Sanyo 85402843, Service Manual

Page: 42 / 252

5 - 10
Mini ECO-i System
PCB and Functions
5
2. Outdoor Unit Control PCB
LED1, 2
(D042, D043)
Power LED
(D019)
RUN
(CN48)
Stop
(CN49)
AP
(CN46)
Mode cha ng e
(CN50)
Te s t
(CN44)
• LED 1 a n d 2 bli n k alter n ately while a u tomatic addre ss s etti ng i s i n pro g re ss .
• Di s play the alarm co n te n t s for alarm s that are detected by the o u tdoor un it.
• To perform vac uu mi ng of the o u tdoor un it, s hort-circ u it thi s pi n a n d the n t u r n
the power ON. All s ole n oid valve s t u r n ON a n d vac uu mi ng be g i ns s moothly.
(Do n ot perform a u tomatic addre ss s etti ng at thi s time.)
• Relea s e the s hort-circ u it to ret u r n the un it to n ormal s tat us .
LED (red
×
2)
LED (red): Power i n dicator
2P pl ug (white): Start pi n
2P pl ug (white): Stop pi n
2P pl ug (white): Vac uu mi ng pi n
• Whe n operati ng the compre ss or s to perform a u tomatic addre ss s etti ng ,
operatio n i n Heati ng mode ca n be n ormally us ed. However, s hort-circ u iti ng thi s
pi n perform s operatio n i n Cooli ng mode. (Static s i gn al)
• Short-circ u iti ng thi s pi n d u ri ng ordi n ary operatio n cha ng e s the mode from
Cooli ng to Heati ng (if the c u rre n t mode i s Cooli ng ) or from Heati ng to Cooli ng
(if the c u rre n t mode i s Heati ng ).
2P pl ug (white): I n door un it Heati ng /Cooli ng mode cha ng e pi n
• Thi s pi n i s us ed to te s t the PCB at the factory.
• Whe n the power i s t u r n ed ON after thi s pi n ha s bee n s hort-circ u ited, all o u tp u t
s i gn al s will be o u tp u t i n s eq u e n ce. (Seq u e n tial o u tp u t doe s n ot occ u r if thi s pi n
i s s hort-circ u ited whe n the power i s already ON.) Relea s i ng thi s pi n ret u r ns the
un it to n ormal co n trol.
2P pl ug (white)
I n dicate s the DC 5V power o n the o u tdoor un it co n trol PCB.
Short-circ u it thi s pi n a n d apply a p u l s e s i gn al to s tart all i n door un it s i n that
refri g era n t s y s tem.
Short-circ u it thi s pi n a n d apply a p u l s e s i gn al to s top all i n door un it s i n that
refri g era n t s y s tem.
06-408 Mini_ECOi_SM5 11/10/06 5:20 PM Page 10
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