48
MULTI V S System Installation Manual
Due to our policy of continuous product innovation, some specifications may change without notification.  
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Accessing the Power Wiring and Communications Cable Connections
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sunlight. When the panel is off, cover the temperature sensor to protect it from any direct 
sunlight.
Panel
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Access Panel.
1.  Remove all of the screws that hold the side panel to the outdoor unit frame. 
2.  Detach panel from outdoor unit chassis by pulling the panel forward. 
3.  Locate the control box on the right side of the outdoor unit frame. Remove the control box 
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Outdoor unit terminal block is located immediately below the control box. 
4.  Connect the indoor unit to outdoor unit communication cables to the correct terminals on 
the outdoor unit terminal block. 
5.  When connecting the indoor unit to outdoor unit communication cable with a shielded 
cable, connect the ground wire to the outdoor unit ground terminal only.
Indoor Communications PCB
Main PCB
Terminal block 
PI-485 PCB
(Inside the Control Box)
 (Inside the Control Box)
Insulation
Sleeves 
Attachment 
Power / Ground Wiring
View A
Communication
Cable
More than 2
inch Gap
ODU to IDU
Communication 
Cable
Power Wiring Holder
Communication 
Cable
Main Power 
Terminal Block
Communications
Cable Holder
Ground Wiring
Attach Firmly 
A
Right Side View Front Side View
More than 2
inch Gap
Power / Ground Wiring
Power / 
Ground Wiring
Communication
Cable
Attach Firmly 
Figure 55: Power Wiring / Communications Cable Paths and  
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Figure 56: Locations of the Different Outdoor Unit PCBs.
WIRING
Outdoor Unit Power Wiring and Cable Connections