Feature Settings - Mitsubishi Electric Fresh Master GUF-50RDH4 Installation Instructions Manual

9. Feature settings

Caution:
* Always turn off the main power supply.
9.1. Address setting
(Determining the address depends on the own-site system. Please
Remove the control box cover.
Turn the address setting switch on the board using a Phillips screw-
driver.
- The left side (SW12) shows the second digit and the right side
- The switch is set to 00 when factory shipped.
- Set the address between 1 and 50.
9.2. When using an R2 series external
unit, setting for the branch No. is
also required.
Turn the branch controller No. setting switch (SW14) on the board
using a Phillips screwdriver.
- Set the refrigerant pipe of the external unit and the connected
branch controller to the same number.
- The switch is set to 0 when factory shipped.
SW12 SW11
Second digit First digit
9.3. Feature select switches
(SW1, SW3, SW2)
* When shipped from the factory
SW1
OFF ON
Fan test operation switch (test operation when ON)
1
Filter maintenance display (displayed when ON)
2
3
Filter maintenance time setting switch
4
5
Do not touch
6
Damper motor test operation (test operation when
7
ON)
8
9 Auto-recovery during power failure (active when on)
10
Power supply ON/OFF (test operation when on)
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
SW14
6
7
8
9
10
Branch No.
1
2
3
4
5
6
7
8
9
10
Notes:
SW3 ---- GUF-50, 100RDH4
OFF ON
Synchronous air-conditioning switch (async when
ON)
Heater operation during synchronous operation/
stop temperature switch
Exhaust fan operation when supply fan is stopped
(exhaust fan also stopped when ON)
Do not touch
Do not touch
SW3 ---- GUF-50, 100RD4
OFF ON
Synchronous air-conditioning switch (async when
ON)
Do not touch
Exhaust fan operation when supply fan is stopped
(exhaust fan also stopped when ON)
Do not touch
Room temperature detected at main unit is decreased
Room-temperature sensor location (OFF: main
Do not touch
SW2
OFF ON
Do not touch
Fan speed control method select switch
Do not touch
17