Complete
1. Purpose The Test Run verifies correct installation, wiring, refrigerant charge, and system operation before commissioning. It allows technicians to chec...
Sat, 8 Nov, 2025 at 3:11 AM
General Assist Technical Reference Wall-Mounted Split System Defrost Flow Sequence Defrost initiation, control actions and termination conditions Tech...
Wed, 29 Jul, 2026 at 4:38 PM
A communication error (COMS error) may occur due to a faulty resistor on the IPM (Intelligent Power Module) board. To confirm the fault: Set the multi...
Tue, 11 Nov, 2025 at 8:19 PM
Purpose To ensure proper communication between the indoor unit and the connected wired remote controller, the indoor unit’s PCB must be configured accordin...
Tue, 11 Nov, 2025 at 8:22 PM
⚠️ Important: Ensure the unit is switched OFF before performing any maintenance. 1. Opening the Intake Grille Open the intake grille in the directio...
Tue, 11 Nov, 2025 at 8:25 PM
Description of Control Operation Applicable Models: ASTG30KMTA / ASTG34KMTA / ASTH30KMTD / ASTH34KMTD 1. Cooling Capacity Control A room temperature the...
Tue, 11 Nov, 2025 at 8:31 PM
Overview When installing an external input/output PCB (Model: UTY-XCSXZ2), the indoor unit can interface with external control systems such as Building Man...
Tue, 11 Nov, 2025 at 8:36 PM
Applicable Models: Backlit Controller: UTY-RVNXM / UTY-RVNYN Standard Wired Remote Controller: UTY-RNNXM / UTY-RNNYN Mixed Configuration: UTY-RVN...
Tue, 11 Nov, 2025 at 8:41 PM
Remote Controller Cable Requirements UseCable SizeWire TypeApplicable ModelRemarks Remote Controller Cable 0.33 mm² (22 AWG) Polar 3-core UTY-RVN*M ...
Tue, 11 Nov, 2025 at 8:44 PM
1. Overview The UTY-RVNYN wired remote controller includes internal DIP switches used to configure memory backup and dual remote controller operation mo...
Tue, 11 Nov, 2025 at 8:50 PM