Priority Setting; Cancel Preheating Control - Hitachi PC-ARFG-E Installation & Operation Manual

SERVICE & INSTALLATION MENU

6.1.13 Priority Setting

You can only set the operation mode and unit temperature
setpoint from one specific controller (the main controller) in
the same refrigerant system without having to use the central
controller. The operation of sub controller is decided by the
priority setting and power saving details setting of the main
controller.
Example
Controller A
(Main)
List of operations that can be performed when priority is set
Controller A
Priority Setting
Temperature
Without Priority
Operation Mode
With
Operation Mode
Priority
+ Temperature
Setpoint
?
N O T E
• ○: Selection Possible
• ▲: Selection Possible Partially
- Operation Mode + FAN set by Controller A (Main)
- Only when COOL mode COOL↔DRY
• ×: Selection not possible (Apply to setting temperature of Controller
A (Main))
• This controller comes normally pre-set with factory-supplied default
settings. It is possible to set, depending on what is pre-set in the
priority settings of the Test Run menu.
• Only the temperature setting cannot be set as priority. Also, even if
operation mode is set as priority, in the case of COOL/HEAT Automatic
Mode, the priority is temporarily overridden.
• W hen using two controllers, it is not possible to set priority.
• If one of the devices in the same refrigerant cycle is connected, the
main function cannot be used.
- Outdoor unit or Indoor unit power saving capabilities are not
available
- Receiver Kit
- Central Controller
- Advanced Wired Remote Controller and Wired Remote Controller
are set "ON" with the selected operation mode, setting adjustment
of Temperature Setpoint, and setting adjustment for cooling
- Cooling/Heating Changeover Switch Unit
66 PMML0565 rev.0 - 09/2021
Controller B Controller C
(Sub) (Sub)
Remote Selection
Controller B and C (Sub)
(Main)
Operation
Mode Operation Temperature
Mode Setpoint
Setpoint
○
▲
○
▲

Set Operation Mode and Temperature Priority
1 Select "Installation Menu" on the Service & Installation
screen and press "OK".
2 Select "Priority Setting" and press"OK".
3 Press " " or " " to change in order the "No Setting" ↔
"Operation Mode" ↔ "Operation Mode + Set Temp".
Select the setting and press "OK" to display the confirmation
screen.
4 Press " " to return to the Installation Menu.

6.1.14 Cancel Preheating Control

To cancel preheating control for compressor.
1 Select "Cancel Preheating Control"on the "Installation Menu"
screen and press "OK".
Setting Initialization
Main Remote Setting
Priority Setting
Cancel Preheating Control
Elevating Grille Setting
Select
OK
2 Select "Yes" and press "OK".
3 When "Cancel" is selected, the screen returns to the
○
"Installation Menu".
○
×
Setting Initialization Setting Initialization
Main Remote Setting Main Remote Setting
Cancel preheating control for
Priority Setting Priority Setting
Cancel Preheating Control Cancel Preheating Control
Elevating Grille Setting Elevating Grille Setting
OK Select
Installation Menu
(Mon) 16:30
Installation Menu Installation Menu
(Mon) 16:30 (Mon) 16:30
compressor?
Yes Cancel
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