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P/N 3141959_C
Self-Contained Refrigeration Equipment Maintenance Check List
* * * * * Warranty does not cover issues caused by improper installation or lack of basic preventative maintenance. * * * * *
Record starting
date
Store
Name and Number
Store
Address
Unit
Model
Number
Unit
Serial Number
Contractor/Technician
PM
activity-For
visual
inspection items,
complete"
in the
column
to
right
when PM has been
performed.
For
measured
data
requested, record
requested in the
appropriate column
to the
Check in
with store
manager, record
any complaints
they have
with
unit.
Look
unit
over for any damage,
vibrations
or
Verify
unit is level
side
to
side
and front to rear.
Confirm refrigerant lines properly are
secured and
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
Verify
electricalconnections at
lamps
are they
Check for
and
replace any frayed or chaffed
Check
all
electrical wiring
make
sure
it is
secured
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
base cleaner. Rinse off
any
cleaner residue.
Clean discharge air honeycombs or grilles. Do not use
base cleaner. Rinse off any cleaner residue.
Clean condenser coil/s and fan blade/s. Do not use
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?
Verify there are no
visual
oil or refrigerant
leaks.
Record voltage reading
with
unit running.
Record compressor amp draw.
Record defrost heater voltage and amp draw.
Record anti-sweat heater voltage and
amp
Record case product temperature.
Record unit discharge air temperature.
Record unit return air temperature.
Record ambient conditions around
unit
(wet Bulb temperature
and
dry bulb temperature).
Check product
loading,
do not
load
beyond the units
Verify
clearances
on
sides/back
of unit.
Check
unit
controller for proper operation. See controller or 1/0
Manual for proper controller
operation.
Confirm door
switches
function.
Verify
unit doors and lids
work
and are
sealed
Verify
that all the panels,
shields
and covers are in place.
Technician Notes:
Form HSCW03 Rev-29 OCTOBER13
HUSSMANN CORPORATION • BRIDGETON, MO 63044-2483 U.S.A.
Technician
PM
date
denote
"ok
or
Semi-
Quarterly
data
Annually
right)
or issues
x
x
abnormal
noise.
x
not touching
x
x
x
and
field, are tight.
x
secure
and dry.
x
x
wiring.
and not on
x
x
x
not
use an acid
x
an
acid
x
an
acid base
x
x
x
x
x
x
x
x
x
x
x
x
x
draw.
x
x
x
x
load
limits.
x
x
x
x
x
correctly.
x
Ql
Q2
Q3
FNGSC-A Self Contained Merchandisers
Q4
Ql
Q2
4-5
Q3
Q4
P/N
0525210_C
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