Carrier PC211 specifications Example 10 Maintenance Maint01 Display Screen

Example 10 — Maintenance (Maint01) Display Screen

To access this display from 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.

Table 2, Example 10 — Maintenance (Maint01) Display Screen

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

Note: Overriding is not supported on this maintenance screen. Active overrides show the associated point in alert (*). Only values with capital letter reference point names are variables available for read opera- tion.