Cat Electric Rope Shovel MPV9VX1C M9-575V Operation & Maintenance Manual – PDF DOWNLOAD

Description

Cat Electric Rope Shovel MPV9VX1C M9-575V Operation & Maintenance Manual – PDF DOWNLOAD

DESCRIPTION:

Cat Electric Rope Shovel MPV9VX1C M9-575V Operation & Maintenance Manual – PDF DOWNLOAD

DESCRIPTION OF UNIT

The MPV9 is a heavy-duty system suitable for rooftop or walkway mounting on the cabs and electrical enclosures of mining and industrial equipment. This includes shovels, draglines, drills, ship loaders, track maintenance, crane cabs and control rooms.

Evaporator:

• Air is drawn from return air spiggot’s, passes over the heat exchange coil and heating elements into the double inlet wheel fan deck and is discharged through the supply air spiggot’s into the conditioned space.
• Refrigerant flow is metered by an externally equalized TX valve, and is cut off by a liquid line solenoid valve. Heat exchange coil is large, with heavy gauge tubing and coarse fin pitch to reduce clogging.
• Fan motor is single shaft and has totally enclosed, fan-cooled construction. Drain pan is large and of “V” design for ease of cleaning and to facilitate draining. All pressure controls are in the evaporator section and are fully sealed, preset and ‘O’ ring connected.

Condenser:

• The compressor is a heavy duty, fully sealed scroll device. The assembly is mounted to heavy flexible mounts to reduce noise transmission to the structure and provide some damping of shock.
• Connections are either soldered, ‘O’ ring or rotalock. A large filter drier is mounted in the liquid line to filter and remove moisture from the refrigerant. Isolation valves are installed on either side to enable refrigerant to be “pumped down” and thus enabling core to be replaced without total loss of refrigerant.
• Condenser fan is single speed.

1.0.0 DESCRIPTION OF UNIT (cont.)

Electrics:

• The main control panel is mounted on top of the evaporator lid for ease of service. Switchgear is Klockner Moeller, and motor protection is by circuit breaker thermal overloads. Heaters and transformer have circuit breakers. Starter switchgear is provided to remote control high voltage pressurizer supplied by others.
• The pilot controls, when supplied, have OFF-LOW-HIGH fan switch and HEAT-VENT-COOL-DEMIST mode switch, plus a set point adjuster for thermostat.
• A transformer supplies the 115V for control purposes.

TABLE OF CONTENTS:

Cat Electric Rope Shovel MPV9VX1C M9-575V Operation & Maintenance Manual – PDF DOWNLOAD

1.0.0 GENERAL DESCRIPTION
1 .1.0 Specifications
2.0.0 COMMISSIONING
2.1.0 Commissioning
3.0.0 SERVICING
4.0.0 FAULT FINDING
4.1.0 System Dead
4.2.0 No Fans
4.3.0 No Cooling
4.4.0 Inadequate Cooling
4.5.0 Charge
4.6.0 Heating
4.7.0 Service Notes
7 .0.0 RECOVERY OF REFRIGERANT
8.0.0 134a SPECIFIC TOOLS
9.0.0 WARRANTY
10.0.0 MATERIAL SAFETY DATA SHEETS
10.1.0 HFC134a
10.2.0 Lubricant

CAT ELECTRIC ROPE SHOVEL MPV9VX1C M9-575V OPERATION & MAINTENANCE MANUAL – PDF DOWNLOAD:

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S.M