Optional parts2. 4.
CAUTION
ThefollowingpartsareoptionalpartsspecictoR410Arefrigerant.
Do not use parts other than those listed below.
Refer to the installation manual for the Branch box and the Separation tubes.
Parts name Model name
Separation tube UTP-SX248A
Branch box
Primary UTP-PU03A
Secondary UTP-PU03B
External connect kit
(for External input/output)
UTY-XWZXZ3
External connect kit
(for Base heater)
UTY-XWZXZ4
Operating range2. 5.
Operating range
Temperature Indoor air intake Outdoor air intake
Cooling
Maximum 90 °F DB 115 °F DB
Minimum 64 °F DB 23 °F DB
Heating
Maximum 88 °F DB 75 °F DB
Minimum 60 °F DB 5 °F DB
Indoor humidity about 80% or less