Roof Jack Selection; Application Notes; Roof Jack Extension; Roof Jack Assemblies - Nordyne MGHA-056A AA FC-02 Installation Instructions Manual

9. ROOF JACK SELECTION
,,-
This ;0<01
~'oo
above ceifing
Flashing
.!.ack '-,.
,
111
/
/
C~vity I "~-
-
•
-,-
•
00 I
J
Furn"".
~-.
-
-'-
''''''
Ceding
Flal Roo
Flue PI~
CombuSl1
Air Pipe
APPLICATION NOTES'
a. FO, SO. SOT and FOT Senes Roof Jacks with a 5"
diameter inner vent pipe may be used with all models
ot MG, MM. MS. and MB series gas and oillumaces,
b. F_Flat, Flashing: Adjusts Irom 0112 to at least 1112
root slope
C,
S~Slant
Flashing tor 2.5112 Slope: adjusts 1112 to
41
12 root slope,
a Determ",e depth ot ceiling caVily trom centel of root
openlr>g to center of ceiling opelllng, (See DimenSIon
"A" in Figure 7.)
b.
Determ",eceillng height arid sublract height ottumace.
(See D,menslO/ls "B" in Figure 7.)
c. AdddlmensOons A+ B (and X from Table 9 and F'9ure
8
if stant deck flashing is used), The lotallength of (A
+ B + X) Will
be w~hin
the minimum and maximum
range of one of the Root Jacks l>Sted In Table 8.
Nole: Install only Root Jack Assemblies listed in Table 6 on
this Ileating appliance,
ROOF JACK EXTENSION
Figure 7. Rool Jack A•• embfleo
Figure
8
~
"X"
(SEE
TABLE ~I
~
ROOf JACK
SLANT DECK
FLASHING
ROOF OPENING
CEILING OPENING
CEILING
PITCHED
,~
ROOF
JACK
WITH
2',112
SLANT
FLASHING
Under some circumstances it may be deSirable to raise the
Roof Jack by USing a furnace Root lack exlenslon (external
extensIOn pin 901937,IIIIernai extension pin 901935). An
extenSIOn or high Wind senes roof jack may help to solve a
pilol outage caused by unusual wirld elleels because of
geographICal features such as hiils. trees. tall buildings, etc
The extenSion IS available as an opllonal accessory and may
be purchased through your NQROYNE distributor.
,
I
,
MODEL
,
APPROX, ADJ.
NUMBER
LENGTHS'
BELOW FLASHING
F01323 -5
13- - 23-
F02343
-5
23" - 43"
501835 -5 18"-35"
502447 -5
24--47"
503253 -5 32" ·53"
504895 -5 48" - 95"
I
50T2442 -5
24"-42-
50T2745 -5 27" - 45"
50145B1 -5 45" - 81"
I
FOT2846 -5 28" - 46-
2h 112
SLANT
DECK
S O T
~I
,
.....
."".....,
'"<L"''''_G
T"~T
""
0""'"" OT_
---
27 45 -5
L
6.7.;,",-
,...,TN
--
"'"GlN
5/12 ROOf
SLOPE
Table e, Rool J..k A....mbl>e.
Fig~re
9.
NORDYNE - manulacturer ollntertherm and Miller products