AERCO RECON 1000 - Manual (Page 123)

RECON Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
OMM-0103_0A AERCO International, Inc.  100 Oritani Dr.  Blauvelt, NY 10913 Page 123 of 178
GF-147 Phone: 800-526-0288 PRI: 10/28/2014
WHM MENU
See section 8-6 for a range of choices and the default values.
ITEM
MENU LEVEL &
OPTION
DESCRIPTION
14 WHM Max Addr
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.
15 SSD Address
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.
16 SSD Temp Format SSD temp values can be accessed in Degrees or Points
17 1 Valve Status 8
Displays the valve status of all the units.
0= valve closed
1= valve open
2= valve stuck closed
3= valve stuck open
18 1 Comm Errors 8 Display Comm Errors of all the units.
19
&
20
WHM On Delay
WHM off Delay
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.
21 Over WHM Under This value is a Factory debugging tool.
22 WHM Min Units Specifies the Minimum number of units required to be “on” or “active”.
23 WHM Warmup Time
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.
24 WHM On Timeout Specifies the time the WHM Master waits for a slave unit to turn On.
25 WHM Valve State
Displays the status of the WHM Sequencing Valve.
(1 = ON, 0 = OFF)
26 Valve Override
Valve Override allows the user to manually control an Isolation Valve as
follows:
• Off– Valve Override is disabled and WHM will automatically control the
Isolation Valve.
• Open – Valve Override is enabled and the Isolation Valve is Opened.
Note! The valve will remain opened as long as the Valve Override feature is
set to Open. Care must be taken to insure that this mode is turned Off during
normal WHM operation.
• Closed – Valve
27 Valve Feedback Enable or disable the Valve feedback feature
28 Valve Fdbk timer
The time allotted the Valve to Open or Close once a command has been
issued before invoking a fault.
29 ValveFdbk Status
Displays a Valve status of the unit:
0= valve closed
1= valve open
2= valve stuck closed
3= valve stuck open