what oil mcquay chiller r134a

[chrisfoss]

can anyone help im working on a maquay chiller ALS 081.2SEXN on the compressor there is a sticker oil charge olio rl 220h and on in the manual it recommends that emkarate rl68h .what is the best course of action to take. both systems are short of oil im thinking top up or replace oil charge thanks for any replies

[pavilion]

Hi Chrisfoss

The manual does indeed recommend Emkarate RL68H, i have used this oil also on 407C. Are the compressors frame 2 or frame 4 compressors? Does the compressor have an oil sight glass as the oil charge is normally added as a percentage of refrigerant charge.

Pavilion

[chrisfoss]

hi pavilion it is frame 2 and there is two oil sight glasses on the compressors 0ne on either side thanks for your reply