Filter
Top Products
63
ICE DONE
DEMAND LIMIT STEP 2
OCCUPANCY OVERRIDE
DUAL SETPOINT
12
3
456
7
8
9
10
11
12
13
14
15
TB5
TB6
12
3
456
7
8
9
10
11
12
13
14
15
EMM
FIOP/
ACCESSORY
REMOTE
ON/OFF
SEE
NOTE 3
A
+
COM
-
SHLD
DATA COM PORT
TERMINAL BLOCK
FIELD POWER SUPPLY
GROUND
(SEE NOTE #2)
21
11
DISCONNECT/BRANCH CIRCUIT
PROTECTION PER NEC
22
12
23
13
EQUIP
GND
TB1A OR TBIB
LEGEND:
A - ALARM
PMPI - CHILLED WATER PUMP INTERLOCK
PMP - CHILLED WATER PUMP
EMM - ENERGY MANAGEMENT
TB - TERMINAL BLOCK
MLV - MINIMUM LOAD VALVE
NEC - NATIONAL ELECTRIC CODE
FIELD POWER WIRING
FIELD CONTROL WIRING
FACTORY INSTALLED WIRING
NOTES:
1. FACTORY WIRING IS IN ACCORDANCE WITH UL 1995 STANDARDS. FIELD MODIFICATIONS
OR ADDITIONS MUST BE IN COMPLIANCE WITH ALL APPLICABLE CODES.
2. WIRING FOR MAIN FIELD SUPPLY MUST BE RATED 75C MINIMUM. USE COPPER FOR ALL UNITS.
INCOMING WIRE SIZE RANGE FOR THE TERMINAL BLOCK IS #4 AWG TO 500 KCMIL.
INCOMING WIRE SIZE RANGE OF NON-FUSED DISCONNECT WITH MCA UP TO 599.9 AMPS IS 3/0 TO 500 KCMIL.
INCOMING WIRE SIZE RANGE OF NON-FUSED DISCONNECT WITH MCA FROM 600 TO 799.9 AMPS IS 1/0 TO 500 KCMIL.
INCOMING WIRE SIZE RANGE OF NON-FUSED DISCONNECT WITH MCA FROM 800 TO 1199.9 AMPS IS 250 KCMIL TO 500 KCMIL.
3. TERMINALS 9 AND 10 OF TB5 ARE FOR FIELD EXTERNAL CONNECTIONS FOR REMOTE ON-OFF.
THE CONTACTS MUST BE RATED FOR DRY CIRCUIT APPLICATION CAPABLE OF HANDLING A
24VAC LOAD UP TO 50 MA.
4. TERMINALS 1 AND 2 OF TB5 ARE FOR EXTERNAL CONNECTIONS OF CHILLED WATER PUMP INTERLOCK.
THE CONTACTS MUST BE RATED FOR DRY CIRCUIT APPLICATION CAPABLE OF HANDLING A
24VAC LOAD UP TO 50 MA.
5. TERMINALS 11 AND 13 OF TB5 ARE FOR CONTROL OF CHILLED WATER PUMP 1 (PMP 1) STARTER. TERMINALS 13 AND 15
OF TB5 ARE FOR CONTROL OF CHILLED WATER PUMP 2 (PMP 2) STARTER. THE MAXIMUM LOAD ALLOWED FOR THE CHILLED
WATER PUMP RELAY IS 5 VA SEALED, 10 VA INRUSH AT 24 V. FIELD POWER SUPPLY IS NOT REQUIRED.
6. FOR CONTROL OF CHILLED WATER PUMPS, A SET OF NORMALLY OPEN CONTACTS RATED FOR DRY CIRCUIT APPLICATION MUST
BE SUPPLIED FROM FIELD-SUPPLIED PUMP STARTER RELAY. CONNECT CONTACTS TO VIOLET AND PINK WIRES IN HARNESS
FROM MAIN BASE BOARD CHANNEL 18. WIRES IN HARNESS ARE MARKED PMP1-13 AND PMP1-14.
7. TERMINALS 12 AND 13 OF TB5 ARE FOR A ALARM RELAY. THE MAXIMUM LOAD ALLOWED FOR THE
ALARM RELAY IS 10 VA SEALED, 25 VA INRUSH AT 24V. FIELD POWER SUPPLY IS NOT REQUIRED.
8. MAKE APPROPRIATE CONNECTIONS TO TB6 AS SHOWN FOR ENERGY MANAGEMENT BOARD OPTIONS. THE
CONTACTS FOR OCCUPANCY OVERRIDE, DEMAND LIMIT AND ICE DONE OPTIONS MUST BE RATED FOR
DRY CIRCUIT APPLICATION CAPABLE OF HANDLING A 24VAC LOAD UP TO 50 MA.
9. TERMINAL BLOCKS, TB5 & TB6 ARE LOCATED IN THE DISPLAY PANEL BOX FOR ALL UNITS. REFER TO
CERTIFIED DIMENSIONAL DRAWING FOR EACH UNIT TO GET THE EXACT LOCATIONS.
10.REFER TO CERTIFIED DIMENSIONAL DRAWINGS FOR EXACT LOCATIONS OF THE MAIN POWER AND
CONTROL POWER ENTRANCE LOCATIONS.
11.J3 - 24 AND 25 OF EMM BOARD ARE FOR RUN RELAY AND SHUTDOWN RELAY. THE MAXIMUM
LOAD ALLOWED FOR THE RUN AND SHUTDOWN RELAY IS 10 VA SEALED, 25 VA INRUSH AT 24V.
FIELD POWER SUPPLY IS NOT REQUIRED.
NON-FUSED DISCONNECT
FIELD POWER SUPPLY
GROUND
(SEE NOTE #2)
DISCONNECT/BRANCH CIRCUIT
PROTECTION PER NEC
EQUIP
GND
CB-A OR CB-B
1
2
3
PMPI
CAPACITY
LIMIT
SETPOINT
RESET
8
T8
SPACE
TEMP
(10K)
J6
R
4
3
CH
2
J4
+
2
1
CH
11A
J4
+
6
5
CH
8
J4
+
6
5
CH
9
EMM BOARD
DEMAND LIMIT STEP 1
4-20 MA
SIGNAL
GENERATOR
4-20 MA
SIGNAL
GENERATOR
+
-
GRN
BLK
REMOTE LOCKOUT SWITCH
J4
+
4
3
CH
10
1/2 WATT 250
TYPICAL CONTROL BOX LOCATIONS
AND MAIN POWER ENTRY
BLK
GRN
VIO
VIO
ORN
ORN
GRA
GRA
BLU
BLU
RED
RED
J7B
CH
6
J7A
CH
5
R
S
5V
R
S
5V
DISPLAY PANEL
080-120, 200V, 230V, 380V ONLY
DISPLAY PANEL
080-120, 460V, 575V ONLY
DISPLAY PANEL
140-500 ALL VOLTAGES
INCOMING POWER
140-350 ALL VOLTAGES
EXCEPT 200,230V ONLY
INCOMING POWER CIRCUIT 1
400-500 DUAL POINT POWER
INCOMING POWER CIRCUIT 2
400-500
INCOMING POWER 200,230V
220-240
CONTROL POWER ENTRANCE
400-500
INCOMING POWER CIRCUIT 1
400-500 SINGLE POINT POWER OPTION
MAIN POWER ENTRANCE
080-120 ALL VOLTAGES
AND 140-200, 200V, 230V ONLY
CONTROL POWER ENTRANCE
080-120
CONTROL POWER ENTRANCE
140-350
PUMP POWER BOX
90-160
PMP1
PMP2
MLV-C
MLV-A
MLV-B
21
11
22
12
23
13
S
J7B
J7A
GRA
GRA
BLU
BLU
ORN
ORN
VIO
GRN
VIO
BLK
+
-
1/2 WATT 250
GRA
GRA
BLU
BLU
ORN
ORN
VIO
GRN
VIO
BLK
DISPLAY PANEL
080-120 208/230V ONLY
J3
+
4
3
CH
24
+
2
1
CH
25
R
SHD
R
SHD
13
TB5
3.2 AMPS
CB8
Fig. 37 — Control and Power Wiring Schematic