System Piping Connection - York JVOHQ Series Installation & Maintenance Manual

6.4 System Piping Connection

Piping connection must be carried out for each outdoor unit.
NOTE:
Verify that the refrigerant piping is connected in the same refrigerant circulation system.
● Site preparation for the use of refrigerant piping.
Refer to the position as shown in Figure 6.1 when you connect the pipes
C
D
● Refrigerant piping directions.
Fix the refrigerant piping properly to avoid vibration and
external force on the stop valve.
(1) Refrigerant piping can be connected in three
directions of the outdoor unit:
Front: Connect the piping from the piping entrance
at the unit chassis and then run it through the front
opening of the chassis.
Bottom: Directly connect the piping from the piping
entrance at the unit chassis.
Rear: Connect the piping from the piping entrance
at the unit chassis and then run it through the rear
opening of the chassis.
(2) Operate the stop valve as per Clause 6.4.5.
(3) Refer to section 5.1 and "Installation and
maintenance manual" for piping connection.
(4) If the piping is connected from the front side of the
unit, the connection piping of the unit should be
sealed completely with thermal insulation tube so as
to prevent water or snow from entering into the unit.
(5) If the piping is connected from the bottom or rear
side of the unit, need apply thermal insulation tube
to the piping which is going through the bottom
of the unit, so as to prevent water or snow from
entering into the unit.
Liquid piping
connection
Gas piping
connection
B Liquid piping connection
A Gas piping connection
Figure 6.1 Refrigerant Piping Connection
Model A
JVOH080VPEMBQ 146
JVOH100VPEMBQ 146
JVOH120VPEMBQ 146
JVOH140VPEMBQ 146
JVOH160VPEMBQ 146
JVOH180VPEMBQ 146
JVOH200VPEMBQ 172
JVOH220VPEMBQ 172
JVOH240VPEMBQ 172
Front side
Liquid pipe
Seal the pipe with
cotton insulation and
ensure no gap exists
25
(mm)
B C D H
129 268 331 389
129 268 331 389
129 268 331 389
126 268 331 389
126 268 331 389
126 268 331 389
153 431 495 389
153 431 495 389
153 431 495 389
Rear side
Chassis
Bottom side
Gas pipe
Piping baffle