Instructions for use and maintenance – ROTHENBERGER ROREC v.1 User Manual

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INSTRUCTIONS FOR USE AND MAINTENANCE

4.3. Liquid push/pull method
Push/pull method only works with large systems
where the liquid refrigerant is no less than 10 kg.

CAUTION: When using the "Push/pull" method, a
scale must be used to avoid over filling the storage
tank, once the siphon is started, it can continue and
overfill the storage tank even if the tank is equipped
with a float level sensor. The siphon can continue
even when the machine is turned off. You must
manually close the valves on the tank and the unit to
prevent overfilling of the recovery tank.

1. Put Recover/Purge knob on Recover.
2. Open Output valve.
3. Open Input valve.
4. When the scale stops rising close all ports.
5. Switch off the machine.

Output

Liquid

Scale

Vapor

Recovery tank

Input

Filter

Vapor

Liquid

A scale must be used to avoid

overfilling the recovery tank

HVAC-UNIT/APPLIANCE

CONTAINING REFRIGERANT

REFRIGERANT

RECOVERY

MACHINE