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The Full List of Installer Mode Parameters
Index
Parameter
Description
1: EH
History entry
History fault code (E0~E9)
2: cE
Clear Error History
Clearing of error History buffer
3: In
System initialize
System initialize to default
4: Fu
Flow unit
gallon / liter
5: St
Heat storage function
Heat storage function On/Off
6: OH
Maximum Outdoor
Temperature
Range: (Minimum Outdoor Tempe 9°F) to 110°F Default 68°F (20°C)
7: OL
Minimum Outdoor
Temperature
Range: -4°F to (Maximum Outdoor Temperature - 9°F)
8: FH
Max fan
Adjusts Maximum Fan Speed
Range: -30 - +30
9: FL
Min fan
Adjusts Minimum Fan Speed
Range: -30 -+30
10: dr
Delete running time
Delete running time
11: dI
Delete igniting times
Delete igniting times
12: bt
Outside Unit Function
Delay Time (boost time)
When heating in the outside unit function for the first time, there will be a delay.
(0~120 min, Default 0)
13: Ft
Delay time for heating
burner operation
Burner does not operate during the delay time when the burner is turned off due to the
temperature during heating operation. (0~20 min, Default 1 min)
14: bo
Setting temperature of
burner ON.
Heating temperature setting during heating operation –
Operate in burner ON temperature setting Range:
-12.7°C(9°F)~-2.7°C(27°F), Default 2.7°C(27°F)
15: OF
Warm Weather Shutdown This warm weather temperature setting will shut down CH Mode 10°C(50°F)~43°C(110°F),
Default 38°C (100°F)
16:cH
Setting for Heating
Maximum Temperature
Range: 9°F less than Minimum Temperature to 180°F, Default 180F
12.7°C less than Minimum Temperature to 82°C, Default 82°C
17:cL
Setting for Heating
Minimum Temperature
Range: 86°F to (9 degrees °F less than Maximum Temperature, Default 86°F
30°C to (12.7degrees °C less than Maximum Temperature, Default 30°C
18:dH
Setting for Hot Water
Maximum Temperature
49°C(120°F)~60°C(140°F), Default 60°C(140°F)
19:cb
Heating Combustion Rate 50%~100%, Default 100%
20:db
Hot Water Combustion Rate 50%~100%, Default 100%
21:PP
Pump Post-Purge Time
(Heating Pump) 1min ~ 60min, Default 40min
22:Po
Pump on Time
(Heating Pump Repeat ON Time) 1 min ~60 min, Default 5 min
23:PF
Pump off Time
(Heating Pump Repeat Off Time) 0min ~60 min, Default 10 min
24:SF
Heat storage off
Temperature
60°C(140°F)~75°C(167°F),Default(70°C)158°F
25:So
Heat storage on
Temperature.
(off Temperature-Setting Temperature) -12.7°C(9°F)~2.2°C(36°F),
Default (-2.7°C) 27°F
26:dt
Delay time when switching
from DHW mode to CH
mode
Range: 0 – 2 minutes,Default 2min
27:PE
Internal CH Pump Post-
Purge Time,
T/T Satisfied
Allows the user to set the appliance pump post purge time once the appliance CH setpoint and thermostat are
satisfied. Range: 1-5 minutes,Default 1min
28: HA
High Altitude setting
(Normal)0<1<2<4 (High)
29: AP
Internal CH Pump and
3-way valve Pump Test
Mode
This function sets the time to run both the Internal CH and 3-way valve pumps to purge air from the system.
Range: 1 – 30 minutes ,Default 5min
Internal CH Pump and
3-way valve Pump Test
Mode
Turn this function on to activate Internal CH and 3-way valve pump testing.
Only works in installation mode. Turns off when in normal mode.
Default OFF
30: dP
DHW Timeout Feature
Range: 0~12 time, '0' OFF, Default: 4 time
