V-163
C
ONTROL
S
YSTEMS
4) Installation
5) Control
No-power
contact signal input
Ex)Sensor, Card-key, Timer
220VAC, 3A
Indoor unit thermo
ON/OFF signal
Error signal
output
CN83
CN81
Connect
wire
Indoor unit PCB
• External operation input load :5VDC/5mA.
• The length of wiring between MIM-B14 and external control equipment is 100 m max.
• To control by external signal, K11 switch of indoor unit‘s PCB must be set to “OFF”.
• After installed,the first operation will be conducted with Auto mode, Set temp. 24 °C, Auto Fan speed.
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External contact line wiring
Control timing chart
External contact
input
Close Open Close Open
OFFON OFFON ON
Indoor unit
operation
Operation
delay
ON control
by remote controllers
❈ Control priority
External contact control = Remote controllers
(If Centralized controller is connected, control priority will be dominated by centralized control priority level.)
05-4~6_control systems(142~171 3/6/08 14:09 Page 163
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