Unico IS18G050 iSeries Installation Instructions Manual

 Cooling Maximum conditions
Outdoor temperature :
Room temperature :
 Cooling Minimum conditions
Outdoor temperature :
Room temperature :
Outdoor - Indoor unit combination table
System Type Outdoor Unit
IS18G050
IS24G065
Single Split
IS30G080
IS36G110
IS18G050
IS24G065
IS30G080
Dual Split
IS36G110
IS24G065
IS30G080
Tri Split
IS36G110
IS30G080
Quad Split
IS36G110
Power Supply: 208-230V, 1 ph, ~ 60 Hz
Bulletin 30-121.019
(SAC 37.4255.109.02)
OPERATING LIMITS
122 °F (50°C) D.B.
90 °F (32°C) D.B.
73 °F (23°C) W.B.
5 °F (-15°C) D.B.
50 °F (10°C) D.B.
17 °F (6°C) W.B.
Indoor Unit Size Match
1 2
Circuit Circuit
B
B, C
B, C
B, C, D
A A
A B
A
B A
B
B
A
B A
B B
C A
A
B A
B B
C A
C B
B A
A A
A
B A
B B
A
B A
B B
B B
A A
B A
A A
B A
B B
B B

INSTALLATION INSTRUCTIONS

- Inverter Heat Pump System -
 Heating Maximum conditions
Outdoor temperature :
Room temperature :
 Heating Minimum conditions
Outdoor temperature :
Room temperature :
3 4
Circuit Circuit
A
A
A
A
A
A A
A
A
A A
A
A
B
A A
A A
A A
A A
A A
B A
1
75 °F ( 24°C) D.B.
65 °F (18°C) W.B.
91 °F (27°C) D.B.
-25 °F ( -32°C) D.B.
41 °F (5°C) D.B.
1, 2, 3, 4
= the refrigerant circuit
connections on the outdoor unit
A, B, C, D
= indoor unit size as
shown in the following table:
Size Indoor Unit Model Number
A IS12MPA
IS24MPB
B
U1218L-1EA2AX
C M2430BL1-EA2 + M2430CL-A
D M3036BL1-EA2 + M3036CL-A
Line set sizes on Page 4.
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