Vertiv | Liebert® AHU | User Manual
53
Appendix II: Circuit Diagram (Standard)
PE
19
19
PE
E2
▲
G2
G3
G4
T5
T2
T3
T4
G5
TB1
FAN3
COM
FAN3&4 BREAKER
QF2-5
TB2-
55
TB2-
24
FAN4
MAIN BREAKER 2
QF2 40A
MAIN BREAKER 1
QF1 40A
PE1
PE2
1L1 1L2
380~415V
1N
1L3
PE
2L2
2L1
2N
2L3
PE
7
3
1
5
7
5
1
3
8
4
2
6
8
4
2
6
485+ 485-
93 94
SYSTEM ATS
100A
24 55
PE
PE
TB2
TB2
TB1
TB2
C1000 CONTROLLER
50/60Hz 3N~
380~415V
50/60Hz 3N~
88
87
10V
/P
WM
86
85
10V
/P
WM
TB1
TB1
NC
COM
GND
IO2
COM NC GND
RSB
RSA RSB
RSA
NC
PE
L3
L2
L1
RSB
RSA
GND
NC
IO2
RSB
RSA
L1 L2 L3
GND
PE
CON2
CON2
PE
CON1
TO iCOM
6
31
11
23
KM1
91 91
CONTACTOR
EPO
24 12 32
92 92
A2
A1
1
13
3
5
4
14
2
EPO
63A
TB2
SUPPLY AIR TEMP SENSOR 2
WATER TEMP.SENSOR
WATER UNDER FLOOR
P39
PE
241
G2
PE
G1
242
TB1
Filter Clog SWITCH 1
AD4-S1
S1
AD4-S4
DAMPER 4
TB1-36
90
90
AD4-S5
S5
TB2-90
+/2
+/3
-/1
AD4-1
AD4-3
AD4-2
TB1-19
TB1-17
TB1-18
TB1-16
TB1-15
18
17
17
18
15
15
16 16
14 14
TB1-14
13 13
U/5
TB1-13
TB1-13
S4
S2 AD4-S2
36
36
CHILLED WATER VALVE
+/2
TB1-10
TB1-10
10 10
Y/3
TB1-12
TB1-12
11 11
12 12
TB1-11
TB1-11
-/1
2T-4
REMOTE SENSOR
P11
P12
5
6
7
4
▲
1
2
3
8
8
3 2 1
▲
4
7 6 5
E5
▲
1
2
TH-1
RETURN AIR T/H SENSOR
SUPPLY AIR TEMP SENSOR 1
2T-1
P51
5
6
7
8
9
11
12
13
4
▲
3
4
5
P67
10
3
1
2
P74
TB3
B
A
Ethernet
External 485
REMOTE SHUTDOWN DEVICE
37
TB1-37
TB1-38
38
P40
37
38
▲
4
3
2
1
TB1-38
TB1-37
TB1
S1 AD2-S1
1
2
S5 AD3-S5
35 35
DAMPER 3
AD3-S4
S4
S2 AD3-S2
TB1-35
TB1-34
AD3-S1
S1
34
34
TB1-33
33
AD2-S5
S5
33
DAMPER 2
AD2-S4
S4
S2 AD2-S2
32 32
TB1-32
-/1
+/2
+/3
-/1
+/3
+/2
KA2
7
8
5
6
TB1-Y1
TB1-241
TB1-G1
Y1 Y1
241
241
TB1-Y1
G1
G1
AD3-3
AD3-2
AD3-1
2
4
3 1
AD2-1
AD2-2
AD2-3
+/3
-/1
+/2
AD1-3
AD1-1
AD1-2
G1
G1
241
241
Y1
Y1
TB1-241
TB1-G1
TB1-Y1
TB1-241
3
89
AD1-S5
S5
AD1-S4
S4
S2
DAMPER 1
31
31
TO BMS
89
TB2-89
AD1-S2
TB1-31
AD1-S1
S1
2T-2
2T-3
T3-6
TRANSFORMER 2
T2-5
T2-6
T3-5
TRANSFORMER 3
POWER
4
1
T3 200VA
ETH-1
DISPLAY
2
1
3
2
3
4
T2 100VA
2
1
FAN1
FAN2
iCOM2
CLOGGED FILTER SWITCH 1
CLOGGED FILTER SWITCH 2
2
3
1
Filter Clog SWITCH 2
3
3
TB1-3
TB1-5
TB1-7
5
7
7
5
TB1-3
TB1-5
TB1-7
FC2
TB1-1
TB1-1
1
2
2
TB1-2
1
TB1-2
3
3
TB1
FC1
2
2
TB1
COMMON ALARM
75
76
75
76
TB1-76
TB1-75
▲
1
2
5
51 51
INPUT
50
TB1-50
50
2
4
24
POWER
Water Leak
55
56
1
6/+
OUTPUT
ATS
3/-
24
TB1-51
TB1-55
TB1-56
55
56
P36
P64
TB1-24
P8
1
2
3
4
5
6
7
▲
5
6
7
8
9
4 3
12 11
15 14 13
10
TB1
Detector
P4
P53
LED2 LAMP
PE
LED2--`
10
12 11
▲
1
2
3
4
5
6
7
8
9
3
5 4
P34
3
4
3
2 1
▲
4
7
P35
E1
5
6
P43
2 1
▲
LED1-+
1
2
241
LED1--
LED2-+`
4
5
242
S1
PE
G1
LED1 LAMP
G2
▲
1
2
2 1
▲
CON2
PE
PE
CON2
CON1
PE
CON1
RSB
RSA
GND
NC
COM
L3
IO2
PE
NC
COM
GND
L3
RSA
RSB
PE
PE L1
PE
IO2
L1 L2 L3 COM NC GND
PE
RSA RSB
PE
NC
COM
GND
L1
TB1
TB1
81 82
10V
/P
WM
10V
/P
WM
84
83
L1
L3
L2
L1
L2 L3
COM
CON1
L2
L3
L2
L1
RSA
RSB
L2
TB1-10V
10V 10V
GND
GND
TB1-GND
31
NC1
NC1
COM2COM2
NC2
TB1-NC1
COM1
COM1
TB1-COM1
NC2
TB1-COM2
TB1-NC2
36
TB1
Magnetic
Contact Switch
MCS1
TB1-8
A1
9
8
9
8
TB1-9
G1
241
TB1
18A
A2
2
14
A2
KM2
6
4
A1
1
13
3 5
FAN1&2 CONTACTOR
6
8
KA1
5
7
3 1
4 2
6
4
14
2
5
3
13
1
P4
▲
2 1
F1
OUTPUT
-
+
Power Module1
N
L
INPUT
PE
P45
P24
▲
▲
3
4
E1
3 4
2
1
1 2
T1-n
T1-N
P41
2
1
▲
TRANSFORMER 1
T1 44VA
T1-a
T1-A
F2
F3
F4
F5
4
3
22
Magnetic
Contact Switch
MCS5
11
2
1
2
1
2
1
2
Magnetic
Contact Switch
MCS3
Magnetic
Contact Switch
MCS2
Magnetic
Contact Switch
MCS4
1
2
1
2
Magnetic
Contact Switch
MCS6
N
1
TB1
6
2
4
16A
FAN1&2 BREAKER
3
1
5
QF3
QF1-5
QF1-3
QF1-1
6
2
4
3
1
5
QF2-1
QF2-3
4
3
1
POWER BREAKER
QF5
4
2
10A
L3
L2
L1
QF4-3
QF4-1
N
N
KM3
FAN3&4 CONTACTOR
16A
18A
L
L
QF4
L3
L2
L1