york compressor jss.180 and jss183

[sholaosho]

dear eng, i work with sheraton nigeria,those chillers are old models. the head pressure is 200psi and the low pressure is about 80psi while it was running it make un usual noise and trips on oil pressure swicth.

[Grizzly]

Time for a "Service" I would guess?
Grizzly

[yorkman_gr]

What type of compressors there are and when was the last time u have the compressors internally check?

[yorkman_gr]

oh i see u said jss 180 and 183 sorry never heard of that one, maybe u mean js 83 or 84 which mean long or short stroke, and also what style there are A-B-C-D-E F

[yorkman_gr]

CORRECTION i mean 84 0r 83

[pisso81]

dear . how are you ?
i thank first thing u have o open compressor access cover after storage the charge ( recovery or pumping down ). drain oil . and check mechanical parts and oil stainer . if OK u have to check control side (transducers . micro board . wiring .)
best regards .
abbas_hvac@yahoo.com .