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INSTALLATION INSTRUCTIONS
Allowing Piping Length and Drop Between Indoor and Outdoor (cont.)
Single way total pipe length
Single way pipe length
indoor and outdoor
branch pipe
When outdoor is only one,
please refer to "Outdoor pipe selection table"
be upgraded for one level.
(2)
Total Indoor Capacity kbtu/h(100W)
less than 114 (335)
more than114 (335), less than173 (506)
more than173 (506), less than 249 (730)
more than 249 (730)
Branch Pipe
Branch Pipe Selection
Outdoor Unit Type
The main unit will choose the closest one to the 1st branch pipe.
NOTES:
1. Please double check the pipe sizes at the gather fitting when installing multiple OD units.
2. Please adjust the piping sizes connecting the outdoor units according to the installation instructions or the selection
software.
3. Install the gather pipes either vertically or horizontally and not at angles.
4. Always purge copper lines with dry nitrogen when blazing to prevent copper oxidation and damage to system
components.
Adhesive side
22
(correspond length)
Outdoor is upper
Outdoor is lower
Model (optional)
FQG-R335A
FQG-R506A
FQG-R730A
FQG-R1350A
Prepare on field
All outdoors
horizontal)
Seal the connection and wrap the
heat insulator with adhesive tape
H2
31-5000573 Rev. 2
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