ICU CONDENSING UNIT INSTALLATION MANUAL
September2003:E\Manuals\Others\Qualitair\ICC\0412118
7
5. GENERAL SERVICE CONNECTIONS
Figure 5.1 – Unit Connections and Interconnections
SPECIAL NOTES
CHECK LOCAL REGULATION FOR INDOOR / OUTDOOR ELECTRICAL ISOLATION REQUIREMENTS AND
REFRIGERATION PIPEWORK STANDARDS.
Refrigerant Connection Sizes – Refer to Section 8 for Extended Pipework
ICU30 ICU40 ICU55 ICU80 ICU100 ICU135
ICU170
Liquid 7.1
1/4"
1/4"
1/4"
3/8”
3/8”
3/8”
1/2"
Suction
7.2 5/8” 5/8” 5/8” 3/4” 3/4” 7/8” 7/8"
Mains Power Cable – No of Cores
ICU30 ICU40 ICU55 ICU80 ICU100 ICU135
ICU170
Single Phase System
3 3 3 3 3
N/A
N/A
Three Phase System
N/A
N/A
N/A
5
5
5
5
ICU 1 Phase Fuse Rating
ICU30
ICU40
ICU55 ICU80
ICU100
Run Current(A)
2
6.6
10.6
16.1
25
Locked Rotor Current (A)
28
28
53
82
114
HRC Fuse Rating (A)
10
10
16
20
32
ICU 3 Phase Fuse Ratings – (AMPS/Phase)
ICU80
ICU100
ICU135 ICU170
Run Current (A)
6
7.5
11
15.5
Locked Rotor Current (A)
33
49
62
95.8
HRC Fuse Rating (A)
10
16
20
32
7.1 – Liquid Connections
7.2 – Suction Connections
7.4 - Condensing Unit
7.5 – Interconnecting Cable
7.7 – Power Cable
7.8 – Isolator / Fuses
