Field Setting; Pc Board Layout; Address Setting; Function Setting - Fujitsu Airstage UTP-RU01AH Installation Manual

7.3.4. Work procedure
(1) Remove the control box cover.
(2) Connect the transmission cable to
the transmission cable terminal.
(3) Firmly attach the transmission
cables using the accessory cable
tie. (in 2 places)
(4) Attach the conduit connector on
the wiring connecting port.
(5) Connect the power supply cable to
the power supply cable terminal.
(6) Fill the cable holes with putty in
order to prevent small animals
from entering.
(7) Install the Control box cover.
Conduit connector
Wiring connecting port
(4) Conduit connector
(L1, L2 (N):
Power supply cable)
Lock nut
To indoor unit
Transmission
cable
To outdoor unit /
other RB unit
(2)
Transmission calbe
To indoor unit
(cooling / heating)
To outdoor unit / other
RB unit / indoor unit
(Cooling only)
(3)
• Fix the conduit with the supporters as shown below.
Conduit (Power supply cable)
RB unit
30 in 54 in
(756 mm) (1,361 mm)
or less or less
(1)
Power supply
terminal
Lock nut
Earth
(5)
(Ground)
(6)
Supporter
54 in 54 in
(1,361 mm) (1,361 mm)
or less or less

8. FIELD SETTING

Use an insulated screwdriver to set the dip switches.

8.1. PC board layout

(1)
• Before turning ON the power supply, set the switches. (The switch settings will be dis-
abled after the power supply has been turned ON.)
PC board
DIP switch
SET1
DIP switch
SET2
Rotary switch

8.2. Address setting

(1) RB unit address
When connecting multiple RB units to 1 refrigerant system, set the address at RB
AD SW.
Rotary switch (RB AD × 1)...Factory setting "0"
Rotary switch (RB AD × 10)...Factory setting "0"
(2) Refrigerant circuit address
In the case of multiple refrigerant systems, set REF AD SW
for each refrigerant system. Set to the same refrigerant circuit address as the
outdoor unit.
Rotary switch (REF AD × 1)...Factory setting "0"
Rotary switch (REF AD × 10)...Factory setting "0"
Setting
 Manual address setting
Setting
example
RB unit address
 Automatic address setting*
Set this switch to 00 at factory setting.
 Manual address setting
Setting
example
Refrigerant
circuit address
 Automatic address setting*
Set this switch to 00 at factory setting.
* For details of automatic address setting, please refer to the outdoor unit installation
manual.

8.3. Function setting

Set the DIP switch SET2, referring to the table.
(1) Operation mode selecting switch
SET 2
1 2
OFF OFF Priority given to the fi rst command
Priority given to external input of RB
ON OFF
unit
Priority given to administrative
OFF ON
indoor unit
ON ON
(2) Cool/heat selection control time
SET 2
Cool/heat selection control time
3 4
OFF OFF
ON OFF
OFF ON
ON ON
• If the cool/heat selection control time is short, the sound of passing refrigerant may
be loud during the cool/heat selection control process.
• Settings other than those in specified positions are not to be changed.
CAUTION
Rotary switch
Power indicator
lamp (Green)
Error indicator
lamp (Red)
DIP switch SET1
(setting disabled)
External Input
connector
CNA01
DIP switch SET2
CNA02
Type of switch
"2"
RB AD × 10 RB AD × 1
"63"
REF AD × 10 REF AD × 1
Operation mode
Factory setting
Setting forbidden
6 min Factory setting
3 min
Setting forbidden
Setting forbidden
Setting range
0 to 63
0 to 99
Remarks
Remarks
En-10