Water heat exchange unit
(2) External terminal input specification
Special switch
(SW8)
Communication address
switch (SW6)
Parallel switch
(SW7)
Hot water temperature
setting switch (SW4, 5)
Cold water temperature
setting switch (SW2, 3)
Setting switch (SW1)
Outdoor unit address
switch (SW14)
Start up verification
display (LE21)
Heating display
(LE22)
Abnormality
display (LE23)
Outdoor operation input
monitor (LE15)
Outdoor stop input
monitor (LE14)
bnormality reset switch
(SW13)
Remote/local change
switch (SW11)
H - 13
Cooling/heating
change switch (SW10)
End switch (SW12)
Local operate/
stop switch (SW9)
5. Control
Indoor outdoor
communication monitor (LE16)
Abnormal
communication display (LE8)
Sensor abnormality
display (LED9)
Freezing abnormality
display (LED10)
Setting abnormality
display (LED11)
Interlock input monitor
(LED12)
External cooling/heating
input monitor (LED13)
Relay output monitor
(LE1)
Relay output monitor
(LE2)
Relay output monitor
(LE3)
Relay output monitor
(LE4)
Relay output monitor
(LE5)
Remote control output
monitor (LE18)
Remote control output
monitor (LE19)
Remote control output
monitor (LE20)