Honeywell ATC928 Evohome Connected Multi Zone Room Thermostat Installation Guide
| General | Details |
|---|---|
| Name | Honeywell ATC928 Evohome Connected Multi Zone Room Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.53 MB |
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Honeywell ATC928 Evohome Multi Manual: Questions and Answers
Honeywell ATC928 Evohome Multi specifications
| Batteries | Type AA 1.2V NiMH 2000-2400mAh |
| Humidity | 10 to 90% relative humidity |
| Dimensions | 136 x 93 x 20mm (WxHxD) |
How do I install the Honeywell ATC928 Evohome Multi controller?
Mount the controller using either the stand or wall bracket, maintaining at least 30cm from metal objects and 1 metre from other electrical equipment.
- Choose stand or wall bracket mounting method.
- Position the controller away from heat or cool sources like cookers, lamps, radiators, doorways, or windows.
- Maintain minimum 30cm clearance from metal objects including wall boxes.
- Maintain minimum 1 metre clearance from other electrical equipment such as radios, TVs, or PCs.
- Do not mount onto metal wall boxes. Installation Guide, p. 50
What do the BLUE, WHITE, GREY and ORANGE wires connect to?
Wire identification for mid-position valve systems.
| Wire colour | Purpose |
|---|---|
| BLUE | Motor Neutral |
| WHITE | Heating relay |
| GREY | Hot water relay |
| ORANGE | End switch (feeds boiler in wired systems; not required with wireless boiler relay) |
Can the Honeywell ATC928 Evohome Multi work without a wired boiler connection?
Yes. If a wireless boiler relay is fitted, the Orange wire and feed to pump and boiler are not required. Installation Guide, p. 49
How do I position the Honeywell ATC928 Evohome Multi for best radio performance?
Install it in an open space, at least 30cm away from metal objects and 1 metre from other electrical equipment. Installation Guide, p. 50
What does the green tick button mean on the Honeywell ATC928?
Press it after holding Settings for 3 seconds to confirm and enter the parameter adjustment menus. Installation Guide, p. 40
Difference between single room and multiple room zones on the Honeywell ATC928?
| Single room zone | Multiple room zone |
|---|---|
| Controlled by one temperature sensor | Each radiator controller measures room temperature independently |
| All radiators in zone use that sensor | Radiator controllers work independently in separate rooms |
| Supports remote temperature sensors like DTS92 | Does not support separate remote temperature sensors |
How many system parameters can you adjust in the Honeywell ATC928 Evohome Multi installer menu?
Five: Internal Sensor Offset, Cycle Rate, Minimum On Time, Fail Safe, and Hot Water Parameters. Installation Guide, p. 40
What do the flashing zone light colours mean on the Honeywell ATC928 Evohome Multi underfloor controller?
Flashing GREEN indicates a single stage bind process. Flashing RED indicates a two stage bind process.
| Zone Light Colour | Bind Type |
|---|---|
| GREEN | Single stage bind |
| RED | Two stage bind |
How do you know if binding to the Honeywell ATC928 Evohome Multi was successful?
You'll receive a SUCCESS message on the evohome Controller display after the sensor binding signal is sent. Installation Guide, p. 29
What happens if you move the Wireless Relay Boxes to a new function on the Honeywell ATC928 Evohome Multi?
The relay binding must be cleared or it will continue to carry out its original function. Installation Guide, p. 44
Can you remove the OpenTherm bridge connection from room thermostat terminals on the Honeywell ATC928?
No. Connect the OpenTherm bridge to the OpenTherm input on the boiler only, not to room thermostat terminals. Installation Guide, p. 47
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