Technical data
Installation manual
18
RZAG71~Y1
Sky Air Alpha-series
4P573382-1 – 2019.04
7.2
Piping diagram: Outdoor unit
LPS
HPS
T
D
T
B
T
M
T
S
T
L
A
B
Service port (with 5/16" flare)
Stop valve
Filter
PCB cooling
Muffler
Electronic expansion valve
4‑way valve
High pressure switch
LPS
Low pressure switch
Compressor accumulator
Heat exchanger
Compressor
Distributor
Accumulator
Thermistor
A
Field piping (liquid: Ø9.5 flare connection)
B
Field piping (gas: Ø15.9 flare connection)
Heating
Cooling
7.3
Wiring diagram: Outdoor unit
The wiring diagram is delivered with the unit, located at the inside of
the service cover.
(1) Connection diagram
English
Translation
Connection diagram
Connection diagram
Only for ***
Only for ***
See note ***
See note ***
Outdoor
Outdoor
Indoor
Indoor
Upper
Upper
Lower
Lower
Fan
Fan
ON
ON
OFF
OFF
(2) Layout
English
Translation
Layout
Layout
Front
Front
Back
Back
Position of compressor terminal
Position of compressor terminal
(3) Notes
English
Translation
Notes
Notes
Connection
X1M
Indoor/outdoor communication
Earth wiring
Field supply
1
Several wiring possibilities
English
Translation
Protective earth
Field wire
Wiring depending on model
Option
Switch box
PCB
NOTES:
1
Refer to the wiring diagram sticker (on the back of the front
plate) for how to use the BS1~BS3 and DS1 switches.
2
When operating, do not short-circuit protective devices S1PH
S1PLand Q1E.
3
Refer to the combination table and the option manual for how
to connect the wiring to X6A, X28A and X77A.
4
Colours: BLK: black, RED: red, BLU: blue, WHT: white, GRN:
green
(4) Legend
English
Translation
Legend
Legend
Field supply
Field supply
Optional
Optional
Part n°
Part n°
Description
Description
A1P
Printed circuit board (main)
A2P
Printed circuit board (noise filter)
A3P
*
Printed circuit board (demand)
BS1~BS3 (A1P)
Push button switch
