Table of Contents
Advertisement
● Forced thermostat off function
["Edge" input only]
Connector
Ch3 of CNA03 or CNA04
5.6.2 External output
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (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
Indicator 1
Indicator 2
Indicator 3
Indicator 4
connected unit
● When connecting with unit equipped with a power supply
Connected
device 1
Connected
device 2
Connected
device 3
Connected
device 4
connected unit
Relay (Locally purchased)
Operation behavior
* If function setting "60" is set to "00"
Connector
External output 1
Pins 1-2
External output 2
Pins 1-3
CNB01
External output 3
Pins 1-4
External output 4
Pins 1-5
● Indoor unit fan setting for external heater
Fan setting when turning ON output to the connected external heater can be set by
changing Dip switch on PC board.
Fan setting when
Dip switch
ON is output to the
[SET2 SW3]
external heater
OFF
OFF
(Factory setting)
ON
En-9
Input signal
Command
OFF → ON
Thermostat off
ON → OFF
Normal
Output voltage
Status
0V
Stop
DC 12 V
Operation
0V
Normal
DC 12 V
Error
0V
Indoor unit fan stop
DC 12 V
Indoor unit fan operation
0V
External heater OFF
DC 12 V
External heater ON
Explanation
For the fan setting details, see the
Design & Technical Manual.
ON
6. FIELD SETTING
There are 3 methods for address setting by FIELD SETTING as follows.
Please set by either of the methods.
Each setting method is described in below (1) to (3).
(1) IU AD, REF AD SW settings: This section (6.1. Setting the address)
(2) Remote controller settings:
(3) Automatic address settings: Refer to the outdoor unit manual for detailed setting
6.1. Setting the address
Manual address setting method
P.C.B
The indoor unit address and the refrigerant circuit address can also be set up through the
wireless remote controller
CNB
Be sure to turn OFF the power before performing the field setting.
01
• Position and detail of the switches
You need to remove
the front panel. Refer to
"8. FRONT PANEL RE-
MOVAL AND INSTAL-
LATION".
P.C.B
CNB
01
• Please set it according to the following procedures when setting manually.
Use an insulated screwdriver to set the dip switches.
Be careful not to make mistakes for switch settings.
6.1.1 Indoor unit address
• Rotary switch (IU AD × 1)....Factory setting "0"
• Rotary switch (IU AD × 10)....Factory setting "0"
When connecting multiple indoor units to 1 refrigerant system, set the address at IU AD
SW as shown in the Table A
6.1.2 Refrigerant circuit address
• Rotary switch (REF AD × 1)....Factory setting "0"
• Rotary switch (REF AD × 10)....Factory setting "0"
In the case of multiple refrigerant systems, set REF AD SW as shown in the Table A for
each refrigerant system.
Set to the same refrigerant circuit address as the outdoor unit.
Setting
Indoor unit
address
Refrigerant
circuit address
• If working in an environment where the wireless remote controller can be used, the ad-
dresses can also be set using the remote controller.
• If setting the addresses using the wireless remote controller, set the indoor unit address
and refrigerant circuit address to "00".
(For information on setting using the wireless remote controller.)
Refer to the wired or wireless remote controller manual
for detailed setting information. (Set IU AD, REF AD
SW to 0)
information. (Set IU AD, REF AD SW to 0)
CAUTION
CAUTION
Setting range
Type of switch
Setting
0 to 63
example 2
Setting
0 to 99
example 63
For refrigerant
circuit address
For indoor unit
address
IU AD × 10
IU AD × 1
REF AD × 10
REF AD × 1
- Quick Links:
- Table of Contents
- Function Setting
- Error Codes
Hide quick links:
Advertisement
Table of Contents
