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22 31-5000573 Rev. 2
ENGLISH
INSTALLATION INSTRUCTIONS
Allowing Piping Length and Drop Between Indoor and Outdoor (cont.)
please refer to "Outdoor pipe selection table"
be upgraded for one level.
(2) 7KHGLVWDQFHEHWZHHQWKHIXUWKHVWLQGRRUXQLWDQGWKHQHDUHVWRQHIWP
,WHP0RGHO All outdoors
Single way total pipe length IWPFRUUHVSRQGOHQJWK ///««/
Single way pipe length
0D[IWIWPP
(correspond length)
//
//////
0DLQSLSHEHZHHQRXWGRRUWRVWEUDQFK 0D[IWPFRUUHVSRQGOHQJWK /
indoor and outdoor
Outdoor is upper 0D[IWP +
Outdoor is lower 0D[IWP +
V\VWHP
:LWKLQIWPEHWWHUEH
horizontal)
+
0D[SLSHOHQJWKIURPVWEUDQFKSLSHWRLQGRRU 0D[IWP /////
0D[IWP H2
0D[SLSHOHQJWKEHWZHHQLQGRRUVDQGWKHQHDUHVW
branch pipe
0D[IWP
When outdoor is only one,
6LQJOHZD\PD[SLSHOHQJWK //////IWP
6LQJOHZD\WRWDOSLSHOHQJWK //««/
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
Prepare on field
Seal the connection and wrap the
heat insulator with adhesive tape
Total Indoor Capacity kbtu/h(100W) Model (optional)
less than 114 (335) FQG-R335A
more than114 (335), less than173 (506) FQG-R506A
more than173 (506), less than 249 (730) FQG-R730A
more than 249 (730) FQG-R1350A
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