Appendix 1 Circuit Diagram - Emerson Liebert.PEX+ Series User Manual

8 7
LINE L1 BK
SEE UNIT NAMEPLATE VOLTAGE
L2 BK
FOR MAIN SUPPLY 3 PHASE
WIRE SIZING SUPPLY
L3 BK
FACTORY MOUNTED MAIN UNIT SWITCH
EARTH GROUND
EARTH
ALTERNATE P65 CONNECTION CONNECTION
5
SEE NOTE 12
NEUTRAL
77
TO W/OR 65-2
MONITORING 70
78
R
OR 65-1
SYSTEM
C1
HEAT 71
R
D
REJECTION
BL 7-1 70A
DEVICE
R
FTS CONNECTION
10
BR 7-2 C2
71A
R
REMOTE 58
P
LIQUITECT
SEE R BR
2LQR
80
INDICATOR 59
P NOTE SDT
" OPTIONAL "
7 81 R BR
82
EM1 97
SEE P
BR
15 NOTE
3R3
83
96
9 P
BR
MFAS
95
SEE 84 P
COMMON R
OFF ON
NOTE
ALARM
1 94 2R3
85 P
8
R
2 CONNECTION
2CPAR
3
R
SEE 88 P
76
4
NOTE R
5
89 P
10 1R3
20 6
75
7 ALL FIELD WIRING - SEE NOTE 1 R
8 R
9
CUSTOMER CONNECTIONS, ALSO SEE L INES 2,3,5,6,13,18,19,20,22,28 & 29
10
SW2 SEE 72 R
(SEE NOTE 15) NOTE K11
3 73 R 33-10 33-11
25
C
OPTIONAL 3 PHASE REMOTE CONDENSE R 1, 2
3P RC1,2
30
EARTH GROUND
CONNECTION
INFRARED HUMIDIFIER
HS1
HL1 HL1 1H1
HS1-4
BR L1
HS1-2
HL2
2H1
HL2 HS1-1
35
BK L2
HL2 HS1-3
3H1
GY L3
HL3 HL3
CCH1
5C1
BK
4C1
BK
COMPRESSOR NO.1
1C1
40 BR L1
2C1
BK L2
3C1
B
GY L3
CCH2 5C2
BK
4C2
45
BK
COMPRESSOR NO.2
1C2
BR
L1
2C2
BK
L2
3C2
GY
L3
CT FOR 1 BAY UNITS
50
1 2
REHEAT 2 USES CB1 OF REHEAT 1
ELECTRICAL REHEAT
1RH1 CBRH2 NOT FITTED
BR L1
REHEAT 1 2RH1
BK L2
3RH1
GY L3
1RH2
55
BR L1
REHEAT 2
2RH2
(OPTIONAL)
BK
L2
3RH2
GY L3
FOR 2 BAY & 3 BAY UNITS
A
SEPERATE CB FOR REHEAT 2
60
MAIN FAN 1,2
BR L1
BK L2
GY L3
OPTIONAL PHASE FAULT RELAY
65
PHASE FAULT RELAY CONNECTS TO
TO 38B 18 L1
MF1 ON 1 BAY UNITS
TO 37B 15 25 TO 24 L2
MF2 ON 2 BAY UNITS
TO 51 L3
26 MF3 ON 3 BAY UNITS
8 7

Appendix 1 Circuit Diagram

6 5
UNIT DISPLAY
66-1
UNIT ALARM
T1
66-6 P64 WIRES
24V
INCLUDED
64-1 ON LARGE
DISPLAY
64-8
ONLY
CP
R
4-1 R 4-1 R 24-2 24-1
4-2 R 4-2 45-2 R 45-1
4-3 R 4-3
PCB CONTROL FUSES
L3 L2 L1
4-4 R 4-4
REMOVE FOR EXTRA RSD TERMINALS
SEE NOTE 6
R
R
37C RSD3 38C 37B RSD2 38B
HTS
39-1 BL BR 39-2 39-3
HWA
8-7 BR BL 8-5
U20
R R
R
SEE NOTE 6
T5
RAD1 38-3
24 (EM1) 50
8-6 R R 8-1 U16
RAD2 40-2
51
40-1 R 8-2 U17
CPSS 40-4
55
P
40-3 P R 8-3 U18
R 40-6
40-5 3BR
56
R R 8-4 U19 40-7
24A
RESISTOR
WUF LQR
1.2KΩ
38-1
Q18
22-1
Q17
52-5
22-3 R
2
52-1 W
ACT1
22-6
ECOCV
1
52-2 BR
ACT2
3 CWCV
52-3 BL
BR
2 8 BL 2 8 BL
2
53-1 W
ECF1 ECF2
ACT1 3 7 BR 3 7 BR
1
53-2 BR
PHECV
(KL3) (KL3)
3
53-3 BL
BL
53-5
BR
2
54-1 W 34-12 R
ACT2
1
54-2 BR
PHECV
3
54-3 BL OPTIONAL REHEAT 2
54-5
AS
36-4 R R 36-7
Q1
34-4
35-7
R 36-5 U15
T4
Q2
34-6
Q3
2
51-1 W
34-8
ACT 1 Q4
1
51-2 BR 35-1
CWCV
3
51-3 BL
51-5 BL 2 8 BL 2 8 BL
ECF1 ECF2
Q15
BR 3 7 BR 3 7 BR
36-9 (KL3) (KL3)
Q8
32-3 BR
Q9
33-4 BR
DLT2
BL
HP2
32-5 BL
R
33-7 U24
T3
Q12
32-1 BR
Q13
33-1 BR
DLT1
BL
HP1
32-4 BL
T2
R 33-6
U27
（ ）
SHADED AREAS MAY BE FUSES
DIGITAL SCROLL
（ ） 13-3 R
OR CIRCUIT BREAKERS
THERMISTOR 1
OPTIONAL
12-1 GN
HPT1
12-3 W
OPTIONAL
6 5
Liebert. PEX+Series Precision Air Conditioner
4 3
PRIMARY P65 CONNECTION
65-1 12-1 R 42 ANALOG 13-1 R
INTELLISLOT 1 INPUTS
65-4 12-2 BK 13-2 R
41 #1
61-1 12-5 R 44 ANALOG 13-5 R
INTELLISLOT 2
INPUTS
61-8 12-6 BK 13-6 R
43 #2
GN/Y
E-1
K3
T6
41-1 OR R 41-3 45-3 R 43-1 GN/Y
K11
GN/Y E5
41-2 OR R 41-4 45-4 R 43-2
SEE NOTE 6 40-11 40-9 40-10
U23
HMV
R Q6
39-4 35-3 BL BR 35-4
37 RSD1 38
R
Q5 FC
36-1 R R 36-2
R
ECF1 ECF2,3
R 36-6
(KL2) (KL2)
EC FAN OPTION
SEE NOTE 11
40-12 R 40-13 36-3
REMOVE WIRES WHEN
R3 IS PRESENT
K3 K3
36-15 36-13 36-14 OR R3
OR R
INCLUDED WITH R3
R
P CPAR
R
22-5 SD
R SDT BK
1 5 50 24 90 G5 BR
BK 93
22-2
3 1
R 93
R
5
2 2 92
22-4
R
RESET R 92
6 3
R 91
52-4
4 SDC R 91
R
2 8
ECF3
3 7 BR
(KL3) SEE NOTE 16
BR
OPTIONAL WITH GCD
R BR
RS1 RS2 RS3
R 34-3
24DH 24DG
R
24H GCD 24G
34-1 R
RS4 RS5 RS6 SEE NOTE 6
R BR R
1BR
R R RH1 R 34-5 34-11 R
2BR
R R RH2 R 34-7
1EM1
DHV
BR BL 34-9
HS3
BR BL 35-2 35-6 R H
2EM1
SEE NOTE 16
2 8
ECF3
3 7
(KL3)
LLSV2
BL
HGBP2/DSV2
BL
BR 33-9 U26
11-5 GN BK 11-6
BR LPT2
11-7 W GY 11-8
LP2
BR 33-8 U25
OPTIONAL
Q10
BL 32-7 32-12 R C2
W
LLSV1
BL
HGBP1/DSV1
BL
BR 32-9 U29 11-1 BK 11-2
GN
BR LPT1
11-3 W GY 11-4
LP1
BR 32-8 U28
OPTIONAL
Q14
BL 32-6 32-10 R C1 R
W
DIGITAL SCROLL
13-5 R R 13-6
R 13-4
THERMISTOR 2
OPTIONAL
BK 12-5 GN BK 12-6
12-2
HPT2
GY 12-4 12-7 W GY 12-8
OPTIONAL
4 3
User Manual
Appendix 1 Circuit Diagram
2 1
NOTES:
1. ALL FIELD WIRING TO BE PER LOCAL CODES. USE COPPER CONDUCTORS ONLY.
2. SEE INSTALLATION AND USER MANUAL(S).
42 TH/HU
67-1 3. K11 RELAY CONTACTS HAVE SEPARATE TERMINALS MARKDE 72 AND 73 ON DUAL COOL .
TEMP/
4. FAN MOTOR OVERLOAD SYSTEM DEPENDENT ON FAN MOTOR MANUFACTURER, CONTROL
41 HUMID
VOLTAGE OVERLOAD SYSTEM SHOWN IN SHADED AREAS, LINE VOLTAGE OVERLOAD SYSTEM
67-6
SHOWN IN BOXED AREA.
SENSORS
5. THREE PHASE MOTORS PROTECTED FOR PRIMARY SINGLE PHASING CONDITION.
44 6. JUMPER TO BE REMOVED WHEN OPTIONAL COMPONENT IS USED.
7. OPTIONAL SMOKE DETECTOR: TERMINALS SUPPLIED IN FIELD WIRING COMPARTMENT FOR
5
REMOTE INDICATION. FIELD TO CONNECT 24V MAX.
43
8. OPTIONAL MAIN FAN AUXILIARY SIDE SWITCH: TERMINALS LOCATED IN FIELD WIRING
COMPARTMENT FOR REMOTE INDICATION. FIELD TO CONNECT 24V MAX.
9. OPTIONAL EMERGENCY POWER LOCKOUT OF REHEAT AND/OR HUMIDIFIER: CONNECTIONS
E1
PROVIDED FOR REMOTE 24V AC SOURCE.
24,24
10. OPTIONAL CONDENSATE PUMP ALARM RELAY TERMINALS LOCATED IN WIRING COMPARTMENT
E2
FOR REMOTE INDICATION.
11. 5MF CONTACTS NOT USED WITH EC FAN OPTION FOR MAIN FAN OVERLOAD. USE KL2 CONTACT
E3 24
WITHIN EC FAN. OL1,2,3 USED WITH FC OPTION, MF1、MF2 & MF3 ARE CONTACTORS DRIVEN
DIRECTLY FROM OL1,2,3.
10
E4 12. ON UNITS WITH NO INTELLISLOT, CONNECT PLUGS 65-1 AND 65-2 TO ALTERNATE CONNECTIONS
AT SCREW TERMINALS 77 AND 78.
13. REMOTE CONDENSER POWER CONTACTOR OPTIONAL FOR AIR COOLED SYSTEMS
14. "WARNING" LEVEL ALARM CONNECTION.
15. CONTROL BOARD DIP SWITCH(SW2), ENSURE THAT 1、3、5 & 7 ARE IN "ON" POSITION AND
SWITCHES; 2, 4, 6, 8, 9 & 10 ARE IN THE "OFF"
U21 16. EC FAN CONNECTION, TO PLUG P51 ON DX/DUAL COOL/FREE COOL UNIT,
TO P53 ON CHILLED WATER UNIT.
19
U22
42,45
15
NOMENCLATURE
STANDARD DEVICES LINE OPTIONAL DEVICES
38 LLSV1 - LIQUID LINE SOLENOID 1
AS - AIR SAFETY SWITCH
C1 - COMPRESSOR CONTACTOR 1 60 LLSV2 - LIQUID LINE SOLENOID 2
C2 - COMPRESSOR CONTACTOR 2 52 LPT1 - LOW PRESSURE TRANSDUCER 1
CCH1 - CRANKCASE HEATER NO.1 29 LPT2 - LOW PRESSURE TRANSDUCER 2
CCH2 - CRANKCASE HEATER NO.2 30 LQR - LIQUITECT SHUTDOWN RELAY
MFAS - MAIN FAN AUXILIARY SIDE SWITCH
15,61,62,63 FC - FILTER CLOG SWITCH 14
R3 - EXTRA COMMON ALARM 24V, 3.0A MAX
58
HP1 - HIGH PRESSURE SWITCH NO.1
CONTACT LOAD
20 HP2 - HIGH PRESSURE SWITCH NO.2 50
15,19,
36-8 2 RAD1 - 4 REMOTE ALARM DEVICE
HU - HUMIDITY SENSOR
61,62,63
(75VA MIN. RATING)
7
K3 - COMMON ALARM RELAY 24V, 1.0A
MAX CONTACT LOAD RSD - REMOTE SHUTDOWN DEVICE BY
15,20,61,62,63
OTHERS (75VA MIN RATING)
LP1 - LOW PRESSURE SWITCH NO. 1 58
LP2 - LOW PRESSURE SWITCH NO. 2 50 SD - SMOKE DETECTOR
SDC - SMOKE DETECTOR CONTROL
39
G5 Q1 - REHEAT STAGE 1 TRIAC
SDT - SMOKE DETECTOR TROUBLE RELAY
40
Q2 - REHEAT STAGE 2 TRIAC
OR Q3 - DE HUMIDIFICATION VALVE 41
15,18,20 12,23
INFRARED HUMIDIFIER
42
Q4 - HUMIDIFICATION TRIAC
H - HUMIDIFIER CONTACTOR
25 14
Q5 - MAIN FAN TRIAC
HMV - HUMIDIFIER MAKE-UP VALVE
13
Q6 - HUMIDIFIER MAKE-UP TRIAC
HS1 - AUTO RESET TEMPERATURE
P 40-8 19,23 Q8 - LIQUID LINE SOLENOID NO.2 TRIAC 47
SAFETY SWITCH
Q9 - HOT GAS BYPASS 2 TRIAC 48
HS3 - MANUAL RESET HUMIDIFIER SAFETY
52
Q10 - COMPRESSOR NO.2 TRIAC
(UNDER PAN)
Q12 - LIQUID LINE SOLENOID NO.1TRIAC 55
HWA - HIGH WATER ALARM
Q13 - HOT GAS BYPASS 1 TRIAC 56
12
38-2 Q14 - COMPRESSOR NO.1 TRIAC 60
ELECTRIC REHEAT 1
Q15 - NOT USED 46
BR - BACKUP REHEAT RELAY
Q17 - NOT USED 28
SEE
RH1 - REHEAT STAGE 1 CONTACTOR
30
Q18 - NOT USED 27
NOTES
RS1,2,3 - REHEAT 1 SAFETY STATS
TH - TEMPERATURE SENSOR 2
1 & 7
ELECTRIC REHEAT 2
T1 - UNIT CONTROL TRANSFORMER 3
T6 - ISOLATION TRANSFORMER 9 RH2 - REHEAT STAGE 2 CONTACTOR
U1-U30 - OPTO ISOLATORS RS4,5,6 - REHEAT 2 SAFETY STATS
WUF - WATER UNDER FLOOR 25
DITITAL SCROLL
53-4
EC FAN
DSV1 - DIGITAL SCROLL SOLENOID VALVE 1
ECF - EC FAN 43
54-4 DSV2 - DIGITAL SCROLL SOLENOID VALVE 2
KL2 - EC FAN ALARM TERMINALS 16
35 KL3 - EC FAN TERMINALS 43
CHILLED WATER
OPTIONAL DEVICES LINE ACT1CWCV - ACTUATOR 1 CHILLED
WATER CONTROL VALVE
CP - CONDENSATE PUMP 5
ACT2CWCV - ACTUATOR 2 CHILLED
CPAR - CONDENSATE PUMP ALARM RELAY 26
WATER CONTROL VALVE
CPSS - CONDENSATE PUMP SAFETY SWITCH
20
R 34-2
GLYCOL/WATER COOLED
CT - CURRENT TRANSFORMER 48
ACT1PHECV - ACTUATOR 1 PLATE HEAT
(GROUND CURRENT DETECTOR)
24,39,40,41
EXCHANGER CONTROL VALVE
41
DHV - DEHUM VALVE ACT2PHECV - ACTUATOR 2 PLATE HEAT
40 DLT1 - DISCHARGE LINE THERMOSTAT 1 49
EXCHANGER CONTROL VALVE
DLT2 - DISCHARGE LINE THERMOSTAT 2 52
34-10 52,53,54
EM1 - EMERGENCY POWER LOCKOUT
14 DUAL COOL/FREE COOL
55,57,58
RELAY (DEFAULT RAD1)
ACT1ECOCV - ACTUATOR 1 ECOIL
GCD - GROUND CURRENT DETECTOR 34
WATER CONTROL VALVE
35-5
HGBP1 - HOT GAS BYPASS 56
FTS - FLUID TEMPERATURE SENSOR
(SINGLE COMP. MODEL ONLY)
G4 34,35,36
HPT1 - HIGH PRESSURE TRANSDUCER 1 65
HPT2 - HIGH PRESSURE TRANSDUCER 2
65
HTS - HIGH TEMPERATURE STAT 13
45
51-4
WIRING LEGEND
36-10 FACTORY SUPPLIED LINE VOLTAGE WIRING
FIELD SUPPLIED LINE VOLTAGE WIRING
FACTORY SUPPLIED 24 VOLT WIRING
33-3
FIELD SUPPLIED 24 VOLT WIRING
33-5 CONTROL BOARD INTERNAL WIRING - 24 VOLT MAX
WIRING AND DEVICES INCLUDED IN OPTIONS
Q
ELECTRONIC SWITCH (TRIAC) Q1-Q18
50
INLINE QUICK DISCONNECT
G3 OPEN CONTROL BOARD CONNECTION
PLUG CONNECTION ON CONTROL BOARD
PLUG CONNECTION ON FUSE BOARD
TERMINAL BLOCK CONNECTION ON CONTROL BOARD
10,33,36,46,
32-13
R TERMINAL STRIP CONNECTION FOR FIELD WIRING
47,49,54
CIRCUIT CONNECTION TO ELECTRONICS
G2
TRIAC GATE CONNECTION
GROUND CURRENT DETECTOR CIRCUIT
32-2 55
WIRE COLOR CODE
33-2 OR - ORANGE Y - YELLOW 1050 DEARBORN DRIVE
P.O. BOX 29186
R - RED BL - BLUE
COLUMBUS, OHIO 43229
BR - BROWN BK - BLACK
CAGE CODE
P - PURPLE W - WHITE 55455
GN - GREEN
TITLE
INSULATION COLOR
WIRING DIAGRAM
GN / Y
8,38,39,40,
60 TRACER COLOR
32-11
41,42,62
ATTENTION
INFRARED HUMIDIFIER
WIRING COLOUR CODES ARE
FOR GUIDANCE ONLY
WIRE ID MARKINGS TAKE PRECEDENCE
WIRING COLOUR ARE FOR REFERENCE ONLY
THE OBJECT IS THE STANDARD
THIS DOCUMENT CONTAINS CONFIDENTIAL AND
PROPRIETARY INFORMATION OF LIEBERT
65
CORPORATION AND NEITHER IT NOR THE
INFORMATION CONTAINED THEREIN SHALL BE DRAWING NO
DISCLOSED TO OTHERS OR DUPLICATED OR
F2900501
USED WITHOUT THE EXPRESS WRITTEN
CONSENT OF LIEBERT CORPORATION
2 1
75
D
LINE
55
47
50
58
23
17
24
18
13
28
28
27
42
C
13
41
45
14
39
40
34
41
37
49
56
32
37
34
38
30
B
9
A
REV
B
A03