Watts Aerco Innovation 800 User Manual page 115

Gas-fired hot water boilers
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Innovation Hot Water Hot Water Boiler User Manual
See section 8-6 for a range of choices and the default values.
MENU LEVEL &
ITEM
OPTION
13
WHM Min Addr
14
WHM Max Addr
15
SSD Address
16
SSD Temp Format
17
1 Valve Status 8
18
1 Comm Errors 8
19
WHM On Delay
20
WHM off Delay
21
Over WHM Under
22
WHM Min Units
23
WHM Warmup Time
24
WHM On Timeout
25
WHM Valve State
OMM-0120_0A
GF-128-I
CHAPTER 8 – WATER HEATER MANAGEMENT
WHM MENU
Set the minimum address of the heaters to be controlled by the
master. The WHM Min Addr and WHM Max Addr must differ by no
more than 7.
Set the maximum address of the heaters to be controlled by the
master. The WHM Min Addr and WHM Max Addr must differ by no
more than 7.
The Modbus Address of the SSD Device (ProtoNode). Set this
address to 247 if the WHM system is being monitored by a ProtoNode
with Slave –Slave (SSD) programming. Set to zero (0) if no
ProtoNode is installed.
SSD temp values can be accessed in Degrees or Points
Displays the valve status of all the units.
0= valve closed
1= valve open
2= valve stuck closed
3= valve stuck open
Display Comm Errors of all the units.
Specifies the WHM On and Off time delays associated with the Next
ON VP and Next OFF VP menu options. Therefore, if the Next ON VP
or Next OFF VP is at its preset Valve Position (%) for the specified
Delay period, another heater will be turned ON or OFF. This is done
to prevent cycling units on and off during short changes in load.
This value is a Factory debugging tool.
Specifies the Minimum number of units required to be "on" or "active".
Specifies the time a valve will remain closed when turning on a unit in
order to assure that we do not release cold water into the building.
When turning on a unit, the valve will open when either the Warmup
Timer times out or the FeedForward Temperature reaches Setpoint.
Specifies the time the WHM Master waits for a slave unit to turn On.
Displays the status of the WHM Sequencing Valve.
(1 = ON, 0 = OFF)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
- INTERNATIONAL
DESCRIPTION
Page 115 of 174
11/15/2016

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