CPS AR2700E Operation Manual - Page 9

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Open the manifold valve (HI an/or LO) to choose the charge path into the car A/C

system.

2. Open the oil injection valve. Note: the oil level in the oil

injection bottle.

3. Once the required amount of oil has been injected, close

injection valve.

4. Proceed immediately to Charge Function.

Charge Function:

A/C system should be in a deep vacuum.

1. Connect HI and LO side service hoses to A/C system.

Open the service hose valves.

2. Open the manifold valve (HI an/or LO) to choose the charge path into the car A/C

system.

3. Push the SET/RESET key on scale keypad until the LCD displays "READY"

and charge amount.

4. Push LB/KG Key on scale keypad to select LBS or KGS units of measure.

5. Use the UP or DOWN arrow keys to set the charge weight. Note: If the unit

alarms, the remaining refrigerant capacity has been reached.

6. Push the GO/HOLD key. The unit will begin to automatically charge the

A/C system.

7. The LCD will show refrigerant being dispensed.

8. Once amount shown on LCD meets the programmed amount, the charging will

automatically stop and the unit will beep. Go to Step 9.

If the programmed charge weight is not reached (The unit will alarm if there is no

refrigerant flow for more than 3 minutes) on LCD follow steps A-D:

A. Close (I) the HI manifold valve.

B. Start A/C System.

C. Open (O) LO manifold valve.

D. Once programmed charge amount is reached, the charging will automatically

stop and the unit will beep.

The following is hose purge sequence to ensure no residual liquid

refrigerant is left in the service hoses:

9. Remove the HI side service hose from the A/C system.

10. Start A/C System.

11. Open (O) both LO and HI manifold valves. Once LO and HI manifold gauges are

reading the same pressure, hose purge is complete.

12. Disconnect LO side service hose from A/C System.

Before running the charge function, the

OPERATION

Oil Injection Port