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7
Piping diagram
RZQS71-140DV1 (Pair)
1
7
Heat exchanger
Filter
Indoor unit
O
L
Check valve
Flare connection
RZQS71-140DV1 (Twin)
Heat exchanger
Filter
Indoor unit
Heat exchanger
Filter
Indoor unit
O
L
Check valve
Flare connection
25
• Outdoor Units • R-410A • RZQS-DV1
Field piping J9.5 C1220T-0
Field piping J15.9 C1220T-0
Stop valve
(with service port 5/16' flare)
M
N
Screw connection
Flange connection
Field piping
Field piping
Field piping J9.5
Branch duct
connection
Option
Field piping J15.9
Field piping
Field piping
Stop valve
(with service port 5/16' flare)
M
N
Screw connection
Flange connection
• Split Sky Air • Outdoor Units
Electronic
expansion
valve
Filter
4-way valve
High pressure
Low pressure
switch
sensor
Compressor
Accumulator
Outdoor unit
P
Z
Pinched pipe
Spinned pipe
Electronic
expansion valve
Filter
4-way valve
High pressure
Low pressure
switch
sensor
Compressor
Accumulator
Outdoor unit
Note: 1. The pipes between the branch and the indoor units should have the same size as
the indoor connections.
P
Z
Pinched pipe
Spinned pipe
Heat exchanger
Filter
Heating
Cooling
Filter
Heat exchanger
Service port
Heating
Cooling
Service port
5/16"
3TW29165-1
5/16"
3TW29165-2
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