User Guide

10
Appliance Control Display
Setting the Appliance Parameters
1. Press the “”button at the display panel for
approximately 2 to 3 seconds until main display
begins to flash.
2. Press the “”button repeatedly to scroll
through the list of parameters. The operating dis-
play will show the parameter number and main
display will show the parameter setting.
3. To modify a parameter press the or buttons.
4. Press the “”button to scroll to the next param-
eter to be changed.
5. After all parameters have been changed, press
the button to close the setting menu and store
the changes. The main display will go blank and
a P will be displayed in the operating display to
let you know the control was programmed.
If the reset button is not pressed within 30
seconds, the settings menu is automatically
closed and the changes are stored.
If the ON/OFF button is pressed prior to
the resets button, the settings menu is
closed and the changes are NOT
stored.
NOTICE
Adjustments
Description
Parameters
(Flashing)
Factory Settings
LED
(Flashing)
Installation type
0
186ºF [86Cº]
120ºF [49Cº]
0=Combi (Heat and DHW)
2=DHW only (no heating system required)
3=Heating only
CH pump continuous
0
0=Intermittent pump on for heat and post purge
1=Pump continously active except during DHW call or
if outside temperature is above parameter 7 with the
outdoor sensor installed - Warm Weather Shut Down.
1=Heating + SMART I.F.W.H.
Min. supply temperature of the heat curve
86ºF [30Cº]
Adjustment range 60°F to 140°F [16ºC to 60ºC]
Min. outside temperature of the heat curve
0ºF [-18Cº]
Adjustment range -22°F to 50°F [-30ºC to 10ºC]
Max. outside temperature of the heat curve
64 ºF [18Cº]
Adjustment range 60°F to 78°F [16ºC to 26ºC]
CH pump post purge period
1
Adjustment range 0 to 15 minutes
Waiting time after a DHW demand before a
CH demand is answered
0
Adjustment range 0 to 15 minutes
Anti-cycling period during CH operation
The anti-cycling time starts when burner shuts down during a CH call due to boiler water reaching the boiler set point temperature plus a 6ºF [3ºC]
differential. The CH circulator will continue to operate while the burner is blocked.
0
Minimal switch-off time in CH operation
Adjustable from 0 to 15 minutes
1
2
5
6
7
8
o
P
Main Display
Operating
Display
Boiler set point temperature
DHW (domestic) setpoint temperature
Adjustment range 86ºF to 194ºF [30ºC to 90ºC]
Adjustment range 104ºF to 149ºF [40ºC to 65ºC]
The waiting time starts at the end of the DHW call (no DHW flow - DHW flow switch contacts are open) and blocks the burner and CH circulator. if
DHW function is turned ON ( LED is lit above the DHW button) or ECO is ON ( LED is lit above DHW button) than the burner will continue
to fire for DHW until a minimum heat exchanger temperature is achieved. Burner and CH circulator will continue to be blocked until the remaining
waiting time ends. This feature only applies if parameter 1 is set to 0.
1
1
2
2