York YCAQ10, Manual

Page: 58 / 99

YORK INTERNATIONAL
58
(YCHA120, 150, 175 & 200)
* If optional 6 stage loading/unloading is included, Stage 4 loading and unloading is not included on either compressor. Therefore, in the
examples above, no system response will take place at the temperatures where Stage 4 is to be activated or deactivated.
STAGE ON OFF
Lag Compr. Loader Stage 4* Setpoint plus 1.4°F Setpoint plus 1.1°F
Lag Compr. Loader Stage 3 Setpoint plus 1.1°F Setpoint plus 0.8°F
COOLING RANGE Lag Compr. Loader Stage 2 Setpoint plus 0.9°F Setpoint plus 0.5°F
SWITCH = 2 Lag Compressor Stage 1 Setpoint plus 0.6°F Setpoint plus 0.2°F
Lead Compr. Loader Stage 4* Setpoint plus 0.2 F Setpoint minus 0.2°F
COOLING RANGE Lead Compr. Loader Stage 3 Setpoint minus 0.1°F Setpoint minus 0.4°F
OF + 1.4°F Lead Compr. Loader Stage 2 Setpoint minus 0.4°F Setpoint minus 1.0°F
Lead Compressor Stage 1 Setpoint minus 0.7°F Setpoint minus 1.4°F
STAGE ON OFF
Lag Compr. Loader Stage 4* Setpoint plus 1.5°F Setpoint plus 1.2°F
Lag Compr. Loader Stage 3 Setpoint plus 1.2°F Setpoint plus 0.9°F
COOLING RANGE Lag Compr. Loader Stage 2 Setpoint plus 0.9°F Setpoint plus 0.5°F
SWITCH = 3 Lag Compressor Stage 1 Setpoint plus 0.6°F Setpoint plus 0.1°F
Lead Compr. Loader Stage 4* Setpoint plus 0.2°F Setpoint minus 0.3°F
COOLING RANGE Lead Compr. Loader Stage 3 Setpoint minus 0.2°F Setpoint minus 0.7°F
OF + 1.5°F Lead Compr. Loader Stage 2 Setpoint minus 0.5°F Setpoint minus 1.1°F
Lead Compressor Stage 1 Setpoint minus 1.0°F Setpoint minus 1.5°F
STAGE ON OFF
Lag Compr. Loader Stage 4* Setpoint plus 1.6°F Setpoint plus 1.2°F
Lag Compr. Loader Stage 3 Setpoint plus 1.3°F Setpoint plus 0.9°F
COOLING RANGE Lag Compr. Loader Stage 2 Setpoint plus 1.0°F Setpoint plus 0.5°F
SWITCH = 4 Lag Compressor Stage 1 Setpoint plus 0.7°F Setpoint plus 0.1°F
Lead Compr. Loader Stage 4* Setpoint plus 0.2°F Setpoint minus 0.3°F
COOLING RANGE Lead Compr. Loader Stage 3 Setpoint minus 0.2°F Setpoint minus 0.7°F
OF + 1.6°F Lead Compr. Loader Stage 2 Setpoint minus 0.5°F Setpoint minus 1.1°F
Lead Compressor Stage 1 Setpoint minus 1.0 F Setpoint minus 1.6°F
STAGE ON OFF
Lag Compr. Loader Stage 4* Setpoint plus 1.9°F Setpoint plus 1.4°F
Lag Compr. Loader Stage 3 Setpoint plus 1.5°F Setpoint plus 1.0°F
COOLING RANGE Lag Compr. Loader Stage 2 Setpoint plus 1.2°F Setpoint plus 0.5°F
SWITCH = 5 Lag Compressor Stage 1 Setpoint plus 0.8°F Setpoint plus 0.2 F
Lead Compr. Loader Stage 4* Setpoint plus 0.2°F Setpoint minus 0.3°F
COOLING RANGE Lead Compr. Loader Stage 3 Setpoint minus 0.2°F Setpoint minus 0.8°F
OF + 1.8 F Lead Compr. Loader Stage 2 Setpoint minus 0.5°F Setpoint minus 1.3°F
Lead Compressor Stage 1 Setpoint minus 1.0°F Setpoint minus 1.8°F
STAGE ON OFF
Lag Compr. Loader Stage 4* Setpoint plus 1.9°F Setpoint plus 1.3°F
Lag Compr. Loader Stage 3 Setpoint plus 1.5°F Setpoint plus 0.9°F
COOLING RANGE Lag Compr. Loader Stage 2 Setpoint plus 1.1°F Setpoint plus 0.4°F
SWITCH = 6 Lag Compressor Stage 1 Setpoint plus 0.7°F Setpoint minus 0.1°F
Lead Compr. Loader Stage 4* Setpoint plus 0.2°F Setpoint minus 0.7°F
COOLING RANGE Lead Compr. Loader Stage 3 Setpoint minus 0.2°F Setpoint minus 1.1°F
OF + 1.9°F Lead Compr. Loader Stage 2 Setpoint minus 0.7°F Setpoint minus 1.5°F
Lead Compressor Stage 1 Setpoint minus 1.2°F Setpoint minus 1.9°F
STAGE ON OFF
Lag Compr. Loader Stage 4* Setpoint plus 2.0°F Setpoint plus 1.4°F
Lag Compr. Loader Stage 3 Setpoint plus 1.5°F Setpoint plus 0.9°F
COOLING RANGE Lag Compr. Loader Stage 2 Setpoint plus 1.1°F Setpoint plus 0.4°F
SWITCH = 7 Lag Compressor Stage 1 Setpoint plus 0.6°F Setpoint minus 0.1°F
Lead Compr. Loader Stage 4* Setpoint plus 0.2°F Setpoint minus 0.7°F
COOLING RANGE Lead Compr. Loader Stage 3 Setpoint minus 0.2°F Setpoint minus 1.1°F
OF + 2.0°F Lead Compr. Loader Stage 2 Setpoint minus 0.7°F Setpoint minus 1.5°F
Lead Compressor Stage 1 Setpoint minus 1.2°F Setpoint minus 2.0°F