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7
Piping diagram
RZQS100,125,140DV1 (Triple)
Indoor unit
Heat exchanger
Field piping
Filter
Field piping
Indoor unit
Heat exchanger
Field piping
Filter
Field piping
Indoor unit
Heat exchanger
Field piping
Filter
Field piping
O
L
Check valve
Flare connection
RZQS125-140DV1 (Double twin)
Indoor unit
Heat exchanger
Filter
Indoor unit
Heat exchanger
Field piping
Filter
Field piping
Indoor unit
Heat
exchanger
Field piping
Filter
Field piping
Heat exchanger
Field piping
Filter
Field piping
O
L
Check valve
Flare connection
• Outdoor Units • R-410A • RZQS-DV1
Stop valve
(with service port 5/16' flare)
Field piping J9.5
Field piping J15.9
Branch duct
connection
Option
Note: 1. The pipes between the branch and the indoor units
should have the same size as the indoor connections.
M
N
Screw connection
Flange connection
Field piping
Field piping
Field piping
J9.5
Field piping
J15.9
Branch duct
connection
Option
Field piping J9.5
Field piping J15.9
Field piping
J9.5
Field piping
J15.9
M
N
Screw connection
Flange connection
• Split Sky Air • Outdoor Units
Electronic
expansion valve
Filter
Filter
4-way valve
High pressure
Low pressure
switch
sensor
Compressor
Accumulator
Outdoor unit
Heating
Cooling
P
Z
Pinched pipe
Spinned pipe
Electronic
expansion
valve
Filter
4-way valve
Low pressure
High pressure
sensor
switch
Compressor
Accumulator
Outdoor unit
Stop valve
(with service port 5/16' flare)
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
Service port
5/16"
3TW29165-3
Heat exchanger
Filter
Service
port
5/16"
Heating
Cooling
3TW29165-4
3
1
7
26
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