a second schedule
is needed, such as for weekends or holidays, scroll down
and repeat the entire procedure for period 2 (PER.2). If
additional schedules are needed, repeat the process for as
many as are needed. Eight schedules are provided.
SERVICE TEST
General —
The units are equipped with a Service Test fea-
ture, which is intended to allow a service person to force the
unit into different modes of operation. To use this feature, enter
the Service Test category on the Navigator display and place
the unit into the test mode by changing Service Test
TEST
from OFF to ON. The display will prompt for the password be-
fore allowing any change. The default password is 1111. Once
the unit enters the Service Test mode, the unit will shut down
all current modes.
TEST — The TEST command turns the unit off (hard stop)
and allows the unit to be put in a manual control mode.
STOP — The STOP command completely disables the unit
(all outputs turn off immediately). Once in this mode, nothing
can override the unit to turn it on. The controller will ignore all
inputs and commands.
S.STP — Setting Soft Stop to YES turns the unit off in an
orderly way, honoring any timeguards currently in effect.
FAN.F — By turning the FAN FORCE on, the supply fan is
turned on and will operate as it normally would, controlling
duct static pressure on VAV. SAV modulates from high to low
based on the software's algorithms. To remove the force, press
ENTER and then press the UP and DOWN arrows simultane-
ously.
The remaining categories: INDP, FAN S, AC.T.C, HMZR,
EXVS, COOL, and HEAT are sub-menus with separate items
and functions. See Table 23.
Service Test Mode Logic — Operation in the Service
Test mode is sub-menu specific except for the INDP sub-
menu. Leaving the sub-menu while a test is being performed
and attempting to start a different test in the new sub-menu will
cause the previous test to terminate. When this happens, the
new request will be delayed for 5 seconds. For example, if
compressors were turned on under the COOL sub-menu, any
attempt to turn on heating stages within the HEAT sub-menu
would immediately turn off the compressors and 5 seconds lat-
er the controller would honor the requested heat stages.
However, it is important to note that the user can leave a
Service Test mode to view any of the local display menus (Run
Status, Tempe ra ture s, Pressures, Setpoints, Inputs, Outputs,
Configuration, Time Clock, Operating Modes, and Alarms)
and the control will remain in the Service Test mode.
Independent Outputs — The INDP sub-menu items
can be turned on and off regardless of the other category states.
For example, the humidifier relay or remote alarm/auxiliary re-
lay can be forced on in the INDP sub-menu and will remain on
if compressor stages were requested in the COOL sub-menu.
Fans — Upon entering the FANS sub-menu, the user will be
able to enact either a manual or automatic style of test opera-
tion. The first item in the sub-menu, Fan Test Mode Automatic
(Service Test
FANS
F. M O D ), allows the fan and the con-
figured static pressure or building pressure control to begin as
in the application run mode. During this automatic mode, it is
possible to manually control condenser fans 1 to 4.
If Fan Test Mode Automatic (Service Test
FANS
F. M O D ), is set to NO, then the user will have individual con-
trol over duct static pressure (VFD speed), building pressure
and condenser fan control. Additionally, the controller will pro-
tect the system from developing too much static pressure. If the
static pressure during manual control rises above 3 in. wg or if
the Static Pressure Set Point (Setpoints
SPSP) is greater than
2.5 in. wg and static pressure is 0.5 in. wg higher than SPSP,
then all options in the FANS menu will be cleared back to their
default OFF states.
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