Layout Of Electrical Terminals; How To Connect Electrical Wiring; Basic Wiring; Terminals For Remote Monitoring - Sanyo SPW-C0705DZH8 Technical Data Manual

4. System Controller

Layout of Electrical Terminals

Ground for
power wiring
DC voltage pulse
Photocoupler input
Allowable contact voltage
and current : 24 V, 10 mA
Pulse width : 300 ms or more
No-voltage a-contact
static output
Allowable contact voltage
and current : 30 V, 0.5 A
Clamp for electrical wiring
CN02
U1
N
U2
L
C3
B3 B2 B1 A3 A2 A1
C4

How to connect electrical wiring

1)

Basic wiring

N:
Power supply
L:
U1:
Inter-unit control wiring. (Low voltage)
U2:
C3: Auxiliary
C4: Ground for inter-unit control wiring
2)

Terminals for remote monitoring

A1: Input for turning on air conditioners concurrently.
A2: Input for turning off air conditioners concurrently.
A3: Common input for turning air conditioners on or off.
B1: On operation state indicator output.
B2: Alarm indicator output.
B3: Common indicator output.
DC24V
COM
Digital
Input
3-57
Control of 3-WAY ECO-i SYSTEM
Connector (CN02) for
weekly timer or schedule
timer (optional)
P.C. board
Fig. 3-45
( 50 Hz/60 Hz, 220 – 240 V)
SYSTEM CONTROLLER
A1
A2
TX
A3
B1
B2
B3
CX
1
2
3
4
5
6
7
8