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Table 24 — Dual Master Chiller Control Parameters for Parallel Applications with Touch Pilot™ Display
DISPLAY NAME
PATH
LINE NO.
VALUE
Master/Slave Select
Main Menu
Config
MST_SLV
3
1 (Master)
Default: 0 (Disable)
Master Control Type
Main Menu
Config
MST_SLV
7
1=Local Control
2=Remote Control
3=CCN Control
Default: 1
Configure for proper control type.
Slave Address
Main Menu
Config
MST_SLV
11
Must be set to the Slave Chiller’s address.
The master and slave chiller must have
different addresses and be on the same
Bus Number
Default: 2
Lead Lag Select
Main Menu
Config
MST_SLV
12
0 (Master Always Leads)
1 (Lag Once Failed Only)
2 (Lead/Lag Runtime Select)
Default: 0 (Master Always Leads)
Lead/Lag Balance Delta
Main Menu
Config
MST_SLV
16
Range: 40 to 400 hours
Default: 168 hours
Lag Start Timer
Main Menu
Config
MST_SLV
17
Range: 2 to 30 minutes
Default: 10 minutes
Lead Pulldown Time
Main Menu
Config
MST_SLV
18
Range: 0 to 60 minutes
Default: 0 minutes
Start If Error Higher
Main Menu
Config
MST_SLV
19
Range: 3.0 to 18
F (1.7 to 10.0
C)
Default: 4.0
F (2.2
C)
Lag Minimum Running Time
Main Menu
Config
MST_SLV
20
Range: 0 to 150 minutes
Default: 0 minutes
Lag Unit Pump Control
Main Menu
Config
MST_SLV
21
0 (Stop If Unit Stops)
1 (Run If Unit Stops)
Default: 0 (Stop If Unit Stops)
Chiller In Series
Main Menu
Config
MST_SLV
22
Default: No
Value: No