Maintenance Worksheet - Emerson Liebert Challenger iCOM 3000 Operation & Maintenance Manual

50 & 60hz

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Table Of Contents

Table of Contents

5.0

AINTENANCE

Inspection Date

Indoor Unit Model #

Condenser/Drycooler Model

EconoPhase Model

Room Temperature/Humidity

Source: DPN002952-Rev. 0

Good maintenance practices are essential to minimizing operation cost and maximizing product life.

Read and follow all applicable maintenance checks listed below. At a minimum, these checks should

be performed semiannually. However, maintenance intervals may need to be more frequent based on

site-specific conditions. Review the unit user manual for further information on unit operation.

Emerson recommends the use of trained and authorized service personnel, extended service contracts

and factory-certified replacement parts. Contact your local Emerson representative for more details.

EVAPORATOR / FILTERS

___ 1. Check/replace filters

___ 2. Grille area unrestricted

___ 3. Wipe section clean

___ 4. Coil clean

___ 5. Clean condensate pan

___ 6. Clean trap in condensate drain

___ 7. Check/test filter clog switch operation (if equipped)

BLOWER SECTION (Centrifugal) (If Equipped)

___ 1. Blower wheels free of debris

___ 2. Check belt tension and condition (replace if needed)

___ 3. Check/lube bearings. (DS bearings are sealed and do not require lubrication even though

grease fittings are present)

___ 4. Check/Lube motor (if supplied with grease ports). Check motor manufacturer's Web site for

procedure, amount and type of grease required.

___ 5. Check sheave/pulley (replace if worn)

___ 6. Check motor mount

___ 7. Check/test air sail switch (if equipped)

___ 8. Motor #1 amp draw

___ 9. Motor #2 amp draw

___ 10. Motor #3 amp draw

___ 11. Compare to nameplate amps

™

Liebert

Challenger 3000

ORKSHEET

Job Name

Indoor Unit Serial #

Condenser/Drycooler Serial #

#EconoPhase Serial #

° /

Ambient Temperature,

Check All That Apply