![Express SERIES](http://html.mh-extra.com/html/express/series-h/series-h_installation-operation-and-maintenance-manual_2452458043.webp)
43
HUMIDIFIER MAINTENANCE CHECKLIST:
CYLINDER/SYSTEM CHECK:
• “Service Required” warning (Cylinder Life Counter)
yes
no
• Fault cylinder spent
yes
no
(If panel displays “Service Required” warning and the warning states “Cylinder near end of life” the cylinder will need to be
replaced
soon.)
• Orange LED on with high water warning
yes
no
(If orange LED is on with High Water Warning and cylinder is not new, cylinder may have to be replaced soon.)
• Other warnings or faults shown in display
yes
no
(See Troubleshooting chapter for actions to address warnings and faults if present.)
REPLACE CYLINDER:
• Drain cylinder, first with water shutoff open
yes
no
• Drain cylinder, next with water shutoff closed
yes
no
• Disconnect open, On/Off switch is off, water shut off closed
yes
no
• Remove cylinder
yes
no
• Drain valve removed/cleaned/new O-ring
yes
no
• Optionally added lubricating sealant to O-ring (C series only) yes
no
• Drain valve installed/ground wire attached
yes
no
• New cylinder installed and hose clamps tightened
yes
no
New cylinder model # _____________________________
(Should be same as removed cylinder.)
• Cylinder plug numbers match cylinder numbers
yes
no
• Cylinder plugs snug and in good condition
yes
no
• Electrical wiring not loose and in good condition
yes
no
• Steam and condensate hoses in good condition/no kinks in hose
yes
no
• No signs of water leaking around humidifier, internal plumbing,
steam line, condensate returns
yes
no
• Door replaced, water shut off valve opened, On/Off switch to on,
disconnect
closed
yes
no
• “Reset Cylinder Life Counter” in settings. (Settings password: 1212) yes
no
Started by: ________________________________________ Date of Startup: ___________________
Company: ________________________________________
Unit Serial #: _____________________ No. of Humidi
fi
ers: ______________________________________________
Model #: _________________________________ Voltage: _______ V/ ___ Ph.
Steam Output: _______ lb./hr.
Customer/Job: ___________________________ Address: ______________________________________________