Eaton-Williams Qualitair QLC, Installation Manual

Page: 10 / 16

General Service Connections
* Figures in brackets are for three phase condensing units.
Eaton-Williams
Low Temperature DX Cassette
Page 10
QLC/ICU
Document 0412124
Issue 2.1 05/06
0
I
10
20
30
F
E A B
C
D
G
H
General Service Connections
A - Liquid Line Sizes QLC10 QLC15 QLC20
Run <15 m
1
/
4
”
1
/
4
”
3
/
8
”
15 m - 30 m
1
/
4
”
3
/
8
”
3
/
8
”
B - Suction Line Sizes QLC10 QLC15 QLC20
Direction of run H V H V H V
Run <15 m
5
/
8
”
1
/
2
”
5
/
8
”
5
/
8
”
3
/
4
”
3
/
4
”
15 m - 30 m
5
/
8
”
1
/
2
”
3
/
4
”
5
/
8
”
7
/
8
”
3
/
4
”
C - QLC Refrigerant Connections QLC10 QLC15 QLC20
Liquid Connections
1
/
4
”
1
/
4
”
3
/
8
”
Suction Connections
5
/
8
”
5
/
8
”
3
/
4
”
D - ICU Refrigerant Connections QLC10 QLC15 QLC20
Liquid Connections
1
/
4
”
1
/
4
”
3
/
8
”
Suction Connections
5
/
8
”
5
/
8
”
3
/
4
”
E - Interconnecting Cable - No. of Cores QLC10 QLC15 QLC20
A/C Unit 4 4 4
A/C Unit + Heaters 4 4 4 (6)
F - Controller Cable - No. of Cores QLC10 QLC15 QLC20
A/C Unit 4 4 4
A/C Unit + Heaters 5 5 5
G - Mains Power Cable - No. of Cores QLC10 QLC15 QLC20
Single Phase System (230V 50Hz) 3 3 3
Three Phase System (415V 50Hz) N/A N/A 5
H - System Fuse Ratings - HRH (AMPS/Phase) QLC10 QLC15 QLC20
A/C Unit 10 16 20 (10)*
A/C Unit + Heaters 16 20 20 (10)*