Example 13 — Maintenan ce (Maint04) Display S cr een
To access this display f ro m the LID default screen:
1. Press MENU.
2. Press SERVICE.
3. Scroll down to highlight CONTROL ALGORITHM STATUS.
4. Press SELECT.
5. Scroll down to highlight MAINT04.
6. Press SELECT.
Notes:
1. Only values with cap ital letter referenc e point names are var iables available f or read operation. Forcing is
not supported o n this mainte nance screen.
2. The MAINT04 screen is available on PSIO Software Version 09 and higher.
3. = delta degrees.
Table 2, Example 13 — Maintenance (Maint04) Display Screen
Description Range/Status Units Reference
Point Name
LEAD/LAG: Configuration
Current Mode
Load Balance Option
LAG Start Time
LAG Stop Time
Prestart Fault Time
Pulldown: Delta T/Min
Satisfied?
LEAD CHILLER in Control
LAG CHILLER: Mode
Run Status
Start/Stop
Recovery Start Reques t
STANDBY CHILLER: Mode
Run Status
Start/Stop
Recovery Start Reques t
DISABLE,LEAD,LAG,STANDBY, INVALID
DISABLE,LEAD,LAG,STANDBY, CONFIG
DISABLE/ENABLE
0-60
0-60
0-30
x.xx
No/Yes
No/Yes
Reset,Off,Local,CCN
Timeout,Recycle,Startup,Ramping,Running
Demand,Override,Shutd own,Abnor-
mal,Pumpdown
Stop,Start,Retain
No/Yes
Reset,Off,Local,CCN
Timeout,Recycle,Startup,Ramping,Running
Demand,Override,Shutd own,Abnor-
mal,Pumpdown
Stop,Start,Retain
No/Yes
MIN
MIN
MIN
DEG F (DEG C)
leadlag
llmode
loadbal
lagstart
lagstop
preflt
pull dt
pull sat
leadctrl
lagmode
lagstat
lag s s
lag rec
stdmode
stdstat
std s s
std rec