Machine Dehydration
Dehydration is recommen ded if the machine has bee n ope n for a considerable per iod of
time, if the machine is kn own to contain moisture, or if t her e has been a complete loss of
machine holding char ge or r ef rigerant pressure.
Click here fo r Table 5A — H FC-134a Pressure — Temperature (F)
Click here f or Figure 28 — 17/19EX Leak Te st Procedures
Click here fo r Table 5B — H FC-134a Pressure — Temperature (C)
Do not start or megohm t est t h e compressor motor or oil pu mp motor, even for a
rotation check, if the machine is under dehydration vacuum. Insulation break-
down and severe damage may result.
WARNING !WARNING