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
C
B
A
F
T
S
D
S
2
5
CTON
HTON
AUXH
24V
1A (X6)
DEH
OPT
DEH
OPT
Vo+
0
VFD MITSUBISHI FR-E700
P3 AHU Control Kit
ON
+5V
+12V
C
GND
FAULT
OUTPUT
CN54
ON/OFF
INPUT
N
.O
.
N
.C
.
AN
AL
O
G
C
O
M
.
FW
S
TA
R
T
IN
PU
T
C
O
M
.
0~
10
VD
C
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.
Summary of Contents for VPB036H4M
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