Related Manuals for Matco Tools AC880
Summary of Contents for Matco Tools AC880
- Page 1 OPERATION & MAINTENANCE MANUAL AC880 Refrigerant Handling System Manual P/N 035-80749-00 Get other manuals https://www.bkmanuals.com...
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Page 2: Table Of Contents
Safety Precautions ......2 Using the AC880 ......3 Setup . -
Page 3: Before Using The Ac880
A/C Systems having larger capacities must be recovered from the vapor side only. Never connect the Red or Blue Hose on the rear of the AC880 to the Liquid Port of a Cylinder of Refrigerant to fill the Charge Cylinder. Doing so may cause the Compressor to fail and void the warranty. -
Page 4: Using The Ac880
Recovery of the A/C System. Refer to the chart below for guidelines on setting the Recycle Hold Timer. The value entered is stored in the memory of the AC880 and becomes the default value each time it is set. Non- Condensable Gases are vented automatically during Recovery/Recycle. -
Page 5: Setup
SETUP Low Pressure Gauge Oil Charge - High Side Fill Port Keypad Red Hose - High Side Refrigerant Cylinder Power Switch Blue Hose - Low Side Yellow Hose w/Anti-blowback High Pressure Gauge Oil Charge - Low Side Oil Drain Pressure Switch Display Oil Charge Bottle Oil Drain... -
Page 6: Fill Charge Cylinder
ENTER this procedure. 1. Set up the AC880 as shown on Page 4 and then turn the Main Power Switch C H E C K H O S E S ON. -
Page 7: Recover/Recycle
R E C Y C L E “RECYCLE HOLD” “TIME XX MIN # ”. The Recycle Hold Time is the amount of time that the AC880 waits for “out- ENTER gassing” or for the pressure in the A/C System to rise enough to automatically restart the recovery process. -
Page 8: Drain Recovered Oil
Slowly open the Oil Drain Valve (17) to drain any oil which may have been removed from the A/C System. Unless the A/C System had previously been overfilled, the AC880 will typically not remove enough oil to make replenishment necessary. -
Page 9: Deep Vacuum
V A C U U M “ENTER VACUUM” “TIME XX MIN # ”. This screen will display if the AC880 senses a pressure in either the High or Low ENTER Pressure Hoses. When this occurs, the A/C System must be emptied using the Recover/Recycle procedure on Page 6. -
Page 10: Charge
Charge Amount entered in Step 5 plus a one ounce (0.03 KG) Over Charge set at the factory to compensate for hose loss. (See Set Over Charge Amount on Page 13 to change the default value.) When the AC880 has finished, the Display will read “CHARGE COMPLETE” “EVAC HOSES” and the Attention... -
Page 11: Automatic
E N T E R V A C U U M The Recycle Hold Time is the amount of time that the AC880 waits for “out- gassing” or for the pressure in the A/C System being recovered to rise enough... - Page 12 T I M E L E F T = X X M I N This screen will display if there is an internal fault. Turn the AC880 Power Switch OFF. Contact RTI Technical Support. P U M P This screen will display when the Charging Cylinder fills to capacity, approximately 17.5 lbs (8 Kg).
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Page 13: Access Stored Data
W E I G H T = X X . X A U T O M A T I C 1. Set up the AC880 and turn the Main Power Switch ON. >>>>> 2. Using the Keypad, press the “Up Arrow” key five times to display ENTER “WEIGHT= XX.X LB”... -
Page 14: Set Over Charge Amount
X X . X A U T O M A T I C Remove the front panel of the AC880. Set up the AC880 as shown on Page 4 and then turn the Main Power Switch >>>>> ENTER ON. Refer to the figure below to locate the Access Hole (on the metal circuit board cover) to the Calibration Switch. -
Page 15: Scheduled Maintenance
Check the oil level in the Vacuum Pump while the pump is running. The Vacuum Pump Oil Level Sight Glass is visible through a hole in the Lower Rear Panel of the AC880. The oil level should be at the “half-way” point of the glass. If oil is not visible call Technical Support at 800-468-2321 (Ext. -
Page 16: Parts Identification
PARTS IDENTIFICATION DESCRIPTION 360-81555-00 Manifold Assy 880 120V 024-80037-00 Contactor ½ HP (120V) 3NO/1NC 024-80066-00 Rocker Switch SPDT Visired Non-lighted 360-80369-02 D/P Switch R134A 360-81195-03 Vacuum Pump Assy JB 360-81314-00 Low Pressure Switch 3 psig-15in Hg SPDT 360-81221-01 Charging Cylinder Assy 8 Kg 120V Htr 024-80035-00 Rocker Switch SPST... - Page 17 PARTS IDENTIFICATION DESCRIPTION 026-80077-00 Combo Filter 3/8 Flare (Long) 360-81192-00 Compressor Inlet Tube Assy 360-81197-00 Accumulator Assy 360-81356-01 Compressor Assy 780 120V 026-80069-00 Combo Filter 3/8 Flare (Short) 360-81292-00 Solenoid MOV Sub- Assy 120V 360-81307-00 High Pressure Switch 261 Psig SPDT w/Gask Page 16 Get other manuals https://www.bkmanuals.com...
- Page 18 PARTS IDENTIFICATION DESCRIPTION 024-80040-00 Rocker Switch SPDT (on-on) Amber 125V 024-80060-01 Circuit Board 120V 026-80065-03 Gauge 30"-120 Psig 1/4 MFL 3.5" 025-80128-00 Lamp Holder w/Clear Bulb 120V 025-80127-00 Clear Bulb Bayonet Base 120V 025-80131-00 Lens Assy Amber 026-80071-03 Gauge 0-500 Psig 1/4 MFL 3.5"...
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Page 19: Troubleshooting Fill Cylinder Procedure
Cylinder is right-side-up. 4) If the yellow hose (15) was connected to the Fill Port (13) the first time the AC880 was used, there may be excessive air in the AC880 Charge Cylinder. At least 4 lbs. of refrigerant must be recovered/recycled into the AC880 Charge Cylinder following the Recover/Recycle procedure on Page 6.