Search found 4 matches

by larsvdvoorden
Thu Mar 12, 2015 10:46 am
Forum: Opentherm Gateway Forum
Topic: [SOLVED] Wiring thermostat to gateway
Replies: 6
Views: 7422

Re: Wiring thermostat to gateway

That seems to be the problem. When I round my setpoint, the thermostat won't jump back to its own programmed value. Thank you!
by larsvdvoorden
Tue Mar 10, 2015 11:26 am
Forum: Opentherm Gateway Forum
Topic: [SOLVED] Wiring thermostat to gateway
Replies: 6
Views: 7422

Re: Wiring thermostat to gateway

The Equipment matrix on otgw.tclcode.com tells me that the Honeywell Chronotherm Modulation CMT937 should accept the override setpoint, right? When I send a TT-command, the TELE-symbol is shown on the thermostat. Maybe that's the problem? Do you know how I can disable (?) the tele function on the th...
by larsvdvoorden
Thu Mar 05, 2015 1:30 pm
Forum: Opentherm Gateway Forum
Topic: [SOLVED] Wiring thermostat to gateway
Replies: 6
Views: 7422

Re: Wiring thermostat to gateway

The gateway reported 'Thermostat disconnected' on the serial. I measured all resistors and I found out that I was using 4.7 resistors instead of 4K7 (stupid me :roll: ). It seems to work now. I can receive messages from the thermostat, but I have a new question now; When I set 'TT' (Temporarily temp...
by larsvdvoorden
Wed Mar 04, 2015 5:48 pm
Forum: Opentherm Gateway Forum
Topic: [SOLVED] Wiring thermostat to gateway
Replies: 6
Views: 7422

[SOLVED] Wiring thermostat to gateway

Hello, I'm trying to install an opentherm gateway at home for controlling my CH-system. 4 months ago I tried the gateway and I was able to receive messages from my Remeha Avanta. My Honeywell Chronotherm (Modulation CMT937 ) didn't work. The thermostat starts but said 'Bedrading fout' / Wiring error...

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