Bryant 234B User Manual
S E P / 0 2 / 2 0 0 8 / T U E 0 8 : 1 7 A M
UTC TECH PUB
F A X N o , 3 1 7 2 4 0 5 6 6 2
^ /
MODEL 23^
Inst^llatioiii Instructions
GAS FIRED WATER OR STEAM BOILER
A. G. A. APPROVED
note;: these
[HSTRUCTI ONS
MUSTPE LEFT
ON OR NEAR
THE BOILER.
The Model 234 is a low pressure, sectional, cast
iron water and steam boiler, approved by A.G.A. for
use with natural, manufactured and propane gases.
It is tested for a maximum working pressure of 30
psi on water and 15 psi on steam in accordance with
A.3.M.E. standards for cast iron boilers*
The boiler is available as a Type GW - Gravity,
Type PW - Circulation Pump, Type CW - Coil Circu
lation Pump, and Type S - Steam. All boilers are
factory assembled.
SERIES g
I
39234D3
10/5/64
Install in compliance with requirements of local
utility or other agency having jurisdiction.
GAS CONTROL OPTIONS
Control Type
D2
100% shutoff
24 volt
. Thermti'i:oupl'e'"P'ii'o''t
D4
Non 100% shutoff
24 volt
Bryant pilot
D5
100% shutoff
24 volt
Thermocouple pilot
D6
100% shutoff
Millivolt
Thermocouple pilot
Gas Type
Propane PWSiE
Nat&Mfd PW, GW,
Boiler Type
cw&s
NataaMfd PW, GW
CWQlS
Nat&Mfd GW&S Salf-'geh orating
Control Components
100% pilot shutoff valve
Thermocouple pilot
Trans fonner
Biyaiit ■disp'hT'SgÉK ■■■ '
gas valve
Bryant automatic pilot
Bryant diaphragm
gas valve
Gas pressure regulator
Transformer
100% pilot shutoff valve
Thermocouple pilot
Transformer
Bryant diaphragm
gas valve
thermocouple pilot
Diaphragm gas valve
Gas pressure regulator
DO NOT
remove!
S E P / 0 2 / 2 0 0 8 / T U E 0 8 : 1 7
UTC TECH PUB
F A X N o , 3 1 7 2 4 0 5 6 6 2
RATINGS AND CAPACITIES
P , 0 0 2
Boiler
Sixie
3
\ 4.
K ■
6
7
l7
5
4
...
5...
6
7
Gross Input BTUH
Type
Nat&MfdpTOpqne
, "i
90,000
PW
PW 125,000
160,000
P,W
;200;Gi3Q.
-EiW <
PW‘ 240,000
•er
It:
w.^ .34b;ow^220,000:
GW‘ iso,oijp:^
..2Oi5;:OQ0'"
■-S
s 105,000
s 175;000 162,500
s 210,000
‘“Ip?!
^60,Mo
¡rSg'ifSSj
‘•'TGjoeb“
.......
............. ’
.440^000 .
85,000 72,000
n0;00:o 100,000’^^67?
ii5o,oao 128,000
I75:00a
220,000 1.92,QQQ:1280;
i ssiOdS-
i^ iTo:oGOi
h.50,Q0p; 128^000' 85:3
^75,000; 16.0,00.0
|!130,0QG; 110,400, 736
N60,000
|200,000 160,000?1067 ,
“ 65,000
97,500 84,000 350
130,000.
195,000 168,000 700
G,r05.5
Nqt^Mfd
BTUHSq.;Ft,
■■■ '#P';
853,
160,000
■1,00,^000^
l92;:O0f
128,0003
112,000 467 .
140,000 583
.;1067^
‘72,ooo;
- .48.0;: 68;ooo 453 54,000
667
1067 140,000' 933 120,000
128:0
853
56,000 234
A,G,A, RATINGS
Output
Propane
BTUH
6s,ooo:■ 453''- 54;00.0
.88,000.
l:20;000 800 96,0:o;o
140/bOO: 933 120,000
N76,000
8S;000 5S7 7'5,000
i;20;ooo, 800
176,000
104,000 695 82,800
128,0.0.0 853 96,000
160,000 1067 120,000
52,000 217 42,000
78,000 325 63,;0.0.0i
104,000..
130,000 543 105,000:
156,000 650 126,000
Sq. Ft/ BTUH Sq. Ft:
75/000'
587
144,000
ii/b
96,000
144,000
1173
..84,G0:O'
.433 .
Net Output
Nat&Mfd
360 ^ 51,000. 340 ’
500 66,000 440
640 90,0Q0
800 TQ5.0.D0700 9.3
960 132,000 880
360 51,000 340
500 66,000
640 90,000 600
800 105,000 700
960 132,000 88.0
552 78,000 520
640 96,000 640
800
175
253 58,500 242
„..350.. ...78,oo:o.325
‘ 4 38 97,000 405
525 117,000
Propane
BTUH Sq. Ft.
120,000 800
39,0.00
600
440
162
487
\
Boiler Water Approx.
Capacit.y in Sh ipping
Galfoas Weight
5.0 277
■ 340
8.0 403
478
IKO
5.0 257
6.5
BX
9.3 448
n.o 500
9.2 415
10.6 ~~4§6
12.2 544
—
-
—
535
318
383
259
318
383
448
500
39234D3
- 2
S E P / 0 2 / 2 0 0 8 / T U E 0 8 : 1 7 A M U T C T E C H P U B
OPTIONAL
ENCLOSURE
F A X N o . 3 1 7 2 4 0 5 6 6 2
P . 0 0 3
F-‘£“ N,P.T, TAPPING
(NEAR SIDE)
H-a“N.PT TAPPING
(FAR SIDE)
G-£"N.P.T TAPPINQ
'(NEAR SIDE)
J- £"N.RT, TAPPING
( FAR SIDE)
r
Model
Size A
Type
234-3GW 9-3/4
234-4GW 12-5/8
234-5GW 15-1/2
234-6GW 18.3/8
234-7GW 21-1/4
-
B C
46-9/16 13-3/4 5
46-9/16 13-3/4 5
50-9/16
17-3/4 "6
53-5/16 20-1/2
53-5/16 20-1/2 7
D
E
8-5/8
8-5/8
8-5/8 plugged
7
8-3/S
8-3/S
F G
open open
}*
ft
jjf
tj ft
H
plugged plugged 1/2
M ft
open 1/2
ft y J
J9 J J ft i)
‘
J
Ggs In et Size
Nat Mfd Propane
D4&D5 D6 D5 D2
1/2
ITT™
1/2
1/2 3/4
1/2
3/4
3/4 3/4
3/4 3/4
F- E" N.RT TAPPING
N-N.PT WATER INLET
^ G- £" N.RT. TAPPING
1/2
3/4
-■
—
-
um
-
(NEAR S1D,E)
H-£"N,RT. TAPPING
(FARSi-P^.).
SIZE.
(NEAR SIZE)
tapping'''
(FAR SIDE)
Model
Size&
A
Type
234-3PW
' 9-3/4 46-9/16 13-3/4 5
234-4PW r 12-5/8
B C 0
46-9/16 13-3/4 5
*
E
8-5/8
8-5/8
F G H
open open
li ft
J N Nat
D4&D5
plugged plugged 1 1/2
y y
1 1/2 1/2
Gas In
et Size
Mfd
D6
D5
1/2 1/2 1/2
3/4 1/2
39234D3
Fropgne
D2
S E P / 0 2 / 2 0 0 8 / T U E 0 8 : 1 8
UTC TECH PUB
F A X N o , 3 1 7 2 4 0 5 6 6 2
■)
F“e"N,RI TAPPING
(NEAR SIDE )
H“ Z" N,RT TAPPING
(FAR SIDE)
G- 2" N.PT TAPPING
(NEAR SIDE)
J- £" N*RT. TAPPING
(FAR SIDE)
Modd
Size & A
B C D E F G H J
Type
23.4-5PW
15-1/2
50-9/16
234-6PW 18-3/8 53-5/16
17-3/4 6 8-5/8
20-1/2 7 8-3/8
234-7PW 21-1/4 53-5/16 20-1/2 7
234-4CW 15-1/2 50-9/16
..
:234i'5CW.18-3/8,
'234^6CW 2l-i/'4-
53-5/16 20-1/2 7 8-3/8
17-3/4 6 8-5/8
20-1/2, 7 S-.5/8
plugged plugged
8-3/8
plugged —
f7 /7
open
IJ if tt ¡7
J J
J V
tt 97 77 7 7
rr If I f r 1
Gg 9 In et Size
K L M N Nqt MM
D4&D5 D6 DS D2
- -
i-1/4 1/2 1/2 3/4 1/2 .
—
—
-
7-1/2' 9 18 1-1/4
7-1/2. 9 18T-1/4
— 1-1/4
M/2 3/4 3/4:
-
[ li2
1/2
1/2
3/4 3/4 1/2
3/4:
3/4
1/2
1/2
3/4
10-3/8 9 18 1-1/2 1/2 3/4 3/4
Propane
i/2
-
-
muDZ
-4^
S E P / 0 2 / 2 0 0 8 / T U E 0 8 : 1 8 A M
UTC TECH PUB
F A X N o , 3 1 7 2 4 0 5 6 6 2
P . 0 0 5
O
Model
SizeSt
Type
234-3S
A
B C
9-3/4 46^9/16
13-3/4
E F
P
5 8-5/8 open
OPTIONAL r
ENCLOSURE
G H
open
plugged
J
plugged
Nat
D4&D5
1/2
Gas Inlet Size
Mfd
Propane
Mfd
D5
D2
1/2 1/2 1/2
F- 2”N.RT. TAPPING
(NEAR SIDE)
N.RT* TAPPING
( FAR SIDE )
G“ 2" N,RT TAPPING
(NEAR SIDE)
J- 2" N. P.T, TAPPING
(FARSiDE)
Model
Size
A
B C
D
E F
G H
J
Type D4&D5
234-4S
234-5S
234-6S
234-7 S
12-S/S
15-1/2
18-3/S
21-1/4
46-9/16 13-3/4
50-9/16
17-3/4
S3-5/16 20-1/2
53-5/16
20-1/2
S-5/S Open
5
6 S-5/3 plugged
,8-3/S
7
7 8-3/8
r r
tt
- 5^
open
plugged
ff
7 7 j i
}t
open
9 J
plugged
i J
1 r
1/2
1/2
1/2
3/4
Gas In
at Size
Nat
Mfd D5 D3
1/2 3/4
"1/2 3/4
3/4 3/4'
3/4 3/4 1/2
Mfd
Propane
1/2
1/2
1/2
39234P3
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