Lennox KCC Series Unit Information page 51

P4
14
5
8
11
9
15
4
5
4 1
RT26
1
5 2
3
3
13
A7
2
4
1
4
5
2
3
5
A62
2 RT27
5
12
2
1
4
7
6
10
KEY
A6
A7
A62
B7
J10
J104
J105
P3
P4
P104
P105
RT26
RT27
ECONOMIZER
A6
(POL224)
+
MAT
COM
OAT
1
OAH
3
2 COM
AUX-
A1
4
RAT
3 RAH
2
S-COM
1
S-24V
VFD
0-10
COM
ACT-
FB
ACT
2-10
ACT- 3
COM
ACT-
24V
COMPONENT
CONTROL - ECONOMIZER
SENSOR - OUTDOOR ENTHALPY
SENSOR - INDOOR ENTHALPY
MOTOR - DAMPER ECONOMIZER
JACK - ECONOMIZER MOTOR
JACK - SENSOR OUTDOOR
JACK - SENSOR RETURN AIR
PLUG - ECONOMIZER MOTOR
PLUG - ECONOMIZER
PLUG - SENSOR OUTDOOR
PLUG - SENSOR RETURN AIR
SENSOR - OUTDOOR AIR TEMP
SENSOR - RETURN AIR TEMP
DESIGNATES OPTIONAL WIRING
CLASS II FIELD WIRING
Page 51
4
AUX2-
O
COM
AUX2-
I
6
AUX1-
O
COM
AUX1-
I
OCC
Y2O
Y2I
Y1O
Y1I
J10 P3
C 3
3
R
7
COMMON
8
9
OUTDOOR AIR TEMP SENSOR RT26 OR OUTDOOR AIR
1
ENTHALPY SENSOR A7 MAY BE USED.
FOR DIFFERENTIAL ENTHALPY SENSING USE OUTDOOR
2
ENTHALPY SENSOR A7 AND RETURN AIR ENTHALPY SENSOR A62.
REFER ALSO TO MAIN UNIT WIRING DIAGRAM SECTION C.
3 3
PROGRAMMABLE, USE FOR SYSTEM ALARM OUTPUT.
4 4
FOR DIFFERENTIAL TEMPERATURE SENSING USE
5
RT26 & RT27 SENSORS.
PROGRAMMABLE, USE FOR POWER EXHAUST FAN 2 OUTPUT.
6
WIRING DIAGRAM
538242-01
ACCESSORIES
SIEMENS CONTROL ECONOMIZER (B &C-BOX)
D1
Supersedes New Form No.
B7
RED
24VAC
BLACK
GRAY
ACT2-10
PINK
ACT-FB
3/31
REV 0
538242-01