Sterlco 140 to 6,285 Gallon Pump Tanks - Manual (Page 34)

Pump Tanks Chapter 6: Appendix 34 of 36
Typical Dual Well Cooling Tower Pump Tank Piping System
P P
Cooling tower
Bypass
Tower water return
Tower water supply
1/4" swing check valve mounted 12"
above highest point in return piping
3/8" drain intended to
prevent tower freeze-up.
Do NOT valve.
3/4" constant bleed
Overflow
Dual well
tower water
reservoir
Strainer basket
Cold side T
Drain
Recirc. pump motor
Cooling tower fan
control (optional)
Hot side T
To drain
P P
P-1 P-2 P-3
P
Return
Standby
Makeup
Backflow preventer
(by others)
control (standard)