Johnson Controls YVAHP072B31S, Service Manual

Page: 1080 / 1796

2-160
Service Manual
OPERATION
10. Other Indications
10.1 In Normal Condition
10.1.1 Main / Sub Controller
The icon “MAIN” will be displayed as ON when
the controller is set as MAIN.
Use the main controller to set principal power
saving.
When there is a single controller, the icon “MAIN”
will not display as ON.
The icon “SUB” will display as ON when the
controller is set as Sub.
The sub controller cannot set power saving
except for a part of the power saving function.
The icon “ SUB” will display as ON when the
main controller is absent.
In this instance, it is possible that the control
with the power saving and the operation noise
reduction functions may not operate normally.
10.1.2 Central Control
When remote control operation is restricted
(all functions)
The central control “ ” will turn ON.
If the remote control restriction is set from
the central controller, the settings for “RUN”,
“Operation Mode”, “Temperature Setting”,
“Fan Speed”, and “Louver” will not be accessible
from the controller.
When remote control operation is restricted
(some functions)
The icon “ ” will display as ON.
The function operation which is restricted from
the central controller cannot be set.
10.1.3 Priorities
When only the Operation Mode or Operation
Mode and Temperature Setting have setting
priorities (only when using the main controller).
The icon “Priority” will display as ON.
In this instance, the sub controller “Restrict” icon
will display as ON and the setting modi
¿ cations
of the Operation Mode and Temperature Setting
from the sub controller will be restricted.
Main Controller
Sub Controller