Install Instructions

SDT/SET Installation & Operation Manual
11
KNIGHT
BOILER
DOMESTIC
HOT WATER
CIRCULAT
OR
BACKFLOW
PREVENTER
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
ANTI-SCALD
MIXING VALVE
COLD
WATE R
IN
TEMPERATURE
/
PRESSURE
GAUGE
AIR
SEPARATOR
EXPANSION
TANK
BALL
VALVE
(TYPICAL)
UNION
(TYPICAL)
PRESS
U
RE
RELIEF VALVE
DRAIN POINT
(TYPICAL)
MAKE UP WATER
FROM
SYSTEM
NOT TO
EXCEED 4 PIPE DIA. OR
A MAXI
MUM OF 12
"
APART
BOILER
CIRCULAT
OR
S
YSTEM
CIRCULATOR
TO
SYSTEM
SYSTEM SUPPLY
SENSOR
DRAIN
DRA
IN
(FIELD SUPPLY)
R
ECIRCULATION PUMP
BOILER
TANK SENSOR /
AQUASTAT
Y-STRAINER
(RECOMMENDED)
HOT
WATE R
OUT
CHECK VALVE
S
QUIRE
SO
LAR SENSOR
FROM SOLAR
T
O SOLAR
TEMPERA
TURE/
PRESSURE RELIEF
V
ALVE
CHECK VALVE
SOLAR
HEAT EXCHA
N
GER
TEMPERATURE/
PRESSURE GAUGE
(TYPICAL
)
BOILER
BACKUP
HEAT EXCHANGER
(SDT MODELS ON
LY)
DIRT SEPARATOR
(RECOMMENDED)
DIR #2000570749_000
Figure 3-3 Knight Boiler Primary / Secondary Piping
Please note that these illustrations are meant to show system piping concept only, the installer is responsible
for all equipment and detailing required by local codes.
NOTICE
3 Boiler Side Piping (SDT models) (continued)