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I have a rheem RMHP6300 heat pump for my pool. Power light…

Customer Question
OK, I have a...

OK, I have a rheem RMHP6300 heat pump for my pool.

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

Power light is on, but flow light is not

Contractor's Assistant: Do you plan on doing the work yourself?

Thermostat cranked up to max and switch set to pool

Contractor's Assistant: Anything else we should know to help you best?

Yes Im willing to give it a try

Submitted: 11 months ago.Category: HVAC
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Answered in 7 minutes by:
8/5/2017
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 23,123
Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
Verified

Hello,

My name is ***** ***** pump running to circulate water through heat pump?

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Customer reply replied 11 months ago
Sorry for the delay - issue with credit card payment now resolved.
Yes, water is circulating.
I checked the ground and all of the connectors to make sure there is continuity from to tabs.
I also broke the water pressure hose off the sensor - it was brittle. But appears I can operate the pressure switch manually.
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

ok so when you operate flow switch manually the heat pump starts?

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Customer reply replied 11 months ago
it does not respond. and the flow sensor light doe not come on.
Customer reply replied 11 months ago
the unit is old and stopped operating after not being used for a year
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

ok do you see 2 wires attached to the flow switch?

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HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

start heat pump..make sure water is flowing and connect these 2 wires direct together...this bypasses the flow switch...tell me result.

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Customer reply replied 11 months ago
there are two on one terminal and one wire on the other. when the switch is not pressed manually, there is continuity between the two tabs. When pressed, no continuity. I'll go connect them like you said and let you know the result.
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

standing by

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Customer reply replied 11 months ago
no response
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

If you follow the wires in that circuit...from the time they leave the board until they return...is there another component or switch?

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Customer reply replied 11 months ago
the orange wire on one terminal goes to a series of terminals on a small "box" that has a solid copper wire to the unit shroud.
the other terminal with two wires - the black/red goes to a circuit board terminal labeled 24 vac and the other one to the led indicator labeled "heat demand"
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

and is there 24v present at the 24vac?

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Customer reply replied 11 months ago
no, there is 24 vac on the "in" terminal, but not on the "out"
Customer reply replied 11 months ago
actually 27vac
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

now...27 starts there, goes through circuit...back to board....can you see if that 24 is making it through the entire circuit?

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Customer reply replied 11 months ago
ok, I should restate. We have 27vac on terminals called "24vac in" on the circuit board. but the terminals on the circuit board called "24 vac out" that are connected to the pressure switch have no voltage.
Customer reply replied 11 months ago
the circuit board is a E193079 and has two terminals that go to what I would assume is a temperature gage for the water.
Customer reply replied 11 months ago
I can email some pics of what were looking at if it helps.
Customer reply replied 11 months ago
ok I've got my laptop and tools out by the heat pump unit hoping it does not rain. please let me know if you anticipate a response may take a while.
Customer reply replied 11 months ago
Billy, please let me know if you are working on this issue or if I should pack it up.
Customer reply replied 11 months ago
please let me know if there should be ac power from the coil that sits behind the ac input (line/load) terminal. there is none.
Customer reply replied 11 months ago
alrighty then im packing up - have q nie day
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

I am very sorry. I experienced difficulties with my connection.

Now...the fact you have no output from the board is concerning. Do you have a high head pressure reset switch?

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Customer reply replied 11 months ago
OK, I looked it over and do no see anything like that
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 11 months ago

See page 22 HERE

Is this wiring format on your unit?

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Customer reply replied 11 months ago
sorry for the delay - it looks correct, but not really sure.
Customer reply replied 11 months ago
here is the diagram that was tucked inside the unit...
Customer reply replied 11 months ago
should I just call a service technician or are we gonna complete the diagnosis?
Customer reply replied 11 months ago
it may also be noteworthy to mention that 24vac gets to the "pool-remote-spa" switch input but when I select pool with the switch, none of the terminals show voltage except for the input.
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