DriSteem Vapor-Logic Spécifications télécharger pdf (Page 10)

Page 10 • DRI-STEEM Vapormist humidifier

Figure 10-1:

Vapormist (standard water) field piping overview

Vapormist piping:

Standard water

Water supply line:

• ¼" NPT (DN8) connection size

• 25 to 80 psi (175 to 550 kPa) required water pressure.

• 100 μS/cm minimum water conductivity.

• If water piping to humidiﬁer is nonmetallic,

the ﬁrst 3' (1 m) of water supply piping from

humidiﬁer should be metallic.

Steam vapor hose (maximum run 10' [3 m]). May also use pipe or

tubing. See the

DRI-STEEM Design Guide

for maximum pipe or tubing

lengths.

Unions by installer

Shock arrester recommended

to reduce water hammer

¾" pipe thread (DN20)

tank drain, skimmer, and

P-trap piping, rated for

212°F (100 °C). If piping

run is over 10' (3 m),

increase pipe to 1¼"

(DN32) after P-trap.

1" (25 mm) air gap

Spill funnel. Plumb

to ﬂoor drain.

Open drain required.

See ﬁrst note below.

¾" pipe thread (DN20) frame drain and

P-trap piping, rated for 212 °F (100 °C)

Frame drain

Cover

Install plumb

DC-1136

Notes:

• Locate air gap only in spaces with adequate temperature and air movement to absorb ﬂash steam; otherwise, condensation may form on nearby surfaces.

Refer to governing codes for drain pipe size and maximum discharge water temperature.

• Offset humidiﬁer from spill funnel or ﬂoor drain to prevent ﬂash steam from rising into cabinet.

• Dashed lines indicate provided by installer.

• Water supply inlet is more than 1" (25 mm) above skim/overﬂow port, eliminating the possibility of backﬂow or siphoning from tank. No additional

backﬂow prevention is required; however, governing codes prevail.

• Install a union in water supply and drain lines as shown to allow tank removal.

• Damage caused by chloride corrosion is not covered by your DRI-STEEM warranty.

2" (50 mm)

12" (300 mm)

2" (50 mm) water seal or loop in supply

line to isolate steam from nonmetallic

supply piping

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DriSteem Vapor-Logic Spécifications Page 10

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