30
Planning
2596995_0_EN_1905
Nortec RS
4.3.2 Water and Drainage Connections
The water and drain connections on the Nortec RS humidifier are located at the bottom of the unit. Refer
and
The flexible bent hose (supplied) connects a short length of 7/8 in (22 mm) drain line to the drain cup
on the humidifier. The drain hose then empties into an air gap funnel connected to the building drain.
The water supply line connects to the fill valve through a NPT-to-BSPP adaptor (supplied).
G 3/4"
1/2" NPT
Filter valve or
Shut-off valve and 5 micron filter
(recommended, supplied by others)
Water drain connector ø1.18" (ø30 mm)
Water supply connector G 3/4"
Adapter G 3/4" / 1/2" NPT
Water supply pipe (min. inner diameter
0.47" (12 mm), supplied by others)
30 ... 80 psi (2.0 ... 5.5 bar)
33.8 ... 77.0 °F (1...25 °C)
ømin: 1.57" (40 mm)
Drain hose (supplied)
– internal diameter ø1.18" (ø30 mm)
– Drain hose must be led to the left
– constant downslope (min 1.2°) to funnel
– if using DI or RO water, use supplied drain hose or stainless steel
pipe only able to withstand max. temperature of 140 °F (60 °C)
– hose must not touch funnel
Open funnel with trap
(supplied by others)
Adapter G 3/4" / 1/2" NPT
(supplied with O-ring and gasket)
Figure 15: Overview water installation for single units Small ("S") and Medium ("M")
G 3/4"
1/2" NPT
Water drain connector ø1.18" (ø30 mm)
Filter valve or
Shut-off valve and 5 micron filter
(recommended, supplied by others)
Water supply connector G 3/4"
Water supply pipes (min. inner diameter
0.47" (12 mm), supplied by others)
30 ... 80 psi (2.0 ... 5.5 bar)
33.8 ... 77.0 °F (1...25 °C)
ømin: 1.57" (40 mm)
Open funnel with trap
(supplied by others)
Adapter G 3/4" / 1/2" NPT
Adapter G 3/4" / 1/2" NPT
(supplied with O-ring and gasket)
Drain hoses (supplied)
– internal diameter ø1.18" (ø30 mm)
– Drain hoses must be led to the left
– constant downslope (min 1.2°) to funnel
– if using DI or RO water, use supplied drain hoses
or stainless steel pipes only able to withstand max.
temperature of 140 °F (60 °C)
– lead each drain line in a separate funnel
– hoses must not touch funnel
Figure 16: Overview water installation for single units Large ("L")