Install Instructions

SDT/SET Installation & Operation Manual
27
9 High Output Piping (continued)
PRESSURE
REDUCING VALVE
PRESSURE
GAUGE
BACKFLOW
PREVENTER
MAKE UP WATER
SYSTEM
SUPPLY
SENSOR
AIR
SEPARATOR
TO
SYSTEM
BALL VALVE
(TYPICAL)
SYSTEM
CIRCULATOR
EXPANSION
TANK
DRAIN POINT
(TYPICAL)
FROM
SYSTEM
COLD
WATER
IN
ANTI-SCALD
MIXING VALVE
HOT
WATER
OUT
TEMPERATURE/
PRESSURE
RELIEF VALVE
BOILER
TANK SENSOR/
AQUASTAT
SOLAR SENSOR
NOT TO EXCEED 4 PIPE DIA. OR
A MAXIMUM OF 12 “ APART
Y-STRAINER
(RECOMMENDED)
DOMESTIC
HOT WATER
CIRCULATOR
BOILER
CIRCULATOR
BOILER BACKUP
HEAT EXCHANGER
(SDT MODELS ONLY)
UNION
(TYPICAL)
TEMPERATURE/
PRESSURE
GAUGE
DRAIN
PRESSURE
RELIEF VALVE
KNIGHT
BOILER
SQUIRE
SOLAR
HEAT EXCHANGER
DRAIN
(FIELD SUPPLY)
CHECK VALVE
RECIRCULATION
DIRT SEPARATOR
(RECOMMENDED)
DIR #2000570752_000
Figure 9-1 Indirect Boiler with Series 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
Table 9A
Series Configuration
Model
Boiler
Flow
GPM
Boiler
Loop
Temperature
Continuous
Draw
GAL/HR*
First Hour
Rating
GAL*
Max Input
BTU/HR
SDT065
20 180° F 380 438 284,886
SDT080
20 180° F 391 461 293,133
SDT119
20 180° F 530 631 397,341
0.00
20.00
40.00
60.00
80.00
100.00
120.00
10 15 20 25 30 35 40 45 50 55
FT/HD
GPM
FRICTION LOSS SDT SERIES
065 & 080
119
Table 9B SDT Series Friction Loss
* Tank temperature 140°F.