Honeywell PC8900A Manual page 25

TO ENTER THE INSTALLER SETUP MODE:
1. Hold the PC8900A CHECK key until all display
segments are displayed (approximately three seconds).
See Fig. 29.
2. Press the up and down arrowhead keys at the same
time. The display goes blank, except for up to four
segments (SYSTEM, HEAT, COOL, FAN) as shown in
Fig. 30. One of these segments flashes. The flashing
segment indicates the current menu selection.
TO CHANGE TO ANOTHER SELECTION:
1. Press the up or down arrowhead key until the desired
segment is flashing.
2. Once the desired segment is flashing, press the
CHECK key for options within that segment. The options
are SYSTEM, HEAT, COOL and FAN.
3. Press RUN to exit the installer setup.
Factory-Setting
M6361
M6362
M6363
M6364
M6365
M6366
M6367
M6368
M6369
Table 4. System Setting Options
Description
System switch is configured for
manual changeover HEAT-OFF-
COOL or EM HT-HEAT-OFF-
COOL.
Five-minute compressor
protection is on; calls for cooling
(heat pump) are followed by a
five-minute enforced shutdown.
System does not have a C7189A
Remote Indoor Sensor.
System does not have a C7100A
Discharge Air Sensor.
System uses PC8900A
temperature only. If the system is
configured for a remote sensor
(SENS REM Y), temperature
control is averaged between
C7189A Remote Indoor Sensor
and PC8900A Control Panel.
System does not have a C7089A
Outdoor Sensor.
System has an Energy Recovery
Ventilator (for example,
Honeywell ER90). Calls for
ventilation, close
Communications should always
be configured to N. If CM8900A
Communication Module is
present, it changes to Yes
automatically.
W8900B model only. O/B
terminal energized in heating
only. Use this setting for heat
pumps with heating changeover.
System Options
When SYSTEM is flashing, the following list of options
pertaining to the equipment and sensors connected to the
system appears on the PC8900A display. To make each
selection, press the CHECK key. See Table 4 for setting
options.
SYSTEM OFF AUTO
Fig. 29. All segments on display.
Other Choices (Press
Up or Down Arrowhead
Keys to Change)
M6375
M6376
M6377
M6378
M6379
M6380
M6381
M6382
M6383
M6384
25
AUX HEAT SET PT COOL SET PT
FAN
AUTO
ON
CIRC
M6360
Description
System switch is configured for
automatic changeover HEAT-OFF-
COOL-AUTO or EM HT-HEAT-OFF-
COOL-AUTO.
No compressor protection exists. Calls
for cooling (heat pump) can occur
immediately.
System does have a C7189A Remote
Indoor Sensor.
System does have a C7100A
Discharge Air Sensor.
System uses C7189A Remote Indoor
Sensor only. Be sure the system is
configured for remote sensor
(SENS REM Y).
System does have a C7089A Outdoor
Sensor.
System has an outside air damper.
Calls for ventilation close VNT
contacts and activate system fan.
System has no ventilation equipment.
A call for ventilation activates the
system fan.
Communication module is activated.
W8900A-C automatically changes to
this setting when communication is
received.
W8900B model only. O/B terminal
energized in cooling only. Use this
setting for heat pumps with cooling
changeover.
68-0173—3