ICC ETH-1000, Installation Manual

Page: 35 / 54

35
BACnet / Boilers
Table 33. BACnet/Boiler Object List
BACnet
Object Name
(Description)
BACnet
Object
Type/Inst.
BACnet
Object
Property R/W Units
Min
Value
(if W)
Max
Value
(if W)
Pump Run Time Analog Input 101
3UHVHQWB9DOXH 5:
Seconds 0 64800
KRXUV
DHW P Gain
/HDG/DJ3JDLQ
Analog Input 102
3UHVHQWB9DOXH
R Number 0 100
DHW I Gain
/HDG/DJ,JDLQ
Analog Input 103
3UHVHQWB9DOXH
R Number 0 100
DHW D Gain
Lead Lag D-gain
Analog Input 104
3UHVHQWB9DOXH
R Number 0 100
Mode Sensor Sel
0RGXODWLQJ6HQVRU6HOHFW
DHW demand switch)
Analog Input 201
3UHVHQWB9DOXH 5:
Number
6HH
7DEOH ).
0 11
Lead Lag Set Pt
/HDG/DJ'+:VHWSRLQW
Analog Input 202
3UHVHQWB9DOXH 5:
°C -40°C 130°C
On Hysteresis
/HDG/DJRQK\VWHUHVLV
Analog Input 203
3UHVHQWB9DOXH 5: 'LVDEOHG
(QDEOHG
0°C 130°C
Off Hysteresis
/HDG/DJRQK\VWHUHVLV
Analog Input 204
3UHVHQWB9DOXH 5: 'LVDEOHG
(QDEOHG
0°C 130°C
DHW Hi Limit Set
2XWOHWKLJKOLPLWVHWSRLQW
Analog Input 205
3UHVHQWB9DOXH
R °C -40°C 130°C
Frost Protect
%LQDU\
Output 401
3UHVHQWB9DOXH 5: 'LVDEOHG
(QDEOHG
0 1
Enable/Disable
/HDG/DJ2SHUDWLRQVZLWFK
%LQDU\
Output 402
3UHVHQWB9DOXH 5: 'LVDEOHG
(QDEOHG
0 1
Boiler Slave States
Table 34.
%$&QHW%RLOHU6ODYH6WDWH'H¿QLWLRQV
Value State
0 Unknown
1 Available
2 Add stage
3 Suspend stage
4 Firing
5 On leave
6 Disabled
7 Recovering
Boiler Modbus Register Access
Table 35. BACnet/Boiler Modbus Register Access Status
Value State
0 No register writes allowed
1 Installer register writes allowed
2 OEM register writes allowed
3 All register writes allowed