Carrier AQUAFORCE 30XW150-400 User Manual

Page 32

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32

Table 25 — Dual Master Chiller Control Parameters for Parallel Applications with Navigator™ Display

Table 26 — Dual Slave Chiller Control Parameters for Parallel Applications with Touch Pilot™ Display

ITEM

ITEM EXPANSION

PATH

VALUE

MSSL

Master/Slave Select

Configuration

RSET

Master
Default: Disable

SLVA

Slave Address

Configuration

RSET

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

LLBL

Master Lead Lag Select

Configuration

RSET

Range: Always Lead, Lag if Fail, Runtime Sel
Default: Always Lead

LLBD

Lead/Lag Balance Delta

Configuration

RSET

Range: 40 to 400 hours
Default: 168 hours

LLDY

Lag Start Delay

Configuration

RSET

Range: 2 to 30 minutes
Default: 10 minutes

LL.ER

Start If Error Higher

Configuration

RSET

Range: 3.0 to 18

F (1.7 to 10.0 C)

Default: 4.0

F (2.2 C)

LAG.M

Lag Unit Pump Select

Configuration

RSET

Range: Off If U Stp, On If U Stop
Default: Off If U Stp

LPUL

Lead Pulldown Time

Configuration

RSET

Range: 0 to 60 minutes
Default: 0 minutes

SERI

Chillers in Series

Configuration

RSET

No
Default: No

OPER

Operating Control Type

Operating Modes

SLCT

Set to desired control

DISPLAY NAME

PATH

LINE NO.

VALUE

Master/Slave Select

Main Menu

Config

MST_SLV

3

2 (Slave)
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

No
Default: No

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