Internet Version for Reference Only
B4 Volume Water Heater | Page 13 |
|
|
|
|
180° | 140° |
Water | |
Water | To Bldg. |
To Bldg. |
|
Conventional
Tank
24" Min.
B
Cold
Water
| 140° | Water |
| Return | |
| From Bldg. | |
H |
| 180° Water |
|
| Return |
|
| From Bldg. |
C | H |
|
J | C | Pump |
D |
|
To | To Drain |
Drain |
|
| K |
| K |
| E |
With
Horizontal
Tank
Legend
B - Check Valve in Hot Water Supply to Tempering Valve
C - Check Valve in Return Line from Building Loop
D - Tempering Valve
E - Venturi (Suction) Tee
H - Throttling Valves in Building Loop
Returns
I - Circulating Pump for 180° Building Loop
J - Circulating Pump for 140° Building Loop
K - Service Valves to Isolate Heater and Pump for Service
Cold Water
180° Water To Bldg.
140° Water To Bldg.
D
Conventional
Tank
Pump
B 
To
Drain
K
E
140°Water |
| |
Return |
|
|
From Bldg. | With | |
180°Water |
| |
| Vertical | |
Return |
| |
From Bldg. |
| Tank |
| H | |
|
| |
H | C |
|
|
| |
C |
| J |
|
| |
I | Legend | |
| B - Check Valve in Hot Water Supply | |
|
| to Tempering Valve |
| C - Check Valve in Return Line from | |
|
| Building Loop |
| D - Tempering Valve | |
To Drain | E - Venturi (Suction) Tee | |
H - Throttling Valves in Building Loop | ||
Returns
I - Circulating Pump for 180° Building
Loop
J - Circulating Pump for 140° Building Loop
K - Service Valves to Isolate Heater and Pump for Service