Fan On And Off Delays; Maintenance; Normal Maintenance; Filters - York sunline 2000 Installation Manual

FAN ON AND OFF DELAYS

The fan on and off delays can be field adjusted by
pressing a combination of buttons on the UCB.
• 46
• - Press and release the
Electric Heat
and
SETUP LAST ERROR
time. The control flashes twice on the LED as
the control writes a 0 second ON and a 30
second OFF fan delay to the control's pro-
gram memory.
TABLE 31: UNIT CONTROL BOARD FLASH CODES
Flash Code
On Steady
Control Failure - Replace Control
Heart Beat Normal Operation
1 Flash
Not Applicable
2 Flashes
Control waiting ASCD
3 Flashes HPS1 - Compressor Lock out
5 Flashes
LPS1 - Compressor Lock out
7 Flashes FS1 - Compressor Lock out
Ignition Control Locked Out/
9 Flashes Ignition Control Failure / Limit Switch Trip / No
Jumper Plug in Heat Section
Compressors Locked Out On Low
10 Flashes
Outdoor Air Temperature
Compressors Locked Out Because The
11 Flashes
Economizer Is Using Free Cooling
13 Flashes
Compressor Held Off Due To Low Voltage
14 Flashes
EEPROM Storage Failure (Control Failure)
OFF No Power or Control Failure
1. These flash codes do not represent alarms.
Johnson Controls Unitary Products
COMM
buttons at the same
Description
1
1
1
1

MAINTENANCE

NORMAL MAINTENANCE

Prior to any of the following maintenance pro-
cedures, shut off all electric power to the unit to
prevent personal injury.

FILTERS

Inspect once a month. Replace disposable or clean per-
manent type as necessary. DO NOT replace permanent
type with disposable. The dimensional size of the replace-
ment filter must be the same as the replaced filter.

MOTORS

Outdoor fan motors are permanently lubricated and
require no maintenance.
Indoor Blower Motor and Drive - The indoor blower
motor features ball bearings that do not require
periodic lubrication.
Perform all maintenance operations on the
blower motor with electric power disconnected
from the unit.
On an annual basis, check the motor for accumulations
of dust, etc. that may block the cooling slots in the
motor shell. Check for loose, damaged or misaligned
drive components. Check that all mounting bolts are
tight. Replace defective parts as required.

OUTDOOR COIL

Dirt should not be allowed to accumulate on the out-
door coil surface or other parts in the air circuit. Clean-
ing should be as often as necessary to keep coil clean.
Use a brush, vacuum cleaner attachment, or other suit-
able means. If water is used to clean coil, be sure elec-
tric power to the unit is shut off prior to cleaning.
Exercise care when cleaning the coil so that
NOTE:
the coil fins are not damaged.
362242-YIM-B-0109
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