Carrier ComfortLink HXC076, Controls, Start-Up, Operation, Service, And Troubleshooting

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Table 24A — Example of Configuring Dual Chiller Control (Master Chiller)
NOTES:
1. The desired control method should be configured for the Master only. The slave is always configured for switch control.
2. Yes = Parallel piping configuration. No = Series piping configuration. Master and Slave chillers must both be configured for the same piping configuration.
SUB-MODE ITEM KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENT
OPT2 OPT2
CTRL SWITCH VALUE FLASHES
CTRL SWITCH CONTROL METHOD SEE NOTE 1
CCNA 1 DEFAULT 1
CCNA 1 CCN ADDRESS CHANGE IF REQUIRED
CCNB 0 DEFAULT 0
CCNB 0 CCN BUS NUMBER CHANGE IF REQUIRED
CCNB OPT2
RESET PROCEDE TO SUBMODE RSET
RSET RSET
CRST NO RESET COOLING RESET TYPE
15 ITEMS
LLEN DSBL LEAD/LAG CHILLER ENABLE SCROLLING STOPS
DSBL VALUE FLASHES
ENBL SELECT ENBL
LLEN ENBL LEAD/LAG CHILLER ENABLE CHANGE ACCEPTED
MSSL
MSSL MAST MASTER/SLAVE SELECT DEFAULT MAST
SLVA SLAVE ADDRESS
SLVA 0 VALUE FLASHES
2 SELECT 2
SLVA 2 SLAVE ADDRESS CHANGE ACCEPTED
LLBL
MASTER LEADS
LEAD/LAG BALANCE SELECT VALUE FLASHES
AUTOMATIC SELECT AUTOMATIC
LLBL AUTOMATIC LEAD/LAG BALANCE SELECT CHANGE ACCEPTED
LLBD 168 LEAD/LAG BALANCE DELTA
DEFAULT 168
LLDY 5 LAG START DELAY
5 VALUE FLASHES
10 SELECT 10
LLDY 10 LAG START DELAY CHANGE ACCEPTED
PARA NO PARALLEL CONFIGURATION DEFAULT NO
YES SELECT YES
PARA YES PARALLEL CONFIGURATION SEE NOTE 2
RSET MASTER COMPLETE
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ESCAPE
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ENTER
ESCAPE