AERCO BMK 2.0 LN Nat. Gas - Manual (Page 93)

APPENDIX G
G-1
5)
THI
S
IS
A
TYPI
CAL
IN
STALLA
TI
ON
DRAWI
NG.
LOCAL
CODES
AND
AUTHORI
T
IES SHOUL
D
BE
CONSUL
TED.
2)
SHELL
DRAI
N
VALVE AND CONDENSATE DRAI
N
T
R
AP
SHOUL
D
BE
ARRANGED TO PERMI
T
THE
FL
UI
DS TO DRAI
N
HE
IG
HT
18'
' ABOVE
FL
OO
R.
4)
L
O
C
A
TE
W
A
TE
R
IN
LET AND OUTLET FI
TTI
NGS
(i
.e
. UNI
ONS,
ELBOW
S
, ETC.
)
A MI
NI
MUM
OF 6'' FROM BOI
LE
R
E
LECTRI
C
CONNECT
IO
NS (
S
ERVI
CE
SW
IT
CHES,
CONDUI
T BOXES)
SHOULD LI
KEW
IS
E
1
) FOR
A
C
TUAL SI
Z
ES
A
ND
LOCA
TI
ONS OF PI
P
ING AND
OT
HER
CONNECT
IO
NS TO THE
B
O
IL
ER
, SEE DI
MENSI
O
NAL DRAW
ING (
A
P-
A-
739
).
3)
AL
L (
*)
IT
E
M
S
ARE I
NCLUDED SEPARATEL
Y
IN
SHI
P
M
E
NT
FROM FACTORY.
B
E
6
'' AW
AY
FROM S
IDE
PANEL
S.
NOTES:
SI
NGLE UNI
T
IN
STALL
A
TI
ON
GAS FI
RED BOI
LE
R
BE
NCHM
A
R
K 2
MI
L.
BTU
LOW
NOx
AI
R
SEPA
RATOR
AUTOMATI
C
AI
R VE
NT
1-
1/2
" NPT
DRAI
N
CONN.
LI
NE SI
ZE
B
YPASS
BACKFLOW
PREVENTER
DI
APHRAGM TYPE
EXPA
NSI
O
N TANK
WA
T
E
R
SUPPL
Y
* CONDENSATE
DRAI
N
TRA
P
P&T
RELI
EF VALVE
(
T
YP.
)
P
R
ESSURE
REDUCI
NG
FI
LL
VAL
VE
HE
ATI
N
G
SYSTE
M
RETURN
CHE
CK
VA
LV
E
(T
YP.
)
H
EATI
N
G
SYSTE
M
SUPPLY
S
YSTEM
PU
M
P
AT MAXI
M
U
M BTU/
HR
IN
PUT,
MAI
N
TAI
N
MI
NI
MUM GA
S PRES
SURE A
T
5.
3"
W
.C.(
F
M
G
A
S TRA
IN)
; 5.
5"
W
.C.
(I
RI
).
MAX.
GAS
PRESSUR
E
=
2.
0
PS
IG
. (
SEE
NOTE
6)
* 2"
MANUAL
SHUTOFF VAL
VE
DI
RT TRAP
GAS SUP
P
LY
FRE
E
LY,
BY GRAVI
TY,
T
O
A CONVENI
E
NT FLOOR
DRA
IN
. RELI
EF VALV
E
SHOUL
D
BE PI
PED VERTI
CALLY TO A
FI
TTI
NGS TO
PREVEN
T I
N
TERFERE
NCE W
ITH RE
M
O
VAL
OF
BOI
LER
PANELS
AND
COVERS.
ALL
PI
PI
NG AND
NO
R
T
HV
A
L
E
, NJ
0
7
64
7
INT
E
R
N
AT
IO
NAL
, INC
.
AP
PD
.
DW
N
.B
Y
SC
A
LE
DA
T E
DA
T E
SD NT
S
021506
A
E
RCO
S
D
-A-6
71
T
E
M
P
ERATURE GAUGE
P&T
PRE
SSURE &
B
A
LANCI
NG VAL
VE
IS
OLA
T
IO
N VALVE
UNI
ON
Y
STRA
IN
ER
LEG
E
ND
6)
W
H
EN AVAI
LABLE
GAS PRESSURE I
S
GRE
A
TER THAN
2
.0
PSI
G,
A LOCK-
U
P STYLE REGULATOR MUST BE I
N
ST
ALLED
DOW
N
STREA
M
OF THE 2"
MANUAL
SHUTOF
F
VA
LVE TO
BRI
N
G THE GAS
PRE
SSURE DO
W
N
TO 2.
0
PS
IG
.
RE
V B
SEE DI
AGRA
M
1
7)
A GAS REGULATOR I
S
MANDATORY
FOR THE STATE OF MASSACHUSETT
S
, REGARDLES
S
OF SUPPL
Y
PRE
SSURE.
* 2"
M
A
NUA
L
S
HUTO
F
F
VA
L V
E
(TO B
O
IL
E
R
)
Di
agr
am 1
G
A
S SU
P
P
L
Y
(S
E
E
N
O
TE
7
)
MA
INT
A
IN
A
R
E
G
U
LA
T
E
D
5.3
" W
.C.
(F
M
),
5.5 W
.C. (
IRI)
G
A
S
PR
E
S
S
U
R
E
AT
M
AX
B
T
U/
HR INP
U
T
DRIP
TRA
P