Before Test Run - Mitsubishi Electric PAC-ZC40L-E Installation Manual

7. Before test run

Before turning on the remote controller, first make sure that the remote controller, zone control interface, indoor unit, and outdoor unit have been installed properly accord-
ing to the instructions detailed in the respective manuals. Then, turn on the zone control interface and the air conditioner units.
7.1. Wiring check
(1) Communication check
Check that the LED on zone controller interface
Turn on the zone control interface and the air conditioner units. After 5 minutes,
please confirm that LED of the interface becomes in following state.
(2) Optional temperature sensor check
If the optional temperature sensors are connected, please confirm that LED of
the interface becomes in following state after confirming communication .
22
DIP SW setting
Item Display
LED1 The communication between Indoor unit and Zone
(Green) control interface is normal.
(1s)
Zone control interface cannot communicate with
Indoor unit. Please confirm the followings.
• The cable is connected to CN460 of Zone control
interface.
• The cable is connected to CN105 of Indoor unit.
LED2 The communication between Remote controller and
(Or- Zone control interface is normal.
ange)
(within 60s)
Zone control interface cannot communicate with
Remote controller.
Please confirm the followings.
• The cable is connected to TB3M of Zone control
interface.
• The cable is connected to Remote controller.
• Address of Remote controller(Main RC) is 101.(This
is default setting.)
DIP SW setting
Item Display
LED1 Optional temperature sensor 1 is connected.
(Green)
Optional temperature sensor 1 isn't connected.
Please confirm the followings.
• The cable is connected to CN201 of Zone control
interface.
• The cable is connected to optional temperature
sensor 1.
LED2 Optional temperature sensor 2 is connected.
(Orange)
Optional temperature sensor 2 isn't connected.
Please confirm the followings.
• The cable is connected to CN202 of Zone control
interface.
• The cable is connected to Optional temperature
sensor 2.
ON
OFF
Flashing (interval)
SW1
1 2 3 4 5 6 7 8
ON
OFF
Content
SW500
1 2 3 4 5 6 7 8
ON
OFF
Content