Carrier AQUASNAP 30RA010-055 Product Data page 36

Typical control wiring schematic (30RA035-055)
NOTES:
1. FACTORY WIRING IS IN ACCORDANCE WITH NATIONAL ELECTRICAL CODE (NEC). FIELD MODIFICA-
TIONS 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. MAXI-
MUM INCOMING WIRE SIZE FOR THE TERMINAL BLOCK IS 350 KCMIL. MAXIMUM INCOMING WIRE SIZE
FOR 100 AMP NON-FUSED DISCONNECT IS #1 AWG. MAXIMUM INCOMING WIRE SIZE FOR 250 AMP
NON-FUSED DISCONNECT IS 350 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 24 VAC LOAD
UP TO 50 MA.
4. TERMINALS 1 AND 2 OF TB5 ARE CONNECTED TO THE FACTORY INSTALLED CHILLED WATER FLOW
SWITCH (CWFS). TO ADD CHILLED WATER PUMP INTERLOCK CONTACTS, REMOVE THE ORANGE HAR-
NESS WIRE FROM TB5-1 AND WIRE CONTACTS IN SERIES AS SHOWN. 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 (CWP1) STARTER. TER-
MINALS 13 AND 15 OF TB5 ARE FOR CONTROL OF CHILLED WATER PUMP 2 (CWP2) STARTER. THE MAX-
IMUM 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. TERMINALS 12 AND 13 OF TB5 ARE FOR AN ALARM RELAY. THE MAXIMUM LOAD ALLOWED FOR THE
ALARM RELAY IS 5 VA SEALED, 10 VA INRUSH AT 24 V. FIELD POWER SUPPLY IS NOT REQUIRED.
7. MAKE APPROPPRIATE CONNECTIONS TO TB6 AS SHOWN FOR ENERGY MANAGEMENT BOARD
OPTIONS. THE CONTACTS FOR DEMAND LIMIT AND ICE DONE OPTIONS MUST BE RATED FOR DRY CIR-
CUIT APPLICATION CAPABLE OF HANDLING A 24VAC LOAD UP TO 50MA.
LEGEND
A — Alarm
AWG — American Wire Gage
CWP — Chilled Water Pump
CWPI — Chilled Water Pump Interlock
EMM — Energy Management Module
GFI-CO — Ground Fault Interrupt Convenience Outlet
FIOP — Factory-Installed Option
NEC — National Electric Code
SPT — Space Temperature
TB — Terminal Block
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