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10

Glass Lid and Top Deck Removal  

 
 
To remove the glass lid,  start in the closed position 
and  lift up on the front  extrusion.  Pull the glass lid 
towards you to remove it from the track.  Reverse 
procedure to reinstall. 
 
 
To remove the top deck, slide (remove) insert strip from 
price tag 
moulding.   Remove screws which are now exposed to 
remove the price tag moulding.  Remove screws on 
sides of the cabinet 
which also attach the top deck.  Reverse procedure to 
reinstall.  
 
 

 
 
 

 
Drain Pan, Light Shield, and Lamp Removal /Replacement 

 

 
To remove the drain pan, remove screws along the 
front face of the drain pan.  Lift the rear of the pan up 
and out of the drain trough.  Slide pan towards you 
and out.  Reverse procedure to install. 
 
To remove the light shield, remove screws along the 
front face of the light shield.  Pull the light shield 
towards you and out.  Reverse procedure to reinstall. 
 
The fluorescent lamps are held in place with spring 
type retainers.  First turn off the lamps at the toggle 
switch or unplug the cabinet from the wall outlet.  To 
remove the lamps push toward the spring-loaded 
retainer until completely compressed and rotate the 
lamp down and out of the fixed retainer.  Installation is 
the reverse of removal. 

 
SERVICE INSTRUCTIONS  

 
OPERATION CONDITIONS AND PRESSURES 
 

With room ambient temperature of +80 

o

F and cold cabinet (unit cycling on control): 

 
Suction pressure – 6 to 8 psig. 
Head pressure – 240 to 260 psig. 
 
If room ambient is low, 60

 o

F or lower, then the suction pressure could be as low as 4 psig.  Temporary block 

the condenser coil to raise head pressure to 240 psig in order to verify proper charge and a suction pressure of 
6psig to 8 psig.  Remove blockage after pressure check.  
 
 
 

Top Deck

Light Shield

Drain Pan 

Price Tag 

Glass Lid

Содержание J - Version GT-50 s

Страница 1: ...GT 50 GT 60 GT 80 Installation Operations Manual J Version Master Bilt Products 908 Highway 15 North New Albany MS 38652 Phone 800 684 8988 PN 029 91000 Rev _ 2 21 07...

Страница 2: ...2...

Страница 3: ...nd Compressor Check 7 Startup 7 Fan Operation and Vibration Votlage Check 7 Theromstat Check 7 Defrost and Temperature Control 7 REFRIGERATION SYSTEM AND OPERATION 8 CLEANING 9 EXTERIOR PARTS NOMENCLA...

Страница 4: ...oor performance The Master Bilt GT cabinets may be placed directly against the wall This is due to the cabinet s condenser cooling air entering and discharging through the front grille NOTICE Read thi...

Страница 5: ...vice information If you ignore the message you may damage your cabinet The warning and safety labels shown throughout this manual are placed on your Master Bilt Products cabinet at the factory Follow...

Страница 6: ...nction or housekeeping problem that creates a slip fall hazard around or under the cabinet should be corrected immediately If moisture or liquid is observed around or under a Master Bilt cabinet an im...

Страница 7: ...Voltage should be checked at the compressor terminals while the compressor is initially starting The unit is designed to operate at 10 of 115 volts 60 cycle single phase This means that the voltage s...

Страница 8: ...s a Hermetic compressor and operates with refrigerant 404A Cabinet operates on 115 60 1 power The cabinet has a bare tube type condenser which virtually eliminates the possibility of condenser blockag...

Страница 9: ...te your product The GT line cabinets are equipped with a floor drain that exits out the lower rear of the cabinet This exit has a convenient garden hose fitting If it is not convenient to turn the pow...

Страница 10: ...ace of the light shield Pull the light shield towards you and out Reverse procedure to reinstall The fluorescent lamps are held in place with spring type retainers First turn off the lamps at the togg...

Страница 11: ...A Low voltage B Relay defective C Overload defective D High head pressure see 1 6 Cabinet sweating A High ambient humidity B Defective condensate heater 7 Cabinet not cycling coil blocked with frost...

Страница 12: ...13296 Condenser Fan Blade 15 13093 15 13093 15 13093 Condenser Fan Motor 13 00311 13 00311 13 00311 Condenser Fan Motor Bracket 13 00754 13 00754 13 00754 Crankcase Pressure Valve Defrost Heater Clip...

Страница 13: ...sell or give away your Master Bilt cabinet you must make sure that all safety labels and the Installation Service Manual are included with it If you need replacement labels or manuals Master Bilt will...

Страница 14: ...14...

Страница 15: ...15...

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