HANDLING MANUAL
SERVICE MANUAL
RAYPAK HI DELTA BOILERS/WATER HEATERS
WITH FAN ASSISTED PREMIX BURNERS
20
2.4.
TEMPERATURE ADJUSTMENT
The selected outlet temperature is indicated on the circular scales
of the automatic high limit and the manual high limit.
The temperatures can be adjusted by turning the knob.
The highest allowed outlet temperature in technological and
heating systems is 105
0
C, if all necessary technical conditions are
given.
The highest allowed outlet temperature for commercial domestic
hot water applications is 80
0
C .
The highest allowed outlet temperature for direct heating of
swimming pools is less than 60
0
C .
Turn the knob of the automatic high limit to the desired value to
select the outlet temperature!
The selected temperature of the automatic high limit shall be
higher than the highest required temperature on any external
thermostat or stage controller connected to the appliance
otherwise the desired operating temperature will never be
achieved!
The selected temperature of the manual high limit shall be at
least 5
0
C higher than the highest required temperature on the
automatic high limit and any external thermostat or stage
controller connected otherwise the appliance will lock out in
locked position! Restarting the appliance is possible only by
manual intervention.
Wait until the heating substance cools
back then adjust the manual high limit to a temperature at
least 5
0
C higher to the value on the automatic high limit.
Restart the appliance by pushing the red button on the
manual high limit!