SPAFP
104
CN1
1
2
1
2
1
2
(main)
(sub)
Indoor
unit
Control unit
Remote controller
terminal board
Ground
Remote control wiring (field supply)
(optional)
(optional)
Wireless receiver unit
Wired remote controller
When 1 indoor unit is operated with 2 remote controllers:
(The indoor unit runs according to which of the remote controllers is assigned as the main or sub unit.)
* Use field wiring cables with a
cross-sectional area of at least
0.5mm
2
to 2mm
2
.
* The maximum total length of
crossover cables must be no
longer than 400m.
*
*
CN1
(optional)
1
2
2
1
2
1
2
1
2
1 2
(optional)
1
Indoor
unit No. 1
Receiver
unit
Ground
Remote controller
terminal board
Indoor
unit No. 2
Indoor
unit No. 3
Indoor
unit No. 4
(main)
(sub)
Remote control
wiring among the
control groups
(field supply)
Wired remote
controller
When several groups of indoor units are operated with 2 remote controllers:
(The remote controller (main or sub unit) can operate with any indoor unit.)
* Use field wiring cables with a
cross-sectional area of at least
0.5mm
2
to 2mm
2
.
* The maximum total length of
crossover cables must be no
longer than 200m.
*
*
Wireless receiver
unit
Ground
Ground
Ground
Fig. 11-11
Fig. 11-12
11-10. How to Use the Test Run Setting
1. Set DIP switch [S003] No. 1 on the wireless
receiver unit PCB from OFF to ON.
2. All indicator lamps in the display section blink dur-
ing test run operation.
3. No temperature control is available during the test
run.
4. After the test run, be sure to reset DIP switch No.
1 back to the OFF position and check that no indi-
cator lamps are blinking. Then remount and attach
the PCB cover as before.
●
To avoid placing excessive operating load on the
equipment, use this function only when conducting
the test run.
●
The unit does not receive remote controller signals
for approximately 1 minute after the power is
turned ON. This is not a malfunction. (The signals
are received, but have no immediate effect.)
NOTE
S003
Bit 1: OFF ON
04-393 DC INV Tech p 64-110 12/13/04 11:35 AM Page 104
