Controls - Mitsubishi Electric EHGT17D-YM9ED Service Manual

8

CONTROLS

8-1. Main remote controller
F1 F2
B C
12 15
10
9
8
OCH722A
F3 F4
D
14 11 1 17 2 3
7 6
Main screen
<Main remote controller parts>
Letter Name
A Screen
B Menu
C Back
A
D Confirm
E Power/Holiday If system is switched off pressing once will turn
F1-4 Function keys
*1
E When the system is switched off or the power supply is disconnected,
the heat pump unit protection functions (e.g. freeze stat function) will
NOT operate. Please beware that without these safety functions ena-
bled the heat pump unit may potentially become exposed to damage.
<Main screen icons>
Icon
1 Legionella
16
prevention
2 Heat pump
3 Electric heater When this icon is displayed the 'Electric heaters'
4 Target
13
temperature
5 OPTION
4
6 +
7 -
8 Z1 Z2
Information
9 Space heating
mode
10 DHW mode
5
11 Holiday mode
12
13
Current
temperature
14
15
16 Buffer tank
control
Smart grid
17
ready
*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.
17
Function
Screen in which all information is displayed
Access to system settings for initial set up and
modifications.
Return to previous menu.
Used to select or save. (Enter key)
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)
Used to scroll through menu and adjust settings.
Function is determined by the menu screen
visible on screen A.
Description
When this icon is displayed 'Legionella prevention
mode' is active.
'Heat pump' is running.
Emergency heating
'Quiet mode' is activated.
(booster or immersion heater) are in use.
Target flow temperature
Target room temperature
Compensation curve
Pressing the function button below this icon will
display the option screen.
Increase desired temperature.
Decrease desired temperature.
Pressing the function button below this icon
switches between Zone1 and Zone2.
Pressing the function button below this icon dis-
plays the information screen.
Heating mode
Zone1 or Zone2
Normal or ECO mode
When this icon is displayed 'Holiday mode' acti-
vated.
Timer
Prohibited
Server control
Stand-by
Stop
Operating
Current room temperature
Current water temperature of DHW tank
The Menu button is locked or the switching of the
operation modes between DHW and Heating op-
erations are disabled in the Option screen.(*3)
SD memory card is inserted. Normal operation.
SD memory card is inserted. Abnormal operation.
When this icon is displayed, 'Buffer tank control' is active.
When this icon is displayed, 'Smart grid ready' is active.