AERCO AM Series Boiler User Manual - Manual (Page 92)

AM Series Boilers and Water Heaters
CHAPTER 4 – UNIT START-UP
Page 92 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14
Ph.: 800-526-0288
GF-146
4.4 Boiler Startup Procedure
This section applies only to AM Series boilers. Refer to the next section for starting an AM
Series water heater. To start the boiler, do the following:
Boiler Startup Procedure
1. Open the manual gas shut off valve (Figure 3-37),
2. Turn the unit power switch to ON (item “T” in Figure 4-1).
NOTE
The thermostat is adjusted to its lowest temperature position when
shipped from the factory.
3.
The boiler will fire only when there is a call for heat and the heating temperature setting is
higher than the actual supply temperature. Hold buttons
or to select the desired
heating temperature. If the external temperature sensor is connected (See Section 3.14.5),
check that the calculated temperature (See user Menu, Section 5.3, parameter 1012 or
parameter 1107) is higher than the actual boiler temperature and that the outdoor
temperature (See user Menu, Section 5.3, parameter 1004) is lower than “warm weather
shut down temperature”, (See Section 5.4, parameter 2020 in Installer Menu).
4. If the boiler is connected to an indirect water heater (See Section 3.11.12), press buttons
and to select the desired domestic hot water temperature.
4.5 Water Heater Startup Procedure
This section applies only to AM Series water heaters. Refer to the previous section for starting
an AM Series boiler. To start the water heater, do the following:
Water Heater Startup Procedure
1. Open the manual gas shut off valve (Figure 3-40),
2. Turn the unit power switch to ON (item “T” in Figure 4-1).
NOTE
The thermostat is adjusted to its lowest temperature position when
shipped from the factory.
3. The unit will fire only when the domestic hot water setting is higher than the storage tank
temperature (parameter 1002). Press buttons or to select the desired
storage tank temperature.
4. If the display gives a Low water flow error (see Section 5.7), repeat the air purging
operations.