DriSteem Vapor-Logic Instalační příručka stáhnout pdf (Strana 23)

DRI-STEEM GTS Humidifier Installation, Operation, and Maintenance Manual • Page 21

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G T S p i p i n g , D I / R O w a t e r m o d e l s

Figure 21-1:

Field piping overview for GTS DI/RO water models

OM-1223

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.

• Dashed lines indicate provided by installer.

• Humidiﬁer ﬂue gases must be vented to the outside

atmosphere.

• 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 DRI-STEEM warranty.

• In order to minimize DI/RO water use, disconnect

factory piping to the water tempering device and pipe

directly to tap water.

• See the previous page for recommended water supply

piping for standard water models.

Table 21-1:

Height required to overcome GTS-DI internal pressure (H)

GTS-DI model

number

H = Height required to overcome humidiﬁer internal pressure

inches mm

100, 200 35 889

300, 400,

500, 600,

700, 800

41 1041

Water supply line; water

pressure range 25 psi to 80 psi

(172 kPa to 582 kPa); ﬁrst 3'

(1 m) of supply line must be

rated for 212 °F (100 °C)

Flue connection

Gas inlet connection

1" (25 mm) air gap

1½" (DN40) drain piping must be

rated for 212 °F (100 °C)

Install level

Air vent tube height must

be equal to or greater than

dimension “H“ (see table below)

Steam hose, pipe or tubing

Install level

If water piping to humidiﬁer is nonmetallic, we recommend

a 2" (50 mm) water seal in the supply line to isolate steam

during DI/RO water system maintenance.

Offset humidiﬁer from ﬂoor

drain to prevent ﬂash steam

from rising into the humidiﬁer

Inlet strainer by installer

6" (150 mm)

minimum vent height

Open drain required. See ﬁrst note below.

Air vent tube

Optional condensate return

piping from dispersion unit;

¾" pipe thread (DN20)

ﬁtting at humidiﬁer

Flue size per governing codes.

Do not reduce.

Installation

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 79 80

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