Lochinvar SQUIRE SDT/SET065 - 119 - Manual (Page 26)

SDT/SET Installation & Operation Manual
26
9
High Output Piping
BACKFLOW
PREVENTER
PRESSURE
REDUCING
VALVE
PRESSURE
GAUGE
MAKE UP WATER
SYSTEM
SUPPLY
SENSOR AIR
SEPARATOR
TO
SYSTEM
FROM
SYSTEM
HOT
WATER
OUT
NOT TO EXCEED 4 PIPE DIA. OR
A MAXIMUM OF 12” APART
Y-STRAINER
(RECOMMENDED)
BOILER
CIRCULATOR
BOILER BACKUP
HEAT EXCHANGER
(SDT MODELS ONLY)
ANTI-SCALD
MIXING VALVE
COLD
WATER
IN
TEMPERATURE/
PRESSURE
RELIEF VALVE
BOILER
TANK SENSOR/
AQUASTAT
SOLAR SENSOR
RECIRCULATION
PUMP
CHECK VALVE
DRAIN
(FIELD SUPPLY)
SQUIRE
SOLAR
HEAT EXCHANGER
KNIGHT
BOILER
PRESSURE
RELIEF VALVE
DRAIN
TEMPERATURE/
PRESSURE
GAUGE
UNION
(TYPICAL)
DOMESTIC
HOT WATER
CIRCULATOR
DRAIN POINT
(TYPICAL)
EXPANSION
TANK
SYSTEM
CIRCULATOR BALL VALVE
(TYPICAL)
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 380 438 301,217
SDT080 20 180° F 391 461 301,217
SDT119 20 180° F 530 631 376,463
065 &
080
119
FLOW
FRICTION LOSS SDT SERIES
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
0 5 10 15 20 25 30 35
Table 9B SDT Series Friction Loss