Armstrong AM-93M Manuale di installazione e funzionamento - Pagina 17

Sfoglia online o scarica il pdf Manuale di installazione e funzionamento per Inumidire Armstrong AM-93M. Armstrong AM-93M 18. Humidifiers for air handling systems

Preliminary Procedure
STEP 1: Check Shipment Against
Packing List. All components are
listed on the packing slip. Report any
shortages immediately. If the
humidifier or accessories have been
damaged in transit, notify us and file
claim with the transportation company.
If your order covers more than one
unit, separate each complete unit.
Humidifier tagging and manifold
tagging will be the same as shown on
the packing list. Model, Serial Number,
Steam Pressure, Orifice and Orifice
Figure 15-1. Model 90 Single Manifold Installation
90° Compression
Elbow and Tube
Note: Maximum operating pressure is 15 psig. Steam system should have a neutral Ph of 7.2 to 7.6.
Table 15-1. Fittings and Adaptors
Single Manifold Installation (reducer bushings A17891 included)
Single Manifold Installation (reducer bushings A17891 included)
Description
Model 90 Horizontal
Model 90 Vertical
Model 91
Single Manifold Installation (reducer bushings A17891 included)
Multiple Manifold Installation
Description
All 90/91 Installations
Multiple manifold applications will be supplied with (1) A4967B adapter each.
Vertical mounted manifolds will be supplied with an A4967B adapter.
Figure 15-3. Multiple Manifold Installation
Header Trap
must be drained
to atmosphere
Restriction (if any) are on the metal
plate on the humidifier body. Operator
for electric motor operated unit is
shipped separately but marked with
the serial number of the humidifier
with which it must be used. Be sure
serial numbers agree.
STEP 2: Spot Humidifier Locations.
Locate each humidifier according to
the engineer's layout or as indicated
by your Armstrong Representative. If
you must locate the humidifiers
yourself, be sure to read and observe
the "Do's and Don'ts" on the following
page.
Part No.
B4583
B4584
B3931
Part No.
A4967B
Union/Nipple
(supplied by customer)
F&T Steam Traps
(purchased seprately)
SteamStik Almuminum Manifolds
STEP 3: Cut Hole in Duct or Plenum
for Manifold. Cut a 2" hole for each
manifold location.
STEP 4: Insert Manifold in Duct.
Outlet holes must point upstream into
air flow with all SteamStik manifolds.
Where manifold is positioned
horizontally, use a spirit level.
Manifolds longer than one foot should
be supported. When supporting the
manifold on the far end allow for
manifold expansion and contraction of
1/2" - 1".
Continue installation with step 5
beginning on page 8.
Figure 15-2. Model 91 Single Manifold Installation
*
90° Compression Elbow
and Male End Adaptor
*When using 90° Elbow, maintain 2.65" Dimension)
Manifold Outlet Fittings
Elbow/Tube Fitting with
1/2" MNPT Connection
Manifold Outlet Fittings
Not Applicable
Table 15-2. Header size of manifold piping
Separator
Size
Support Rod
(supplied by customer)
Manifold Installation
Number of reducer bushing(s) supplied
1 (inlet)
Number of reducer bushing(s) supplied
2 (1 inlet, 1 outlet)
out of humidifier
Minimum
Suggested
Pipe Size
Header Size
90
1/2"
91
1/2"
92
3/4"
93
1"
94
2"
3/4"
2"
2-1/2"
3"
5"
15