Mitsubishi Electric EHST20C-VM6HA Service Manual page 34

<Room Temp Control (Heating)>
This function allows operational setting of flow temperature range from the Eco-
dan and also the time interval at which the FTC3 collects and processes data for
the auto adaptation mode.
From the Operation setting menu use F1 and F2 buttons to scroll through the
1.
list until Room temp. control (HEATING) is highlighted.
. Press CONFIRM.
Room temp. control (HEATING) screen is displayed.
3.
To alter the time period at which date will be collected use F1 and F2 buttons
4.
to highlight 'Temp. control interval'.
5. Press CONFIRM.
6. Use F3 and F buttons to alter the time interval.
Note: Range 10 – 60 minutes at 10 minute intervals (default 10 minutes).
To alter the flow temperature limits, use F1 and F2 buttons to highlight 'Flow
7.
temperature range'.
8. Press CONFIRM.
Flow temperature range screen is displayed.
To alter minimum flow temp. use F1 and F2 buttons.
9.
Note: Range of minimum flow temp. is 25°C to 40°C (default 30°C).
To alter maximum flow temp. use F3 and F4 buttons.
10.
Note: Range of maximum flow temp. is 35°C to 60°C (default 50°C)
To return to Operation setting menu press BACK twice.
11.
<Running Information>
This function shows current temperature and other data of main component parts
of both the indoor and outdoor units.
1. From the Service menu highlight Running information.
. Press CONFIRM.
3. Use the function buttons to enter index code for the component to be viewed.
(See the Table 9-2-1 for component index codes.)
4. Press CONFIRM.
<Table 9--1>
Request
code
Indoor unit pump - Accumulated operating time (after reset)
154
Indoor unit - Dip SW1 setting information
16
Indoor unit - Dip SW2 setting information
163
Indoor unit - Dip SW3 setting information
164
Indoor unit - Dip SW4 setting information
165
Indoor unit - Output signal information
175
Indoor unit - Input signal information
176
Indoor unit - Software version 1st 4 digits
190
Indoor unit - Software version last 4 digits
191
Indoor unit pump - Accumulated operating time reset
340
Indoor unit - Booster heater temp. (THW3)
51
Note
Refer to outdoor unit service manual for request code 0 to 149.
As only four digits can be displayed at one time the software version number is displayed in two halves.
Enter code 190 to see the first four digits and code 191 to see the last four digits.
For example software version No. 5.01 A000, when code 190 is entered 0501 is displayed, when code 191 is entered A000 is displayed.
<Thermistor reading> shows all the thermistor temperature except THW3.
Request content
Room temp. control (HEATING) screen
Range
0 - 9999
Refer to detail contents described hereinafter
Refer to detail contents described hereinafter
Refer to detail contents described hereinafter
Refer to detail contents described hereinafter
Refer to detail contents described hereinafter
Refer to detail contents described hereinafter
Refer to Note below
Refer to Note below
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Unit
10 hours
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