External Output; Test Run; Error Codes; Error Display Mode - Fujitsu WOYK150LJL Installation Manual

• The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
Circuit diagram example
Outdoor unit control
PC board
CN131
Connection cable (option)
CN132
Connector
10.1.2. Low noise mode (CN131)
• This features reduces the operating sound of the outdoor unit from the normal sound.
The air conditioner is set to the "Low noise mode" when closing the contact input of a
commercial timer or ON/OFF switch to a connector on the outdoor control PC board.
* Performance may drop depending on the outside air temperature condition, etc.
* Set the "Low noise mode" level, refer to "9.1. Function settings".
Input Signal ···ON : Low noise mode
···OFF : Normal operation
Input Signal
ON
OFF
Low noise mode
ON
OFF
10.1.3. Peak cut mode (CN132)
• Operation that suppressed the current value can be performed by means of the
connected unit. The air conditioner is set to the Peak cut mode by applying the contact
input of a commercial ON/OFF switch to a connector on the outdoor control PC board.
* Set the "Peak cut mode" level, refer to "9.1. Function settings".
Input Signal ···ON : Peak cut mode
···OFF : Normal operation
Input Signal
ON
OFF
Peak cut mode
ON
OFF

10.2. External output

10.2.1. Wiring of connector
When installing connection cable, specifi ed part (UTY-XWZXZ3) must be used.
Output
Error status
Base heater control
* Make the distance from the PC board to the connected unit within 10m (33ft).
1) Power supply
• Voltage (Chart sign=Vcc) : DC 24V or less
2) Load
• Load : DC 500mA or less is recommended
10.2.2. Error status output (CN136)
Circuit diagram example
Outdoor unit control
Connection
PC board
cable
Connector
CN136
*10m (33ft)
En-13
Connected unit
(Locally purchased)
Example) Switch
*10m (33ft)
Signal
Connector
CN136
CN137
Connected unit
(Locally purchased)
Power
supply
Load
Signal
An air conditioner error status signal is produced when a malfunction occurs.
Error status
Error
Normal
Output signal
ON
OFF
10.2.3. Base heater control output (CN137)
This is the output signal for the base heater. The output signal is on, when the outdoor
temperature drops below 2 C, and signal is off when it rises to 5
o
Outdoor unit control
PC board
CN137
Connector
*: The allowable current is 1A or less.

11. TEST RUN

Always turn on the power 6 hours prior to the start of the operation in order to protect
the compressor.
Before performing the test run, make sure that the 3-way valve is open.
• Perform test run described in installation manual of indoor unit.

12.ERROR CODES

You can determine the operating status by the lighting up and blinking of the LED lamp.
LED display part
/
SW107 SW108 SW109 SW112 SW110

12.1. Error display mode

12.1.1. Display when an error occurs
POWER/
ERROR
MODE
●
Blink
(Hi speed)
(1) Check that the "ERROR" LED blinks, and then "short-press" the [ENTER] switch once.
12.1.2. Display while an error code is blinking
POWER/
ERROR
MODE
Blinks
Blinks
(Twice)
(2) The "POWER MODE" LED will blink twice and the "ERROR" LED will blink several times.
• The number of blinks of the "ERROR" LED varies according to the type of error. For
details, refer to the "Error code check table".
C.
o
Relay
DC power AC power
〜
Heater *
CAUTION
Button part
LOW NOISE PEAK CUT
(L1) (L2) (L3) (L4)
○ ○ ○ ○
LOW NOISE PEAK CUT
(L1) (L2) (L3) (L4)
○ ○ ○ ○
(L5)
○
(L5)
○