AERCO BMK 2.0 LN Nat. Gas - Manual (Page 94)

APPENDIX G
G-2
5)
THI
S
IS
A
TYPI
CAL
IN
STALL
A
TI
ON DRA
W
ING.
LOCAL
CODE
S A
ND AU
THORI
T
IE
S
SHOUL
D
B
E
CONS
ULTED.
CONVENI
E
NT FLOOR DRAI
N
. RELI
EF VAL
VE
S
H
OULD BE PI
P
E
D
V
E
RTI
C
ALLY
TO A HEI
G
HT 18'' ABOVE
FL
OOR.
FI
TTI
NGS TO
P
R
EVENT I
N
TERFER
ENCE W
ITH REMOVAL
OF BOI
LER PANEL
S
A
ND
COV
E
RS.
ALL
PI
PI
NG AND
ELE
C
TRI
C
CONNE
CTI
O
NS
(
SERVI
CE SW
IT
CHES,
CONDUI
T BOXES)
SHOULD LI
KEW
ISE
B
E
6
" AW
AY FROM SI
D
E
PA
NELS.
1)
FOR ACTUA
L SI
Z
ES
A
ND
L
O
CATI
ONS OF
P
IPI
NG AND OTHER CONNECTI
O
NS TO
T
H
E
B
O
IL
ER,
SEE
DI
MENSI
O
NAL DRAWI
NG
(AP-
A-
7
39)
.
3
) ALL (
*)
IT
EMS ARE I
NCLUDED SEPA
RATELY
IN
SHI
P
MENT FROM
F
A
CTORY.
NOT
ES:
AI
R
SEP
ARATOR AUTOMA
TI
C
AI
R VENT
1-
1/
2"
N
P
T
DRAI
N
CONN.
LIN
E
SI
Z
E
BYPAS
S
BAC
KFLOW
PREVENTE
R
DI
APHRA
GM
TYP
E
EXP
ANSI
ON TA
NK
WA
T
E
R
SUP
P
LY
* CONDENS
ATE
DRAI
N
T
R
AP
P&
T
PRES
SURE
REDUCI
NG
FI
LL VAL
VE
CH
E
C
K
VA
LV
E
(T
YP.
)
HEATI
N
G
SYS
TEM
SUPPL
Y
SYST
EM
PUMP
P&
T
REL
IEF
VAL
VE (
T
YP.
)
HE
ATI
N
G
SYST
EM
RETU
RN
* 2"
MANUAL
SHUTOF
F
VAL
VE
GAS
SUP
P
LY
DI
RT TRAP
2)
S
H
ELL DRAI
N
VALVE
AND CONDENS
ATE DRAI
N
TR
AP
S
H
OULD BE ARRANGED TO PERMI
T
T
H
E FLUI
DS TO
DRA
IN
FREE
LY,
BY
GRAV
IT
Y
, TO A
4
) LOCATE
WATER I
N
LET AND OUTL
ET FI
T
T
IN
GS
(
i.e
. UNI
ONS
, ELB
O
W
S
, ETC.
) A MI
NI
MUM
OF
6
''
F
R
OM
BOI
LER
NO
RTHV
A
LE
, NJ
0 7
64
7
IN
T
E
R
N
A
T
IO
NA
L
, I
N
C.
AP
PD
.
DW
N
.B
Y
SC
AL
E
DA
T E
DA
T E
SD NT
S
021506
A
E
RCO
SD-A-
672
TE
M
P
ERATURE GAUGE
P&
T
PRE
SSURE &
B
A
LANCI
NG VALVE
IS
OLA
T
IO
N VAL
VE
UNI
ON
Y S
T
R
A
IN
ER
LEG
E
ND
B
E
NCHMARK 2 MI
L
. BTU LOW NOx
GAS FI
RED BOI
L
ER
MUL
T
IP
LE UNI
T
IN
STAL
LATI
ON
6)
W
H
EN AVAI
LAB
LE GAS PRESSURE I
S
GREATER THAN 2.
0 PSI
G,
A LOCK-
U
P STYL
E
RE
GULATOR MUST BE I
N
STALL
E
D
D
O
W
N
ST
REAM OF
T
H
E
2
" MANUAL
SHU
T
OFF VALVE
TO BRI
N
G THE GAS PRESSURE DOW
N
TO
2
.0
PS
IG
.
RE
V B
AT
MAXI
MUM
BTU/
HR I
N
PUT,
MAI
N
TAI
N
MI
NI
MUM
GAS
PRE
SSURE AT 5.
3"
W
.C.
(F
M GA
S T
R
AI
N
);
5
.5
"
W
.C.
(I
RI
).
MAX.
GAS PRESSURE
=
2
.0
PSI
G.
(SEE NOTE 6)
DRIP
T
R
A
P
* 2" M
A
NUA
L
S
HUTO
F F
VAL
VE
M
A
IN
TA
IN
A
RE
G
U
L A
TE
D
5.3
"
W
.C.
(F
M
), 5
.5 W
.C. (
IRI)
G
A
S P
R
ES
SU
R
E
AT
M
A
X
BT
U
/H
R
I N
PU
T
G
AS SU
P
P
L Y
(TO
B
O
IL
E
R
)
(S
E
E
N
O
TE
7
)
Di
agra
m
1
7
) A GAS
R
E
GULATOR I
S
MA
NDATORY FOR THE STATE
OF MASSAC
HUSETTS,
REGARDLE
SS OF
S
U
PPLY PRESS
URE.
SEE DI
A
G
RAM
1