DriSteem Vaporstream Spécifications télécharger pdf (Page 27)

VAPORSTREAM INSTALLATION, OPERATION, AND MAINTENANCE MANUAL

INSTALLATION

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 ﬂoor drain to prevent ﬂash steam from rising into the humidiﬁer.

• Dashed lines indicate provided by installer.

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

additional backﬂow prevention is required; however, governing codes prevail.

• Damage caused by chloride corrosion is not covered by your DriSteem warranty.

VLC-OM-011

Overview, RO/DI water option

OM-4004

Drain valve

Fill

valve

Skimmer

port

Install level

¾" (DN20) minimum condensate

drain piping rated for 212 °F (100 °C)

Air vent height

must be equal to

or greater than

dimension H2

(see Table 22-1).

Air vent tube

Steam outlet

¾" (DN20) min. drain overﬂow piping rated for

212 °F (100 °C)

¾" (DN20) drain valve

If run is over 10' (3 m), increase pipe to 1¼" (DN32)

Flow line of drain piping after water seal must

be below drain valve to ensure humidiﬁer

drains correctly.

1" (25 mm) air gap

Overﬂow

Strainer, by installer

(150 mm)

minimum

Water supply line; water pressure 25 psi to 80 psi (172 kPa

to 552 kPa); ﬁrst 3' (1 m) should be stainless steel tubing. To

isolate steam during system maintenance, put a 2" a (50 mm)

water seal or loop in supply line.

Drain piping

ﬂow line

Pitch 1/8"/ft

(1%)

Open drain required. See ﬁrst note below.

Optional condensate

return piping from

dispersion unit

See H1 in

Table 22-1

mc_022310_1300

mc_030210_1802

¾" pipe thread

(DN20) dispersion

unit condensate

return inlet

Piping:

FIGURE 23-1: FIELD PIPING OVERVIEW, VAPORSTREAM VLC WITH RO/DI WATER OPTION

FIGURE 23-2: PIPING, VAPORSTREAM

VLC WITH RO/DI WATER, MODELS 2-1

THROUGH 5-1

1 2 ... 22 23 24 25 26 27 28 29 30 31 32 ... 79 80

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DriSteem Vaporstream Spécifications Page 27

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