REFCO Powermax - Manual (Page 8)

STANDARD RECOVERY
SET UP
1. CONNECT POWER CORD AND SAFETY CABLE OR TEST PLUG.
2. CONNECT CENTER HOSE OF MANIFOLD TO INLET FILTER.
3. CONNECT HOSE ON DISCHARGE PORT TO LIQUID PORT ON TANK.
4. CLOSE INLET VALVE (V1).
5. TURN CONTROL VALVE (V2) TO RECOVER POSITION.
6. OPEN DISCHARGE VALVE (V3).
7. OPEN HIGH SIDE OF SERVICE MANIFOLD.
8. OPEN LIQUID SIDE OF RECOVERY TANK.
OPERATION
1. TURN POWER ON AND PRESS START BUTTON.
2. SLOWLY OPEN INLET PORT (V1).
3. ONCE LIQUID IS RECOVERED OPEN LOW SIDE OF MANIFOLD.
SHUT DOWN
1. CLOSE INLET VALVE (V1) ONCE DESIRED VACUUM IS ACHEIVED.
2. CLOSE LIQUID VALVE ON RECOVERY TANK.
3. CLOSE DISCHARGE VALVE (V3).
4. TURN POWER SWITCH OFF.
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QUICK TEST
With no hose connected, unit plugged in and test plug connected:
1. OPEN both Inlet Valve (V1) and Discharge Valve (V3).
2. PLACE Control Valve (V2) in RECOVER position.
3. Start unit.
Unit SHOULD be sucking on inlet port.
4. CLOSE Inlet Valve (V1).
Suction Gauge SHOULD go into 25” vacuum.
5. OPEN Inlet Valve (V1).
6. CLOSE Discharge Valve (V3).
Discharge Gauge SHOULD build to 150 psig in 30 seconds.
Technical Support
800-848-4232
Mon-Fri 9am to 5pm EST.
TROUBLESHOOTING
SYMPTOM CAUSE CURE
Unit does not start. No power at plug. Check voltage on plug.
Circuit breaker is open. Reset circuit breaker.
Safety cable not connected. Connect both ends.
Test plug not connected. Connect test plug.
Unit starts then shuts off Discharge valve is closed. Open discharge valve.
Tank valve closed. Open valve on tank.
Too much liquid coming in. Partially close inlet valve.
Unit leaks refrigerant. Blown head gaskets. Replace head gaskets.
Loose flare connection. Tighten all connections
Cracked plumbing. Replace plumbing section.
Unit recovers slowly. Tank pressure is too high. Sub-Cool recovery tank.
Inlet filter is clogged. Change the filter.
Unit shuts off during Tank pressure too high. Partially close inlet valve.
Sub-Cool.
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