ITV ICE MAKERS NG DP 80 A User Manual

NG DP
TECHNICAL SERVICE MANUAL
25
9. SPECIAL ADVICE CONCERNING R-404A REFRIGERANT
 R-404A is a mixture of 3 liquid-phase gases. On evaporating, the 3 component gases separate
 Always use the liquid phase valve (at the end of condenser or accumulator) for refills and
purges.
 When replacing a compressor, wash inside of circuit with a suitable solvent + pump, dry with
nitrogen gas, REPLACE THE DRIER WITH ONE SUITABLE FOR R-404A, which must
also have ANTI-ACID properties.
 If you need to add oil, use one which is specific for R-404A (POE). If you are in doubt,
contact the machine manufacturer.
 If there is a leak anywhere in the circuit where R-404A in the GAS phase, and a refill of
over 10% is required, then ALL THE GAS IN THE CIRCUIT MUST BE PURGED AND
THEN REFILL AS DESCRIBED PREVIOUSLY (LIQUID PHASE VALVE)

ITV ICE MAKERS NG DP 80 A Specifications

General

Brand	ITV ICE MAKERS
Model	NG DP 80 A
Category	Ice Maker
Language	English