Aquarite S3: Main Pcb Layout - Hayward AquaRite S3 Technical Training Manual

AquaRite S3 Main PCB Layout
A
B
K
N
J
7
C
L
D
M
G
I
AC Power for expansion board. If fuse is good AC
A
mains voltage is present across contacts.
Low voltage and signals for expansion board.
B
Inadvertent shorts can cause damage.
C
Standard Hayward RS-485 (HPN) connector.
12mm coin cell battery holder for real time clock.
D
BR1225
USB for firmware update. Do not leave USB drive
E
E
plugged in. No logging functionality.
F
Sensor inputs (pool, air, cover).
G
Heater low voltage dry contact relay.
F
H
Flow switch connection.
I
T-Cell connection. Only supports TCELLS3
J
AC input connection for pigtail leads
Transformer primary inputs. Auto voltage
K
configured and same wire color scheme as AQR,
OmniPL.
L
Display connector. 3.3V between pin 1 and 5.
Transformer secondary connector. 24VAC across
M
pins. May see transient 12VAC during auto voltage
select at boot or reset.
H
N
5 x 20mm 4AT mains input fuse.