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ST-2E / ST-3E

Last post by sadms « Wed Sep 10, 2025 5:08 pm
Replies: 1
by Steven W. » Tue Jun 25, 2019 10:30 am

1 Replies

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Last post by sadms
Wed Sep 10, 2025 5:08 pm
Older Technical Documents

Last post by John B. « Thu Jun 13, 2019 10:34 am

by John B. » Thu Jun 13, 2019 10:34 am

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Welcome / Forum Rules

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by Ric » Mon Oct 05, 2009 11:20 am

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Thermostat Options for EWC-ST Series Control Panels

Last post by Parish6503 « Mon Sep 01, 2025 6:44 pm
Replies: 87
by nlagaros » Mon Dec 06, 2010 11:55 am
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87 Replies

1610671 Views

Last post by Parish6503
Mon Sep 01, 2025 6:44 pm
EWC Technical Support

Last post by Parish6503 « Sun Aug 31, 2025 5:14 pm
Replies: 16
by EWC Controls » Tue Jul 28, 2009 10:39 am
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16 Replies

348802 Views

Last post by Parish6503
Sun Aug 31, 2025 5:14 pm
UT-3000 OAS SP 42°F Limit - Needs 55°F Changeover Due to Extreme Electric Rates

Last post by Steven W. « Mon Oct 27, 2025 3:31 pm
Replies: 1
by woodegg » Mon Oct 27, 2025 2:27 pm

1 Replies

15 Views

Last post by Steven W.
Mon Oct 27, 2025 3:31 pm
Whistling noise when only one zone calls for heat/cool in a 2 zone system

Last post by Steven W. « Mon Oct 27, 2025 3:29 pm
Replies: 2
by n00brh » Fri Oct 24, 2025 8:02 am

2 Replies

90 Views

Last post by Steven W.
Mon Oct 27, 2025 3:29 pm
How do i determine zone weight percentage

Last post by olivianaylor « Fri Oct 24, 2025 8:54 am
Replies: 2
by klee » Mon May 19, 2025 1:51 pm

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Last post by olivianaylor
Fri Oct 24, 2025 8:54 am
EWC-ST-2D to NCM-300

Last post by Hunter1020 « Wed Oct 15, 2025 12:30 pm

by Hunter1020 » Wed Oct 15, 2025 12:30 pm

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Last post by Hunter1020
Wed Oct 15, 2025 12:30 pm
BMPlus 3000 with Honeywell T10+ and EIM and dual fuel heatpump system

Last post by meassick « Sun Oct 12, 2025 1:39 pm

by meassick » Sun Oct 12, 2025 1:39 pm

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Last post by meassick
Sun Oct 12, 2025 1:39 pm
NCM-300 Heat Pump with Aux Heat Furnace

Last post by Steven W. « Mon Oct 06, 2025 8:37 am
Replies: 1
by petrasvainiusII » Sun Oct 05, 2025 12:15 pm

1 Replies

2766 Views

Last post by Steven W.
Mon Oct 06, 2025 8:37 am
Can someone explain Staging Timer = OFF?

Last post by steellocthien « Mon Sep 22, 2025 12:07 am
Replies: 2
by jbeir » Sun Feb 23, 2025 3:54 pm

2 Replies

29760 Views

Last post by steellocthien
Mon Sep 22, 2025 12:07 am
Zone wiring

Last post by sadms « Wed Sep 10, 2025 5:13 pm
Replies: 6
by Martinsj » Wed Jul 19, 2023 6:16 pm

6 Replies

30062 Views

Last post by sadms
Wed Sep 10, 2025 5:13 pm
Comfort Net CTK01 need replacement?

Last post by sadms « Wed Sep 10, 2025 5:10 pm
Replies: 6
by sgwhite15 » Fri May 17, 2024 10:10 am

6 Replies

83532 Views

Last post by sadms
Wed Sep 10, 2025 5:10 pm
UT3000 not operating Honeywell dampers

Last post by sadms « Wed Sep 10, 2025 5:09 pm
Replies: 5
by Rwalsh93 » Sat Jan 04, 2025 8:05 am

5 Replies

67147 Views

Last post by sadms
Wed Sep 10, 2025 5:09 pm
Cooling not working

Last post by sadms « Wed Sep 10, 2025 5:07 pm
Replies: 6
by ocortess » Wed Jul 09, 2014 10:28 pm

6 Replies

23998 Views

Last post by sadms
Wed Sep 10, 2025 5:07 pm
ST-2D zones are not working properly

Last post by Parish6503 « Sun Sep 07, 2025 8:54 pm
Replies: 6
by aliirfann » Sat Feb 08, 2020 2:03 pm

6 Replies

287941 Views

Last post by Parish6503
Sun Sep 07, 2025 8:54 pm
Swapping out an ST series zone control to model NCM-3z zone control

Last post by Davi S. « Mon Sep 01, 2025 3:02 pm

by Davi S. » Mon Sep 01, 2025 3:02 pm

0 Replies

1418 Views

Last post by Davi S.
Mon Sep 01, 2025 3:02 pm
Bypass options for Inverter with UT-3000

Last post by Steven W. « Tue Jul 08, 2025 1:26 pm
Replies: 1
by Alto101 » Thu Jul 03, 2025 5:27 pm

1 Replies

108598 Views

Last post by Steven W.
Tue Jul 08, 2025 1:26 pm
Daikin Fit - high fan speed during purge

Last post by rbm3 « Fri Jun 27, 2025 6:12 pm
Replies: 13
by mwheeler » Fri Jul 01, 2022 6:48 pm
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13 Replies

213210 Views

Last post by rbm3
Fri Jun 27, 2025 6:12 pm
UT-3000 Firmware Release notes?

Last post by firebat « Wed Jun 18, 2025 11:35 am
Replies: 6
by firebat » Sat Jun 14, 2025 10:35 am

6 Replies

38283 Views

Last post by firebat
Wed Jun 18, 2025 11:35 am
Connecting My EWC BMPlus 3000 to Generac Automatic Transfer Switch

Last post by jamesrhull2025 « Wed May 21, 2025 9:54 am

by jamesrhull2025 » Wed May 21, 2025 9:54 am

0 Replies

5792 Views

Last post by jamesrhull2025
Wed May 21, 2025 9:54 am
wiring

Last post by Steven W. « Wed Apr 02, 2025 10:35 am
Replies: 1
by joelkrupp88 » Mon Mar 31, 2025 3:09 pm

1 Replies

40587 Views

Last post by Steven W.
Wed Apr 02, 2025 10:35 am
Wiring Ecobee enhanced on NCM300 no C wire

Last post by Mestorer « Tue Mar 25, 2025 5:41 pm
Replies: 4
by Mestorer » Sat Mar 22, 2025 7:57 am

4 Replies

70166 Views

Last post by Mestorer
Tue Mar 25, 2025 5:41 pm
Wiring with A2L refrigerant mitigation

Last post by Steven W. « Fri Mar 14, 2025 1:33 pm
Replies: 1
by Bigram05 » Thu Mar 13, 2025 10:58 am

1 Replies

43767 Views

Last post by Steven W.
Fri Mar 14, 2025 1:33 pm
Daikin fit with the EWC ultra talk 3000 zone board

Last post by Steven W. « Fri Mar 14, 2025 1:15 pm
Replies: 1
by Rmarek » Wed Mar 12, 2025 9:08 am

1 Replies

29711 Views

Last post by Steven W.
Fri Mar 14, 2025 1:15 pm
Contractor left a wiring mess

Last post by jbeir « Fri Mar 07, 2025 4:10 pm
Replies: 2
by jbeir » Sun Feb 23, 2025 10:11 pm

2 Replies

59666 Views

Last post by jbeir
Fri Mar 07, 2025 4:10 pm
Delay fan on for heat pump

Last post by jbeir « Fri Mar 07, 2025 4:06 pm

by jbeir » Fri Mar 07, 2025 4:06 pm

0 Replies

19819 Views

Last post by jbeir
Fri Mar 07, 2025 4:06 pm

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