Installation Manual

44
WHL-001 REV. 12.17.14
To enter Installer Mode, press and hold for five seconds. When the ( ) screen appears, Installer Mode is active. Press at
this screen to access the Technical Service Parameters codes (P00, P01, etc.).
To change parameter value, press or once. The value will appear. Press to decrease or to increase the value.
Press at this screen to accept the changed value and return to the Technical Service Parameters.
Press to advance through the parameters. Press to return to the previous parameter.
Press at any Technical Service Parameter code screens to return to the upper level menu.
Table 11 details the Technical Service Parameters in sequential order.
CODE
SHORT DESCRIPTION
LONG DESCRIPTION
RANGE (DEFAULT)
P00
User Setpoint (
o
F)
Minimum Tank Temperature
70 – 160 (120)
P01
Temperature Differential (
o
C/
o
F)
Difference Between Actual Tank Temperature and
User Setpoint that will Initiate Demand
4 – 20 (8)
P02
Maximum Power Percentage (%)
Maximum Combustion System Power
50 – 100 (80)
P03
Temperature Unit Displayed
Fahrenheit or Celsius
0 =
o
C / 1 =
o
F (1)
P04
ECO Mode
Economy Mode
0 = Off / 1 = On (0)
P05
Outdoor Reset Curve
Turns on the Outdoor Reset Curve
NOTE: The following parameters are applicable only
if the Outdoor Reset Curve is turned on.
0 = Off / 1 = On (0)
P06
Minimum Outdoor Temperature (
o
C/
o
F)
Minimum outdoor design conditions for reset curve
10 – 70 (10)
P07
Maximum Outdoor Temperature (
o
C/
o
F)
Maximum outdoor design conditions for reset curve
10 – 70 (68)
P08
Minimum Storage Temperature (
o
C/
o
F)
Minimum tank temperature for reset curve
70 – 160 (120)
P09
Maximum Storage Temperature (
o
C/
o
F)
Maximum tank temperature for reset curve
70 – 160 (140)
P10
Warm Weather Shutdown Temperature
(
o
C/
o
F)
Outdoor temperatures greater than this value return
the tank target temperature to the User Setpoint
50 – 100 (68)
Table 11 – Technical Service Parameters - NOTE: Temperature Readings Depend on Temperature Unit Selection
Figure 24 – Outdoor Reset Curve
D. OUTDOOR RESET
This unit is supplied with outdoor reset wire connection terminals. When an outdoor sensor is connected, operation of the unit
immediately changes. Refer to the following steps to properly set up the unit with an outdoor sensor.
An ASSE 1017 thermostatic mixing valve MUST be installed when using outdoor reset. Failure to do so could result in substantial
property damage, serious injury, or death.