Maintenance
DRANE-KOOLER maintenance.
Maintenance:
Maintenance instructions
Step-by-step maintenance instructions
q Shut off cold water supply.
q Disconnect service unions at:
Cold water supply inlet
Hot water inlet
Tempered water drain outlet
q Remove the DRANE-KOOLER from piping
and take to a service sink. Add water and,
with pipe caps or hands covering the hot water
inlet and tempered water outlet, shake the
DRANE-KOOLER to dislodge mineral deposits.
Dump mineral deposits and rinse.
q If severe mineral accumulation has occurred,
remove the thermal sensor from the
DRANE-KOOLER chamber and gently clean
the sensor with an abrasive pad. Do not twist the
capillary tube during removal or cleaning.
q Reconnect service unions and open cold water
supply valve to resume operation.
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