What Has Changed - Honeywell TR80 Installation And Operating Manual

Wall module
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Register
Relative
type
Address
Holding
1000
41001
and clears all user setting (Config. setting saved to flash memory remain unchanged).
An override cancellation occurs when a bit is set (on a change from 0 to 1). The wall module
takes no action when a bit is cleared.

3. 7. 3 What has changed

This register changes when the user makes any adjustment on the wall module. It can be uti-
lized by a master controller to reduce comms. It will be sufficient for the controller to read only
this register until a non-zero value is received. Then, and only then, the controller would need
to read the new user setting from the relevant register.
Register
type
Input
It is important to note that this register automatically returns to the default value of 0 as soon
as it is read by the master controller. There is no need for the master to reset it.
35
Absolute
Dir
Name
Address
Override
R/W
reset
Relative
Absolute
Address
Address
9
30010
Type
Range
Bit0: Reset Setpoint
Bit1: Reset Fan Speed to AUTO
Bit2: Clear HVAC mode override
Bit3: Clear Occupancy Override
except for holiday
bitwise
Bit4: Clear Occupancy Override
include holiday
Bit5: Clear DnD
Bit6: Clear MuR
Bit7: Reset temperature unit to °C
Bit15: Restart wall module
Dir
Name
What has
R
changed
TR80 - Installation and Operation Guide
Default
value
0
Type
Range
Bit0: Setpoint
Bit1: Fan speed
Bit2: HVAC mode
Bit3: {reserved}
Bit4: Occupancy
Bit5: DnD/Mur
Bit6: {reserved}
bitwise
Bit7: Temperature unit
Bit8: Light group 1
Bit9: Light group 2
Bit10: Light group 3
Bit11: Light group 4
Bit12: Blind 1
Bit13: Blind 2
Default
value
0
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