System Control (Fig. 10-1) - Mitsubishi Electric PUHZ-HRP-HA2 Installation Manual

10. System control (Fig. 10-1)

SW 1 - 3 ~ 6
ON
OFF
3 4 5
ON
SW 1 - 3 ~ 6
OFF
3 4 5
SW 1 - 3 ~ 6
ON
OFF
3 4 5
TB1 TB1
TB4 TB4 TB4
TB5 TB5
Fig. 10-1
Outdoor unit
Indoor unit
Master remote controller
6
Subordinate remote controller
Standard 1:1 (Refrigerant address = 00)
Simultaneous twin (Refrigerant address = 01)
Simultaneous triple (Refrigerant address = 02)
6
6
TB1
TB4 TB4 TB4
TB5
* Set the refrigerant address using the DIP switch of the outdoor unit.
Wiring from the Remote Control
This wire is connected to TB5 (terminal board for remote controller) of the indoor
unit (non-polar).
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
SW1
Function
Function table
1 Compulsory
<SW1>
defrosting
2 Error history
ON
SW1
OFF clear
function
1 2 3 4 5 6
3 Refrigerant
settings
4 system ad-
5 dress setting
6
.
Operation according to switch setting
ON OFF
Start Normal
Clear Normal
Settings for outdoor unit addresses
0 to 15
13