HWH 680 Series Operator's Manual
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HWH 680 Series Operator's Manual

Computer-controlled leveling system spacemaker room extension system
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OPERATOR'S MANUAL
HWH COMPUTER-CONTROLLED
SPACEMAKER ROOM EXTENSION SYSTEM
TOUCH PANEL LEVELING CONTROL
DUAL CYLINDER "LEVEL FLOOR" ROOM EXTENSION
SINGLE CYLINDER "BEDROOM" ROOM EXTENSION
AP21910
H
W
CORPORATION
LEVELING SYSTEM
680 SERIES
FEATURING:
AIR LEVELING
HWH COMPUTERIZED LEVELING
EXCESS
SLOPE
AIR
LEVEL
NOT IN
PARK/
DUMP
BRAKE
TRAVEL
OFF
CAUTION!
RAISE
UNDERSTAND OPERATOR'S MANUAL BEFORE USING. BLOCK FRAME AND TIRES
SECURELY BEFORE REMOVING TIRES OR CRAWLING UNDER VEHICLE.
HWH CORPORATION
(ON I-80, EXIT 267 SOUTH)
2096 MOSCOW ROAD
MOSCOW, IOWA 52760
(800) 321-3494 / (563) 724-3396
INTERNET: http: //www.hwhcorp.com
H
R
ML17140/MP05.4710
18MAY01

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Summary of Contents for HWH 680 Series

  • Page 1 CORPORATION OPERATOR’S MANUAL HWH COMPUTER-CONTROLLED LEVELING SYSTEM 680 SERIES SPACEMAKER ROOM EXTENSION SYSTEM FEATURING: TOUCH PANEL LEVELING CONTROL AIR LEVELING DUAL CYLINDER "LEVEL FLOOR" ROOM EXTENSION SINGLE CYLINDER "BEDROOM" ROOM EXTENSION HWH COMPUTERIZED LEVELING EXCESS SLOPE LEVEL NOT IN PARK/...
  • Page 2 HWH CORPORATION personnel will contact you to the problem quickly. If the dealer has difficulty solving determine whether or not your claim is valid. If it is, HWH the problem, he should immediately contact the Customer CORPORATION will authorize repair or replacement of the Service Department, at HWH CORPORATION.
  • Page 3 CONTROL IDENTIFICATION "EXCESS SLOPE" "NOT IN PARK" LIGHT LIGHT LOWER FRONT BUTTON RAISE FRONT BUTTON WARNING LIGHT (4 - Red) HWH COMPUTERIZED LEVELING LEVEL LIGHT EXCESS "LEVEL" BUTTON LEVEL SLOPE DUMP LIGHT RAISE RIGHT SIDE BUTTON NOT IN "DUMP" BUTTON...
  • Page 4 CONTROL IDENTIFICATION ROOM EXTENSION OPERATOR’S PANEL PUMP ON INDICATOR AIR SEAL INDICATOR LIGHT (RED) LIGHT (AMBER) CORPORATION HYDRAULIC ROOM EXTENSION EXTEND ROOM CONTROL KEY SWITCH SWITCH CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING. KEEP PEOPLE AND OBSTRUCTIONS RETRACT CLEAR OF ROOM WHEN OPERATING. CONTROL FUNCTIONS KEY SWITCH: The KEY SWITCH controls power to the ROOM...

  • Page 5: Operating Procedures

    OPERATING PROCEDURES GENERAL INSTRUCTIONS Press the "OFF" button at any time to stop the operation of The "DUMP" and "RAISE" buttons will function with the sys- the system. tem and park brake off. (See AIR DUMP AND RAISE FUNC- TIONS.) NOTE : If the ignition switch is "ON"...
  • Page 6 OPERATING PROCEDURES AIR OPERATION AUTOMATIC AIR OPERATION NOTE: The ignition must be in the "ON" position to use the "AIR" the air bags. If a level position is not achieved by lowering the button. Once the operation is started, the ignition can be moved vehicle, the low side and/or end of the vehicle will be raised by to the "OFF"...
  • Page 7 OPERATING PROCEDURES AIR OPERATION (Cont’d) MANUAL AIR OPERATION NOTE: The ignition must be in the "ON" position to use the "AIR", have been locked out. The vehicle should not be moved when button. Once the operation is started, the ignition can be moved these lights are on.
  • Page 8 PUMP ON light will be on. When the room is IMPORTANT: IN THE EVENT OF ANY FAILURE OF THE fully extended the sub floor will raise into position. The pump ROOM EXTENSION SYSTEM CALL HWH CORPORATION, 1-800-321-3494, CUSTOMER SERVICE, FOR ASSISTANCE. MP35.4753...
  • Page 9 Release the ROOM 7. Turn the ignition switch off. CONTROL SWITCH after the pump has shut off. IMPORTANT: IN THE EVENT OF ANY FAILURE OF THE ROOM EXTENSION SYSTEM CALL HWH CORPORATION, CUSTOMER SERVICE, 1-800-321-3494 FOR ASSISTANCE. MP35.4756 08DEC03...
  • Page 10 IN THE EVENT OF THE FAILURE OF THE ROOM TO RE- 3. To retract the room, push and hold the ROOM CONTROL TRACT, CONTACT HWH CORPORATION CUSTOMER SER- SWITCH in the RETRACT position. When the pump is run- VICE AT 1-800-321-3494 FOR ASSISTANCE.
  • Page 11 OPERATING PROCEDURES PREVOST H3-45 LEVEL FLOOR ROOM EXTENSION SEQUENCE ROOM EXTEND SEQUENCE 1. Ignition key must be in the "ON" position. 9. When both the room unlock limit switches and the manifold pres- sure switch signals are received by the control box, a +12 signal 2.
  • Page 12 OPERATING PROCEDURES PREVOST H3-45 LEVEL FLOOR ROOM EXTENSION SEQUENCE ROOM RETRACT SEQUENCE 1. Ignition key must be in the "ON" position. 10. When the room lock pins are fully retracted, the room unlock limit switch arrangement will send a ground signal to the control 2.
  • Page 13 OPERATING PROCEDURES PREVOST H3 - 45 BEDROOM EXTENSION SEQUENCE ROOM EXTEND SEQUENCE 1. Ignition key must be in the "ON" position. NOTE: The room and lock limit switches are not connected directly to the control box. The individual switches are con- 2.
  • Page 14 OPERATING PROCEDURES PREVOST H3 - 45 BEDROOM EXTENSION SEQUENCE ROOM RETRACT SEQUENCE 1. Ignition key must be in the "ON" position. NOTE: The room and lock limit switches are not connected directly to the control box. The individual switches are con- 2.
  • Page 15 NOTE : If any of the above checks or inspections reveal a problem or if there are other problems or questions, consult a qualified RV repair center, your vehicle or coach manufacturer or HWH CORPORATION (1-800-321-3494) for service or repair. MP45.4705...
  • Page 16 HYDRAULIC LINE CONNECTION DIAGRAM PREVOST LEVEL FLOOR WITH LOCKS CAP END CAP END STEEL STEEL ROOM ROOM TUBE TUBE FRONT REAR CYLINDER CYLINDER CAP END CAP END UPPER FRONT UPPER REAR ROOM LOCK ROOM LOCK ROD END ROD END IMPORTANT: THE ROD END OF THE ROOM LOCK CYLINDERS MUST CONNECT TO THE FITTING ARRANGEMENT ON THE TOP OF...
  • Page 17 HYDRAULIC LINE CONNECTION DIAGRAM PREVOST REAR ROOM WITH LOCKS CAP END ROOM CYLINDER ROD END FRONT REAR ROOM LOCK ROOM LOCK ROD END ROD END IMPORTANT: THE ROD END OF THE ROOM LOCK CYLINDERS MUST CONNECT TO THE FITTING ARRANGEMENT ON THE TOP OF THE MANIFOLD.
  • Page 18 HYDRAULIC LINE CONNECTION DIAGRAM HYDRAULIC SOLENOID VALVE ARRANGEMENT 3000 PSI PRESSURE SWITCH CHECK VALVE ROOM 2 ROOM 2 EXTEND LOCK ROOM 2 UNLOCK VALVE RELEASE ROOM 1 " T " HANDLE LOCK ROOM 2 ROOM 1 RETRACT UNLOCK CHECK VALVE ROOM 1 EXTEND ROOM 1...
  • Page 19 HYDRAULIC FLOW DIAGRAM SINGLE CYLINDER ROOM EXTENSION STATIONARY POSITION FIXED TO VEHICLE CYLINDER CYLINDER CYLINDER EXTEND RETRACT VALVE VALVE CHECK VALVE RETURN PRESSURE MP65.9459 06NOV02...
  • Page 20 AIR CONNECTION DIAGRAM WATER TRAP ASSEMBLY FOR 110 VOLT AIR COMPRESSOR PRESSURE SWITCH ADJUSTABLE SET TO OPEN AT PRESSURE 90 P.S.I. - RESET REGULATOR AT 60 P.S.I. FLOW FROM COMPRESSOR AIR COMPRESSOR CHECK VALVE CONNECTION FLOW FLOW TO SUSPENSION +12 VOLT 9700 NORMALLY OPEN 6230...
  • Page 21 AIR SEAL CONNECTION DIAGRAM AIR SEAL AND RAIL ASSEMBLY +12 VOLT DETAIL A 3-WAY AIR VALVE 3-WAY CONNECTING HOSE VACUUM +12 VOLT NORMALLY WHEN THERE IS NO +12 POWER CLOSED AIR VALVE TO THE AIR VALVES CONSTANT CHECK VALVE AIR PRESSURE IS SUPPLIED TO THE AIR SEAL FROM THE AIR SUPPLY.
  • Page 22 ELECTRICAL CONNECTION DIAGRAM ROOM EXTENSION OPERATOR’S PANEL NOTE: CONNECTING HARNESSES MAY BE SUPPLIED BY THE COACH CONVERTER. READY TO OPERATE PUMP ON LIGHT (AMBER) LIGHT (RED) CORPORATION HYDRAULIC ROOM EXTENSION EXTEND ROOM CONTROL KEY SWITCH SWITCH CAUTION! UNDERSTAND OPERATOR’S MANUAL BEFORE USING.
  • Page 23 CONTROL BOX CONNECTION DIAGRAM NOTE: YELLOW LED’S " " INDICATE ENERGIZED COIL ON OUTPUT RELAYS. RED LED’S " " INDICATE OUTPUT FROM OUTPUT RELAYS THROUGH FUSE. SINGLE RED LED’S INDICATE EITHER ACTIVE OUTPUT OR INPUT. TOP VIEW TERMINAL FUSE VALUE DESCRIPTION NUMBER N.A.
  • Page 24 CONTROL BOX CONNECTION DIAGRAM AIR LEVELING (WITH TWO ROOM EXTENSIONS) NOTE: YELLOW LED’S " " INDICATE ENERGIZED COIL ON OUTPUT RELAYS. RED LED’S " " INDICATE OUTPUT FROM CONNECTION INFORMATION OUTPUT RELAYS THROUGH FUSE. SINGLE RED LED’S WITH INDICATE EITHER ACTIVE OUTPUT OR INPUT. WARNING / PRESSURE SWITCH PIN DESIGNATION TOP VIEW...
  • Page 25 CONTROL BOX CONNECTION DIAGRAM AIR LEVELING (WITH TWO ROOM EXTENSIONS) ENTRY POINT USED USED USED 10 11 USED USED USED AIR LEVELING INFORMATION TERMINAL CONNECTOR ENTRY FUSE POINT NUMBER COMPRESSOR CONTROL - 9700 (+12V) LEFT REAR AIR VALVE - 9311 (+12V) RIGHT REAR AIR VALVE - 9312 (+12V) LEVEL RAISE AIR VALVE - 9313 (+12V)
  • Page 26 CONTROL BOX CONNECTION DIAGRAM AIR LEVELING (WITH TWO ROOM EXTENSIONS) ENTRY POINT USED USED USED 10 11 USED USED USED ROOM EXTENSION INFORMATION TERMINAL CONNECTOR ENTRY FUSE POINT NUMBER ROOM 1 UNLOCK SOLENOID VALVE - 5300 ROOM 1 EXTEND SOLENOID VALVE - 5000 ROOM 1 RETRACT SOLENOID VALVE - 5100 ROOM 1 FLOOR UP SOLENOID VALVE - 5400 ROOM 1...
  • Page 27 WIRE NUMBER GLOSSARY WIRE COLOR DESCRIPTION NUMBER 5000 BLACK SWITCHED +12V TO OPERATE ROOM EXTEND VALVE 5100 BLACK SWITCHED +12V TO OPERATE ROOM RETRACT VALVE 5200 BLACK SWITCHED +12V TO OPERATE ROOM LOCK VALVE 5300 BLACK SWITCHED +12V TO OPERATE ROOM UNLOCK VALVE 5400 BLACK SWITCHED +12V TO OPERATE FLOOR UP VALVE...
  • Page 28 ELECTRICAL CONNECTION DIAGRAM 680 SERIES HARNESS CONNECTIONS AT CONTROL BOX POWER - WARNING INDICATORS - AIR LEVEL - HYDRAULIC MANIFOLD CONTROL BOX ROOM 1 OUT ROOM 1 OUT TOUCH PANEL INDICATOR INDICATOR SEE CONTROL HWH COMPUTERIZED LEVELING LEVEL LIGHT LIGHT...
  • Page 29 ELECTRICAL CONNECTION DIAGRAM 680 SERIES HARNESS CONNECTIONS AT CONTROL BOX LEVEL FLOOR OPERATOR’S PANEL - LIMIT SWITCH INDICATOR BOXES CONTROL BOX SEE ELECTRICAL CONNECTION DIAGRAM NOTE: SEE CONTROL ROOM EXTENSION OPERATOR’S PANEL BOX CONNECTION DIAGRAMS FOR INTE- RIOR CONTROL BOX...
  • Page 30 ELECTRICAL CONNECTION DIAGRAM 680 SERIES HARNESS CONNECTIONS AT CONTROL BOX REAR ROOM OPERATOR’S PANEL - LIMIT SWITCH INDICATOR BOXES CONTROL BOX SEE ELECTRICAL CONNECTION DIAGRAM NOTE: SEE CONTROL ROOM EXTENSION OPERATOR’S PANEL BOX CONNECTION DIAGRAMS FOR INTE- RIOR CONTROL BOX...

  • Page 31: Table Of Contents

    ELECTRICAL CONNECTION DIAGRAM HYDRAULIC MANIFOLD ROOM 2 MANIFOLD HARNESS 6230 5600 FROM CONTROL BOX 6230 5000 5200 6230 6230 5100 5300 6230 SEE ELECTRICAL CONNECTION DIAGRAM ROOM 1 AIR SEAL MANIFOLD/ PUMP RELAY WHITE TO HARNESS GROUND STUD VALVE RELEASE "T"...

  • Page 32: Hydraulic Manifold

    ELECTRICAL CONNECTION DIAGRAM PUMP RELAY ROOM ACTIVE WARNING FROM HYDRAULIC (OPTIONAL) HARNESS - NOTE: THE FOUR DIGIT WIRE NUMBER 8600 SUPERSEDES ANY AND ALL WIRE COLORS. CABLE GROUND FROM PUMP HARNESS - "+" STUD 6230 SEE ELECTRICAL CONNECTION DIAGRAM HYDRAULIC MANIFOLD ROOM 1 MANIFOLD/PUMP HARNESS...

  • Page 33: From Control Box

    ELECTRICAL CONNECTION DIAGRAM GROUNDING INSTRUCTIONS SEE ELECTRICAL CONNECTION DIAGRAM 680 SERIES HARNESS CONNECTIONS AT CONTROL BOX POWER - WARNING INDICATORS - AIR LEVELING - HYDRAULIC MANIFOLD SEE ELECTRICAL CONNECTION 8100 DIAGRAM HYDRAULIC MANIFOLD ROOM 1 FROM MANIFOLD CONTROL PUMP RELAY...
  • Page 34 6230 +12 VOLT 12 - VOLT GROUND 9700 110 VOLT GROUND LINE 110 VOLT - AIR COMPRESSOR NEUTRAL SEE ELECTRICAL CONNECTION DIAGRAM 680 SERIES CONNECTIONS AT CONTROL BOX POWER - WARNING INDICATORS - AIR LEVELING - MP85.484K HYDRAULIC MANIFOLD 24JAN00...

  • Page 35: Air Seal

    5600 VACUUM MANIFOLD FOR EACH ROOM. AIR SEAL SEE ELECTRICAL CONNECTION DIAGRAM ROOM HYDRAULIC HARNESS 5600 680 SERIES HARNESS CONNECTIONS AT MANIFOLD HARNESS CONTROL BOX - POWER - WARNING INDICATORS - AIR LEVELING - HYDRAULIC FROM CONTROL BOX MANIFOLD 6230...
  • Page 36 ELECTRICAL CONNECTION DIAGRAM LIMIT SWITCH INDICATOR BOX LEVEL FLOOR ROOM EXTENSION LIMIT SWITCH STATUS INDICATOR PANEL YELLOW UNLOCK DOWN LED’S GREEN LED’S LOCK UPPER UPPER LOWER LOWER ROOM FRONT REAR FRONT REAR FLOOR REAR 3A FUSE NOTE: THE LED’S WILL COME ON WHEN A LIMIT SWITCH IS MADE AND IGNITION SWITCH IS ON.
  • Page 37 ELECTRICAL CONNECTION DIAGRAM LEVEL FLOOR ROOM EXTENSION LIMIT SWITCHES UPPER FRONT LOCK UPPER REAR LOCK FLOOR ROOM DOWN LIMIT LIMIT SWITCH SWITCH FLOOR DOWN ROOM IN P.E.D FLOOR ROOM LIMIT LIMIT SWITCH SWITCH 5714 5703 6120 5709 5708 6120 6120 6120 LOWER FRONT LOCK LOWER REAR LOCK...
  • Page 38 ELECTRICAL CONNECTION DIAGRAM LIMIT SWITCH INDICATOR BOX REAR ROOM EXTENSION LIMIT SWITCH STATUS INDICATOR PANEL YELLOW UNLOCK LED’S GREEN LED’S LOCK FRONT REAR ROOM 3A FUSE NOTE: THE LED’S WILL COME ON WHEN A LIMIT SWITCH IS MADE AND IGNITION SWITCH IS ON. NO CONNECTION LOCKED - 5758 FLOOR DOWN - 5764...

  • Page 39: Room

    ELECTRICAL CONNECTION DIAGRAM REAR ROOM EXTENSION LIMIT SWITCHES ROOM ROOM ROOM ROOM 5703 5701 IN LIMIT OUT LIMIT 6120 6120 SWITCH SWITCH ROOM IN ROOM OUT 6120 6120 5703 5701 FRONT LOCK REAR LOCK 6120 5703 6120 5701 6120 5708 6120 5705 5704...
  • Page 41 BREATHER CAP - DIPSTICK - 1/4" NUT DRIVER 1 1/2" DIAMETER THE 1/4" NUT DRIVER IS USED TO OPEN SOLENOID VALVE THE VALVE RELEASE NUT ON THE 1 1/2" VALVE RELEASE DIAMETER SOLENOID VALVES. NOTE: DO NOT turn the valve release nut more than 4 and 1/2 (four and one half) turns counter clockwise.

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