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9.1.1. Setting for low noise mode
(1) Switch to “Local setting mode” by pressing [MODE] button (SW107) for 3 seconds or more.
(2) Con fi rm (POWER / MODE) blinks 9 times, and press [ENTER] button (SW109).
POWER
MODE
ERROR
PUMP
DOWN
(L1)
LOW
(L2)
NOISE
(L3) (L4)
PEAK
CUT
(L5) (L6)
Blink
Sign “
○ ○ ○ ○ ○ ○ ○
(9 times)
○
”: Lights off, “
●
”: Lights on, () : Number of blinking
(3) Press [SELECT] button (SW108), and adjust LED display as shown below.
(Current setting is displayed)
LOW NOISE MODE
Sign “
○
”: Lights off
LOW NOISE
(L2) (L3)
○
Blink
(4) Press [ENTER] button (SW109).
LOW NOISE
(L2)
LOW NOISE MODE
Sign “
○
”: Lights off, “
●
”: Lights on
(L3)
○
●
(5) Press [SELECT] button (SW108), and adjust LED lamp as shown in below fi gure.
Level 1 (Low)
PEAK CUT
(L4) (L5) (L6)
○ ○
Blink
○
Blink
○
Level 2
Sign “
(Lower)
○
”: Lights off
The noise of Level 2 is lower than the one of Level 1.
(6) Press [ENTER] button (SW109) and fi x it.
PEAK CUT
Level 1
Sign “
(Low)
(L4) (L5) (L6)
○ ○
●
Level 2 (Lower)
○
●
○
○
”: Lights off, “
●
”: Lights on
(7) Return to “Operating status display (Normal operation)” by pressing [EXIT] button
(SW112).
• In case of missing how many times [SELECT] and [ENTER] button are pressed, restart from the beginning of operation procedure after returning to “Operation status display (normal operation)” by pressing the [EXIT] button once.
9.1.2. Setting for peak cut mode
(1) Switch to “Local setting mode” by pressing [MODE] button (SW107) for 3 seconds or more.
(2) Con fi rm (POWER / MODE) blinks 9 times, and press [ENTER] button (SW109).
POWER
MODE
ERROR
PUMP
DOWN
(L1)
LOW
(L2)
NOISE
(L3) (L4)
PEAK
CUT
(L5) (L6)
Blink
(9 times)
Sign “
○ ○ ○ ○ ○ ○ ○
○
”: Lights off, “
●
”: Lights on, () : Number of blinking
(3) Press [SELECT] button (SW108), and adjust LED lamp as shown below. (Current setting is displayed)
LOW NOISE
(L2) (L3)
PEAK CUT
Blink
Sign “
MODE
○
”: Lights off
(4) Press [ENTER] button (SW109).
○
LOW NOISE
(L2) (L3)
PEAK CUT
Sign “
●
○
MODE
○
”: Lights off, “
●
”: Lights on
(5) Press [SELECT] button (SW108), and adjust LED lamp as shown in below fi gure.
Level 1
Level 2
Level 3
Level 4
0% of rated input ratio
50% of rated input ratio
75% of rated input ratio
100% of rated input ratio
Sign “
○
”: Lights off
PEAK CUT
(L4) (L5) (L6)
○ ○
Blink
○
Blink
○
○
Blink Blink
Blink
○ ○
En-12
(6) Press [ENTER] button (SW109) and fi x it.
Level 1
Level 2
Level 3
Level 4
PEAK CUT
0% of rated input ratio
50% of rated input ratio
(L4) (L5) (L6)
○ ○
●
○
●
○
○
● ●
75% of rated input ratio
100% of rated input ratio
Sign “
●
○
”: Lights off, “
●
”: Lights on
○ ○
(7) Return to “Operating status display (Normal operation)” by pressing [EXIT] button
(SW112).
• When pressed number is lost during operation, restart from the beginning of operation procedure after returning to “Operation status display (normal operation)” by pressing the [EXIT] button once.
10. EXTERNAL INPUT AND OUTPUT
Outdoor unit PC board
CN136
CN137
CN131
CN132
10.1. External input
10.1.1. Wiring of connector
ON/OFF of the “Low noise mode”, and “Peak cut mode” functions can be enabled with an external fi eld device.
When installing connection cable, speci fi ed part (UTY-XWZXZ3) must be used.
Refer to section 9.1. Table. Settings List, for the required function. The function must be set for the external input to work.
Input
Low noise mode
Connector
CN131
Peak cut mode CN132
* Make the distance from the PC board to the connected unit within 10m (33ft).
•
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
Connected unit
(Locally purchased)
Ex.) Switch
CN131
CN132
Connection cable (option)
*10m (33ft)
Signal
Connector
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