Positioning; Mounting - Carel ultimateSAM Manual Del Usuario

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1.6

Positioning

Determine the proper position for the ultimateSAM distributor in the
duct or AHU. (Fig.1.j) Most steam absorption problems are the result of
improper positioning.
Check that the clearance between the distributor and downstream
components is not less than the absorption distance of distributor.
Refer to the design manual for information on absorption distances for
the ultimateSAM distributor.
Examine all accessories shipped with the distributor. These accessories
may infl uence the positioning and mounting of the distributor as they
can facilitate the connection of the steam supply and drains to the
distributor. For additional information on these accessories, see the
appropriate sections in the manual.
Before mounting the distributor to the duct or AHU, review the
sections of the manual dealing with inlet and drain connections as
these connections may need to pass through the walls of the duct.
Exhaust Air
Outside Air
Outside air temperature sensor

1.7 Mounting

Before mounting the distributor to the duct or AHU, be sure to review the
information in the "Positioning" section of the manual. (See section 1.6.)
Check that the structural integrity of the duct or AHU is suffi cient to
support the weight of the distributor where the bottom brackets are
located. Reinforce these areas if necessary. Weight tables are provided in
section 9.1 of the manual.
Center the distributor within the duct as much as possible.
"ultimateSAM - user" +0300070ES - rel. 1.0 - 23.05.2013
Possible locations for the distributor:
a.
b.
c.
d.
e.
f.
g.
G
F
E
D
C
B
Filter
Cooling
Coil
Preheat Coil
Reheat Coil
Steam dispersion/absorption zone
Fig. 1.n
10
BEST: locate distributor far enough from fan to avoid turbulence. Maintain
adequate evaporation distance.
GOOD: provided there is enough distance from the distributor to the fan
inlet for proper evaporation.
OK: provided there is enough distance from the distributor to the heating
coil for proper evaporation (particularly if the heating coil is electric)
POOR: workable only if the cooling coil is inactive during humidifi er
operation. An active cooling coil will remove the moisture the
humidifi er is trying to put in.
POOR: same problems as C&D plus the air may be very cold, increasing
evaporation distance or causing condensation.
POOR: same problems as C, D, & E plus the fi lters may get wet producing
an unsafe condition with growth of biologicals.
POOR: only workable if the system is 100% recirculated air with no exhaust.
Control
3 m (10') TYP
humidity
sensor
A
Fan
Return Air
High limit
humidity
sensor
Air Proving Switch

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