Haier HU062WAMNA Service Manual page 32

Notes:
1. B1 and A1 are unavailable.
2. B2 and A2 for 485 interface, access to split unit's 485 B and A, paying attention to line order.
3. ALARM1 and ALARM2 factory default is connected, if not be connected, then the main interface of the controller
will display alarm information, and all indoor units will be turned off.
Controller Dimension:
Set controller as sub
① Tap on menu icon
② Setting "Main/Sub Set" function.
③ MAIN: This controller is main, and you can use this controller to set and view unit parameters.
SUB: This controller is sub, and you can only use this controller to view the unit parameters, not to control the
unit operation status.
Installation settings
① Tap on menu icon
② Enter the correct password (841226), go into the installation interface. Please refer to the Setting→Installation
function description below for detailed operation methods.
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in main interface→SETTING→GENERAL
in main interface→SETTING→INSTALLATION
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