SECTION 12: D
AMPERS
31
12.1 Dischar
g
e Damper
Discharge dampers are shipped loose. Discharge dampers are designed to be mo
u
nted do
w
nstream of the
air handler in d
u
ct
w
ork. A q
u
alified contractor/installer m
u
st make appropriate allo
w
ances for d
u
ct
connections.
To install the discharge damper on an interior
w
all, drill holes e
v
ery 8" (20.5 cm) in the flanges on all fo
u
r
sides of the discharge damper to accommodate lag bolts (pro
v
ided by others).
Discharge dampers are not recommended to be mo
u
nted directly to the air handler.
FIGURE 14: Motorized Dischar
g
e Damper (XT-112 - XT-130)
12.2 Inlet Damper
Inlet dampers are factory mo
u
nted to the inlet of the air handler (co
v
ering the inlet opening). The inlet
damper has fo
u
r o
u
t
w
ard-t
u
rned flanges. Based on air handler style, damper may incl
u
de
u
pper and lo
w
er
damper.
C
E
C
D
A
B
C
C
F
NOTE:1) CONTRACTOR/INSTALLER MUST MAKE
APPROPRIATE ALLOWANCES FOR DUCT
CONNECTIONS.
2) NUMBER OF LOUVERS WILL VARY.
3) MOUNTED DOWNSTREAM OF AIR HANDLER IN
DUCT WORK. DOES NOT MOUNT DIRECTLY TO
AIR HANDLER. FIELD WIRED TO PROVIDED
TERMINALS ON CONTROL PANEL.
AIR FLOW
Model
A
B
C
D
E
F
Wei
g
ht
lbs (k
g
)
XT-112
in
18.6
15.6
1.5
16.5
13.5
8.0
25 (11)
cm
47.2
39.6
3.8
41.9
34.2
20.3
XT-115
in
28.0
25.0
1.5
26.1
23.1
8.0
51 (23)
cm
71.1
63.5
3.8
66.2
58.6
20.3
XT-11
8
in
30.8
27.8
1.5
30.6
27.6
8.0
65 (29)
cm
78.2
70.6
3.8
77.7
70.1
20.3
XT-125
in
34.3
31.3
1.5
34.6
31.6
8.0
83 (38)
cm
87.1
79.5
3.8
87.8
80.2
20.3
XT-130
in
39.8
36.8
1.5
39.8
36.8
8.0
111 (50)
cm
101.0
93.4
3.8
101.0
93.4
20.3
Summary of Contents for XT112
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