Digital Display Parameter Output; Button On A Digital Display Panel; Four Led Display Parameter Output; Unit Address - Midea MDV-D22Q1/N1-D Technical Manual

1.3 Digital Display Parameter Output

On pressing the button on a digital display panel the parameters given in Table 3.2 are displayed (unless the unit is
in an error state, in which case the digital display displays the error code). On the first press, parameter no. 1 is
displayed, on the second press, parameter no. 2 is displayed, and so on. If the button is not pressed for 10 seconds,
the display returns to its normal output, as described in Table 3.1.
Table 3.2: Digital display output when button on a digital display panel is pressed
Parameter
no.
1 Communication address
2 Capacity as set on switch ENC1 on indoor unit main PCB
3 Network address
4 Set temperature
5 Indoor ambient temperature
6 Reserved - indoor ambient temperature
7 Indoor heat exchanger mid-point temperature
8 Indoor heat exchanger outlet temperature
9 Most recent error code
10 --
Notes:
1. On indoor units, the communication address and network address are the same and are routinely referred to simply as the unit's "address".
2. Parameter no. 6 is reserved for future use. Currently, it displays the indoor ambient temperature.

1.4 Four LED Display Parameter Output

1.4.1 Unit address

On pressing the MANUAL button on a four LED display panel continuously for 5 seconds the unit's address is
indicated by the statuses of the four LEDs and the alarm.
Figure 3.3: Button on a digital display panel
Parameters
1
1
2
Figure 3.4: MANUAL button on a four LED display
panel
0 - 63
Unit: HP
0 - 63
Minimum value -9°C
Minimum value -9°C
Minimum value -9°C
Minimum value -9°C
"E-" is displayed if no error code has occurred since the unit
was powered on
28
Remarks