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Honeywell Y plan.
Elite, removed grey but supply comes from programmer terminal 1 and boiler terminal 3- Mike'
- Post #12
- Forum: Plumbing and Central Heating
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M
Honeywell Y plan.
Dave, Vaillant recommend their boilers are the 1st on the power supply chain. Link was removed between 3 & 4.- Mike'
- Post #11
- Forum: Plumbing and Central Heating
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M
Honeywell Y plan.
Chris, CH works but not getting hot water. Roomstat controling the boiler. Only way to get HW is to remove MV head and manually position valve.- Mike'
- Post #8
- Forum: Plumbing and Central Heating
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M
Honeywell Y plan.
New MV head, new programmer, new boiler.- Mike'
- Post #6
- Forum: Plumbing and Central Heating
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M
Honeywell Y plan.
Elite;- 230 volts on all terminals- Mike'
- Post #5
- Forum: Plumbing and Central Heating
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M
Honeywell Y plan.
We agree there should only be 2, this is the problem. We do not know where the back feed is coming from. We have a Vaillant 428 using a Siemens programmer. Used the Y plan wiring guide using the boiler as master supply and pump overrun independant.- Mike'
- Post #4
- Forum: Plumbing and Central Heating
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M
Honeywell Y plan.
Why am I getting 3 lives on my cylinder stat connections? This should only be two, I have gone through the wiring guides and not found either faulty wiring nor products. Honeywell technical closed for Xmas.- Mike'
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- Replies: 18
- Forum: Plumbing and Central Heating