Emerson Liebert PEX User Manual page 20

L1 03
Black Black
J9 3 2 1 J3 HP1
W
V U
04 04 04 L1 06
Black Black Black Black
1 2 3
Wiring terminal
block
12 13 14
Black Black Black Black
07 07 07 08 09
1L1 3L2 5L3
Contactor 1
2T1 4T2 6T3 A2
Black Black Black Black
01 01 01 01 09
V1
U1
W1
TB
Fan1 (remote)
TB
PE
01
01
Pressure sensor 2 Pressure sensor 1
J4 HP2 J14 HP2 J15 HP1 J5 OutTemp J11 RS232
10 11
White
Brown Orange
4 5 6
15 16
White
Brown Orange
09 09
A1 NO 1L1 3L2 5L3 A1 NO
Contactor 2
NO 2T1 4T2 6T3 A2 NO
Orange Black Black Black Black Orange
02 02 02 02 09
V1
U1
W1
TB
Fan2
TB
(proximal)
PE
02
02
Figure 2 Circuit diagram of the condenser with double fans
Liebert.PEX Condenser User Manual
Shell connecting
05
to the earth
Olivine
7
Air circuit
breaker
Black Black Olivine Olivine
02 01 02 01
Isolation
switch
Remark:
1. Connect the pressure sensor 1 only, when PEX
condenser is a single circuit.
2. Connect the pressure sensor 1 and 2 with the
copper pipe of PEX condenser, when PEX
condenser is a dual circuit.
3. When mounted vertically, the lower header
connects to pressure sensor 1 and the upper
header connects to pressure sensor 2.
4. Both external power and compressor signal are
wired in field.
5. The compressor signal cables should be in
parallel and then connected into the electrical
control board, when the indoor unit is a dual circuit.
Appendix 1 Circuit Diagram
06
10 11
Compressor
White
Brown Orange signal
J7 Fan1Sta J10 Fan2Sta J6 CompSta
L3 L2 L1 PE
03 03 03
03
Black Black Black
Olivine
8 9
17 18
10 10 10
Black Black Black
L3 L2 L1
N
PE
External power
17