Sanyo SPW-CR903GDCH8 - Page 133

Control of W-ECO MULTI SYSTEM
3
TD831077
III - 75
2. Optional Controller (AMY adapter)
(2) Connecting control wires.
Use two-core, 0.5 mm
2
to 1.6 mm
2
lead wires for
both AMY control and inter-unit control wires. The
limited length of control wire is 1,000 m in total. The
control wire has no polarity.
¶ Do not thread the AMY
control and inter-unit
control wires through a
metallic pipe with power
cord.
¶ Do not wire the power
cord and the control wires
together in a same cable
or do not wire the power
cord near the control
wires. Both AMY control
and inter-unit control
wires shold be different
from power code.
CAUTION
7 Wiring diagram
AMY and inter-unit control wiring for AMY adapter
should be wired as shown below.
¶ When using adapter kit:
Only one AMY adapter can be connected.
AMY
control
wire
AMY adapter
Inter-unit
control wire
Adapter kit
HOST
1857_M_I
TB1
1
3
Transformer
Nylon clamper
(TYPE 8)
Grounding terminal
AC 220-240 V field supplied
power cord
Screw for fixture
TB1
1
DDR-3500 MAIN-2
4
1856_M_I
¶ MVVS or CPEVS: Shield wire from 0.5 mm
2
to 1.6 mm
2
¶ Use shielded wires for inter-unit control wiring and
ground the sheilded on both side (See below),
otherwise misoperation from noise may occur.
¶ When using S-DDC:
Up to 32 AMY adapters can be connected.
AMY
control
wire
AMY
control
wire
AMY
control
wire
AMY
control
wire
AMY adapter
Inter-unit
control wire
AMY adapter
W: Power consumption pulse meter
W
AMY adapter
Inter-unit
control wire
S-DDC
HOST
1858_M_I
Shielded wire
0797_M_I
ground
ground