Service manual

62
11 Operating information
Installation & Service Manual
Access modes
User
Press the ENTER button for 5 seconds.
Installer
Most parameters are available only to the installer, accessible
by entering the installer key combination: Press the ENTER
and DOWN buttons simultaneously for 5 seconds.
Saving parameters (reference the Parameter Table
on page 61 of this manual)
To save parameters and exit programming:
Press the ENTER button to go to the end of the Parameter
List, then press ENTER again. Otherwise, the parameters
will be saved automatically after Timeout.
To enter a parameter and continue programming:
Press the UP or DOWN button to change parameters. Press
ENTER to move to the next parameter and to the end of
the Parameter List. Press ENTER to save and return to
the Base Screen. Otherwise, the parameters will be saved
automatically after Timeout.
E00 Invalid Lockout
E01 Memory Lockout
E02 Fan Speed Fault
E04 Flow Switch Fault
E05 Flame Out of Sequence
E06 Auto Reset Hi Limit
E07 Air Pressure Switch
E08 Heat Exchanger Limit
E09 Auxiliary Limit
E11 No Flame Running
E12 No Flame Ignition
E13 Flue Temperature Limit
E15 Manual Reset Hi Limit
E18 Outlet Sensor Differential
E19 Flue Sensor Open/Short
E21 Outlet Sensor Open/Short
E22 Inlet Sensor Open
E23 Inlet Sensor Short
b01 Setpoint Met
b02 Anticycling
b03 Outlet Temperature Too High
b04 Delta T Too High
b05 Flue Temperature Too High
b06 Low Voltage
n01 Fan Limited due to No Flue Sensor Change
n02 Fan Limited due to High Outlet Temperature
n03 Fan Limited due to High Delta T
n04 Fan Limited due to High Flue Temperature
n05 Fan Increased due to Low Flame Current
n06 DHW Sensor Fault (Combi Only)
n07 Inlet Sensor Open
n08 Inlet Sensor Shorted
n09 Outdoor Sensor Required
Error Codes with Explanation
Lockout Codes
Blocking Codes
Notification Codes (Unit is still Running)
Table 11-2 Lockout, Blocking and Notification Codes
Table 11-3 Outdoor Air Table
25°F (FIXED)
OUTDOOR AIR
AT MAXIMUM RESET
70°F (FIXED)
OUTDOOR AIR
AT MINIMUM RESET
P02
MINIMUM RESET
(DEFAULT = 70°F)
P01
MAXIMUM RESET
(DEFAULT = 180°F)
u02
USER SET POINT
(DEFAULT = 120°F)
WATER
TEMPERATURE
SET POINT
OUTDOOR AIR
TEMPERATURE
IMG00349