York YCAL0043E Series User Manual

YORK INTERNATIONAL
101
FORM 150.62-NM7 (103)
Fan #1
Fan #2
Fan #3
Fan #4
2
FIG. 9 – YCAL0014 – YCAL0253 FAN LOCATION (TYP I CAL)
LD07403
CONDENSER FAN CONTROL - YCAL0043 – YCAL0253
TABLE 26 – YCAL0043 – YCAL0253 CONDENSER FAN CONTROL USING OUTDOOR AMBIENT TEM PER A-
TURE AND DISCHARGE PRESSURE (DISCHARGE PRESSURE CONTROLS WILL NOT FUNC-
TION UNLESS THE OPTIONAL DISCHARGE PRESSURE TRANSDUCER IS INSTALLED)
CONTACTOR
MICRO BOARD
FAN #
FAN STAGE ON OFF OUTPUT TB-4
SYS 1 SYS 2 SYS 1 SYS 2 SYS 1 SYS 2
1
OAT >25°F (-3.9°C) OAT < 20°F (-6.7°C)
1 FAN FWD
OR AND 8M 11M 4 8 3 4
DP > Fan Ctrl On Press DP < Fan Ctrl On Press – (Diff. Press.)
*3
OAT >65°F (18.3°C) OAT < 60°F (15.6°C)
2 FAN FWD
OR AND
7M & 10M & 2 &
4
6 & 8 1 & 3 2 & 4
DP > Fan Ctrl On Press DP < Fan Ctrl On Press – 8M 11M
+ 40 PSIG (2.76 Bars) [Diff. Press + 40 PSIG (2.76 Bars)]
TABLE 27 – YCAL0043 – YCAL0253 CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY
CONTACTOR
MICRO BOARD
FAN #
FAN STAGE ON OFF OUTPUT TB-4
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.)
8M 11M 4 8 3 4
1 FAN FWD
*3 DP > Fan Ctrl On Press + DP < Fan Ctrl On Press – 7M & 10M & 2 & 4 6 & 8 1 & 3 2 & 4
2 FANS FWD 40 PSIG (2.76 Bars) [(Diff. Press.) + 40 PSIG (2.76 Bars)] 8M 11M
* NOTE: STEP 2 is not active in the “Standard Ambient” mode. When changing to “Low Ambient” control, fan power wiring also changes.

York YCAL0043E Series Specifications

General

Brand	York
Model	YCAL0043E Series
Category	Chiller
Language	English