Figure 7: Optional Piping for Circulation Systems
NOTE:
Applications, using this piping
arrangement reduces the
warranty to the following:
3 years on heat exchanger
3 year on parts
Full warranty will be maintained if an
For this application:
oo
Water Heater
Equipment ListQTY
Water Heaters | 1 |
Plumbing Installation 1
Kit (Optional)
(314" Fittings Include:
2 Unions, 2 Ball Valves,
2 Drain Valves and
I Pressure Relief Valve.)
Pump should be controlled by an Aquastat,
Timer or Combination Aquastat and Timer.
Pump to be sized to maintain circulation loop temperature.
o
A minimum of 3 GPM flow is recommended
for the circulation system.
The pump should be sized to overcome the T
pressure loss through the water heater, supply and return plumbing.
Pump to be of bronze or stainless construc- tion.
Note: | Water heater outlet temperature |
|
| cannot be adjusted when |
|
| circulation pump is running. |
|
| Minimum 3/4" Hot Water |
|
| Supply Line |
|
| (Optional) | |
| ||
| Storage | Tank |
| (To eliminate cold water | |
| 0 |
|
| sandwich effect caused by | |
| frequent | On/Off operation) |
o
3/4" Gas Connection
Gas Supply
Minimum 3/4" ColdWater Supply Une
Expansion Tank
Building Fixture Outlets | _ | ; |
KEY
I & | 3/4" | Ball | Valve |
| _ | Pressure | Regulator |
3/4" | Union |
|
|
| Circulating | Pump | |
|
|
|
|
|
| ||
| Check | Valve |
|
| Boiler Drain Valve | ||
|
|
|
|
|
| ||
Z_ | Pressure | Relief | Valve | [_ | 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.
305 & 505 Outdoor Manual | 17 |
