Part Number 80-01111-9 7/10 187
QM20/QM30/QM45
Do not purge refrigerant to the atmosphere. Capture
refrigerant using recovery equipment. Follow the
manufacturer’s recommendations.
CONNECTIONS
The QM series ice machines are critically charged.
There are no refrigerant access ports on QM series ice
machines.
1. Locate the high and low side process tubes.
2. Install a piercing valve (saddle valve) on both the
high and low side process tubes.
Manitowoc Ice assumes no responsibility for the
use of contaminated refrige rant. Damag e
resulting from the use of contaminated refrigerant
is the sole responsibility of the servicing company.
Replace the liq uid line drie r before e vacuating
and recharging. Use onl y a Man itowoc (O.E.M.)
liquid lin e filter drier to preven t voidi ng th e
warranty.
Remove piercing va lves af ter charg ing. Un it is
critically charged.
Purge system wi th nitroge n wh ile brazing to
prevent build u p of co pper oxide in the
refrigeration system.