Subject to change without notice. Printed in U.S.A.
403134-YIM-E-0311
Copyright
©
2011 by Johnson Controls, Inc. All rights reserved.
Supersedes: 403134-YIM-D-0111
Johnson Controls Unitary Products
5005 York Drive
Norman, OK 73069
Fan On And Off Delays
The fan ON and OFF delays can be field adjusted by pressing a
combination of buttons on the UCB.
•
Gas Heat Option #1
- Press the
LAST ERROR
and
TEST RESET
buttons simultaneously and then release.
The control flashes three times as it writes a 30 second
delay ON and a 90 second delay OFF to the program.
•
Gas Heat Option #2
- Press the
COMM SETUP
and
TEST RESET
buttons simultaneously and then release.
The control flashes four times as it writes a 30 second
delay ON and a 180 second delay OFF to the program.
•
Electric Heat
- Press and release the
COMM SETUP
and
LAST ERROR
buttons at the same 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
program memory.
Figure 30: Unit Control Board
Table 25: Unit Control Board Flash Codes
Flash Code
Description
On Steady
Control Failure - Replace Control
Heart Beat
Normal Operation
1 Flash
Not Applicable
2 Flashes
Control waiting ASCD
1
3 Flashes
HPS1 - Compressor Lock out
5 Flashes
LPS1 - Compressor Lock out
7 Flashes
FS1 - Compressor Lock out
9 Flashes
Ignition Control Locked Out/
Ignition Control Failure / Limit Switch Trip / No
Jumper Plug in Heat Section
10 Flashes
Compressors Locked Out On Low
Outdoor Air Temperature
11 Flashes
Compressors Locked Out Because The
Economizer Is Using Free Cooling
Comm Setup
Button
Last Error
Button
Test Reset
Button
Control Board
LED
