En-10
● When function setting is “Emergency stop” mode.
[In the case of “Edge” input]
Connector Input signal Command
Ch1 of CNA01 or CNA02
OFF → ON Emergency stop
ON → OFF Normal
[In the case of “Pulse” input]
Connector Input signal Command
CNA01 or CNA02
Ch1 OFF → ON Emergency stop
Ch2 OFF → ON Normal
* All indoor units of same refrigerant system stops when Emergency stop operates.
● When function setting is “ Forced stop” mode.
[In the case of “Edge” input]
Connector Input signal Command
Ch1 of CNA01 or CNA02
OFF → ON Forced stop
ON → OFF Normal
[In the case of “Pulse” input]
Connector Input signal Command
CNA01 or CNA02
Ch1 OFF → ON Forced stop
Ch2 OFF → ON Normal
* When the forced stop is triggered, indoor unit stops and Operation/Stop operation by a
remote controller is restricted.
* When forced stop function is used with forming a remote controller group, connect the
same equipment to each indoor unit within the group.
• Selection method of functions
“Operation/Stop” mode or “Emergency stop” mode, “Forced stop” mode can be selected
with function setting of indoor unit.
● Forced thermostat off function
[“Edge” input only]
Connector Input signal Command
Ch3 of CNA03 or CNA04
OFF → ON Thermostat off
ON → OFF Normal
(2) External output
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m.
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• Output voltage: Hi DC12V±2V, Lo 0V.
• Permissible current: 50mA
Output select
● When indicator etc. are connected directly
Operation
indicator
Error
indicatior
Indoor unit Fan
status indicator
connected unit
P.C .B
CNB
01
● When connecting with unit equipped with a power supply
CNB
01
P.C .B
Connected
device 1
Connected
device 2
Connected
device 3
connected unit Relay (Field supply)
Operation behavior
Connector Output voltage Status
CNB01
External output1
Pins 1-2
0V Stop
DC 12 V Operation
External output2
Pins 1-3
0V Normal
DC 12 V Error
External output3
Pins 1-4
0V Indoor unit fan stop
DC 12 V Indoor unit fan operation
(3) Connection methods
• Wire modifi cation
Remove insulation from wire attached to wire kit connector.
Remove insulation from fi eld supplied cable. Use crimp type insulated butt connector to
join fi eld cable and wire kit wire.
Connect the wire with connecting wire with solder.
IMPORTANT: Be sure to insulate the connection between the wires.
Option parts:
External input /output wire
Solder and insulate the connected parts.
Field supply
• Connection terminals and wiring arrangement
In following fi gure, all the possible connectors are connected for description.
In actual installation, you cannot connect all the connectors at once.
CNA02
CNA04
CNA03
Cable tie (Field supply):
Bind to the transmission cable
CNA01 CNB01
Transmission cable
7. FIELD SETTING
There are 3 methods for address setting by FIELD SETTING as follows.
Set by either of the methods.
Each setting method is described (1) to (3) below.
(1) IU AD
, REF AD SW settings
............. This section (7.1. Setting the address)
(2) Remote controller settings ...............
Refer to the wired or wireless remote controller
manual for detailed setting information. (Set IU
AD, REF AD SW to 0)
(3) Automatic address settings .............
Refer to the outdoor unit manual for detailed
setting information. (Set IU AD, REF AD SW to 0)
CAUTION
Be sure to turn OFF the power before performing the fi eld setting.
9371022253-01_IM.indb Sec1:109371022253-01_IM.indb Sec1:10 2012-7-12 14:34:442012-7-12 14:34:44
To Next Page
Loading...
Need help?
General
