Figure 6: Recommended Piping for Circulation Systems
I_=o n o91
NOTE:
Applications, using this piping arrangement maintains full warranty.
For this application:
Pump should be controlled by an Aqua- stat, Timer or Combination Aquastat and Timer.
Pump to be sized to maintain circulation
The pump should be sized to overcome the pressure loss through the tank water
heater, and supply and return plumbing. loop temperature.
Pump to be of bronze or stainless construction.
oo
Water Heater
Equipment | List |
| QTY | |||
Water | Heaters |
| 1 | |||
Plumbing | installation | I | ||||
Kit | (Optional) |
|
|
| ||
(314" | Fittings | Include: |
| |||
2 | Unions, | 2 Ball | Valves, |
| ||
2 | Drain | Valves | and |
| ||
I Pressure Relief Valve.)
OO
3/4" Gas Connection
L6
_..}_s Supply
Minimum 3/4" Cold Water sUpprLVLine
Tank Water Heater to be Sized for
|
| Heat Loss of Circulation Loop. | Building Supply |
|
|
| |
IMPORTANT: Connect the building |
|
|
|
return line to the hot water supply line._ | ___ | Electreia_Water I | Ux' u"n |
heater. | |||
as close as possible to the water |
|
| |
|
| Expansion Tank |
KEY
I _ | 3/4" | Ball | Valve | S | Pressure | Regulator |
Z | 3/4" | Union |
| _ | Circulating | Pump |
| CheckValve |
| _ | Boiler Drain Valve | ||
[] | Pressure | Relief Valve | D_ | Solenoid | Valve | |
This is not an engineered drawing. It is intended only as a guide and not as a replacement for professionally engineered project drawings. This drawing is not intended to describe a complete system. It is up to the
contractor/engineer to determine the necessary components and configuration of the particular system being installed. This drawing does
not imply compliance with local building code requirements. It is the
responsibility of the contractor/engineer to ensure installation is in accordance with all local building codes. Confer with local building officials before installation,
16 | 305 & 505 Outdoor Manual |