AERCO BMK 2.0 LN Dual Fuel Nov 2010 - Manual (Page 111)

APPENDIX G
G-1
PIPING DIAGRAMS
5) THIS IS A TYPICAL INSTALLATION DRAWING. LOCAL
C
OD
E
S A
N
D AU
T
H
OR
IT
IES
SH
O
UL
D
BE
C
O
NS
U
LTED.
2
) SH
E
L
L
D
RAIN VALVE AND CONDENSATE DRAIN TRAP SHOULD BE ARRANGED TO
PER
MI
T
T
HE
F
L
UID
S T
O DR
A
IN
HEIGHT 18'
' ABOVE FLOOR.
4) LOCATE WATER INLET AND OUTLET FITTINGS (i.e. UNIONS, EL
B
OWS, E
T
C.)
A
M
IN
IMUM
O
F
6'
' FROM BOILER
ELECTRIC
CONNECTIONS
(SE
R
VICE S
WITC
H
ES
,
C
ON
DU
IT
B
OX
E
S
) S
H
OU
L
D
L
IKEWISE
1) FOR ACTUAL S
IZES
A
N
D L
O
CA
T
IO
NS
OF
PIP
IN
G AN
D
OT
H
ER
C
O
NN
E
CTIONS TO THE
B
OILER, SEE DIMENSIONAL DRAWING (AP-A-874).
3) ALL (*) ITEMS ARE INCLUDED SEPARATELY I
N
S
HIP
ME
NT
F
RO
M
F
A
C
TO
R
Y.
BE 6''
AWAY FROM SIDE PANELS.
NOTES:
S
ING
L
E
UN
IT
I
N
S
TA
L
L
A
T
IO
N
DUAL FUEL GAS FI
R
ED
BOILE
R
BENCHMARK
2.0
M
IL.
B
T
U
L
O
W
N
O
x
AIR SEPARATOR
AUTOMATIC AIR VENT
1-1/2" NP
T
DR
A
IN
CO
N
N.
LINE SI
Z
E BYPA
S
S
BA
C
KF
LO
W
P
RE
V
EN
T
ER
DIA
P
HR
A
GM
TYP
E
EXPA
N
SION
TAN
K
WA
T
E
R
SU
P
PLY
* CONDENSATE
DRAIN TRAP
P&T
RELIEF VALVE (TYP.)
PR
E
SS
UR
E
RE
D
U
CING
F
ILL V
AL
V
E
HEAT
ING
SYSTEM RETURN
CHECK VALVE (TYP.)
HE
A
T
IN
G
SY
ST
E
M
SU
P
PL
Y
SYSTEM PUMP
AT MAXIMUM BTU/HR INPUT, MAINTAIN MINIMUM GAS PRE
SSU
R
E A
T
8.5" W.C.(FM GAS TR
AIN);
8.
5"
W.C. (
IR
I).
MAX. GAS PRESSURE
= 2.0 PSIG. (SEE NOTE 6)
* 2
" MANUAL
SH
U
T
O
F
F
VA
LV
E
DIRT TRAP
PROPANE SUPPLY
FREELY, BY GRA
V
ITY
, TO
A
C
ON
V
EN
IE
N
T
F
L
O
OR
D
R
A
IN
.
R
ELI
E
F V
A
LVE SHOULD BE PIPED VERTICALLY TO A
FITTINGS
TO PR
E
VE
N
T
INT
E
R
F
ER
E
NC
E
W
IT
H
R
E
MO
VA
L
OF
B
O
IL
E
R
P
ANELS AND COVERS. ALL PIPING AND
N
O
R
T
H
V
ALE
, N
J
07
647
IN
TE
R
N
A
T
ION
A
L, IN
C
.
AP
PD
.
DWN.
B
Y
SC
AL
E
DA
T
E
DA
T
E
HM NT
S
071
4
10
AE
RCO
SD
-A
-8
1
7
TEMPERATURE GAUGE
P&T
PRESSU
R
E &
BALA
N
CING
V
A
L
V
E
ISOLAT
IO
N
VA
L
V
E
UNION Y S
T
RA
IN
E
R
LEGEND
RE
V
A
AT MAXIMUM BTU/HR
INPUT
,
MAINTAIN MINIMUM PROPANE
P
R
ES
SU
RE
AT
8.
5"
W
.C
.(F
M
G
A
S
T
RA
IN
);
8.
5"
W.
C
. (
IR
I).
MAX.
G
AS
PRESSU
R
E =
2.0 PSIG. (SEE NOTE
6)
N
AT
. GAS SU
P
P
LY
6) WHEN AVAILABLE GAS PRESSURE
IS GREATE
R
TH
A
N 2
.0
PS
IG
, A
L
O
CK
-UP ST
Y
LE REGULATOR MUST BE INSTALLED
DOWNSTREAM OF THE 2" MANUAL SHUTOFF VALVE TO
BRING
T
H
E GA
S
PR
E
S
SU
R
E DO
WN
TO
2.
0
PSIG.
7) GAS/PROPANE RATED CHECK VALVES REQUIRE
D
O
NL
Y
FO
R
D
UA
L
FU
E
L
IN
ST
A
L
L
ATION.
C
HECK VALVES MUST BE SIZED FOR
1,500 CFH (NATURAL GAS) AND 600 CFH (PROPANE).
M
A
NU
F
A
C
TU
R
ER
S
SU
C
H AS
EC
L
IPS
E
C
AN BE CO
N
SU
L
TED FOR
GAS/PROPANE RATED CHECK VALVES.