Question about Honeywell Heating & Cooling
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Posted on Jan 02, 2017
Tankless water heaters for domestic use fire whenever there is water flow. As long as the pump flow rate exceeds the minimum flow rate of the appliance, the heaters hould fire (the return temperature needs to be less than the set temperature as well). Boiler systems will typically require a thermostatic signal (call for heat) and water flow before they will fire. Tankless heaters are designed for residential use and only require pump flow to fire.
Posted on Aug 18, 2009
Thanks for using FixYa. Perofrm this test--
Connect DATS Sensor to EMM-3 (optional).
a. Reconnect power to EMM-3.
b. If system is in Purge mode, press PURGE OVERRIDE on EMM3.
c. Verify SYSTEM LED is no longer flashing. This confirms proper DATS operation. (Flashing occurs in Idle and Fan modes only.)
Also see page# 9 & 10 from this link--
Honeywell EMM-3 zone controller
Please do accept the solution if the issue is resolved or else revert for further assistance.
Posted on Aug 28, 2009
check the outside unit (condenser) see if the fan and compressor are running. the compressor humms and you should be able to hear it. if it is running check the inside unit's coil to see if it is frozen or dirty. if it is frozen or extremely dirty then you have restricted airflow to the inside unit. Sometimes checking the coil is near impossible, i use an inspection mirror and headlight flashlight, then i wedge a chisel under the front of the drainpan (CAREFULLY! its plastic usually) so i can get my mirror in there and see whats up. On a furnace the coil will be on the very top and have 2 copper pipes running into it with one of them being insulated. hey also a dirty filter or prefilter can cause freezing.
Posted on Oct 10, 2009
correct. in order to enjoy your digital sources in any zone2 configuration, an additional connection has to be made to the analog input from and for each of these devices.
some receivers wont allow internal xm, sirius and ipods to work in zone2 because they are input to the digital board and thats what your stuck with.
Posted on Nov 03, 2009
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