Manual zz. Use spreader bars to prevent slings from damaging unit panels. Do not roll unskidded unit on pipes or rollers. Skid Removal — Remove the 4 bolts holding top frame in place and lift frame from unit. Remove compressor compartment end panel. Raise and block up compressor end of unit about 10 inches.
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Remember Me? Results 1 to 9 of 9. Thread: obsolete carrier split. Thread Tools Show Printable Version. This is an old split that the Carrier web site dosen't recognize. Downtown Chicago high rise elevator machine room cooling. The shop that was in there before us had lbs of 22 in this beast and slugged the pump. On start up I found a couple of issues besides the overcharge.
One bad txv and a bad low pressure switch. Going back there tomorrow with the parts and would really like to have a schematic to see what is supposed to go on with this thing.
Any help would be greatly appreciated. Originally Posted by schomaker Is here anyone out there that knows where I can find schematics for a 38ad Scho, Email me my email address is in my profile and I'll email you the service manuals. Attachment Controls is a lifestyle not a job. Old Carrier 38AD Love um!!!
Serviced many of these old bad boys - once all the normal mechanical problems are repaired, if you have the money and time, upgrade to electric unloading with non-recycle pumpdown and it will last to you retire. What is that. Have never heard of it. That is a very strong unit. They don't make 'em like that any more. Djken That is just what the dr. Obsolete Carrier Spilt Schomaker Non recycle pump down is a control circiut modification that allows the unit to pump down and cycle off on the low pressure control after the thermostat is satisfied, and will not restart until an additional call for cooling is realized.
The system does need to have a liquid line solenoid, and accessory relay, etc. Please read this Valves, Regulators, Filters, Etc. All times are GMT The time now is AM. All rights reserved.
Carrier AIR-COOLED CONDENSING UNITS 38AD user manual