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MAINTENANCE

P/N 3110586_A 

U.S. & Canada 1-800-922-1919 • Mexico 01 800-890-2900 • www.hussmann.com

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

Technician

PM

date

PM

activity-For 

v

is

ual

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

wi

th

unit.

x

Loo

k

unit

over for any damage,

vibratio

n

s

or

abnormal

noise.

x

Verify

unit is level 

side 

to

side

and front to rear.

x

Confirm refrigerant lines properly are

secured and

not touching

or rubbing other

lin

es, wires

or frame

work.

x

Verify

fan motors

and

motor mounts are

ti

ght

.

x

Confirm fan blade/s are tight and not rubbing or hitting.

x

Make

sure all

electrical connections, factory

and

field, are tight.

x

Verify electrical

connections at

lamp

are they

secure

and dry.

x

Check for

and

replace any frayed or chaffed

wiring.

x

Check

a

ll

electrical  wiring 

make

sure

it is

secured

and not on

any sharp edges

or hot lines.

x

Check for air disturbances

external

l

to the unit. Heat and air

registers, fans,

a

nd

doors etc.

x

Check for

wa

ter

leaks.

x

Clean

evaporator

coil/s and fan blade/s. Do

not 

use an acid

base cleaner. Rinse off

any

cleaner residue.

x

Clean discharge air honeycombs or grilles. Do not use

an

acid

base cleaner. Rinse off any cleaner residue.

x

Clean condenser coil/s and fan blade/s. Do not use

an

acid base

Cleaner. Rinse off any cleaner residue.

x

Clean condensate drain pan and drain

lin

e.

x

Verify

condensate drain

lin

es 

are clear and functioning.

x

Record

vo

ltage

reading at unit

with unit

off?

x

Verify

condenser and

evaporator

fans

are working.

x

Record condenser air inlet temperature

x

Record condenser air outlet temperature

x

I

condenser

air

inlet or air

exhaust

restricted or recirculating?

x

Verify there are no

visua

l

oil or refrigerant

l

eaks.

x

Record voltage reading

w

ith

unit running.

x

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

lo

ading,

do not

load

beyond the units

load limit

s.

x

Verify 

clearances 

o

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

P/N

0525210_C

Содержание MicroSC ISMGG2DA-A

Страница 1: ...t can be circulated by the fans If propane gas is present or even suspected do not allow untrained personnel to attempt to nd the cause The propane gas used in the unit has no odor The lack of smell d...

Страница 2: ...s present or even suspected do not allow untrained personnel to attempt to find the cause The propane gas used in the unit has no odor The lack of smell does not indicate a lack of escaped gas If a le...

Страница 3: ...ecover Refrigerant 2 3 Charging 2 3 Waste Outlet and Water Seal 2 4 START UP OPERATION Controller Operation 3 1 Key Function 3 2 Further Information 3 2 Connections 3 3 LED 3 4 KDE PLUS Buttons 3 5 Se...

Страница 4: ...ucts ATTENTION Merchandiser must operate for 24 hours before loading product Regularly check merchandiser temperatures Do not break the cold chain Keep products in cooler before loading into merchandi...

Страница 5: ...nt should be thoroughly examined for shipping damage before and during unloading This equipment has been carefully inspected at our factory Any claim for loss or damage must be made to the carrier The...

Страница 6: ...of the unit UPPER ISLAND LOWER ISLAND AIR INTAKE AIR EXHAUST 1 3 This warning does not mean that Hussmann products will cause cancer or reproductive harm or is in violation of any product safety stand...

Страница 7: ...Use a forklift or dolly to remove the merchandiser from the trailer EXTERIOR LOADING Do NOT walk on top of merchandisers or damage to the merchandisers and serious personal injury could occur Do not...

Страница 8: ...se Carefully remove the strapping wrapped around the case Remove white protectors around the case 10 pieces 4 Remove the frontal screws from the skid crate brackets 4 brackets total 5 Identify the tal...

Страница 9: ...he power cord is located below the frontal baffle taller case attached with cable ties 6 Lift case with forklift and remove the screws from the shipping braces both sides of the case in order to set t...

Страница 10: ...wear cracks chipping or peeling To avoid these impacts it is required to install a floor bumper or alike around the case or other type of protection to prevent damage to the wood SEALING MERCHANDISER...

Страница 11: ...e all the screws from Corner High Side LH 2 Remove screws from corner low side LH only the ones attached to wood panel end LH 3 Carefully pull the Wood Panel End LH to the right NOTES 1 APPLICABLE STA...

Страница 12: ...d to wood panel front 4 Carefully pull the wood panel front to the left 5 Remove screws on the condensing unit baffle Remove the baffle to access the condensing unit Pull Wood Front Panel to the Left...

Страница 13: ...xtension cord 6 Ensure that the proper electrical requirements for the equipment are supplied 7 Verify field electrical connections are tight 8 Verify all electrical wiring is secured and clear of any...

Страница 14: ...1 10 INSTALLATION P N 3110586_A U S Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com NOTES...

Страница 15: ...Do not use an extension cord Never plug in more than one merchandiser per electrical circuit Always use a dedicated circuit with the amperage stated on the unit Plug into an outlet designed for the pl...

Страница 16: ...0 propane equipment Failure to follow instructions can result in an explosion death injury and property damage If a leak is detected follow store safety procedures It is the store s responsibility to...

Страница 17: ...harge the system The charge amount is shown on the serial plate Only R 290 grade refrigerant can be used Standard propane does not meet the purity moisture content of R 290 and therefore cannot be use...

Страница 18: ...of the service tubes before brazing them shut Remove all service ports If a Schrader valve is used on the compressor service tube it must be removed and the previous steps followed in order to braze t...

Страница 19: ...F A complete list of setpoints can found on a separate document that shipped with the case The document number is P N 3056058 a The setpoint is the adjustable pre programmed temperature b The differe...

Страница 20: ...URTHER INFORMATION INPUT CHARACTERISTICS Measurement range Accuracy Resolution Buzzer NTC 50 0 C 110 C on 3 digit display with sign 1 0 for temperatures below 30 C 0 5 for temperatures between 30 C an...

Страница 21: ...o KDEPlus or KDWPlus external keyboard or ECPlus echo module 3 LINE These are power supply terminals 19 18 PB1 probe connection 4 OUT2 Shared Terminal 21 20 PB2 probe connection 5 N O OUT2 23 22 PB3 p...

Страница 22: ...rmanently on Defrost active Blinking Activated manually or from Digital Input OFF otherwise 3 Fans Permanently on Fans active OFF otherwise 4 Reduced SET Economy Permanently on Energy Saving active Bl...

Страница 23: ...ed and released Press for at least 5 secs Start up 1 Scrolls through menu items Decreases values Activates the Manual Defrost function from outside menus 2 Scrolls through menu items Decreases values...

Страница 24: ...y Action Pressed and released Press for at least 5 secs Start up 1 Scrolls through menu items Decreases values Activates the Manual Defrost function from outside menus 2 Scrolls through menu items Dec...

Страница 25: ...20 19 18 GND D GND D OC 12V TTL RS 485 MODULE OPTIONAL SENSOR TEMP DEFROST ORANGE 12V D GND KEYB 15 cm MAX NEUTRO NEUTRO PB1 PB2 SENSOR TEMP AIR GREEN KEYB 12V OC D GND D GND RS 485 MODULE OPTIONAL NE...

Страница 26: ...mperatures should be measured at the center of the discharge honeycomb Defrosts are time initiated and temperature terminated The defrost setting is factory set as shown above To ensure a thorough def...

Страница 27: ...placed inside the merchandisers until merchandisers are at proper operating temperature Allow merchandiser 24 hours to operate before loading product Proper rotation of product during stocking is nec...

Страница 28: ...3 10 STARTUP OPERATION P N 3110586_A U S Canada 1 800 922 1919 Mexico 01 800 890 2900 www hussmann com NOTES...

Страница 29: ...with water Never introduce water faster than the waste outlet can remove it Self contained models empty into an evaporation pan that will overflow if too much water is introduced during cleaning Do U...

Страница 30: ...nser coils should be cleaned at least once per month Additional cleaning may be needed depending on the operational environ ment A dirty condenser blocks normal airflow through the coils NEVER USE SHA...

Страница 31: ...operating Remove accumulated debris from the evaporation pan Wipe down heater coil with a cloth and warm water Be sure to remove any dirt debris or liquids from the heater coil Water introduced during...

Страница 32: ...unit Heat and air registers fans and doors etc x Check for water leaks x Clean evaporator coil s and fan blade s Do not use an acid base cleaner Rinse off any cleaner residue x Clean discharge air hon...

Страница 33: ...ere is no voltage in the refrigerator Remove front grille to have acess to the machine compartment 3 Remove condensing unit screws 4 Slide out the condensing unit Fig A Be careful using the condesing...

Страница 34: ...ct direction 11 Close air gaps under fan plenum Warmer air moving into refrigerated air reduces effective cooling If the plenum does not rest against the case bottom without gaps apply foam tape to th...

Страница 35: ...information or other support contact your Hussmann representative Please include the model and serial number of the product Hussmann Corporation Corporate Headquarters Bridgeton Missouri U S A 63044 2...

Страница 36: ...Hussmann Corporation 12999 St Charles Rock Road Bridgeton MO 63044 2483 www hussmann com...

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