Vertiv | Liebert AHU | User Manual
52
Appendix I: Circuit Diagram (SFA)
TB1-13
TB1-13
U/5
Airflow Sensor
Supply Air Pressure Sensor
PE
PE
E2
E5
TO POWER METER-3
TO POWER METER-4
External 485
Ethernet
5
4
P72
5
6
7
4
▲
1
2
3
8
8
3
2
1
▲
4
7
6
5
P12
P11
13
13
Vout/1
TB1-14
14
14
TB1-14
TB1-15
TB1-16
16
16
15 15
TB1-18
18
17 17
18
Vout/1
COM/2
PWR/3
COM/2
TB1-15
TB1-16
TB1-18
TB1-17
TB1-17
A
▲
B
TB3
TB1-19
PWR/3
19
19
TB1-19
G2
G3
G4
T5
T2
T3
T4
G5
TB1
P74
REMOTE SENSOR
2T-4
SUPPLY AIR TEMP SENSOR 2
2T-3
TO BMS
L1
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
88
87
10V
/PWM
86
85
10V
/PWM
TB1
TB1
8
4
2
6
8
4
2
6
485+ 485-
93 94
L3
L2
L1
L2 L3
CO
M
CON1
NC
CO
M
GND
IO2
COM NC GND
RSB
RSA RSB
RSA
FAN3
NC
COM
PE
L3
L2
L1
RSB
RSA
GND
NC
IO2
RSB
RSA
L1 L2 L3
GND
PE
CON2
CON2
PE
CON1
FAN4
SYSTEM ATS
100A
TB
2-
24
TB
2-
55
TO iCOM
24 55
PE
PE
TB2
TB2
TB1
TB2
C1000 CONTROLLER
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
TRANSFORMER 3
WATER TEMP.SENSOR
2T-2
WATER UNDER FLOOR
22
T3-5
T2-6
T2-5
TRANSFORMER 2
T3-6
Magnetic
Contact Switch
MCS5
1
3
4
2
AD3-1
AD3-2
AD3-3
AD4-2
AD4-3
AD4-1
AD2-1
AD2-2
AD2-3
AD4-S1
S1
-/1
+/3
+/2
TB2-90
S5 AD4-S5
90 90
TB1-36
DAMPER 4
AD4-S4
S4
S2 AD4-S2
36
36
CHILLED WATER VALVE
+/2
TB1-10
TB1-10
10 10
▲
1
2
Y/3
TB1-12
TB1-12
11 11
12 12
TB1-11
TB1-11
-/1
G1 G1
TB1-Y1
241 241
Y1
Y1
TB1-G1
TB1-241
TB1-Y1
6
5
8
7
KA2
TB1-32
32
32
AD2-S2
S2
S4 AD2-S4
DAMPER 2
33
S5 AD2-S5
33
TB1-33
+/2
+/3
-/1
+/3
+/2
34 34
S1 AD3-S1
TB1-34
TB1-35
AD3-S2
S2
S4 AD3-S4
DAMPER 3
35
35
-/1
AD3-S5
S5
TH-1
RETURN AIR T/H SENSOR
SUPPLY AIR TEMP SENSOR 1
2T-1
REMOTE SHUTDOWN DEVICE
37
TB1-37
TB1-38
38
P51
P40
5
6
7
8
9
11
12
13
4
▲
3
4
5
P67
10
3
1
2
37
38
▲
4
3
2
1
TB1-38
TB1-37
P39
TB1
9
8
TB1-75
TB1-76
76
75
9
8
TB1-8
TB1-9
11
76
75
COMMON ALARM
2
1
2
1
2
1
1
2
TB1
Magnetic
Contact Switch
MCS3
Magnetic
Contact Switch
MCS2
Magnetic
Contact Switch
MCS4
Magnetic
Contact Switch
MCS1
TB1
AD1-2
AD1-1
AD1-3
FC2
S1 AD2-S1
31 31
+/2
-/1
+/3
DAMPER 1
S2
S4 AD1-S4
S5 AD1-S5
89
89
TB2-89
AD1-S2
TB1-31
AD1-S1
S1
G1
G1
241
241
Y1
Y1
TB1-241
TB1-G1
TB1-Y1
TB1-241
TB1-7
TB1-5
TB1-3
5
7
7
5
TB1-7
TB1-5
TB1-3
3
3
Filter Clog SWITCH 2
1
3
2
1
2
1
2
Magnetic
Contact Switch
MCS6
POWER
3
6
T3 200VA
ETH-1
DISPLAY
2
1
3
2
4
3
4
T2 100VA
2
1
83 84
10V
/PWM
10V
/PWM
82
81
LED2 LAMP
P53
P4
TB1
TB1
CLOGGED FILTER SWITCH 2
CLOGGED FILTER SWITCH 1
L1
GND
CO
M
NC
PE
RSB
RSA
PE
GND
NC
COM
L3
L2
L1
IO2
PE
L1
PE
PE
RSB
RSA
L3
GND
CO
M
NC
PE
IO2
L3 COM NC GND
RSA RSB
CON1
PE
CON1
CON2
PE
PE
CON2
FAN1
FAN2
L2
L3
L2
L1
RSA
RSB
L2
TB1-1
TB1-1
1
2
2
TB1-2
1
TB1-2
▲
1
2
3
3
TB1
5
51 51
INPUT
50
TB1-50
50
2
PE
4
24
POWER
Water Leak
55
56
1
6/+
OUTPUT
ATS
3/-
PE
24
TB1-51
TB1-55
TB1-56
55
56
iCOM2
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
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
241 241
LED1--
LED2-+`
4
5
242
S1
PE
G1
LED1 LAMP
G2
G2
PE
G1
242
TB1
▲
1
2
TB1-10V
10V 10V
GND
GND
TB1-GND
G1
241
31
NC1
NC1
COM2COM2
NC2
TB1-NC1
COM1
COM1
TB1-COM1
NC2
TB1-COM2
TB1-NC2
36
2
1
▲
TB1
TB1
6
2
4
4
2
P4
18A
A2
2
14
A2
KM2
6
4
16A
A1
A1
1
13
3
5
FAN1&2 CONTACTOR
▲
2
1
F1
6
8
KA1
5
7
3 1
4
2
IN
UltraCAP
OUTPUT
OUTPUT
+
+
-
-
+
-
+
Power Module1
N
L
INPUT
N
6A
L1 L2
INPUT
PE
PE
P45
P24
OUT
-
+
-
▲
▲
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
POWER BREAKER
1
3
QF5
QF3-1
QF3-3
FAN1&2 BREAKER
3
1
5
QF3
QF1-5
QF1-3
QF1-1
3
1
POWER BREAKER
QF6
4
2
10A
L3
L2
L1
QF4-3
QF4-1
6
2
4
3
4
POWER METER
N
N
N
2
RSB
6
4
14
2
5
3
13
1
KM3
FAN3&4 CONTACTOR
16A
18A
Un
L
L
L
1
8
RSA
Ua
FUSE 2A
F1
F1
PE
PE
Ub
F2
F2
Ib
Ic
Ia
Uc
F3
F3
5
6
7
9
10
11
12
13
14
FAN3&4 BREAKER
3
1
5
QF4
QF2-1
QF2-3
QF2-5
L3
L2
L1
1
3
2
FC1
50/60Hz 3N~
380~415V
50/60Hz 3N~
Detector
Filter Clog SWITCH 1
2
2
TO iCOM P72-4
TO iCOM P72-5
Power Module2