DriSteem Vapor-Logic Instalační příručka stáhnout pdf (Strana 50)

Page 48 • DRI-STEEM GTS Humidifier Installation, Operation, and Maintenance Manual

Assembly and installation instructions for a Rapid-sorb installed

with header inside the duct (horizontal airflow)

1. Locate and cut the holes in ductwork or air handler for steam

header penetration, condensate drain piping, and header support

bracket fastener. Allow 1/8"/ft (1%) header pitch toward the

support bracket when you drill the hole for the header support

bracket fastener.

2. Loosely fasten the header in place.

3. Rotate the header 90° so the header stubs point horizontally in

the duct.

• When installing in an air handler, the rotation of the header

is often less than 90°. Typically, due to the condensate drain

piping requirements, the header can be set on the floor of the

air handler, assembled in the vertical position, and then raised

and mounted in place.

4. Mount the dispersion tubes on the header with the slip

couplings or hose cuffs.

• When installing slip couplings for 1½" (DN40) dispersion

tubes, take care not to shear the O-rings.

• Set the slip coupling on the header stub or dispersion tube so

the O-ring is resting on the face of the tubing.

More on next page ▶

D i s p e r s i o n : R a p i d - s o r b ( c o n t i n u e d )

OM-1213

Figure 48-1:

Rapid-sorb installed in a horizontal airflow with header inside the duct

6" (152 mm)

Point tubelets (steam oriﬁces)

perpendicular to airﬂow

Duct

Vapor hose,

tubing, or pipe

GTS humidiﬁer

Airﬂow

Dispersion tube

Slip coupling or hose cuff

90° long sweep or

two 45° elbows

Support bracket

5" (127 mm)

¾" pipe thread

(DN20) drain

¾" (DN20) copper

1" (25 mm) air gap

Open drain required.

Locate air gap only in spaces with adequate

temperature and air movement to absorb ﬂash

steam, or condensing on nearby surfaces may

occur. Refer to governing codes for drain pipe

size and maximum discharge water temperature.

Position L-bracket so that ﬂange is upstream

of dispersion tubes. This drawing shows the

L-bracket positioned for airﬂow back to front

Pitch header

toward drain

1/8"/ft (1%)

Secure and seal

escutcheon plate

Pitch*

Note:

* Pitch vapor hose, tubing,

or pipe toward Rapid-sorb:

– 2"/ft (15%) when

using vapor hose

– 1/8"/ft (1%) when

using tubing or pipe

Stainless Steel Support

by DRI-STEEM

Installation

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