P/N 3034041_D 31
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
VRM Merchandisers
Self-Contained Refrigeration Equipment Maintenance Check List
* * * * * Warranty does not cover issues caused by improper installation or lack of basic preventative maintenance. * * * * *
Technician
PM date
PM activity-For visual inspection items, denote "ok or
complete" in the column to right when PM has been
performed. For measured data requested, record data
requested in the appropriate column to the right)
Quarterly
Semi-
Annually
Ql
Q2
Q3 Q4
Ql
Q2
Q3 Q4
Check in with store manager, record any complaints or issues
they have with unit.
Look unit over for any damage, vibrationsor abnormal noise.
Verify unit is lev el side to side and front to rear.
Confirm refrigerant lines properly are secured and not touching
or rubbing other lines, wires or frame work.
Verify fan motors and motor mounts are tight.
Confirm fan blade/s are tight and not rubbing or hitting.
Make sure all electrical connections, factory and field, are tight.
Verify electricalconnections at lamps are they secure and dry.
Check for and replace any frayed or chaffed wiring.
Check all electrical wiring make sure it is secured and not on
any sharp edges or hot lines.
Check for air disturbances external l to the unit. Heat and air
registers, fans, and doors etc.
Check for water leaks.
Clean evaporator coil/s and fan blade/s. Do not use an acid
base cleaner. Rinse off any cleaner residue.
Clean discharge air honeycombs or grilles. Do not use an acid
base cleaner. Rinse off any cleaner residue.
Clean condenser coil/s and fan blade/s. Do not use an acid base
Cleaner. Rinse off any cleaner residue.
Clean condensate drain pan and drain line.
Verify condensate drain lines are clear and functioning.
Record voltage reading at unit with unit off?
Verify condenser and evaporator fans are working.
Record condenser air inlet temperature
Record condenser air outlet temperature
Is condenser air inlet or air exhaust restricted or recirculating?
Use a handheld propane leak detector ("sniffer") to check
for refrigerant leaks.
Record voltage reading with unit running.
Record compressor amp draw.
x
Record defrost heater voltage and amp draw.
x
Record anti-sweat heater voltage and amp draw.
x
Record case product temperature.
x
Record unit discharge air temperature.
x
Record unit return air temperature.
x
Record ambient conditions around unit (wet Bulb temperature
and dry bulb temperature).
x
Check product loading, do not load beyond the units load limits.
x
Verify clearances on sides/back of unit.
x
Check unit controller for proper operation. See controller or 1/0
Manual for proper controller operation.
x
Confirm door switches function.
x
Verify unit doors and lids work and are sealed correctly.
x
Verify that all the panels, shields and covers are in place.
x
Technician Notes:
Form HSCW03 Rev-29 OCTOBER13
x