Wow Coolius 4000 Bus Instruction Manual

Automatic a/c-service unit

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Automatic A/C-Service Unit

Automatic A/C- - - - Service Unit

Automatic A/C

Coolius 4000 Bus

Art.- - - - No.

Art.

No. 0900700605

0900700605

Art.

No.

0900700605

Instruction manual

WOW! GmbH Künzelsau reserves the right to discontinue, or change at any time specifications or designs

without notice and without incurring obligations according to her policy of always improving her products.

Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG

Service Unit

Table of Contents

Summary of Contents for Wow Coolius 4000 Bus

Page 1 Instruction manual Instruction manual WOW! GmbH Künzelsau reserves the right to discontinue, or change at any time specifications or designs without notice and without incurring obligations according to her policy of always improving her products. Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 2: Table Of Contents
Functions that can be performed ..................... 14 Control panel........................15 Description of the control keys ......................15 Preparing the unit Coolius 4000 BUS for operation ..........16 Checking the vacuum pump oil level ....................16 Unlocking the scale ......................... 16 "Zero"...
Page 3 Automatic A/C-Service Unit Routine maintenance ....................28 15.1 Material for routine maintenance ..................... 28 15.2 Periodic operations ......................... 28 15.3 Changing the vacuum pump oil ....................... 28 15.4 Replacing the filter driers ......................... 29 Accessories and spare parts ..................30 Dimensions and weight .....................
Page 4 Automatic A/C-Service Unit WARNING Safety precautions This equipment is designed for trained personnel only, who must know the refrigeration fundamentals, cooling systems, refrigerants and possible damage that pressurized equipment may cause. Carefully read the instructions contained in this manual; strict observance of the procedures described is fundamental to the operator’s safety, the perfect state of the unit and constant performances as declared.
Page 5: Layout Drawing
Automatic A/C-Service Unit Layout drawing Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 6 Automatic A/C-Service Unit Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 7 Automatic A/C-Service Unit Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 8 Automatic A/C-Service Unit Hydraulic diagram Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 9: Electric Scheme
Automatic A/C-Service Unit Electric scheme Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 10: Legend
Automatic A/C-Service Unit Legend 1 - EV1 Solenoid valve on oil draining line Electronic card on control panel 2 - EV2 Solenoid valve on recovery line Paper for printer 3 - EV3 Solenoid valve on UV charging line Black plastic basin 4 - EV4 Solenoid valve on vacuum pump suction line Electronic card power with cables...
Page 11 Automatic A/C-Service Unit Compressor lubricant distiller (2° line) Central wheel 109 – CV22 Check valve on compressor discharge line (2° Front swivel wheel line) Condenser (2° line) Compressor suction hose (2° line) Fan (2° line) 129 (1-2) Connecting hose between condenser and bottle 112 –...
Page 12: Introduction To Coolius 40000 Bus Recovery Unit
Coolius 4000 BUS unit permits the control of all the functions by means of 4 electronic scales, which control respectively: oil discharged from the A/C system, refrigerant charge, oil charge and additive charge.
Page 13: Distiller - Separator
Coolius 4000 BUS unit is provided with a large size display to allow for good reading even with bad illumination; the 4-line display (with 20 characters each) allows the reading of the parameters connected to the selected function and, if necessary, it indicates the operating or functioning alarms.
Page 14: Functions That Can Be Performed
If the operator does not want to perform a function, he must set a value of 0.0 during programming. d) Coolius 4000 BUS unit allows to have a programme called FIRE & GO, with which the unit will perform automatically the same functions as the ones in the AUTO programme; the only exception is that only the refrigerant charge value can be modified.
Page 15: Control Panel
Automatic A/C-Service Unit Control panel The upper panel of the unit contains all control elements needed for operation, checking for tightness and measuring the A/C system operating pressures. fig.1 ESCRIPTION OF THE CONTROL KEYS Ref. 11: when pressed, they enhance the function to perform or to modify. From the left, you will find the following functions: RECOVERY/RECYCLING, VACUUM, OIL CHARGE, UV CHARGE, REFRIGERANT CHARGE, FLUSHUNG, FIRE&GO, AUTO The numeric keys ref.
Page 16: Preparing The Unit Coolius 4000 Bus For Operation
Ref. 12: alarm LED that lights up every time a function or a value are not regular Ref. 71: Printer Preparing the unit Coolius 4000 BUS for operation WARNING The presence of the synoptic sticker does not exempt the operator from carefully reading this manual and strictly...
Page 17: Zero" Scale Check
Automatic A/C-Service Unit "Z " SCALE CHECK After having unlocked the scale: a) Connect the unit to the power supply b) Turn the 67 switch to position c) Make sure that the bottle is empty d) Wait at least 5 minutes so that the bottle/scale assembly stabilizes before proceeding; The display must show a value between 00.00 e 00.50.
Page 18 Automatic A/C-Service Unit Press the R key, the led starts blinking and the display shows the following screen (to modify the set values – see 2.10 "Control module"): • RECOVERY ALL • MAX RECOV. 12.000 hypothetical value Press the START key to start recovering the refrigerant inside the hose and wait for the automatic stop of the recovery unit.
Page 19: Emptying The Internal Bottle
Automatic A/C-Service Unit 4.4.2 E MPTYING THE INTERNAL BOTTLE Make a vacuum in an external bottle able to contain the refrigerant there is in the internal bottle Remove the unit’s rear panel and the cover Connect the 52 hose to the 78 service connection situated on valve assembly, after you have removed the protection cap.
Page 20: Recovery
Automatic A/C-Service Unit Recovery WARNING During Recovery, set the LOW and HIGH valves on the control panel so that the input pressure never rises over 5 bar. When the Recovery function has been started, it will only last max. 120 minutes. In case the pre-set quantity of refrigerant has not been recovered within 120 minutes, the unit will stop automatically and the alarm message will appear on the display.
Page 21: Refrigerant Recovery For R<>00.00
Automatic A/C-Service Unit WARNING The bottle of the recovery unit has a maximum capacity of 40 kg of refrigerant. If the maximum level is reached during recovery (the alarm message 40.00 appears on the display), the unit will stop automatically. Transfer the refrigerant from the bottle to a suitable external tank (see procedure at 4.5.2) WARNING When the functions have come to an end, the unit goes back to the summarizing screen.
Page 22: Draining Of The Oil Extracted From The A/C System
Automatic A/C-Service Unit WARNING The bottle of the recovery unit has a maximum capacity of 40 kg of refrigerant. If the maximum level is reached during recovery (the alarm message 40.00 appears on the display), the unit will stop automatically. Transfer the refrigerant from the bottle to a suitable external tank (see procedure at 4.5.2) WARNING When the functions have come to an end, the unit goes back to the summarizing screen.
Page 23: Refilling Oil Into The A/C System
Automatic A/C-Service Unit Refilling oil into the A/C system After A/C system evacuation and before refrigerant charging, the unit will perform automatically the oil charge that was set previously (see 8.3) ARNING Lubricant is highly hygroscopic. To avoid contamination, always keep the bottles well closed and open them only before use.
Page 24: Suggested Oil Quantities For Refilling The Vehicle Air Conditioner
Automatic A/C-Service Unit UGGESTED OIL QUANTITIES FOR REFILLING THE VEHICLE AIR CONDITIONER According to the type of A/C system component you have replaced, you need to fill in the lubricant quantity indicated below, even if no oil has been extracted during recovery. Evaporator: 50 cc Condenser:...
Page 25: Charging Refrigerant Into The A/C System
Automatic A/C-Service Unit Charging refrigerant into the A/C system ARNING Before performing a charging operation, check the quantity of refrigerant available in the bottle; the bottle must contain more refrigerant than needed for charging. If it does not, do not charge the A/C system and fill refrigerant into the bottle (see 4.5.
Page 26: Flushing Automatic Function
Automatic A/C-Service Unit FLUSHING automatic function This operation allows to flush (with R134a) any A/C system. The FLUSHING automatic function will perform: a VACUUM and VACUUM TEST cycle, a FLOODING cycle, a RECOVERY cycle, an OIL DISCHARGE cycle. These functions will be repeated according to the number of cycles set.
Page 27: Auto Function
Automatic A/C-Service Unit AUTO function The AUTO function allows the operator to build a personalized program, by setting the values of the functions. The functions are then performed automatically. The values introduced in the AUTO function will be stored by the unit until next modification. Make sure that all the valves on the control panel are closed and that the 67 switch is on I Press the AUTO key: the led of the function will blink and the following screen will appear on the display:...
Page 28: Routine Maintenance
Automatic A/C-Service Unit Routine maintenance 15.1 M ATERIAL FOR ROUTINE MAINTENANCE n°1 filter drier, model XH412 n°1 bottle of oil for vacuum pump, model K1L n°1 bottle of oil for compressor, model SW32 15.2 P ERIODIC OPERATIONS Check all swivel connections for tightening every 10 operations Check the vacuum pump oil level;...
Page 29: Replacing The Filter Driers
Automatic A/C-Service Unit 15.4 R EPLACING THE FILTER DRIERS The replacement must be made at the end of a recovery cycle. Turn the recovery unit off by turning the PWR switch to position 0 and disconnect the power cord; strictly observe the sequence of operations Remove the 2 screws inside the “basin”...
Page 30: Accessories And Spare Parts
Automatic A/C-Service Unit Accessories and spare parts Ref. Description 95 - F1, 90 - F2, 103 - F21, 104 - F22 XH412 anti-acid filter drier Mineral oil for vacuum pump, 1.000cc bottle SW68 Synthetic oil for vacuum pump - HFC134, 1.000cc bottle G19020 Kit of gaskets for 1/4''SAE flexible hoses - 10pcs G19030...
Page 31 Automatic A/C-Service Unit Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...
Page 32 Automatic A/C-Service Unit Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG...

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0900700605