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20-02-2013, 08:39 AM #1
Rheem package unit 7.5 ton and PROTECH PRO-620 thermostat?
Hi to all
i have question about communication wiring between thermostat and the outdoor unit.
Rheem,model-SJKB0120 NL.
and Protech thermostat model Pro-620.
connectors on the thermostat are:
R,O,B,Y1,E,Y2,W2,G,C,L.
connectors on the outdoor unit are:
R,Y1,Y2,B,W3,G,C,A1,A2.
at first is this model of thermostat compatible with this model of package unit?
and if it is,please someone to send me instruction about connecting it right.
Greetings to all
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20-02-2013, 11:07 PM #2
Re: Rheem package unit 7.5 ton and PROTECH PRO-620 thermostat?
My understanding is that most American kit uses the same, or similar, wiring terminal layouts.
The attached file has on page 11 sample layouts which should be of use. ....
http://www.hi-velocity.com/en/techsu...ion-051210.pdfBrian - Newton Abbot, Devon, UK
Retired March 2015