Install Instructions

www.emersonclimate.com/flowcontrols
ACK Check Valves
ACK Check Valves
Instruction Sheet
PA-00327
January 2009
11911 Adie Road P.O. Box 411400 St. Louis MO 63141 USA CUSTOMER SERVICE [phone]
Safety Instructions
For use with CFC, HFC and HCFC refrigerants listed in
CAN/CSA B52, ANSI/ASHRAE 34 and ANSI/ASHRAE 15
sec. 9.2 where the saturation vapor pressure at 125°F
(high side) and 80°F (low side), is less than the maximum
design working pressure. After charging, mark unit with
refrigerant type and oil type.
1. WARNING: The system must be pumped down and
lines must be depressurized before attempting to
install. Failure to do so could result in serious
bodily injury.
2. Assure that flow arrow points in the direction of
desired flow.
3. Properly clean and prepare joints. Flux if necessary.
4. The valve body should be wrapped with a water
saturated cloth (wet ragged) to prevent overheating of
internal components.
5. Flame should be directed away from valve body to
prevent overheating.
6. Allow connection to cool naturally, do not quench.
7. For use with CFC, HFC, and HCFC refrigerants listed
in CAN/CSA B52, ANSI/ASHRAE 34 and ANSI/
ASHRAE 15 sec. 9.2 where the saturation vapor
pressure at 125°F (high side) and 80°F (low side) is
less than the maximum design working pressure.
8. After charging, mark unit with refrigerant type and oil
type.