Table of Contents
Advertisement
46 | Installation schemes
8
Installation schemes
The following shows possible system diagrams.
NOTICE: Application drawings in this manual are
conceptual only and do not purport to address all design,
installation, code, or safety considerations. The diagrams
in this manual are for reference only for code officials,
designers and licensed installers. It is expected that
installers have adequate knowledge of national and
local codes, as well as accepted industry practices, and
are trained on equipment, procedures, and applications
involved. Drawings are not to scale. Refer to the boiler,
control and module installation manuals for additional
detailed information.
8 .1
Multiple zone with indirect tank (pump for each zone)
Purge Drain
Outdoor air
sensor
DHW Sensor
or Aquastat
Heating
zone
Auto-Fill
T
Air
Eliminator
Flow Check
Condensate
drain
Room
Thermostat
Expansion
Tank
Relief valve
and
pressure
gauge
Back-flow
preventer
Shut-off
valve
Supply
sensor
Domestic
Hot Water
Circulator
Fig. 74
6720818456 (2018/06) US
T
T
T
T
T
3
4
...
The following system diagrams are showing primary/secondary piping. As
alternative a appropriate sized low loss header can also be used. When
using primary/secondary piping please follow the following guidelines:
Secondary
Supply
"D"
Minimum 8 X "D"
Maximum 4 X "D"
Not to exceed 12"
Primary Loop
Fig. 75
1
Zone relay
X X
2
Secondary
Return
"D"
Minimum
4 X "D"
5
(optional)
SSB
Advertisement
Table of Contents
