Emerson PFH020A-L, User Manual

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Maintenance Inspection Checklist
63 Liebert
®
Mini-Mate2
™
10.0 M
AINTENANCE
I
NSPECTION
C
HECKLIST
Make photocopies of this form for your records
Date: Prepared By:
Model #: Serial Number:
NOTE
Reheat element sheaths and fins are manufactured with stainless steel. Regular inspections
are necessary to assure proper cleanliness of the reheating element. Should inspection reveal
corrosion particles on the reheating element or adjoining surfaces (including ducts and
plenums), appropriate cleaning should be performed. Periodic reheating element replacement
may be required to meet specific application requirements.
MONTHLY
Filters
___ 1. Check for restricted airflow.
___ 2. Check for filter.
___ 3. Wipe section clean.
Humidifier
___ 1. Check canister for mineral deposits.
___ 2. Check condition of electrodes.
___ 3. All hoses and fittings tight.
___ 4. Check water make-up valve for leaks.
Drain Lines
___ 1. Check for obstructions and sediment
buildup.
___ 2. Check for external damage and/or
corrosion.
___ 3. Check for leaks.
Fan Section
___ 1. Impellers free of debris
___ 2. Bearings in good condition
SEMIANNUALLY
Compressor Section
___ 1. Signs of oil leaks
___ 2. Vibration isolation
Refrigeration Cycle
___ 1. Suction pressure
___ 2. Head pressure
___ 3. Superheat
___ 4. Evaporator coil clean
___ 5. Insulation intact
Air-Cooled Condensing Unit (if applicable)
___ 1. Condenser coil clean
___ 2. Motor mount tight
___ 3. Bearings in good condition
___ 4. Refrigerant lines properly supported
Flood Back Head Pressure Control
(if applicable)
___ 1. Check refrigerant level
Water or Glycol-Cooled Condensing
___ 1. Water valve adjustment
___ 2. Water flow
___ 3. Water leaks
Glycol Pump (if applicable)
___ 1. Glycol leaks
___ 2. Pump operation
___ 3. Glycol solution
___ 4. pH level
Electric Panel
___ 1. Check electrical connections
___ 2. Operational sequence
Notes:
Signature