Group Settings - York R-410A Technical & Service Manual

Controller
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removed if you query any air conditioner in the system.
♦ c is the locking option of centralized controller, including locking and unlocking. In case of
locking, all the controller key operations will be disabled after all the indoor centralized
controllers receive a locking command. Select centralized controller unlocking, and then press
"Send uniform centralized controller locking command" to unlock all the indoor centralized
controllers after successfully sending the commands.
♦ e is the mode locking selection box. When only one mode is allowed for the whole system,
select cooling or heating from the option, and then press "Uniform mode locking command".
After it is successfully sent, the operation mode of indoor unit cannot be changed through a
remote controller or centralized controller. But the indoor unit can be unlocked or other
operation mode may be used from the upper level. When the mode locking is applied to all the
indoor units, select unlocking and press "Uniform mode locking command" to unlock the indoor
units and the mode of all the indoor units can be changed after the command is successfully
sent.

3.5.5 Group settings

♦ a consists of the group name drop down box and selected indoor unit of group. After a group
is selected, all the indoor units under the group will be in the list.
♦ b is the group setting box and includes remote controller setting, On/Off setting and operation
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