Question about Rinnai Digital Remote Water Heater Control Mcc-45-4us
Without remote heater woorks fine. Hook up the two leads to remote MC-45-4US main controller no hot water . remote cycles thru a test
and so on up to 7 then starts over. remove remote turn water on cold must turn it of turn back on and runs hot just fine
Did you turn the unit off before hooking it up ? Any function on a tankless rennai the pwer has to be turned off and the priority button has to be pushed in,, if you have the manuel it tells you haw to do this,,
Posted on Jun 06, 2009
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Posted on Jan 02, 2017
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