Carrier 48/50PG Series - Page 117

117
APPENDIX B — CONTROL MODES WITH
Humidi--MiZer™ SYSTEM AND ECONOMIZER (CONT)
TRI-CIRCUIT UNITS (48/50PG16 Only)
1-Stage Y1 (Thermostat Control Type configuration = 1)
ECONO AVAILABLE? Y1 Y2 HUMIDISTAT CIRCUIT A CIRCUIT B CIRCUIT C EC ONOMIZER
NO OFF OFF LOW OFF OFF OFF Min. Position (Econo closed if fan off)
NO OFF OFF HIGH HGRH HGRH HGRH Min. Position
NO ON OFF HIGH Subcooling HGRH HGRH Min. Position
NO OFF ON HIGH Subcooling Subcooling Subcooling Min. Positi on a larm T411: Y2 without Y1
NO ON ON HIGH Subcooling Subcooling Subcooling Min. Position
NO ON OFF LOW ON OFF OFF Min. Position
NO OFF ON LOW ON ON ON Min. Position alarm T411: Y2 without Y1
NO ON ON LOW ON ON ON Min. Position
YES OFF OFF LOW OFF OFF OFF Min. Position (Econo closed if fan off)
YES OFF OFF HIGH HGRH HGRH HGRH Min. Position
YES ON OFF HIGH Subcooling HGRH HGRH Min. Position
YES OFF ON HIGH Subcooling Subcooling Subcooling Min. Position ala rm T411: Y2 without Y1
YES ON ON HIGH Subcooling Su bcooling Subcooling Min. Position
YES ON OFF LOW OFF or ON OFF OFF Cooling
YES OFF ON LOW OFF or ON OFF or ON OFF or ON C ooling alar m T411: Y2 without Y1
YES ON ON LOW OFF or ON OFF or ON OFF or ON Cool ing
TRI-CIRCUIT UNITS
2-Stage Y1 (Thermostat Control Type configuration = 2)
ECONO AVAILABLE? Y1 Y2 HUMIDISTAT CIRCUIT A CIRCUIT B CIRCUIT C ECONOMIZER
NO OFF OFF LOW OFF OFF OFF Min. Position (Econo closed if fan off)
NO OFF OFF HIGH HGRH HGRH HGRH Min. Position
NO ON OFF HIGH Subcooling Subcooling OFF Min. Position
NO OFF ON HIGH Subcooling Su bcooling Subcooling Min. Position a larm T411: Y2 without Y1
NO ON ON HIGH Su bcooling Subcooling Subcooling Min. Position
NO ON OFF LOW ON ON OFF Min. Position
NO OFF ON LOW ON ON ON Min. Position alarm T411: Y2 without Y1
NO ON ON LOW ON ON ON Min. Position
YES OFF OFF LOW OFF OFF OFF Min. Position (Econo closed if fan off)
YES OFF OFF HIGH HGRH HGRH HGRH Min. P os ition
YES ON OFF HIGH Su bcooling Subcooling OFF Min. Position
YES OFF ON HIGH Subcooling Su bcooling Subcooling Min. Position a larm T411: Y2 without Y1
YES ON ON HIGH Subcooling Subcooling Subcooling Min. Positi on
YES ON OFF LOW OFF or ON OFF or ON OFF Cooling
YES OFF ON LOW OFF or ON OFF or ON OFF or ON Cooling alar m T411: Y2 without Y1
YES ON ON LOW OFF or ON OFF or ON OFF or ON Cooling
TRI-CIRCUIT UNITS
Digital (Thermostat Control Type configuration = 3)
ECONO AVAILABLE? Y1 Y2 HUMIDISTAT CIRCUIT A CIRCUIT B CIRCUIT C ECONOMIZER
NO OFF OFF LOW OFF OFF OFF Min. Position (Econo closed if fan off)
NO OFF OFF HIGH HGRH OFF OFF Min. Position
NO ON OFF HIGH HGRH HGRH HGRH Min. Position
NO OFF ON HIGH Subcooling HGRH HGRH Min. P osition
NO ON ON HIGH Su bcooling Subcooling Subcooling Min. Position
NO ON OFF LOW ON OFF OFF Min. Position
NO OFF ON LOW ON ON OFF Min. Position
NO ON ON LOW ON ON ON Min. Position
YES OFF OFF LOW OFF OFF OFF Min. Position (Econo closed if fan off)
YES OFF OFF HIGH HGRH OFF OFF Min. Position
YES ON OFF HIGH HGRH HGRH HGRH Min. Position
YES OFF ON HIGH Subcooling HGRH HGRH Min. Position
YES ON ON HIGH Subcooling Subcooling Subcooling Min. Positi on
YES ON OFF LOW OFF or ON OFF OFF Cooling
YES OFF ON LOW OFF or ON OFF or ON OFF Cooling
YES ON ON LOW OFF or ON OFF or ON OFF or ON Cooling
48/50PG and PM