Search found 30 matches

by John B.
Tue Nov 24, 2020 10:36 am
Forum: Help and Advice
Topic: What's the definition of percentage in a zone, and what is it used for?
Replies: 4
Views: 6501

Re: What's the definition of percentage in a zone, and what is it used for?

Anibal, The UT3000's PID loop and zone weighting features are a means of insuring that any zone can receive the proper BTU capacity. As Tony pointed out, there's some math involved but it's not complicated. You don't have communicating thermostats, so the UT3000 will always interpret your thermostat...
by John B.
Fri Nov 20, 2020 9:01 am
Forum: Help and Advice
Topic: NCM-300 w/ecobee tstats
Replies: 2
Views: 4303

Re: NCM-300 w/ecobee tstats

By the way...it appears that you are missing a jumper from Rc to Rh on the Ecobee sub-base with the bubble level.

John
by John B.
Fri Nov 20, 2020 8:58 am
Forum: Help and Advice
Topic: NCM-300 w/ecobee tstats
Replies: 2
Views: 4303

Re: NCM-300 w/ecobee tstats

Sir, That does'nt make any sense unless your NCM300 is being powered from the Furnace transformer, rather than a dedicated transformer. According to your pictures, each thermostat already has a 24v common wire. Please don't do anything until you call and talk to us!...Do you have a voltmeter?...we'l...
by John B.
Thu Jun 13, 2019 10:34 am
Forum: Help and Advice
Topic: Older Technical Documents
Replies: 0
Views: 37977

Older Technical Documents

Remember, if you are looking for a Technical Bulletin on a discontinued product, click on the "Retired" link at the top of the "Manuals" page!

John Brown
by John B.
Fri May 24, 2019 11:21 am
Forum: Help and Advice
Topic: UT3000 not configuring single stage heat pump
Replies: 3
Views: 7114

Re: UT3000 not configuring single stage heat pump

Sir, Unfortunately, a non-communicating Amana heat pump along with a communicating Amana furnace IS NOT a valid equipment configuration in the "ComfortNet" family of equipment. By wiring the HP in straight cool mode, your contractor was able to get everything to work. A non-communicating A...
by John B.
Tue May 01, 2018 1:10 pm
Forum: Help and Advice
Topic: Thermostat recommendation for UT-3000
Replies: 10
Views: 18565

Re: Thermostat recommendation for UT-3000

Richarda, Red Link is not the same as Climate Talk. Red Link is Honeywell's "wireless" feature/function, that allows you to connect auxiliary devices such as Outside air sensors, Room sensors, Remote access Gateway, etc. Climate Talk is the "wired" protocol/language that the HVAC...
by John B.
Wed Apr 25, 2018 5:04 pm
Forum: Help and Advice
Topic: Thermostat recommendation for UT-3000
Replies: 10
Views: 18565

Re: Thermostat recommendation for UT-3000

Richarda, As a follow-up to your post. Any (non-communicating) Honeywell Thermostat that is "Red Link" capable can be used as Zone 2 & 3. They would be picked up by the HW Gateway just like the CTK04 would. You could create a "portfolio" of thermostats to monitor on your Smar...
by John B.
Wed Apr 25, 2018 2:20 pm
Forum: Help and Advice
Topic: Thermostat recommendation for UT-3000
Replies: 10
Views: 18565

Re: Thermostat recommendation for UT-3000

Richarda, The UT3000 is compatible with the CTK01, CTK02, CTK03 and CTK04 (communicating) thermostats. The older models may not be available anymore. The CTK04 is "Red Link" ready and accessible via your smart phone with the Honeywell Gateway. The reason EWC highly recommends that each zon...
by John B.
Wed Apr 18, 2018 12:15 pm
Forum: Help and Advice
Topic: Thermostat Options for EWC-ST Series Control Panels
Replies: 84
Views: 264568

Re: Thermostat Options for EWC-ST Series Control Panels

Sir, Most zone systems "default" all dampers open during idle periods. The reason for this logic is because there may be another device tied into the duct-work. maybe a whole house humidifier, HRV or a de-humidifier, that is not interlocked into the zone system. If the zone system closed a...
by John B.
Tue Apr 17, 2018 10:12 am
Forum: Help and Advice
Topic: Nest / EWC-ST-2D Controller
Replies: 1
Views: 5894

Re: Nest / EWC-ST-2D Controller

Sagosto, The ST controller's O and B terminals operate like a Summer/Winter switch. It prevents Zone 2 (or higher) from demanding Cooling during Winter time and vise-versa...They have nothing to do with a Heat Pump. Your "paper clip" jumper MUST connect from the "R1" terminal to ...