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JOHNSON CONTROLS
164
FORM 150.67-NM2 (209)
Unit Operation
TABLE 22 –
YCAL0043 – YCAL0066 CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY
TABLE 21 –
YCAL0043 – YCAL0066 CONDENSER FAN CONTROL USING DISCHARGE PRESSURE.
STANDARD CONDENSER FAN CONTROL – YCAL0043 – YCAL0066
FAN
STAGE
ON*
OFF*
CONTACTOR
MICRO BOARD
OUTPUT
FAN #
SYS 1
SYS 2
SYS 1
SYS 2
SYS 1
SYS 2
1
DP> Fan Crtl On
Press
DP < Fan Ctrl On
Press – Diff.Press
7M
10M
TB7-9
TB10-9
1
2
2
DP > Fan Ctrl On
Press and Fan Stage
1 is energized
DP < Fan Ctrl On
Press – Diff. Press
7M
&
8M
10M
&
11M
TB7-9
&
TB7-10
TB10-9
&
TB10-10
1
&
3
2
&
4
FAN
STAGE
ON
OFF
CONTACTOR
MICRO BOARD
OUTPUT
FAN #
SYS 1
SYS 2
SYS 1
SYS 2
SYS 1
SYS 2
1
DP > Fan Ctrl
On Press
DP < Fan Ctrl On
Press – Diff. Press.
7M
10M
TB7-9
TB10-9
1
2
2
DP > Fan Ctrl On
Press and Fan Stage
1 is energized
DP < Fan Ctrl On
Press – Diff. Press.
7M
&
8M
10M
&
11M
TB7-9
&
TB7-10
TB10-9
&
TB10-10
1
&
3
2
&
4
FIG. 21 –
YCAL0043 – YCAL0066 FAN LOCATION (TYPICAL)
LD11419
FAN #1
FAN #2
FAN #3
FAN #4
* When a fan stage is turned on, the on pressure for the next stage is increased
20 PSIG and ramped back to the programmed on pressure over the next 20
seconds.
** When a fan stage is turned off (programmed on pressure minus
differential), the off pressure for the next stage is decreased 20
PSIG and ramped back to the programmed off pressure minus the
differential.
Содержание YCAL0019
Страница 55: ...FORM 150 67 NM2 209 55 JOHNSON CONTROLS 5 5 ELEMENTARY WIRING DIAGRAM CON T LD12699D...
Страница 57: ...FORM 150 67 NM2 209 57 JOHNSON CONTROLS 5 5 ELEMENTARY WIRING DIAGRAM CON T LD12693C...
Страница 59: ...FORM 150 67 NM2 209 59 JOHNSON CONTROLS 5 5 ELEMENTARY WIRING DIAGRAM CON T LD 12198...
Страница 61: ...FORM 150 67 NM2 209 61 JOHNSON CONTROLS 5 5 LD12702 ELEMENTARY WIRING DIAGRAM CON T...
Страница 63: ...FORM 150 67 NM2 209 63 JOHNSON CONTROLS 5 5 LD12696 ELEMENTARY WIRING DIAGRAM CON T...
Страница 65: ...FORM 150 67 NM2 209 65 JOHNSON CONTROLS 5 5 CONNECTION WIRING DIAGRAM CON T LD12703B...
Страница 67: ...FORM 150 67 NM2 209 67 JOHNSON CONTROLS 5 5 CONNECTION WIRING DIAGRAM CON T LD12697B...