F1
F2
F3
F4
33
OCH714D
CONTROLS
9
B
C
D
E
A
9-1. Main remote controller
Main screen
<Main remote controller parts>
Letter Name
Function
A
Screen
Screen in which all information is displayed
B
Menu
Access to system settings for initial set up and
modifications.
C
Back
Return to previous menu.
D
Confirm
Used to select or save. (Enter key)
E
Power/Holiday If system is switched off pressing once will turn
system ON. Pressing again when system is
switched on will enable Holiday Mode. Holding the
button down for 3 seconds will turn the system off.
(
*1
)
F1-4 Function keys Used to scroll through menu and adjust settings.
Function is determined by the menu screen visible
on screen A.
*1
When the system is switched off or the power supply is disconnected,
the cylinder unit protection functions (e.g. freeze stat. function) will NOT
operate. Please beware that without these safety functions enabled the
cylinder unit may potentially become exposed to damage.
<Main screen icons>
Icon
Description
1 Legionella
prevention
When this icon is displayed, ‘Legionella prevention
mode’ is active.
2 Heat pump
‘Heat pump’ is running.
Defrosting
Emergency heating
‘Quiet mode’ is activated.
3 Electric heater
When this icon is displayed, the ‘Electric heaters’
(booster or immersion heater) are in use.
4 Target
temperature
Target flow temperature
Target room temperature
Compensation curve
5 OPTION
Pressing the function button below, this icon will dis
-
play the option screen.
6 +
Increase set temperature.
7 -
Decrease set temperature.
8 Z1
Z2
Pressing the function button below, this icon switches
between Zone1 and Zone2.
Information
Pressing the function button below, this icon displays
the information screen.
9
Space heating/
cooling mode
Heating mode
Zone1 or Zone2
Cooling mode
Zone1 or Zone2
10 DHW mode
Normal or ECO mode
11 Holiday mode
When this icon is displayed, ‘Holiday mode’ activated.
12
Timer
Prohibited
Server control
Stand-by
Stand-by (*
2
)
Stop
Operating
13 Current
temperature
Current room temperature
Current water temperature of DHW tank
14
The Menu button is locked or the switching of the op
-
eration modes between DHW and Heating operations
are disabled in the Option screen.(
*3
)
15
SD memory card is inserted. Normal operation.
SD memory card is inserted. Abnormal operation.
16 Buffer tank
control
When this icon is displayed, 'Buffer tank control' is ac-
tive.
17 Smart grid
ready
When this icon is displayed, 'Smart grid ready' is
active.
*2 This unit is in Stand-by whilst other indoor unit(s) is in operation by
priority.
*3 To lock or unlock the Menu, press the BACK and CONFIRM keys
simultaneously for 3 seconds.
12
11
1
3
2
10
9
4
7
6
5
15 14
13
8
16
17
To change the settings of your heating/cooling system please use the main
remote controller located on the front panel of the cylinder unit or hydrobox.
The following is a guide to viewing the main settings. Should you require more
information please contact your installer or local Mitsubishi Electric dealer.
Cooling mode is available for ERS series only. However,
Cooling mode is not
available when the indoor unit is connected to PUHZ-FRP.
