Emerson VERTIV Liebert Mini-Mate2 Series - Figure 28 Control Board (Inside Evaporator); Table 22 Control Board Connections and Functions

Microprocessor Control
49 Liebert
®
Mini-Mate2
™
Figure 28 Control board (inside evaporator)
Table 22 Control board connections and functions
Switch Function Switch Function
TB2-4 Hot Gas Bypass TB1-2 Customer Alarm Connection #1
TB2-3 High Head Alarm Connection TB1-1 Customer Alarm Connection (Common)
TB2-2 Heat Rejection (24VAC+) TB3-4 Connection to Terminal #4 Wall Box
TB2-1 Heat Rejection (24VAC GND) TB3-3 Connection to Terminal #3 Wall Box
TB1-9 Condensate Pump Aux Alarm TB3-2 Connection to Terminal #2 Wall Box
TB1-8 Condensate Pump Aux Alarm TB3-1 Connection to Terminal #1 Wall Box
TB1-7 Common Alarm Connection TB4-2 Site Monitoring Connection (-)
TB1-6 Common Alarm Connection TB4-1 Site Monitoring Connection (+)
TB1-5 Remote Shutdown P16 Remote Sensor Connection
TB1-4 Remote Shutdown
TB1-3 Customer Alarm Connection #2
1 2 3 4 5 10 9 8 7 6
Q1 Q2 Q3 Q4 9
9 9 9
7 7 7 7
3 3 3 3
2 2 2 2
Q5
1
7
3
2
U14 U15 U16 U18
U19
P6
P1
P2 P3
P4
P5
1
2
+
U8
U13
U4
T1
P7
SW1
1
L1
C26
U23
U10
+TB2 TB1
F1
H51
C13
U5
U3
O
P16
TB4 -
TB3
XX2
K5
K4
X
X
X
X
LIEBERT
ASSY. NO. XXXX
U17
WRL
21 345678
H52
TB1
TB2
TB3
TB4
P16