Technical

R32 Ducted Inverter PCB Access
Please see below the following procedure for accessing the inverter PCB. 
Wed, 22 Mar, 2023 at 3:01 PM
AOTA72LALT and AOTA90LALT Outdoor Functions
Please see below function settings for the AOTA72LALT and AOTA90LALT models:   
Thu, 23 Mar, 2023 at 7:07 AM
Refrigerant Branch Box Errors
Below are the refrigerant branch box errors that can occur on single port, 4 port, 8 port and 12 port boxes. 
Thu, 23 Mar, 2023 at 7:15 AM
8 port and 12 port RB Box addressing
When Merging more then one port together on a 8 or a 12 port refrigerant branch box the following switches need to be set on S300. Merging 2 ports:  ...
Fri, 24 Mar, 2023 at 1:13 PM
UTB-TUD to UTB-TUB
UTB-TUB = AR-3TA3 AR-3TA12 UTB-TUD = AR-6TC2
Fri, 24 Mar, 2023 at 1:42 PM
UTY-DTGYZ1 Password
Password Factory Password = VRFVRF
Wed, 19 Apr, 2023 at 1:23 PM
UTY-CDRXZC and UTY-CDRXZD Function Settings
Attached section of the Service Manual outlines functions settings required when setting up the Zone Controller with 2-wire remote controller.
Fri, 5 May, 2023 at 8:44 AM
UART UTY-FGAN1 Flash codes
The following flash patterns are visible on the UTY-FGAN1 when setting up the app and device Below is a screenshot from the app Below is furthe...
Mon, 19 Jun, 2023 at 2:40 PM
Chiller Unit Battery Pack Charger
NBC24V1BLCWM  Part number 325739
Fri, 15 Sep, 2023 at 10:21 AM
VRF Low noise data
VRF Low noise data
Fri, 29 Sep, 2023 at 11:00 AM