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Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 8 – WATER HEATER MANAGEMENT
OMM-0078_0M
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
127
of
216
GF-128
Phone: 800-526-0288
09/11/2015
8.9 WHM PROGRAMMING & START-UP
Prior to programming the required WHM Menu options into the WHM Master and Slaves, all
required hardware installation and network wiring must be completed. In addition, the required
menu entries to be entered must be determined based on the descriptions in the previous
sections.
AERCO recommends that the WHM Master be set up first. By doing so, the Master will “push”
most of the required menu entries to each WHM Slave as each unit is brought on-line. The
following steps assume that the WHM Master and Slaves will be consecutively numbered,
starting at 1 (WHM Master). Proceed as follows starting at the unit which has previously been
determined to be the WHM Master:
WHM Programming & Start-Up Procedure
1.
Access the Setup menu and scroll to the
Comm
Address option. Press the
CHANGE
key.
2.
Enter
1
for the Comm Address of the Master. Press the
ENTER
key to store the entry.
3.
Access the WHM menu and scroll to the
WHM Mode
option.
4.
Press the
CHANGE
key.
5.
Select
WHM Master
and then press the
ENTER
key to store the entry. Note that the
Outlet Temperature display on the WHM Master will begin flashing every two seconds.
6.
Select the
WHM Setpoint
option. If you want to change the current setpoint for WHM,
press the
CHANGE
key.
7.
Enter the desired
WHM Setpoint
temperature and then press
ENTER
to store the
selection.
8.
Scroll to the
WHM Nxt On
option. If you want to change the value, press the
CHANGE
key.
9.
Enter the desired value for
WHM Nxt On
and then press
ENTER
to store the selection.
10.
Scroll to the
WHM Nxt Off
option. If you want to change the value, press the
CHANGE
key.
11.
Enter the desired value for
Nxt Off
and then press
ENTER
to store the selection.
12.
Scroll to the
Lead/Lag
Hours
option. If you want to change the value, press the
CHANGE
key.
13.
Enter the desired value for the
Lead/Lag Hours
option and then press
ENTER
to store
the selection.
14.
The WHM menu contains
Setback
options, which are used to adjust the setpoint
temperature, start time and end time during periods of low DHW demand. These options
are selected in steps 15 through 18, below.
15.
To specify the setback temperature, scroll to the
Setback Setpoint
option. If you want to
change the value, press the
CHANGE
key.
16.
Enter the desired
Setback Setpoint
temperature and then press
ENTER
to store the
selection.
17.
Next, the
Setback Start
and
Setback End
time options must be specified (defaults =
12:00am for both options). To change each option scroll to
Setback Start
or
Setback
End
and press the
CHANGE
key.