Controls group operation for up to 16 indoor units in a single group

Supports both Fahrenheit and Celsius


User defined functions:

ON/OFF

Operation mode: AUTO (R2-Series only), COOL, HEAT, FAN, DRYING, or SETBACK

Set temperature

Fan speed setting

Air flow direction

Set temperature range: 40˚F - 95˚F depending on operation mode and indoor unit connected.

Set temperature range limit: Simple MA allowable set temperature range can be reduced for cool and heat modes.

LOSSNAY: Simple MA for interlocked system can set high/low/Stop on LOSSNAY.

Room temperature can be sensed either at the indoor unit (default) or at the remote controller.

Diagnostics: Displays four-digit error code and error unit address.

Grouping: Same group use only with other PAC-YT53CRAU Simple MA Controllers, PAR-21MAAU Deluxe MA Remote Controllers, and PAR-FL/A32MA Wireless MA Remote Controllers with up to two remote controllers per group.

Addressing: No addressing required.

Wiring: Uses two-wire, stranded, non-polar control wire for connecting TB15 connection terminal on the indoor unit. Requires crossover wiring for grouping across indoor units.

Dimensions: 2-3/4 x 9/16 x 4-3/4" (70 x 14.5 x 120mm).

Model: PAC-YT53CRAU

New in factory box