Design Technical Manual

Table Of Contents
OUTDOOR UNIT BRANCH KIT
System Model Q'ty
2 outdoor units
UTP-DX567A
1
3 outdoor units 2
¾
When using single outdoor unit, outdoor unit branch kit is not necessary.
INDOOR BRANCH KIT
z
RB unit
Total cooling capacity of indoor unit
(Btu/h)
RB unit
4,000 ≤ x ≤ 27,000 UTP-RU01AH
4,000 ≤ x ≤ 60,000 UTP-RU01BH
4,000 ≤ x ≤ 96,000 UTP-RU01CH
4,000 ≤ x ≤ 60,000 (for 1 branch)
x ≤ 191,000 (Sum total of 4
branches) *1
UTP-RU04BH
*1:
In case of two RB units connected in series ( total 8-branches ), maximum capacity of connectable indoor
units is up to 191,000 Btu/h.
z
Separation tube
Total cooling capacity of
indoor unit (x)
(Btu/h)
Separation tube
for 2 pipes for 3 pipes
x < 96,500 UTP-AX090A UTP-BX090A
96,500 ≤ x < 193,000 UTP-A X180A UTP-BX180A
193,000 ≤ x UTP-AX567A UTP-BX567A
z
Header
Total cooling capacity of
indoor unit (x)
(Btu/h)
Header
for 2 pipes for 3 pipes
3-6 Branches 3-8 Branches 3-6 Branches 3-8 Branches
x < 96,500 UTR-H0906L UTR-H0908L UTP-J0906A UTP-J0908A
96,500 ≤ x < 193,000 UTR-H1806L UTR-H1808L UTP-J1806A UTP-J1808A
¾
“Total Cooling Capacity of Indoor Unit” is the sum of all the cooling capacities of all units
connected downstream .
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SYSTEM
DESIGN
SYSTEM
DESIGN