Led Indication - Hitachi YUTAKI M-Serie Bedienungsanleitung

ELECTRICAL AND CONTROL SETTINGS
Unit and installation pipes antifreeze
protection
Standard / ECO water pump operation
Electric heater or boiler emergency mode
DHW tank's heater operation
DHW 3-way valve forced ON
!
C A U T I O N
• Never turn all DSW4 dip switch pins ON. If this happens, the software
of the unit will be removed.
• Never activate "Heater Forced OFF" and "Electric heater or boiler
emergency mode" at the same time.
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DSW5: Additional setting 3
In the cases where the outdoor unit is installed into a location
where its own outdoor ambient temperature sensor can not
give a suitable temperature measurement to the system, it
is available the 2nd outdoor ambient temperature sensor as
accessory. By means of DSW1&2 setting, the preferable sensor
for each circuit can be selected.
Factory setting
Outdoor unit sensor for circuits 1 and 2.
Outdoor unit sensor for circuit 1; Auxiliary
sensor for circuit 2.
Auxiliary sensor for circuit 1; Outdoor unit
sensor for circuit 2.
Auxiliary sensor instead of outdoor unit
sensor for both circuits.
4-20 mA setting temperature
(Only manual operation)
Use the maximum temperature value
between Two3 (boiler / heater thermistor) and
Two (water outlet thermistor) for water control
23 PMML0342B rev.1 - 03/2016
All manuals and user guides at all-guides.com
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Factory setting
7 8
(Do not change)
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7 8
Factory setting
7 8
Defrost for the water electric heater
7 8
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7 8
Factory setting
(Do not change)
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Factory setting
(Do not change)
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Factory setting
(Remote operation)
Local operation
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Factory setting
(Heat operation)
Cool and Heat operation in case of Local

9.5.4 LED indication

Name
LED1
LED2
LED3
LED4
LED5
LED6
LED7
DSW6: Not used
DSW7: Additional setting 4
DSW8/DSW18: Not used
DSW15 & RSW2/ DSW16 & RSW1: Not used
SSW1: Remote/Local
SSW2: Heat/Cool
Colour
Green Power indication
Red Power indication
Red Heat pump operation (thermo ON/OFF)
Yellow Alarm (flickering with 1 sec interval)
Green Not used
Yellow H-Link transmission
Yellow H-Link transmission for unit controller
Remote
Local
Remote
Local
Heat
Cool
Heat
Cool
Indication