Operation; General; Lighting And Shut-Down Procedures - Harsco Industrial 1004905923 Installation & Owner's Manual

4 OPERATION

4.1 G
ENERAL
®
ENVI Control
part has been under water. Immediately call factory-trained personnel to inspect the boiler and replace any part
of the control system and any gas control which has been exposed to water.
4.2.1 Initial Lighting Procedures
1. Utilities: Turn on electrical supply to the boiler. The blower will purge
briefly as the system controls get power. Open the manual gas supply
valves. Make sure the system is filled with water and turn on the
circulation pump.
2. Reset Switches: Press the reset button on both the high gas and low gas
pressure switches if the gas supply had previously been turned off. Press
the control reset button after a safety lockout.
3. Turn on the power switch. The blower will purge briefly as the electronic
controls energize. If the boiler control shows a warning or lockout
annunciation, see Section 5.6 of this manual to troubleshoot the problem
and take the necessary corrective action before proceeding.
4. Set the desired high temperature limit and operating temperature.
5. The lighting and operation of this boiler is fully automatic.
4.2.2 Normal Shut Off Procedures
1. Place the on/off switch in the off position.
2. Close all manual gas valves.
3. Turn off electrical power.
4.2.3 Emergency Shut Off Procedures
The main gas cock should be closed immediately. If overheating occurs or the
gas supply fails to shut off, do not turn off or disconnect the electrical supply to
the pump. Instead, shut off the gas supply at a location external to the boiler.
Pop-Latch (2)
Instructions
On/Off Switch
®
MODU-FIRE Forced Draft Gas-Fired Boiler 2500-3000
The front of the control panel shows Operating
Instructions and the control interface for the boiler. The
boiler operating controls are accessed by turning the
pop-latches ¼ turn, and opening the front cover.
4.1.1 Normal Operation
Under normal operating circumstances, this boiler
functions as a fully automatic appliance. The automatic
control senses the water outlet temperature and fires
the boiler when heat is needed by the system.
Additionally this boiler may function as part of an
integrated building management system.
4.2 L
IGHTING AND
Gas Shutoff
32
S -D P
HUT OWN ROCEDURES
Do not use this boiler if any