Service manual

SiUS28-902_a Outdoor Unit P.C.B. Layout
Test Operation 46
2. Outdoor Unit P.C.B. Layout
Outdoor unit P.C.B.
BS1
MODE SET RETURN TEST RESET
BS2 BS3 BS4 BS5
H1P H2P H3P H4P H5P H6P H7P
(2) Set mode display (LED)
(3) Mode setting switch
(1) Service monitor
Connection terminal for transmission use
HAP
(1) Service monitor (LED Green)
This monitor blinks while in normal operation, and turns on or off when a malfunction occurs.
(2) Set mode display (LED Orange)
LEDs display mode according to the setting.
(3) Mode setting switch
Used to change mode.
MODE L.N.O.P DEMAND HWL:k TEST:l
IND
MASTER SLAVE
C/H SELECTOR
(A2P)
(A1P)
F1 F2 F1 F2
TO IN / D
UNIT
TO OUT / D
UNIT