EngA C-TRAC2 Installation, Operation And Maintenance Manual page 35

A
OPTIONAL COMPUTER
INPUT TO MODIFY
DISCHARGE SIGNAL
OPTIONAL ROOM OR RETURN AIR
CONTROL TO MODIFY
DISCHARGE SIGNAL
DISCHARGE
SET POINT
DISCHARGE
AIR SENSOR
ENGA C-TRAC 2.1
24 V
UNGROUNDED POWER INPUT
H
N
P7
+
_
1 2 3 4 5 6 7
Z
Grey
Y
Orange
P5
X
Violet
V
P4
Blue
Grey
U
P3
Orange S
Blue
SP
P2
Q
P1
M
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C-TRAC2.1 MANUAL
ED
B
W
R
DIP
5
SWITCHES
4
3
2
1
C
E
K
A
Setpoint
HT
HD
0 – 10 VDC ECONOMIZER
TO
DAMPER MOTOR
CONTACTOR POWER
OUTPUT FOR FIVE
STAGES
CONTACTOR POWER INPUT
ENTHALPY INPUT
TIME CLOCK 24V INPUT
LOW AMBIENT 24V INPUT
OUTPUT TO ENG A HEATING
CONTROL
0 – 10 VDC HEAT OUTPUT
March 1999 R1