Installation
UNT-SVX10G-E452
Table 14 - Pressure drop through the valves - FCD
Cooling / Heating - 2-pipe coil
Heating (4-pipe coil)
Table 15 - Pressure drop through the valves - FED
Cooling / Heating - 2-pipe coil
Heating (4-pipe coil)
Unit size
101/103
203/204
304/306
406/408
508/512 612/721
Connections (inches) 1/2 1/2 3/4
2-way on/off control Kv valve 1.6 1.6 2.5
2-way ZN 523 control Kv valve 1.0 1.6 2.5
3-way on/off control Kv valve 1.6 1.6 2.5
3-way ZN523 control Kv valve 1.0 1.6 2.5
Connections (inches) 1/2 1/2 1/2
2-way on/off control Kv valve 1.0 1.0 1.0
2-way ZN 523 control Kv valve 1.0 1.0 1.0
3-way on/off control Kv valve 1.0 1.0 1.0
3-way ZN523 control Kv valve 1.0 1.0 1.0
Unit size 100/200 300/400
500 600
Connections (inches) 1/2 1/2 1/2 3/4
2-way on/off control Kv valve 1.6 1.6 1.6 2.5
2-way ZN 525 control Kv valve 1.0 1.6 1.6 2.5
3-way on/off control Kv valve 1.6 1.6 1.6 2.5
3-way ZN525 control Kv valve 1.0 1.6 1.6 2.5
Connections (inches) 1/2 1/2 1/2 1/2
2-way on/off control Kv valve 1.0 1.0 1.0 1.0
2-way ZN 525 control Kv valve 1.0 1.0 1.0 1.0
3-way on/off control Kv valve 1.0 1.0 1.0 1.0
3-way ZN525 control Kv valve 1.0 1.0 1.0 1.0
UNT-SVX10G-BAT1_Mise en page 1 7/26/2013 2:41 PM Page 52