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Heat is not working on hvac package unit - Tylo COMBI-U7 Heater

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The unit you state is a Sauna heater/humidifier. I do not understand how or why it is connected to a heating ventalting air conditioning (HVAC) system, please explain.

Posted on May 03, 2014

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6ya6ya
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Posted on Jan 02, 2017

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Why does the unit come on for 1 or 2 seconds when I shut the cold water off in the kitchen


It may just be something it does when you happen to turn on the sink. I don't think there is a problem with the water heater coming on when you use cold water. It may just be heating the water back because the water is much colder than normal. You could talk to an HVAC guy and see what kinds of things they can do to help the situation. SERVICES Marv Plumbing Bellingham WA

Apr 10, 2015 | Rinnai RL75iP Interior, 7.5 GPM, Liquid...

1 Answer

Rheem ac/heater only works with thermostat in on position


Another infamous question where the inquiry is not well stated.
Are we talking HVAC as this is posted in Water Heaters?
And,gosh, doesn't it make sense that when the T-Stat is on.......amazingly the unit works?
As opposed to when it's off and the unit is still energized?

Oct 20, 2014 | Water Heaters

1 Answer

Ls80t hot water goes hot cold hot cold heating is ok


http://waterheatertimer.org/How-to-fix-water-heater.html

What kind of water heater do you have? Boiler, indirect?
What brand and model?
Or is this a HVAC unit?

Gene

Aug 17, 2014 | Water Heaters

1 Answer

Hvac package unit the heat is not working


Is it gas or electric. Have you checked the fuses

Mar 17, 2014 | Tylo COMBI-U7 Heater

1 Answer

Does the water heater produce radiant heat to the exterior of the unit


1) No.
NO.
Do NOT store combustibles close to a water heater, fireplace, or any source of ignition, including HVAC, space heater, microwave, appliance, etc.
http://waterheatertimer.org/Troubleshoot-Rheem-Tankless-water-heater.html#bang

2) Tankless water heaters do not have FVIR safety features found in tank-type gas water heaters rated less than 60,000 BTU.

3) Tankless water heaters draw large amounts of air into combustion chamber from surrounding room, and this air feeds directly into the burner flame with no barrier.

4) If flammable vapors enter tankless, then it can cause fire, explosion, conflagration.

5) Read product manual and safe a life.

Feb 07, 2013 | Noritz N-0751M Residential Gas Tankless...

1 Answer

What size wire and how does it hook to thr unit rpkb-036jaz


Look at rating plate on side of unit for Volts, Amps, Watts.
Volts x amps = watts.
If unit is 240Volts, then you need double-pole 240Volt breaker
If unit is 8500 watts at max power, then 8500 watts divided by 240Volts = 35 amps.

What size breaker for 35 amps?
When electricians figure load rating for breakers, they use the 80% rule.
40 amp breaker x 80% = 32 amp safe maximum load for 40 amp breaker. Use 8 gauge wire with 40 amp breaker.
50 amp breaker x 80% = 40 amp safe maximum for 50 amp breaker. I use 6 gauge wire with 50 amp breaker.
60 amp breaker x 80% = 48 amp safe maximum for 60 amp breaker. Again, use 6 gauge wire with 60 amp breaker.

How to connect wires to unit.
First of all, all outdoor HVAC units require power cut off located next to unit.
This lets the mechanic, or service tech turn power off to work on unit, even if the mechanic does not have access to main breaker box.

Next, open unit to see where wires connect.
If unit has wires, then connect both hot wires from 240 breaker to the wires inside unit. Connect bare ground wire to green ground screw.
If unit has terminals. The terminals will be labeled L1 L2. Connect each hot wire from 240Volt breaker to either one of the screw terminals. Then bare ground goes to green ground screw.

Copy following links for basic illustrations connecting wires to terminals, and to breakers, and selecting wire size.
http://waterheatertimer.org/How-to-wire-Tankless-electric-water-heater.html

Jul 21, 2012 | Rheem R-410A Complete Split System Heat...

1 Answer

Who to ask to set a THERMOSTAT IN HOUSE


1) Post the brand name of the thermostat with as much detail as possible so folks can possibly find a manual to read alongside you.
2) Call local HVAC (heat-air conditioning) supply house and ask them for information about your thermostat.
3) Call HVAC repair company
4) Take a photo of your thermostat over to HVAC companies
5) Once you find out information, do a web search for that brand and model number

You may have to dig around a bit, but programming a thermostat can save money on monthly bill.

Feb 19, 2011 | Water Heaters

1 Answer

How do I turn it on? I press the "on" button and


The manual says:
http://www.coinwash.com/temp/rinnai.pdf

"For the name of the Authorized Distributor or Installer nearest you, please contact your local HVAC dealer or gas service technician, visit the Rinnai website (www.rinnai.us), call Rinnai at1-800-621-9419 or write to Rinnai, 103 International Drive, Peachtree City, Georgia 30269"

Manual says that the remote is for setting temperature.
When you turn on hot water spigot, tankless water heater will heat the water to the set point temperature.
If water heater is not set up to use remote, then tankless unit will heat to 140 degrees F.
"With the MCC-45-4US remote control installed the water temperature is adjustable from 96
to 180°F. The water temperature cannot be set to a temperature other than 140°F
without the use of the MCC-45-4US remote control unit. If you require a temperature
other than 140°F you must install the MCC-45-4US remote control unit."

"Error messages are displayed on the remote control units, simplifying service calls."

Page 9 of manual shows hot to set temperature using remote.
Water taps must be shut off to set temperature.
Circulating pump must be turned off.
"Simply press the H or C button until desired temperature is displayed"
"green in-use indicator will display"

If your unit is not working, the manual says to contact local plumber.
Fixya has specialists who will talk to you by phone about your problem for a fee.

Dec 18, 2010 | Rinnai Digital Remote Water Heater Control...

2 Answers

Heater does not function when C8 code appears. How fix?


This is a circuit board problem you will need to contact rheem

Aug 10, 2010 | Rheem RTG-74PVN-2 Natural Gas Pronto Whole...

1 Answer

Damper-bottom of hot water heater broke when changed themocouple


U cannot put it back together it is a fail safe if the unit over heats from a plugged inlet the spring loaded damper is released by one of two way solder retainer melts or vial melts either way the the unit is bad contact Rheem with the 1800 number on the tank and depending on the age they will replace the tank. You will have to uninstall it take it back then install the new tank all not covered by them or if you can't do this a local plumber or hvac company can do it for u

Apr 02, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

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