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Re: adjusting water temp
Behind the handle there is usually a scald gaurd on the newer faucets. You can adjust it from there. If your not sure, follow this link and download the installation instructions to your faucet. There you will find how to adjust it step by step. http://www.hansgrohe-usa.com/us_en
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The temperature is pre-set and is intended to be not too hot to inadvertently burn someone. Increasing the setting can cause a real SAFETY HAZARD, especially if small children or seniors are involved.
With that in mind, there will be a panel that unscrews from the side of the heater. After removing it, lift the insulation back and a dial should be visible. There will be numbers, and a pointer with a screw slot in the centre. Turning the pointer to a higher number will increase the temperature.
If you are going to adjust it, only do so a very small amount at one time, until you reach the desired temperature.
Remember, increasing the temperature will not give you more hot water, it will only give you hotter water. If you need more hot water, consider getting a larger tank or an "on demand" gas fired unit.
I am not sure what you are asking, But i am going to assume that you want to know about changing the Temp on the heater for inside the house. If the floor heat was installed properly than it should have a temperture manifold or adjustable thermostat for seperate heating. You need to find the thermostat or manifold for the garage heat and set it at what ever temp you want the garage to stay at. Then you can change the A B C knob to a higher setting A is cold B is warm ac is hot. So Increase your temp setting on the heater and this will increase your house water temp for hotter showers and faucet temps. However, they recommend not setting the temp above 120 degrees to prevent severe burns. If you have a newer home increasing the Hot water heater temp setting may not change the temp at the shower or faucets if you have scald guard faucets installed in the house. This will require adjusting the scald guard valves on each faucet. I recommend using a candy thermometer or digital thermometer to check the faucet and shower Temp prior to using them and make sure that you inform everyone in the house after you change the temp so that no one gets scalded. I hope this answers you question, feel free to contact me if you need more help! DR Wilkins
there is a high and a low limit on these units, the two control knobs are actually the reverse of what you are trying to accomblish,first lower the bottom or low cut off temp first then the high temp ,it must cycle a couple times for it to adjust
specifications are based
on 220 volts. It should
be noted that higher
voltage will increase
power, just as lower
voltage will have the
reverse effect. The
(POWER MODE CONTROL) can
be adjusted to
compensate allowing the
user to increase or
temperature. For best
temperature at MEDIUM
FLOW (approximately 1
GPM) this is the average
water flow at any faucet
with an aerator.
Remember, that any
adjustments made on your
unit will take seconds
to reach point of use.
DO NOT OVER HEAT WATER.
Water temperature from
105F to 120F is adequate
for all practical
Max KW at 220V
Max Amps at 220V
If you aren't getting any error codes, then the heater is probably doing its job. Your problem is probably somewhere in your plumbing system. The most common reason you get this sort of problem is due to cold water mixing in the hot water system. There are a number of causes for a "cross connection" :
-Faulty check valve -Missing check valve on reciculation return line -Faulty shower cartridge -Thermostatic mixing valve set too low -Faulty thermostatic mixing valve -Faulty anti-scald valve
The easiest way to confirm a cross connection is to: 1) shutoff the cold water entering the tankless heater 2) open hot water valves around the house. If you still have water flowing at your hot water fixtures, then you have a cross connection.
The thermostatic stop is set too low.
Havent set a grohe before but most other thermostatic shower valves work similar.
pull off the handle(however a grohe handle comes off . . ) there should be a notched ring or stop which keeps the handle from going all the way hot. pull out the ring and turn it a few teeth hotter put back and reinstall handle try water temp and adjust again if necessary.
Do you mean the other faucets in the house are hot and only the shower is warm?
If so there is an anti-scald adjustment on the faucet that needs to be turned up a few notches. Havent adjusted a Grohe faucet but most faucets you rmove the handle and behind the handle is a nothced adjustment ring that prevents the faucet from getting too hot. This ring, or stop, is pulled out and twisted clockwise(or counter clockwise to set higher or lower max temp, then pushed back.
maybe you can look up grohe to see which way ring or stop adjusts for hotter water.
4yrs isn't very long, but I do believe the mixer needs a new cartridge in it. unless you have a loose knob/handle.But I don't thnk so. The temps should change almost immediatley. Have someone change the cartridge. It may need a special tool. If you think you can, do it yourself, the tool comes with full instructions. Make sure it does, consult with the pkumbing person .
1. Turn off power vent blower and set water heater temp to vacation (lowest temp) 2. Turn on power vent blower 3. Turn the water heater temp from vacation (lowest temp) to hot (highest temp) four times. 4. Set the water heater temp to normal