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SERVICE MANUAL

FOR MODEL RM-26

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Summary of Contents for RM-26

Page 1: ...SERVICE MANUAL FOR MODEL RM 26...

Page 2: ...REQUIRED TOOLS CORDLESS DRILL DRIVE SCREWDRIVER SET WITH SOCKET OF 9 32 PIERCING VALVE OPEN WRENCH OF 1 2 CUTTING TUBING VISE GRIP WATCHER SLOTTED SCREWDRIVER RATCHET WITH SOCKET OF 7 16...

Page 3: ...REQUIRED EQUIPMENT OXIACETILENE EQUIPMENT DRY NITROGEN EQUIPMENT VACUUM PUMP WITH MICRON GAUGE MANIFOLD PRESSURE GAUGES LEAK DETECTOR REFRIGERANT RECOVERY MACHINE...

Page 4: ...ights Instructions to replace condenser fan motor Instructions to replace evaporator fan motor Instructions to replace electronic thermostat Instructions to replace thermostat ambient sensor Instructi...

Page 5: ...DOING ANY SERVICE Instructions to Replace LED Power Supply 1 Unscrew the two screws that hold in place the top of the header sign using a Phillips screwdriver 2 2 Pull out the top of the header sign...

Page 6: ...tions to Replace LED Power Supply 4 In order to remove the Power Supply unscrew the two screws that hold it in place using a Phillips screwdriver 2 5 Disconnect the electrical connector of the Power S...

Page 7: ...Y SERVICE Instructions to Replace High Intensity LED Flexible Strips 1 Unscrew the two screws that hold in place the top of the header sign using a Phillips screwdriver 2 2 Pull out the top of the hea...

Page 8: ...lexible Strips 4 Disconnect the electrical connector of LED strip Light 5 Remove the high intensity LED flexible strip by pulling it out from its base Repeat this step to remove the other high intensi...

Page 9: ...lace LED Strips 1 Remove the LED profile cover of breaker strip using a slotted screwdriver LED cover profile 2 Disconnect the electrical connector of LED strip Light 3 Use a slotted screwdriver to pu...

Page 10: ...NG ANY SERVICE Instructions to Replace Condenser Fan Motor 1 Unscrew the four screws that hold in place the front grill using a Phillips screwdriver 2 2 Pull out the front grill 3 Disconnect the Tyco...

Page 11: ...bolts that hold in place the rails using a 1 2 open wrench these rails support the condensing unit 5 Pull out the condensing unit from the base of the cabinet 6 The condensing unit can be removed all...

Page 12: ...nstructions to Replace Condenser Fan Motor 7 Disconnect the Tyco electrical connector of the condenser fan motor 8 Unscrew the two screws that hold in place the base motor to the rails using a Phillip...

Page 13: ...OWER SUPPLY BEFORE DOING ANY SERVICE Instructions to Replace Condenser Fan Motor 10 Remove the bolt that hold in place the fan blade to the fan motor using a 9 32 socket screwdriver 11 Unscrew the two...

Page 14: ...our screws that hold in place the fan guard on the air baffle using a Phillips screwdriver 2 Fan Guard 2 Remove the bolt that hold in place the fan blade to the fan motor using a 9 32 socket screwdriv...

Page 15: ...Motor 4 Disconnect the Tyco electrical connector of the evaporator fan motor located in the top of cabinet 5 Unscrew the three screws that hold in place the support base motor to the fan motor chassis...

Page 16: ...rame of the thermostat using your fingers 2 Turn 90 both screws to loosen their cams and the front panel will detach Then proceed to remove the thermostat from the panel by keeping it horizontally 3 D...

Page 17: ...screws to loosen their cams and the front panel will detach Then proceed to remove the thermostat from the panel by keeping it horizontally 3 Disconnect the connector of the ambient sensor located on...

Page 18: ...the ambient sensor from its plastic clip support 7 Use masking tape to splice the damaged ambient sensor with the new This operation will serve as guide to remove the damage sensor and connect the new...

Page 19: ...nstruction to Replace Starting Relay Overload Protector and Starting Capacitor 1 Unscrew the four screws that hold in place the front grill using a Phillips screwdriver 2 2 Pull out the front grill 3...

Page 20: ...E Instruction to Replace Starting Relay Overload Protector and Starting Capacitor 4 Remove the two bolts that hold in place the rails using a 1 2 open wrench these rails support the condensing unit 5...

Page 21: ...ed all the way out for easier service 8 At the same time that the plastic electric box is being pushed downward with the slotted screwdriver hold the box with the other hand and pull it out downward 7...

Page 22: ...nstruction to Replace Starting Relay Overload Protector and Starting Capacitor LOCATION OF ELECTRICAL CONNECTIONS Ground wire Starting Capacitor Starting capacitor wires connections Overload protector...

Page 23: ...Capacitor 9 First disconnect the two black wires connecting the starting capacitor and the blue color wire of the start relay Then use a slotted screwdriver as a pry bar to pull out the relay overload...

Page 24: ...itor 11 Use a slotted screwdriver as a pry bar to remove the starting capacitor from its base The base of the capacitor is attached to the top of the electrical plastic box 12 Use a slotted screwdrive...

Page 25: ...ORE DOING ANY SERVICE Instructions to Replace Compressor 1 Unscrew the four screws that hold in place the front grill using a Phillips screwdriver 2 2 Pull out the front grill 3 Disconnect the Tyco el...

Page 26: ...to Replace Compressor 4 Remove the two bolts that hold in place the rails using a 1 2 open wrench these rails support the condensing unit 5 Pull out the condensing unit from the base of the cabinet 6...

Page 27: ...screwdriver in the slot of the plastic electrical box to remove it from the compressor Use the flat screwdriver as a pry bar to push the box downward 8 At the same time that the plastic electric box i...

Page 28: ...system by installing a piercing valve in the compressor service tube 10 Attach the hose of the recovery machine to the service tubing Use an Allen Key Wrench to close the piercing valve for piercing t...

Page 29: ...e sided tape that holds in place evaporator tray pan on the compressor 14 Warm the brazing of the discharge and suction tubes in order to unsolder them from the compressor 15 To remove the filter drye...

Page 30: ...ll compressor removal requires cleaning the low and high sides of the system However if you suspect that there are high levels of contamination sweep the system using dry nitrogen at 250 psig 19 Place...

Page 31: ...sure Accommodate the discharge tubing into the evaporation tray pan 23 Follow slides 21 through 24 to install the relay overload protector and starting capacitor 24 Braze the filter to the condenser d...

Page 32: ...of the manifold gauge to the vacuum pumps 26 Turn on the vacuum pump to start evacuating the system This should take up to 20 minutes for the micron gauge to reach 200 microns or less Once this level...

Page 33: ...eration system Wait until the pressure readings of the system have equalized and then turn on the cooler 28 Unplug the cooler Pinch the service tubes using a vise pinch and proceed to remove the manif...

Page 34: ...ructions for Replacing the Door 1 Unscrew the four screws that hold in place the front grill using a Phillips screwdriver 2 2 Pull out the front grill 3 Use a cordless drill drive with a Phillips bit...

Page 35: ...CONNECT UNIT FROM POWER SUPPLY BEFORE DOING ANY SERVICE Instructions for Replacing the Door 4 To remove the door pull it downward form the upper hinge 5 To install the new door reverse the previous st...

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