Table of Contents
Advertisement
P.C.B
+
CN136
1
(Black)
or CN137
2
(Blue)
*7
*5: Provide a DC12 to 24V power supply.
Select a power supply capacity with an ample surplus for the connected load.
*6: The allowable current is 30mA or less.
Provide a load resistance such that the current becomes 30mA or less.
*7: Polarity is [+] for pin 1 and [-] for pin 2. Connect correctly.
Do not impress a voltage exceeding 24V across pins 1-2.
2
* A twisted pair cable (0.33mm
(22AWG)) should be used. Maximum length of cable is 150m.
* Use an external input and output cable with appropriate external dimension, depend-
ing on the number of cables to be installed.
6. 6. 4.
Base heater terminal
This is the output signal for base heater. Output signal ON, when the outdoor tempera-
ture goes down below 2°C, and signal OFF at the outdoor temperature 4°C.
P.C.B.
1
Voltage: power supply
2
input voltage
3
cable
2
(0.82mm
(18AWG))
4
CN115
(Black)
*8
* 8: Connect to pin 1 and pin 3. No connection pin2 and pin4.
* 9: The allowable current is 1A or less.
En-13
DC power supply
*5
(External) 12 - 24V
+
-
Connected load
(Operation Indicator
or Error Indicator)
*6
connected unit
Base heater *9
7. FIELD SETTING
Discharge the static electricity from your body before setting up the DIP switches.
Never touch the terminals or the patterns on the parts that are mounted on the PC
board.
7. 1.
Field setting switches
Remove the service panel of the outdoor unit and the cover of the electrical component
box to access the PC board of the outdoor unit.
PC board switches for various settings and LED displays are shown in the fi gure.
7. 2.
DIP switch setting
7. 2. 1.
List of Settings
SET5 must be set for the DIP switch.
Confi gure the settings before turning on the power. Settings for SET1, SET2, SET3 and
SET4 DIP switches are factory setting ones. Do not change them.
DIP Switch
SET1
1-4
Forbidden
SET2
1-4
Forbidden
SET3
1-4
Forbidden
SET4
1-4
Forbidden
1-3
Forbidden
SET5
4
Terminal resistor setting
Outdoor unit printed circuit board
CAUTION
Function
7 Segment
LED lamp
display
Rotary switch
POWER
ERROR
MODE
LED101
LED102
(GREEN)
(RED)
REF AD
LED105
LED104
SW105
SW106
X 10
X 1
MODE
SET 1
SET 2
SET 3
SELECT ENTER
/EXIT
SW101
SW102
SW103
SW107 SW108 SW109
DIP switch
Push button
SET5
SET 4
SW104
Advertisement
Table of Contents
