AERCO AM Series Boiler User Manual - Manual (Page 100)

AM Series Boilers and Water Heaters
CHAPTER 5 – OPERATION
Page 100 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14
Ph.: 800-526-0288
GF-146
5.1.3 Boiler Summer Mode
To disable the heating functions for a prolonged period, leaving only the domestic hot water
function, press the key until the word OFF is displayed. Then press RESET button to
save the change. Now the heating service is disabled, and is indicated by the icon
disappearing from the display.
5.1.4 Boiler Winter Mode
In Winter mode, by means of the pumps, the boiler sends the water to the system at the
temperature set using key and of Figure 5-1.
When the temperature inside the boiler reaches the temperature setpoint, the burner starts to
modulate the flame so as to reduce the output to a minimum. If the temperature rises further,
the burner shuts down. Simultaneously, the pump which sends the water to the system is
switched on and off by the room thermostat. This can be observed by indicator of Figure 5-
1 blinking or not in correspondence with the on and off cycle of the pump.
CAUTION!
Because the boiler freeze protection function depends upon the
electrical and gas supply, it is mandatory to install a safety device
that alarms the user in case the unit room reaches a temperature
near 50°F (10°C).
5.1.5 Adjusting the Domestic Hot Water Temperature - Boilers
The domestic hot water temperature is adjusted by pressing buttons and .
When the buttons are pressed, the display, item “N” in Figure 5-1, shows the domestic hot water
setpoint being selected. The range within which the domestic hot water can be set is 104°F
(40°C) to 140°F (60°C).