System Set-Up Procedure - Mitsubishi Electric ecodan PUHZ-W50VHA2 User Manual

System Set-up Procedure

Controller: PAR-W21MAA
The PAR-W21 controller is used to optimise the running of the system, set-up the heating parameters and
select the available modes. It should not be used for timing purposes, instead use the 2 channel time clock.
Listed below are all the available buttons and displays on the LCD screen. The following pages explain the
setting up of the functions for the Ecodan.
Display Section
2 Identifies the current operation
Shows the operating mode, etc.
* Multi language display is supported.
Indicates that operation of the remote
controller has been prohibited by a master
controller.
Indicates that the timer is off.
3 Temperature Setting
Shows the target temperature
Operation Section
F Set Temperature buttons
G Timer Menu button
(Monitor/ Set button)
E Mode buttons (Return button)
C Set Time button
D On/Off button
This icon is shown with the corresponding target temperature determined by DIP SW2-6 before the system
is due to perform an immersion heater cycle.
42
SYSTEM SET -UP
1 Day of the Week
Shows the current day of the week
For purposes of this explanation, all parts of the display are shown. During
the actual operation, only the relevant items will be displayed.
41
Indicates that remote controller buttons
have been locked.
7 ON/OFF indicator
Indicates if the time is set ON/OFF
9 Timer indicators
The indicator comes on if the correspond-
ing timer is set.
10 Error indicator
Comes on when error occurs.
4 Temperature indicator
Shows the current water temperature
11 Power On indicator
Indicates that the power is on.
Fig.4.3
I ON/OFF button
H Setting change button
A CIR.WATER button
( <Enter> button)
B not available
Test run function is not available with this FTC unit
J Self check (clear) button
Fig. 4.4