RV Products 9000 Series Manuel de service

SERVICE MANUALFOR6700, 7000, 8000 & 9000 SERIESAIR CONDITIONERS(MECHANICAL CONTROLS ONLY)FOR WALL MOUNT THERMOSTATS AND LOW VOLTAGE CONTROLCIRCUIT

10Grounded CapacitorWhen testing for a grounded capacitor, perform a continuitycheck between each terminal on the capacitor and the baremetal of the c

111. Ammeter And Its UseAn ammeter is an instrument for measuring electric current. Current electricity is actually electrons moving from one atomto

12terminals, but we know by referring to the wiring diagram,that the black wire is the common terminal, the red wire isthe start terminal and the whit

131. Most all electronic leak detectors are very sensitiveand are field reliable. A word of warning – do not“give it a whiff of refrigerant” as a tes

142. “The selector switch could be open.” Rotate theselector switch and check for continuity between theappropriate terminals.Terminals Switch Positi

15Answer:1. “The selector switch may be open to thecompressor.”Rotate the switch to the compressor position andcheck the selector switch terminals (L

16Problem5. Compressor trips breaker or thermal currentoverload.Compressor trips circuit breaker or thermal current overloadimmediately (no hum). Not

17The customer turns the system to fan/low or fan/high andnothing happens. When he turns the selector switch to“Cool”, the compressor starts but stil

18Question: “What could cause the compressor to drawovercurrent or to overheat?”Answer:1. “Dirty condenser coil.”Check the appearance of the coil. If

196. “Plugged up cap tube.”A cap tube can become stopped up by oil sludge orcontaminants in the system. This will only occur ifthe system has been op

PREFACEThis service manual is primarily intended for the use ofqualified individuals specially trained and experienced in theservice of this type of e

20TYPICAL WIRING DIAGRAMS6700 SERIESAIR CONDITIONERS & CEILING ASSEMBLIES

216798-7XX, 6798A7XX SERIES6799-7XX, 6799A7XX SERIES6799-8XX SERIESAIR CONDITIONERS & CEILING ASSEMBLIES

227000 & 8000 SERIES6799A8XX SERIES6799B8XX SERIESAIR CONDITIONERS

23CEILING ASSEMBLY WIRING DIAGRAMS6759, 7000, 8000 SERIES COOL ONLY6759, 7000, 8000 SERIES HEAT/COOL

24WIRING DIAGRAM FOR 9000 SERIESROOF MOUNT AIR CONDITIONERSWIRING DIAGRAM FOR 9330X715, 9330X716 HEAT/COOL CEILING ASSEMBLIES

25WIRING DIAGRAM 9330X713, 9330X714 COOL ONLYCEILING ASSEMBLIES

RV ProductsA Division of Airxcel, Inc.P. O. Box 4020Wichita, KS 672041976F141 (12-03)

TABLE OF CONTENTSBasic Components and Their FunctionsRefrigeration System DiagramI. Refrigeration Circuit . . . . . . . . . . . . . . . . . . . . . .

4BASIC COMPONENTS AND THEIR FUNCTIONSREFRIGERATION SYSTEM DIAGRAMDISCHARGELINESUCTIONLINECOMP.CONDENSER FANFANMOTOREVAPORATORBLOWEREVAPORATORCONDENSER

5The purpose of this part of the Service Manual is to acquaintthe Service Technician with the system components so thatwhen he has a problem, he can i

65. Suction LineThe suction line is the tube which carries the superheatedvapor refrigerant from the evaporator to the compressor.6. CompressorThe com

7The power supply to the air conditioner must be wired through a circuit breaker or time delay fuse. The powersupply must be 20 amperes and 12 AWG wi

8condition can be analyzed by using an ohm meter. Be sure toremove all the leads from the compressor terminals beforemaking this check.1) If the resi

9CAPACITOROHM METERHIGH LOWOKIndicator sweeps back and forthas shown above. Capacitor is good.HIGH LOWOPENIndicator shows no movement.Needle sta