Variation Of Input Range For High Altitude - Lattner Boiler Company Alkon 90 Installation And Servicing Manual

Instructions for the installer
SETTING OF THE MINIMUM HEATING TEMPERATURE
Continue to change to the parameters by pressing the – key
(decrease).
The successive parameter which can be changed is: SETTING
OF THE MINIMUM HEATING TEMPERATURE (HL).
VIOLET
YELLOW
Repeat the operations A-B-C for setting the desired value
from 68 to 140 °F (20 to 60°C)
Standard setting: 95° F (35°C)
SETTING OF THE MAXIMUM HEATING TEMPERATU-
RE
Continue to change to the parameters by pressing the – key
(decrease).
The successive parameter which can be changed is: SETTING
OF THE MAXIMUM HEATING TEMPERATURE (HH
VIOLET
YELLOW
Repeat the operations A-B-C for setting the desired value
from 149 to 185 °F (65 to 85°C)
Standard setting: 176° F (80°C)
40
3.28 - VARIATION OF INPUT RANGE FOR
HIGH ALTITUDE
It is necessary adjust nominal heat input by reducing
the fan speed.
Modify the parameter FH from the boiler panel board:
See factory parameter (supplied separately and modifia-
LIGHT
ble only with access code).
BLUE
VIOLET
BLUE
YELLOW
VIOLET
YELLOW
VIOLET
LIGHT
BLUE
YELLOW
Reach the FH parameter by pressing key - several time
BLUE
VIOLET
YELLOW
(Operation A)
By pressing the YELLOW key again, the standard parameter
setting is displayed.
VIOLET
YELLOW
(Operation B)
By pressing the keys + (increase) or – (decrease) a number
of times the parameter can be changed.
(Operation C)
After setting the desired value pressing the YELLOW key stores
this new value in the memory.
Choose
Insert
Code
See value of parameter FH at table
INJECTOR - PRESSURES page 38.
LIGHT
BLUE
BLUE
LIGHT
BLUE
BLUE
LIGHT
BLUE
BLUE
LIGHT
BLUE
BLUE
LIGHT
BLUE
BLUE