Emerson Copeland XC643 - Page 7

Pb1
Pb2
Application Engineering
B U L L E T I N
AE8-1386 R1
PP11, PP30, 4-20mA pressure transducers
respect the polarity. Pb1 Pb2
dEU= Pr4
5 7
Suction
Brown (+) to terminal 6 ; white (-) to terminal 5
4 6 8
Condenser
12V §
Brown (+) to terminal 6 ; white (-) to terminal 7
40mA
Figure 4a - Wiring Diagram for 4-20 mA Pressure Transducer
Pb1 Pb2
Temperature probes (NTC 10K)
dEU= tPr
Suction: 4-5
Condenser: 4-7
5 7
4 6 8
Figure 4b - Wiring Diagram for NTC 10K Temperature Probes
Ratiometric transducers (0.5 - 4.5Vdc)
dEU= Pr5
Gnd
Suction
In In
5 (control); 4(+); 10 (gnd)
1 5 7
Condenser
2 4 6 8 10
7 (control); 4(+); 10 (gnd) + Gnd
5V §
40mA
Figure 4c - Wiring for Ratiometric Pressure Transducers
© 2013 Emerson Climate Technologies, Inc.
7
Printed in the U.S.A.