Example 10 — Maintenan ce (Maint01) 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 ALGORITHM STATUS.

4. Press SELECT.

5. Scroll down to highlight MAINT01.

Note: Overriding is not supported on this maintenance scr een. Active overr ides show the assoc iated point in

alert (*). Only values wit h capital letter refer e nce point names are var ia bles available for re ad op era-

tion.

Table 2, Exa mple 10 — Main tenance (M aint01) Dis play Scree n

Description Range/Status Units Reference

Point Name

CAPACITY CONTROL
Control Point
Leaving Chilled Water
Entering Chilled Water
Control Point Error
ECW Delta T
ECW Reset
LCW Reset
Total Error + Resets
Guide Vane Delta
Target Guide Vane Pos
Actual Guide Vane Pos
Proportional Inc Band
Proportional Dec Band
Proportional ECW Gain
Water/Brine Deadband
10-120 (–12.2-48.9)
–40-245 (–40-118)
–40-245 (–40-118)
–99-99 (–55-55)
–99-99 (–55-55)
–99-99 (–55-55)
–99-99 (–55-55)
–99-99 (–55-55)
–2-2
0-100
0-100
2-10
2-10
1-3
0.5-2 (0.3-1.1)
DEG F (DEG C)
DEG F (DEG C)
DEG F (DEG C)
DEG F (DEG C)
DEG F (DEG C)
DEG F (DEG C)
DEG F (DEG C)
DEG F (DEG C)
%
%
%
DEG F (DEG C)
ctrlpt
LCW
ECW
cperr
ecwdt
ecwres
lcwres
error
gvd
GV TRG
GV ACT
gv inc
gv dec
gv ecw
cwdb