Use and Care Manual

52
Primary Show Secondary Show
Description
Parameter Index Step 1 Step 2 Step 3 Default
9:PH Pre-Heating
oFF - - O
This function is used to preheat the internal DHW plate
heat exchanger during selected times set.
•After turning on this function the timer will need to be
set.
•When Pre Heating function is activated the will be
displayed on the control panel.
on - - -
10:EP
External
Pump
oFF - - O
This setting can activate or deactivate the terminals in the
Combi Boiler for an External Pump (secondary pump) on
the circuit board.
•When the External Pump is activated the will display
on the control panel.
on - - -
11:WP
Water
Pressure
12~26 PSI - - -
This function is to control the water pressure on the
heating side of the Combi Boiler. This will ensure there
is enough water inside the Combi Boiler to operate cor-
rectly.
•The Auto Feeder will ll the system within 10 minutes.
When the pressure of the system is over 2 PSI of Water
Pressure Setting the Auto Feeder will close and water will
stop lling the Combi Boiler.
•Water Relling Pressure: Set Valve - 4 PSI (0.002 BAR)
•Water Relling Stop Pressure: Set Valve + 2 PSI (0.001
BAR)
12:IV Interval 0~20 min - - 3 min
This function is to set up the Interval Time in Heating
Mode to prevent inconsistency of heating
•If the selected time passes and the Combi Boiler’s inside
temperature drops, this function will automatically reignite
the burner in the Combi Boiler.
13:Or
Pump
Overrun
Time
HEAt 0~60 min - 20 min
This mode is to control how long the pump will run after
the heating or DHW demand is satised.
•This setting is to prevent unnecessary running of the
pump and extend the life of the pump.
•HEAt is used for the time after the heating system stops
burning.
•Do.H is used for the time after the DHW system stops
burning.
Do.H 1~20 min - 3 min
14:bt
Burner Set
Temp
A.oFF
0~30°F
(0~16.5°C)
-
10°F
(5.5°C)
This mode is to set the activation points for the Heating
Mode.
•When the internal temperature of the Combi Boiler is too
high or low the unit will stop burning or start burning.
•Burner Stop Temperature = Heating Set Temperature +
A.oFF
•Burner Operating Temperature = Heating Set Tempera-
ture - b.on
b.on
1~30°F
(0.5~16.5°C)
-
30°F
(16.5°C)
15:CK Check Parts
A.PP
on
oFF
This function can check the status of the part.
•A.PP : Pump operation mode.(On 60 seconds, Stop 10
seconds repeat)
•b.Fan : Fan operation mode.(0 ~ 100%)
•C.Ag : AGM zero point check mode.
•d.3-Y : 3 way valve operation mode.(Heating side 10
seconds, DHW side 10 seconds repeat)
•E.FC : Flow rate control valve zero point check mode.
oFF
b.Fan 0~100 0
C.Ag
on
oFF
oFF
d.3-Y
on
oFF
oFF
E.FC
on
oFF
oFF
16:CL Clear
EHIS
no
no
This function can delete memory.
•EHIS : Delete error history
•SyS : System Initialization
YES
SyS
no
no
YES
17:FS
Fan
Compensation
A.FH2 -30~30 Factory use only This function can compensate fan and AGM.
•A.FH2 : Maximum fan RPM compensation when heating
mode.
•b.FH1 : Maximum fan RPM compensation when DHW
mode.
•C.FL : Minimum fan RPM compensation
•d.Ag : AGM compensation
b.FH1 -30~30 Factory use only
C.FL -30~30 Factory use only
d.Ag -50~50 Factory use only
18:CP
Combustion
rate
HEAt 50~100 100
This function can adjust combustion rate.
•HEAt : Adjust combustion rate when heating mode
•do.H : Adjust combustion rate when DHW mode
do.H 50~100 100
Table 21 – Installer Mode Descriptions