38
Figure 31. Electric Air Handler Variable Speed Wiring
(Lennox Air Handler Variable Speed Connection Shown)
Variable Speed Wiring
Example AHU LII TAA w/ VFD ID Blower
FAN FAN CTON HTON AUXH
CBAFTSDS25
CTON HTON AUXH
24V
1A (X6)
DEH OPTDEH OPTVo+ 0
VFD MITSUBISHI FR-E700
P3 AHU Control Kit
ON +5V +12VC GND
FAULT
OUTPUT
CN54
ON/OFF
INPUT
N.O.
N.C.
ANALOG COM.
FW START
INPUT COM.
0~10VDC
LII AHU ELA240S4D-1Y
Network Address and Commissioning
After the system has been installed, the AHU Control
Board must be assigned an address as part of the
commissioning procedure.
NOTE - The receiver temperature unit display must be
set at the same time as the controller. Receivers default
to display temperatures in °F. To change the receiver’s
temperature unit display, press and hold the Manual
button on the unit receiver for 5 to 15 seconds until the
display changes to show the desired temperature unit.
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