52
52
Dip switch introduction
BM1 is usually set by the personnel on site; BM2 is usually used in the factory.
BM1 Introduction
LED light introduction
•
LED1: malfunction lamp of indoor unit.
This lamp not light under normal condition; once indoor unit occurs malfunction this lamp will flicker, flicker
times indicate the corresponding failure code.
• LED2, LED4: communication lamp between indoor units and outdoor units.
These two lamps flicker alternately under normal condition; once occurs the communication faulty, these
two lamps will light or not light at the same time.
• LED3: communication lamp between outdoor PCB and module.
The lamp flicker frequency is 0.5s/time under normal condition; once occurs the communication faulty, the
lamp flicker frequency is 1s/time.
BM1
Definition
Introduction
BM1_1 Indoor unit Qty. lock
OFF
Searching indoor unit
ON
Lock indoor unit Qty.
BM1_2 Start up after
preheat 2 hours
OFF
Unit shall startup after 2 hours preheat or oil temp. reaches the
target value
Power
on, then
OFF→ON
Unit shall startup after 2 hours preheat or oil temp. reaches the
target value (note: here the target value is lower than the target
value when the BM1-2 on "OFF" position).
BM1_3 Compressor brand
OFF
Default (MHI compressor)
BM1_4
BM1_5
Piping length
selection
(Single way total pipe
length)
[4]
[5]
Piping length selection
OFF
OFF
Medium piping length:100m
<
L ≤200m (default)
OFF
ON
Long piping length: L > 200m
ON
OFF
Short piping length: L ≤ 100m
ON
ON
Medium piping length:100m
<
L ≤200m
BM1_6
BM1_7
Defrosting judge
condition
[6]
[7]
Defrosting judge condition
OFF
OFF
Default setting (Normal installation condition )
OFF
ON
Low humidification in winter condition
ON
OFF
High humidification in winter condition (when outdoor
unit defrosting is not clear, can set the dip switch on
this position)
BM1_8 Quiet running
function
OFF
Quiet running function is unavailable (default)
ON
Quiet running function is available
Note:
• The number of indoor units must be locked by the BM1_1 (OFF to ON), otherwise the outdoor unit cannot be
started.
• The outdoor unit cannot be started if the locked indoor unit Qty. is not same as Qty. of real indoor units.
Содержание AV08NMSETA
Страница 1: ...SYJS 11 2016 REV A Edition 2016 11 Service Manual MRV SII ...
Страница 15: ...13 13 Dimension 4 Dimension 1050 D ...
Страница 25: ...23 23 Outdoor Installation Multi Outdoor Min300mm Min300mm Min360mm Min300mm Inlet Outlet h A ...
Страница 53: ...51 51 Dip Switch Setting 11 Dip Switch Setting Outdoor PCB photo BM2 SW1 SW2 SW3 SW4 LED3 LED1 BM1 LED2 LED4 ...