User manual

Maintenance
Liebert
®
DS
™
140
13.5 Humidifier—Steam Generating
The humidifier drains and refills to maintain a current setpoint and alert the operator when the
humidifier canister needs to be replaced.
Figure 103 Steam generating humidifier canister
13.5.1 Replacing the Steam Generating Humidifier Canister
After an extended period of operation, in accordance with life expectancy information, the cylinder is
completely used as indicated by the amber high water sensor light illuminated on the cabinet. When
this condition is reached, a new replacement cylinder is to be installed.
!
WARNING
Risk of electric shock. Can cause injury or death.
Disconnect local and remote power supplies before working within.
Before proceeding with installation, read all instructions, verify that all the parts are included
and check the nameplate to be sure the voltage matches available utility power.
Follow all local codes.
!
WARNING
Risk of improper wiring, piping, moving, lifting and handling. Can cause equipment damage,
injury or death.
Only properly trained and qualified service personnel should work on this equipment.
Read all installation, operating and safety instructions before proceeding.
Read and follow all warnings in this manual.
!
WARNING
Risk of fire. Can cause equipment damage, injury or death.
Do not ignore humidifier problem alarms. Resetting humidifier without addressing cause may
result in fire or damage due to leaking water. See Table 60, for alarm corrective actions.
NOTE
The amber high water sensor light may come on during initial startup but this instance does
not indicate that the cylinder should be replaced.