ICC / ICU SYSTEM INSTALLATION MANUAL
January2005: E\Manuals\Others\Qualitair\ICC\0412115B
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7. GENERAL SERVICE CONNECTIONS CONT
Table 7.3 – ICC Refrigerant Connections
ICC25 ICC35 ICC50 ICC60 ICC70
Liquid
connections
1/4” 1/4” 1/4” 3/8” 3/8”
Suction connections
1/2” 5/8” 5/8” 3/4” 3/4”
Table 7.4 – ICU Refrigerant Connections
ICU30
ICU40
ICU55
ICU80
Liquid
connections
1/4” 1/4” 1/4” 3/8”
Suction
connections
5/8” 5/8” 5/8” 3/4”
Table 7.5 – Interconnecting Cable – No. of Cores
ICC/ICU30 ICC/ICU40 ICC/ICU55 ICC/ICU80
A/C
Unit 4 4 4 4
A/C Unit + Heaters
4
4
4
4
Table 7.7 – Mains Power Cable – No. of Cores
ICC/ICU30 ICC/ICU40 ICC/ICU55 ICC/ICU80
Single Phase System
230/240 V 50 Hz
3 3 3 3
Three Phase System
380/415 50Hz
N/A N/A N/A 5
Table 7.8- System Fuse Ratings – HRC
ICC/ICU30 ICC/ICU40 ICC/ICU55 ICC/ICU80
A/C Unit
10
10
16
20 (10)*
A/C Unit + Heaters
16
16
16
20 (20)*
*Figures in brackets are for three phase condensing units
SPECIAL NOTES :
See Section 11 for interconnecting pipe sizes over 5m.
