Toshiba RAV-DXC010 - Page 5

4
LC DX Interface
Installation Manual
Design Conditions for customers DX Coil
• The DX-Coil MUST be operated within the following limits to ensure reliability:-
o Cooling mode DX coil “air on” temp: Min: 15°CWB (18°CDB) ~ Max: 24°CWB (32°CDB)
o Heating mode DX coil “air on” temp: Min: 15°CDB ~ Max: 28°CDB
• When used for Ventilation, the DX-Coil MUST be combined with other equipment such as heat recovery exchanger or heaters /
coolers to ensure that the CA limits are not exceeded:-
EA
SA
EA
Exhaust Air
OA
Outdoor Air
OA
RA
SA
Supply Air
Heat Recovery
Exchanger
DX COIL
CA
Coil Air (After Heat Recovery Exchanger)
CA
RA
Return Air
Recommended No. of Ref. Circuit by DX-Coil U-Pipe Dia. and DX Coil Size (HP)
U-Pipe
HP
No. of Circuits
Diameter
Min
Max
8.00
2
2
3
3
3
5
4
4
7
5
5
8
6
6
10
8
8
12
10
10
14
9.52
2
2
2
3
3
3
4
3
5
5
4
6
6
5
7
8
6
10
10
8
12
12.70
2
1
1
3
2
2
4
2
3
5
3
3
6
3
4
8
4
6
10
5
7
IP65
If the wiring is properly carried out by a specialist according to the local regulations, the device fulfills the protection class
IP65.
Automatic Mode
Please be aware that frequent mode changes could occur when using Automatic mode