System Control (Fig. 8-1) - Mitsubishi Electric PU(H)-P-GAA Installation Manual

8. System control (Fig. 8-1)

E SW 1 - 3 ~ 6
ON
OFF
3 4 5 6
F SW 1 - 3 ~ 6 ON
OFF
3 4 5 6
G SW 1 - 3 ~ 6
ON
OFF
3 4 5 6
A E A F
TB1 TB1
TB4 TB4 TB4
B B B
2
2
TB5 TB5
1
C D
1
Fig. 8-1
A Outdoor unit
B Indoor unit
C Master remote controller
D Subordinate remote controller
E Standard 1:1 (Refrigerant address = 00)
F Simultaneous twin (Refrigerant address = 01)
G Simultaneous triple (Refrigerant address = 02)
A G
TB1
TB4 TB4 TB4
B B B
TB5
* Set the refrigerant address using the DIP switch of the outdoor unit.
1 Wiring from the Remote Control
This wire is connected to TB5 (terminal board for remote controller) of the indoor unit
(non-polar).
2 When a Different Refrigerant System Grouping is Used.
Up to 16 refrigerant systems can be controlled as one group using the slim MA re-
mote controller.
Note:
In single refrigerant system (twin/triple), there is no need of wiring 2.
SW1
Function table
1 Compulsory de-
frosting
<SW1>
SW1
2 Error history clear
function
ON
3 Refrigerant sys-
settings
OFF
tem address set-
4
1 2 3 4 5 6
ting
5
6
Operation according to switch setting
Function
ON
Start Normal
Clear Normal
Settings for outdoor unit ad-
dresses 0 to 15
OFF
9