TABLE OF CONTENTS
HeatNet Control REV 1.38-1
Page 3
Failsafe Modes ......................................................................................................................................... 26
FAILSAFE
REQUIREMENTS: ....................................................................................................................................................... 26
Domestic Hot Water Methods ................................................................................................................. 28
DHW
METHOD
1:
DHW
T
ANK
S
ENSOR
I
NPUT
................................................................................................................................ 28
DHW
METHOD
1
A
:
DHW
H
EATING
ONLY
USING A
S
INGLE
B
OILER OR A
DHW
MASTER
AND
M
EMBER BOILER
(
S
)
EMPLOYING
H-N
ET
... 28
DHW
METHOD
1
B
:
C
OMBO
DHW
AND
S
PACE
H
EATING USING A
MASTER
B
OILER AND
M
EMBER BOILER
(
S
)
EMPLOYING
H-N
ET
............. 29
DHW
METHOD
2:
DHW
H
EADER
S
ENSOR
I
NPUT
............................................................................................................................. 30
DHW
METHOD
3:
S
PACE
H
EATING WITH
DHW
O
VERRIDE
............................................................................................................... 30
DHW
METHOD
4:
DHW
USING
D
IRECT
C
ONTROL
............................................................................................................................ 31
Stack Temperature Monitoring ............................................................................................................... 31
Wiring Connections ................................................................................................................................. 33
Calibration ................................................................................................................................................ 44
Log Entry .................................................................................................................................................. 45
Default Settings & Menu Item Descriptions — SETUP .......................................................................... 46
Default Settings & Menu Item Descriptions — ADVANCED SETUP ..................................................... 50
MODBUS Communications ..................................................................................................................... 54
Troubleshooting ...................................................................................................................................... 61
Smith HeatNet Control Run Screen ........................................................................................................ 65
* Status Information ................................................................................................................................... 3
S
TATUS INFORMATION SCREENS
.......................................................................................................................................................... 3
Smith HeatNet Control Menu Tree — Smith Version 1.38 ..................................................................... 68
Smith HeatNet Control Advanced Menu Tree — Smith Version 1.38 ........................................................ 69
Worksheet ................................................................................................................................................ 70
Thermistor Resistance/Temperature Table ............................................................................................ 73
Status Screen Fault Display .................................................................................................................... 75
Line 4 Log Entries: .................................................................................................................................. 78
Information contained in this publication regarding device applications and the like
is provided only for your convenience and may be superseded by updates. It is
your responsibility to ensure that your application meets with your specifications.
SMITH MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND
WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR
OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT
LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE,
MERCHANTABILITY OR FITNESS FOR PURPOSE.
http://www.smithboiler.com/
The Smith name and logo, Hydrotherm name and logo, Mestek name and
logo, HeatNet, and H-Net name and logo are registered trademarks of
Mestek, Incorporated in the U.S.A. and other countries.
BACnet is a registered trademark of ASHRAE. LonWorks is a registered
trademark of Echelon Corporation.
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property of their respective companies.
© 2010, Mestek Technology Incorporated, Printed in the U.S.A., All
Rights Reserved.