Lennox CBX32MV-048 User Manual

Page 37
CBX32MV
Configuring Unit Size Codes (Model Number)
Power-up — Unit Size Code (number or letter) displayed represents unit size code (air handler model size and capacity). If
three horizontal bars display, then Air Handler Control (AHC) does not recognize unit size code.
AHC in IDLE mode
(No heating, cooling or indoor fan operation)
To enter unit size code
configuration mode; PUSH and
HOLD button next to single
character LED display until dash
symbol appears, RELEASE button.
Turn room thermostat to
OFF
PUSH and HOLD button until the solid P
symbol is displayed on the single
character LED display, then RELEASE
button. This mode allows the user to
select a unit size code (number or letter)
that matches the air handler model size
and capacity.
Solid dash starts blinking
on single character LED
display.
Solid P starts blinking
on single character
LED display.
PUSH and HOLD button to allow AHC to display unit size
code
(letter or number) for each different air handler model
for three seconds.
Yes
No
IMPORTANT — Field replacement controls may need to be manually
configured to validate air handler unit size code.



_
_
P
P
AIR HANDLER
MODEL
CBX32MV-018/024
CBX32MV-024/030
CBX32MV-036
CBX32MV-048
CBX32MV-060
CBX32MV-068
CBX40UHV-024
CBX40UHV-030
CBX40UHV-036
CBX40UHV-042
CBX40UHV-048
CBX40UHV-060
UNIT SIZE
CODE
0
1
2
3
4
5
6
7
8
9
L
U
1. When the correct Unit Sized Code is displayed, RELEASE
push button. Selected code will flash for 10 second period.
2. During that 10 second period, HOLD push button until code
stops blinking (three seconds minimum).
3. Air Handler Control will store code in memory and exit current
active mode. LED display will go blank and then the Unit Size
Code will display for 2 to 5 seconds.
NOTE - If 10 second period expires, or push button is held less than
three seconds, control will automatically exit current active mode and
go into IDLE Mode without storing unit size code. If this occurs, then
Unit Size Code configuring procedure must be repeated.
LED displays correct
Unit Size Code.
Unit enters IDLE
Mode.
YES
NO
Figure 21. Configure Unit Size Codes

Lennox CBX32MV-048 Specifications

General

Brand	Lennox
Model	CBX32MV-048
Category	Air Handlers
Language	English