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34
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