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60
TERMINAL BLOCK
FIELD POWER SUPPLY
GROUND
(SEE NOTE #2)
21
11
DISCONNECT/BRANCH CIRCUIT
PROTECTION PER NEC
22
12
23
13
EQUIP GND
TB1A (STANDARD POWER ENTRY)
TB1B/TB1C OPTIONAL DUAL POINT POWER ENTRY
NON-FUSED DISCONNECT
FIELD POWER SUPPLY
GROUND
(SEE NOTE #2)
DISCONNECT/BRANCH CIRCUIT
PROTECTION PER NEC
EQUIP GND
CB1A ((STANDARD DISCONNECT POWER ENTRY)
CB1B (OPTIONAL DUAL POWER ENTRY POINT FOR DISCONNECT)
1
2
3
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 PUMP1 (PMP1)
STARTER.
TERMINALS 13 AND 15 OF TB5 ARE FOR CONTROL OF CHILLED WATER PUMP2 (PMP2)
STARTER.
THE MAXIMUM LOAD ALLOWED FOR THE CHILLED WATER PUMP RELAY IS 5 VA SEALED, 10
VA
INRUSH AT 24V. 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. 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.
10. 250-OHM ½-W
ATT RESIST
OR IS FIELD-SUPPLIED.
DUPLEX UNITS
SIZE
STD UNIT
315A,B 330B
160
330A 345A,B 360B
170
360A 390A,B
190
LEGEND:
A - ALARM PMPI- CHILLED WATER PUMP INTERLOCK CWP - CHILLED WATER PUMP EMM - ENERGY MANAGEMENT SHD R- SHUTDOWN RELAY RUN R- RUN RELAY MLV - MINIMUM LOAD VALVE TB - TERMINAL BLOCK FIELD POWER WIRING FIELD CONTROL WIRING FACTORY INSTALLED WIRING
a30-5709
Fig. 5
8
— Co
ntr
ol a
nd Powe
r
Wiring Sche
mat
ic
, 30
RB0
60-
39
0 (c
ont
)
Summary of Contents for MINIMUM LOAD CONTROL ACCESSORY 30RB060-390
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