Sanyo DHX4852 - Manual (Page 62)

3-14
Control of W-2WAY ECO-i SYSTEM
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2. Wireless Remote Controller
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
AWG#20 to AWG#14.
* The maximum total length of
crossover cables must be no
longer than 1320 ft.
* *
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
AWG#20 to AWG#14.
* The maximum total length of
crossover cables must be no
longer than 660 ft.
* *
Wireless receiver
unit
Ground Ground Ground
Fig. 3-11
Fig. 3-12
S003
Bit 1: OFF ON
2-10. 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 during 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 indicator lamps
are blinking. Then remount and attach the PCB cover as
before.
To avoid placing excessive operating load on the equip-
ment, use this function only when conducting the test run.
The unit does not receive remote controller signals for ap-
proximately 1 minute after the power is turned ON. This is
not a malfunction. (The signals are received, but have no
immediate effect.)
NOTE
TD831138-02_W-2WAY.indb 14 2007/07/26 14:31:20