Aerco, Appendix f, Legend – AERCO KC Series Equipped with C-More version 3.04 User Manual
Page 103: Sd -a -434

APPENDIX F
F-4
COLD WATER IN
CONNECT
5/
8"
I.D
. HOSE TO CONDENSATE DRAIN
SHELL DRAIN VALVE
*
RELIEF VALVE
*
HOUSE RECIRCULATION
HOT WATER OUT
INLET BAFFLE
6
(NOTE
6)
6
TANK HEIGHT TO DIA
. RATIO
: 2
:1
MIN
.,
3:
1
PREFERRED
SIZE INLET FOR FLOW
<
2
FT
/SEC
OXYGEN ANALYZER
DIA
.=
2/
3
TANK DIA
.
EXPANSION TANK
MANDATORY GAS PRESSURE
INPUT
GAS IN
- SEE GF
-1030
FOR GAS PIPING INSTALLATION
MAINTAIN A REGULATED
8.
5"
W
.C
.
1-
1/
4"
MANUAL SHUTOFF
*
DIRT TRAP
T
T
T
THROTTLING VALVE
- SET AT
DRAIN
FLOW CAPACITY OF HEATER AT REQUIRED TEMP
. RISE
2'
(NOTE
6)
PUMP
SWITCH
TEMPERATURE
(NOTE
8)
CHECK VALVE
THERMOMETER
DRAIN VALVE
STOP VALVE
T
UNION
LEGEND
GAS FIRED WATER HEATER
KC
1000 1
MIL
. BTU
MULT
. UNIT
&
STRAT
. TANK INSTALLATION
NORTHVALE
, NJ
07647
INTERNATIONAL
, INC
.
APPD
.
DWN
.BY
SCALE
DATE
MPC
122298
DATE
SCD
NTS
111198
AERCO
SD
-A
-434
G
REV
.
PRESSURE AT MAXIMUM BTU
/H
REGULATOR
(SUPPLIED BY OTHERS
)
TAP FOR
(SEE NOTE
7)
HOSE CONNECTION
(WHEN EMPLOYED
)
(NOTE
10
)
(NOTE
12
)
BREAKER
VACUUM
VACUUM BREAKER
BACKFLOW PREVENTER
NOTES
:
1.
FOR ACTUAL SIZES AND LOCATIONS OF PIPING AND OTHER CONNECTIONS TO THE HEATER
, SEE DIMENSIONAL DRAWING
2.
SHELL DRAIN VALVE AND CONDENSATE HOSE SHOULD BE ARRANGED TO PERMIT THE FLUIDS TO DRAIN FREELY
, BY
GRAVITY
, TO A FLOOR DRAIN
. RELIEF VALVE SHOULD BE PIPED VERTICALLY TO A HEIGHT
18
" ABOVE THE FLOOR
.
3.
ALL
(*)
ITEMS ARE INCLUDED SEPARATELY IN SHIPMENT
.
4.
THIS IS A TYPICAL INSTALLATION DRAWING
. LOCAL CODES AND AUTHORITIES SHOULD BE CONSULTED
.
5.
HOSE CONNECTION AT HEATER OUTLET IS FOR INITIAL HEATER CALIBRATION DURING START
-UP
.
6.
LOCATE WATER INLET AND OUTLET FITTINGS
(i.
e.
UNIONS
, ELBOWS
, ETC
.)
A MINIMUM OF
6"
FROM WATER HEATER
FITTINGS
, TO PREVENT INTERFERENCE WITH REMOVAL OF HEATER PANELS
. WHEN A FLEX CONNECTOR IS FACTORY
SUPPLIED BY AERCO
, IT MUST BE INSTALLED AT THE HOT WATER OUTLET CONNECTION OF THE WATER HEATER
. ALL
PIPING
&
ELECTRIC CONNECTIONS SHOULD BE
6"
AWAY FROM SIDE PANELS
. LOCATE GAS PRESSURE REGULATOR A
MINIMUM OF
2'
FROM HEATER
.
7.
PUMP SHOULD BE CAPABLE OF HEATER
'S RATED FLOW AT DESIGN TEMPERATURE RISE
.
8.
MOUNT TEMPERATURE SWITCH
1/
3
UP FROM THE BOTTOM OF THE TANK
, SWITCH WILL TURN PUMP ON AND OFF
.
9.
HEATERS SHOULD BE PIPED REVERSE RETURN AS SHOWN OR BALANCING DEVICES ON THE HEATERS SHOULD BE
EMPLOYED
.
10
. IF PERMITTED BY LOCAL CODES
, A CHECK VALVE MAY BE USED IN PLACE OF A BACKFLOW PREVENTER
.
11
. CONSULT LOCAL CODES FOR PROPER TYPE OF CONNECTIONS TO STORAGE TANK
.
12
. WHEN REQUIRED BY LOCAL CODES
, A VACUUM BREAKER MUST BE INSTALLED WITH THE STORAGE TANK
.