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System Control (Fig. 9-1); Low Ambient Cooling - Mitsubishi Electric PUZ-A18-NHA6 Para El Instalador

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9. System control (Fig. 9-1)

E SW 1 - 3 ~ 6
ON
OFF



F SW 1 - 3 ~ 6
ON
OFF



G SW 1 - 3 ~ 6
ON
OFF



A E
A
F
TB1
TB1
TB4
TB4
TB4
B
B
2 2
2 2
TB5
TB5
1 1
C
D
1 1 1
Fig. 9-1
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Precautions for low ambient cooling
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°F or lower.
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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 twin (Refrigerant address = 02)


A
G
TB1
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
remote controller.
Note:
In single refrigerant system (twin), there is no need of wiring 2 .
SW1
Function
Function table
1 Compulsory
6:!
defrosting g
2 Error history
ON
SW1
clear
OFF
function
1 2 3 4 5 6
3
Refrigerant
settings
4
system
5
dress setting
6
Operation according to switch setting
p
g
ON
OFF
Start
Normal
Clear
Normal
Settings for outdoor unit addresses
ad-
0 to 15
g
11

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