Bryant 342S User Manual
S E P / 0 9 / 2 0 0 8 / T U E 0 3 : 3 2
UTC TECH PUB
Bryant
AìrCondìtioning
Company
F A X N o , 3 1 7 2 4 0 5 6 6 2
UNIT HEATERS
iiistructiòris
342S
: Series A
■Sizes 30
thru 400
Cancels; 39342D1
Before proceeding to install Models 342 and 342S Unit
Heaters, refer to Bryant form Ho, 39003D1 “Froeaduree for
Gas Appliances” (packaged with the equipment) for in
formation concerning combustion, venting, piping, and
other standard installation practices. The current edition of
the American National Standard “Installation of Gas Ap
pliances and Gas piping”, Z21.30, takes precedence over all
other reference publications pertinent to this -installation
instruction. Both models arc shipped factory-assembled,
Installation comprises the following;
* I. Inspection
* IL Location and Suspension
* III, piping '
lY, .
*** V. Venting
VL Startup'arid Adjustment
VII, Service 0;and„
=<To perform; .these -sepi^iops for installation steps-), jrefer t.
the ■;apprOpriath;''settiQhs^ Pr^atit' farm No.' 3&003D1
(packaged '■ With'ixfhis^ ^ .;.■■■ ■, ■ ^ '■ ■■ -
.' SPECIAL airplane aMANQAR AND : ; 1
. (5ARAGE APPLICATION PRECAUTIONS •
NOTE.:
cr aft ; Hangars, ” ahd^^HjFr'A ■; :NpT,;i':8g 2 ' Standard. .for
Gar ages; ” - . ''""uO.., .I.; 7 '■'.'li,'Ui'' 'A ■ '[,■ A ■', 1.,
1, A clearance of 10 feeti.;tb.Th^;'battom;;.o
'ifHe;:to,p,;h'f.J/a^'/wing-nr'Vfus^ /hr,:,¡aircraft likely^-tp'fee;''.'o
7 ■ .''hoiisedah:,;,'-the' .h angar 'must ;be' ■ in aint'ained " >.■ ;'i■■ ,i X 'i
■2. A'^mmimumyclearanqe':''.oi/$;%et';::^^^^ .the
bottom" ,'o.f ^thd '.'healtei:' ■ih./'hthef. .isepf ion^ .'pio^the ■.■;aircritft,
hangar, such '¿S' ofhe'es' ''an'd '¿hops' Vliich ■'''bb'fh muni cate .with areas used for servicing or storage, must be
maintained.
A-The heater;imn-Si .also be gg'lQcated. th;at it is.protected.'._____
from damage'by aircraft or other objects such as cranes 5, A service clearance of 18 inches at the rear and 12 ihor movable scaffoldings. In addition, it must be located ches from any obstruction at the bottom of the heatdr
"to be accessible for servicing and adjustment. must be maintained, " '
..........
Figure 1
4, A clearance of 6 inches from combustible maiterial
must be maintained from the top and the sidep of thd
...........
heater. ■;.'/:
39342D.PT3
11/1V4
i ' 7 ; COMPONENT ; •.
.Bryant Auto Pilot ...'..e ,
■Bryant'Gas 'Valve:!'■. ;■., ,'. ■ „"
Gas Pressure .Begulator"! /
. Transformer.: '.„..X;-...
,d0D%'5hutpff..j,'.;'j.:>.,-:
/7
■v.-.'. Therrlno.co(jple FMot
Pilot.Belay„:or Pilo,t3tat„ .
""’All ithree bphonB,'.'.ay&ilable',.-on- 342 '8438 .■a're..-availablB .'with '1).3 .propane and 'D5 natural '.gaa only. ^ ■/■.■■'■'i,
■H=A'-643;Bryàn!f Gas ,’Valv.e wjthÙntsBral gae pressure rsgulatpr .is used ;on -IÌ4.'Hiid D5 ibf sizes 30 thru IBO; A-641 Gas Valve wimoUt regulator
Used on-D2 for all 'sizes. -A-64l with separate gas ‘pressute Tegulator 'is'used on D4 and D5 for sises 175 'thru 40G. ■ ■ '
..:.7 "''7...'. .02.7,.'^
. .■ ir-!:'' ,7" ".' ;
'■ ... ...,..„7;T2.::. ix;: ; ■,:
.........
.............,,/■,
. . .,7'7:..'X'.7.: ... .. ,
.............. v
■
..........
TABLE l-^GDNTROL OPTIONS^
'PROPANE ;qA.s„,, .;■ ;
.7. .!7;'.7'7
........
, ,r,;.
.....
:'X
......
...
'¡..xx-',,.;. .'7. '■■
7.'v;,...
...........
■ ,":'7. ■ ■ -7 ,7
NATURAL
■' ,'X' " ' " ■'
" X'.^
■X
04 '
natural i
D5
.'. "X ■ "'.„T
■ . X ■ .
' X ■ . :
: 'X .
■ ,X ■' ..'7:
■X". ^ ',■;.'
S E P / 0 9 / 2 0 0 8 / T U E 0 3 : 3 2
UTC TECH PUB
F A X N o , 3 1 7 2 4 0 5 6 6 2
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3Q 11-.1/2 ■■
50 16-3/4 25-7/8
75 15-5/8 31-1/16... 30-1/0 ■
100 18»5/8 31-1/16 30-1/8 '
125 21-5/8 31-1/16., 31-5/8 ■■
150 24-5/8 31-1/16 31-5/8 '
175 21-5/8 37-1/4 34-5/8 20-3/16
200 24-5/8 ■ 37-1/4 ■ 34-5/8 ■ 23-3/16 23-7/0 21-W16
'225 27-5/8 37-1/4 34-6/8 26-3/16 '23-7/0 21-9/1.6
250 33-5/8 37-1/4 34-5/8 14-3/16 23-7/8 21-9/16
300
39-5/8 36-1/2 36-5/8 17-^3/16 23-7/8 ' 21-9/16
400 51-5/8 38 38 23-3/16
C
23-5/8 '
23-5/a 15-5/16 15 12-1/16 3-3/4 4-5/16; 2-1/8 4
D ■" -
10-1/1B . 15 ■ ■ ■ 12-1/16 ■ ■3-3/4 4-5/16 , 1:-,7/B 3
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4-15/16 ■
4-15/16
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5-13/16 T-T/a 8 Fr4-i/4 32-1/8 30-31/32 3/4 ■
7-13/16
9-5/16 TsTs 10 14-1/4 50-1/8 30-31/32 3/4
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'10-170““
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12-1/8 ■ ■17-1/8 25-31/32 1/2
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12-1/8 23-1/8
7 14-1/4 20-1/8
14-1/4'
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15-1/4
23-1/8 , 30-31/32 1/2 1/2
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25-31/32 ;
30-31/3^
JiBi PXPRi
1/2 1/2
1/2
1/2
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1/2
1/2
Inlet
1/2
1/2
1/2
1/2
1/2
■1/2
■1/2
3/4
3/4
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