Movincool Office Pro 12 / Office Pro 18 / Office Pro 24 Manuale di Servizio Scaricare il pdf (Pagina 61)

Repair Section

61

(3) Checking vacuum

1) Leave the high pressure valve and the low

pressure valve of the gauge manifold closed for

five min or more, and confirm that the gauge

pointer does not return to zero.

2) If the gauge pointer returns gradually to zero

there is a leak somewhere in the system (this

could also include gauge manifold). Perform leak

check according to procedure indicated in the

next step. Once leak has been found and

repaired evacuate the system once more, and

confirm system holds vacuum.

I002184

Return

Pipe Brazing

Leave valves closed for 5

min or more. Pointer of

pressure gauge returning to

zero indicates there is a leak.

LO

Closed

HI

Closed

Valve Setting

Pressure Gauge

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