Function Setting - Mitsubishi Electric CITY MULTI Y Serie Manual De Instalación

11-2. Function setting

Make function settings by setting the dipswitches SW4, SW6, and SWP3 on the main board.
Write down the switch settings on the electrical wiring diagram label on the control box front panel for future reference
when the control box needs to be replaced.
・Take the following steps to make snow sensor settings (Snow sensor control will not function when the outdoor
temperature sensor (TH7) reading is 6ºC (43ºF) or above.) and panel heater setting.
① Set the 10th bit of SW6 to ON.
② Set SW4 as shown in the table below to select the setting item No.933, 934, or 974. (The setting item No. will be
displayed on LED1.)
③ Press SWP3 for two seconds or longer to change the settings. (The settings can be checked on LED3.)
Setting item
No.
933
Snow sensor
setting
934
Panel heater
974
output
*1 Make the SW4 setting after the unit is energized.
*2 This will blink while the system is starting up.
・Make various function settings by setting SW5 and SW6, referring to the table below.
Setting content
SW5-1 Centralized control switch
SW5-2 Deletion of connection information
SW5-3
SW5-4
SW5-5
SW5-6
SW5-7
SW5-8
Setting content
SW6-1
SW6-2
SW6-3
SW6-4
High static pressure setting
SW6-5
SW6-6
SW6-7 Low-noise mode selection
SW6-8 Selection of Low-noise or Demand
SW6-9
Selection of Diagnostic display or
Function detail setting
SW6-10
* Do not change the factory settings of SW5-3 through SW5-8.
* Unless otherwise specified, leave the switch to OFF where indicated by "–," which may be set to OFF for a reason.
*1
SW6-5: ON
SW6-4: ON 80 Pa
SW6-4: OFF 30 Pa
*2
SW6-9: ON LED (round type) No. 0 to 1023
SW6-9: OFF Function setting No. 0 to 1023
SW4 0: OFF, 1: ON *
1 2 3 4 5 6
1 0 1 0 0 1
0 1 1 0 0 1
0 1 1 1 0 0
Without connection to the
centralized controller
Normal control
–
–
–
–
–
–
–
–
–
Refer to *1.
–
Performance priority
Low-noise (Night)
Refer to *2.
SW6-5: OFF
60 Pa
0 Pa
SW6-10: ON
LED (7seg) No. 1024 to 2047
1
7 8 9 10
0 1 1 1 No. 934 ineffective
0 1 1 1 Continuous fan operation
1 1 1 1 No. 974 ineffective
Setting
OFF ON
With connection to the
centralized controller
Deletion
Preset before shipment
Setting
OFF ON
– –
– –
– –
Refer to *1.
– –
Low-noise priority
Demand
Refer to *2.
SW6-10: OFF
LED (7seg) No. 0 to 1023
Setting (LED3 display) * 2
Unlit
No. 934 effective
Intermittent fan operation
No. 974 effective
Switch setting timing
Before being energized
Before being energized
–
–
–
–
–
–
Switch setting timing
–
–
–
Before being energized
–
Any time after being energized
Before being energized
Any time after being energized
Lit