9
To
indoor
unit
To
outdoor
unit
Refrigerant Flow Direction
Liquid pipe
Gas pipe
To
indoor
unit
To
outdoor
unit
Refrigerant flow direction
Liquid pipe
Gas pipe
Fig. 11 – Allowed Refrigerant Flow Direction
Refrigerant Flow Direction
Refrigerant Flow Direction
Fig. 12 – Refrigerant Flow Direction Not Allowed
S
Once location and flow direction is identified, connect
piping between indoor unit and TXV kit. Flexible piping
is recommended.
!
CAUTION
Failure to follow the following caution may result in equipment
damage or improper operation.
Insulate liquid and vapor pipes connecting to indoor and
outdoor units.
Fixing point for kit
Flexable pipings
(Field supply)
TXV Kit
Fig. 13 – TXV kit placement when affixed to indoor unit body
Wall-mounted installation
Ceiling installation
Fig. 14 – TXV kit affixed to indoor unit body
Piping connection ports
(Gas side and liquid side)
Connect to
interconnection pipings
Field pipings
(Field Supplied)
TXV Kit
Fig. 15 – TXV kit not affixed to indoor unit body