6
MODBUS Installation and Operation Manual
HT# 059266-00A
HWrQ PlaTInUM MODBUS VarIaBle lIST
HWrQ reg /
VarIaBle#
DeSCrIPTIOn
MUlT
(if not 1)
UOM
range / STaTeS / SPeCIal
ValUeS
reaD
Only
1 – 3
Model
X
4 – 13
Serial Number
20 Character string
X
14
Firmware Version
100
X
15
Boost Offset
°C, °F
0 - 33°C, 0 - 60°F
16
Boost Mode
0=Off, 1=Vari Boost,
2=Vari Boost + ESD
17,18
Bypass Time
Minutes
0 - 2,147,483,647
X
19 through 50
Boiler Status
(BTYPE=0)®
(BTYPE=1)®
(BTYPE=2)®
(BTYPE=3)®
0=Off, 1=On
0=Off, 1=Low, 2=High
0=Off, 1=Low, 2=Med, 3=High,
0=Off, 1=Low, 2=MLow, 3=Mhigh,
4=High
X
51
Boiler Type . See"HWRQ Platinum
0=On/Off, 1=2-Stage, 2=3-Stage,
3=4-Stage
52
Bypass Mode
0=Auto, 1=Bypass
53 through 84
Extension Panel Stage
Communication Error
0=“”, 1=C/E
X
85
Control Mode
0=Reset, 1=Set Point
86
Outdoor Cut-off
°C, °F
0 - 25°C, 30 - 75°F
87
DHW Call Mode
0=No Priority, 1= Priority
88
Day Light Saving
0=Enable, 1=Disable
89
Sensor Fault Mode
0=Stages On, 1=Stages Off
90
Fast Cool Down
0=Minimum Target Temp, 1=Off
91
Sensor Type
0=°F Sensor, 1=°C Sensor
92
Lead Boiler
93 through 124
Lockout Input
0=(inactive), 1=L/O
X
125
Logic Mode
0=PID, 1=OSS
126
Last Stage Hold
°C, °F
0 –17°C, 0 - 30°F
127
Min Runtime
Minutes
1-60
128
Min Water Temp
°C, °F
21 - 77°C, 70 - 170°F
129 through 160 Boiler Mode
0=Auto, 1=Standby, 2=Off, 3=On
161
Total Boilers
1 – 32 / (BTYPE+1)
162
Outdoor Sensor
°C, °F
-40 – 121°C, -40 - +250°F
(32000=Open, 32001=Shorted)
X
163
Outdoor Sensor Trim
°C, °F
-3 - +3°C, -5 - +5°F
164
Offset Temp
°C, °F
-22 - +22°C, -40 - +40°F
165
Panel Date
Days since
1/1/1981
0 – 36500
166
Pump Run-On
Minutes
0 - 60
167
Panel Time
Minutes
since 0:00
0 – 1439, 1440=not set
168
Pump
0=Off, 1=On
X
169
Purge Delay
Minutes
0-10
170
Reset Ratio
0=1:3, 1=1:2, 2=1:1 .5, 3=1:1 .25,
4=1:1, 5=1 .25:1, 6=1 .5:1, 7=2:1,
8=3:1, 9=4:1
171
Reaction Time
Minutes
1 - 10
