Master Bilt LAE Controller BMG/TMG 48 s Bedienungsanleitung

BMG/TMG -27, 48, 52, 74, 80

LAE CONTROLLER

Installation & Op rations Manual

Mast r-Bilt Products

908 Highway 15 North

N w Albany, MS 38652

Phon : (800) 684-8988

PN 075-90000

Rev 4-26-11

TABLE OF CONTENTS

INTRODUCTION………………………………….……………………………………………………………………4

STORE CONDITIONS…………………………….……………….…..…………………………………………….. 4

WARNING LABELS AND SAFETY INSTRUCTIONS………..…..……………………………………………… 5

PRE-INSTALLATION INSTRUCTIONS………………………..…..………………………………….…………… 6

Inspection for Shipping Da age…………………………………………………………….…………… 6

INSTALLATION INSTRUCTIONS………………………………………………………………………………….. 6

General Instructions…………………………………………………………………………………………. 6

Mechanical ..…………………………………………………………………………………………………..6

Electrical…………...…………………………………………………………………………………………..7

Leg and Condensate Pan Installation..……………………………………………………………………..8

Doors ..…………....…………………………………………………………………………………………...8

ELECTRONIC CONTROLLER….………………………………………………………………………………..9-10

SERVICE INSTRUCTIONS ……………………………………………………………………………………..…11

TEMPERATURE SENSORS AND FAN MOTOR REPLACEMENT…………………………………………….12

FINAL CHECK LIST…………………………………………………………………………………….…………….12

MASTER-BILT PART NUMBERS ………………………………………………………………………………...13

ACCESSORIES …………………………………………………………………………………………………...13

SALE AND DISPOSAL …………………………………………………………………………………………….14

WIRING DIAGRAMS BMG/TMG...……………………………………….……..……………….………………15-17

INTRODUCTION

Thank you for purchasing a Master-Bilt cabinet. This anual contains i portant instructions for installing, using, and

servicing a Master-Bilt BMG/TMG case. A parts list is included with this anual. Read all these docu ents carefully

before installing or servicing your equip ent.

STORE CONDITIONS

The Master-Bilt BMG/TMG cases are designed to operate in the controlled environ ent of an air-conditioned store.

The store te perature should be at or below 75°F and a relative hu idity of 55% or less. At higher te perature or

hu idity conditions, the perfor ance of these cases ay be affected and the capacity di inished.

The Master-Bilt BMG/TMG should not be positioned where it is directly exposed to rays of sun or near a direct source

of radiant heat or airflow. This will adversely affect the case and will result in poor perfor ance.

If this case is to be located against a wall, there should be at least 4” space between the wall and the back of the case.

This space will allow for the circulation of air behind the case, which will prevent condensation on the exterior surfaces.

NOTICE

R ad this manual b for installing your cabin t. K p th manual and r f r to it b for

doing any s rvic on th quipm nt. Failur to do so could r sult in p rsonal injury or damag to th cabin t.

DANGER

Improp r or faulty hook-up of l ctrical compon nts on th r frig ration units can r sult in s v r injury or

d ath.

All l ctrical wiring hook-ups must b don in accordanc with all applicabl local, r gional or national

standards.

NOTICE

Installation and s rvic of th r frig ration and l ctrical compon nts of th cabin t must b p rform d by a

r frig ration m chanic and/or a lic ns d l ctrician.

The portions of this anual covering refrigeration and electrical co ponents contain technical instructions intended

only for persons qualified to perfor refrigeration and electrical work.

This anual cannot cover every installation, use or service situation. If you need additional infor ation, call or write us:

Custo er Service Depart ent

Master-Bilt Products

Highway 15 North

New Albany, MS 38652

Phone (800) 684-8988

Fax (800) 684-8988

CAUTION!

GROUND REQUIRED

FOR SAFE OPERATION

WARNING LABELS AND SAFETY INSTRUCTIONS

This sy bol is the safety-alert sy bol. When you see this sy bol on your cabinet or in this

anual, be alert to the potential for personal injury or da age to your equip ent.

Be sure you understand all safety essages and always follow reco ended precautions and safe operating

practices.

NOTICE TO EMPLOYERS

You must mak sur that v ryon who installs, us s or s rvic s your cabin t is thoroughly familiar with all

saf ty information and proc dur s.

I portant safety infor ation is presented in this section and throughout the anual. The following signal words are

used in the warnings and safety essages:

DANGER: Severe injury or death will occur if you ignore the essage.

WARNING: Severe injury or death can occur if you ignore the essage.

CAUTION: Minor injury or da age to your cabinet can occur if you ignore the essage.

NOTICE: This is i portant installation, operation or service infor ation. If you ignore the

essage, you ay da age your cabinet.

Th warning and saf ty lab ls shown throughout this manual ar plac d on your Mast r-Bilt Products cabin t

at th factory. Follow all warning lab l instructions. If any warning or saf ty lab ls b com lost or damag d,

call your custom r s rvic d partm nt at (800) 684-8988 for r plac m nts.

This label is located on top of the electrical control

This label is attached to the cabinet power cord

label and on the wiring channel. on models with a power cord.

PRE-INSTALLATION INSTRUCTIONS

INSPECTION FOR SHIPPING DAMAGE

You are responsible for filing all freight clai s with the delivering truck line. Inspect all cartons and crates for da age

as soon as they arrive. If da age is noted to shipping crates or cartons or if a shortage is found, note this on the bill of

lading (all copies) prior to signing.

If da age is discovered when the cabinet is uncrated, i ediately call the delivering truck line and follow up the call

with a written report indicating concealed da age to your ship ent. Ask for an i ediate inspection of your concealed

da age ite . Crating aterial ust be retained to show the inspector fro the truck line.

INSTALLATION INSTRUCTIONS

GENERAL INSTRUCTIONS

1. Be sure the equip ent is properly installed by co petent service people.

2. Keep the equip ent clean and sanitary so it will eet your local sanitation codes. Clean the cabinet with a ild

detergent and water, then rinse.

3. Rotate your stock so that older stock does not accu ulate. This is especially i portant for ice

crea . A "First-In, First-Out" rotation practice will keep the products in good salable condition.

4. Do not place product in the case when it is soft or partially thawed. Also, product should not be put in the case for at

least 6 hours after it is started.

5. Stock cases as quickly as possible, exposing only s all quantities to store te peratures for short periods of ti e.

6. When replacing burned out fluorescent tubes, be sure that the electrical power to the lighting circuit is turned off.

NOTICE TO STORE OWNERS / MANAGERS

Moistur or liquid around or und r th cabin t is a pot ntial slip/fall hazard for p rsons walking by or working

in th g n ral ar a of th cabin t. Any cabin t malfunction or hous k ping probl m that cr at s a slip/fall

hazard around or und r th cabin t should b corr ct d imm diat ly.

If oisture or liquid is observed around or under a Master-Bilt cabinet, an i ediate investigation should be ade by

qualified personnel to deter ine the source of the oisture or liquid. The investigation should deter ine if the cabinet

is alfunctioning or if there is a drainpipe leaking.

MECHANICAL

Re ove front grille and check refrigeration lines to see that they are free (not touching each other or co pressor).

Spin condenser fan blade to see that it is free.

The co pressor is her etic, it is internally spring ounted and ready to run.

Re ove cabinet fro crate base and slide into location. Cabinet ust be level fro side to side and front to back for

correct draining of coil pan and for self-closing doors to operate correctly. Allow ini u of 4” between back of cabinet

and wall and between top of cabinet and ceiling for proper condensing unit air circulation.

To co ply with Sanitation require ents the cabinet ust be ounted on legs (6” high in.) or casters or the base ust

be sealed to the floor (BMG) with an N.S.F. listed silicone sealant.

Hang provided NSF Listed ther o eter at front of top shelf unless cabinet provided with electronic control.

ELECTRICAL

WARNING

B for s rvicing l ctrical compon nts in th cas or th doors or door fram s mak sur all pow r to cas is

off. Always us a qualifi d t chnician.

NOTICE

For mod ls with l ctronic ballast only:

For replacement ballast, use only ballast that complies with UL Type CC rating i unit is equipped with

electronic ballast.

Check voltage and a ps drawn on (Page 12-15) to deter ine proper line and fuse or circuit breaker size. Check power

supply for low voltage. If voltage reads “120” with no load, and it drops below “100 or less” when the co pressor tries to

start, it is an indication of too s all supply wiring or too long to run.

It is reco ended that a separate circuit be run for each cabinet to prevent another appliance blowing the fuse or

breaker, causing loss of product.

IMPORTANT

This cabinet is pre-wired internally for 120-volt circuits. “Tapping” or feeding the 115-volt circuit fro 230-volt supply

ay result in overloaded circuit breakers or blown fuses and da age to electrical syste , thereby voiding the warranty.

Th cabin t should b ground d.

LEG AND CONDENSATE PAN INSTALLATION FOR TOP

MOUNT CABINETS ONLY

1. Screw legs into existing crate ounting

holes.

2. Mount pan and bracket asse bly to rear

of cabinet with 2 large sheet etal screws

(supplied). Be sure pan is located directly

under cabinet drain

DOORS

The BMG/TMG cabinets have Anthony glass doors

that are equipped with a patented TorqueMaster

hinge syste . The doors are easily adjusted using

a flathead screwdriver (Fig.3).

Figur 4

GRILL

To re ove the door shipping cla ps,re ove the 4 shipping screws fro the grill and re ove the screws fro the

cla ps (Fig.4), and replace grill.

Torque Adjust ent

Leveling Adjust ent

Figure 3

MASTER-BILT ELECTRONIC REFRIGERATION CONTROL

Display Lay-out

Compr ssor When power is first turned on to the control, the LED indicator for the Ther ostat output will go through

the start-up delay. After a one- inute delay the co pressor co es on. The LED indicator stays on while co pressor

relay is energized. Display will show actual box te perature. Picture above is the display layout. The co pressor will be

cycled off when the actual box te perature reaches its set point. The Ther ostat output indicator will be off.

Fan The fans will run constantly for BMG/TMG cooler application. The Evaporator fan will also cut off when the

evaporator te p is above the fan stop te perature setting.

D frost The control uses off cycle defrost for the BMG/TMG cooler.

MANUAL DEFROST

Defrosting y also be induced anually by keeping the defrost button for 5 seconds. Once defrost has started, the

defrost will go through a defrost and drip ti e pull down cycle.

HOW TO CHANGE THE SETPOINT

HOW TO CHANGE a param t r valu

LIST OF PARAMETERS

Here is a list of the para eters the value of which can be changed in the progra ing ode, as well as their ranges.

Display

Symbol Param t r Rang

Mast r-Bilt’s

BMG/TMG S tting

SP Te perature Set Point SPL…SPH 35°F

HYS Te perature Differential 1 to 255°F 5°

SPL Mini u Te perature li it setpoint -50…SPH 27°F

SPH Maxi u Te perature li it setpoint SPH…120° 50°F

AHA High Te perature Alar -50…120° 65°F

ALA Low Te perature Alar 50…120° 0°F

ATD Te perature Alar Delay 0…120 in 30 in

DFR Nu ber of Defrost Cycle per 24hr 0…24 Off Cycle

DLI Defrost Ter ination Te perature -50…120° -

DTO Maxi u Defrost Duration 1…120 in 30 in

ELECTRICAL CONNECTIONS

The controller is provided with a screw ter inal block to connect cables with a cross section up to 2,5

. Before

connecting cables ake sure the power supply co plies with the control’s require ents. Separate the probe cables

fro the power supply cables, the outputs and the power connections. Do not exceed the axi u current allowed on

each relay, in case of heavier loads use a suitable external relay or contactor’s.

PROBE CONNECTIONS

The probes shall be ounted with the bulb upwards to prevent da age due to casual liquid infiltration. It is

reco ended to place the ther ostat probe at the war est loacation of return air strea s to correctly easure the

average roo te perature. Place the defrost ter ination probe a ong the evaporator fins in the coldest place, where

ost ice is for ed, far fro heaters or fro the war est place during defrost, to prevent pre ature defrost ter ination.

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