MACH® Series
Gas-Fired Boiler
Operation
Page 27
4.0 OPERATION
4.1
G
ENERAL
4.1.1 Control Panel Front
Control Panel
Become familiar with the basic operation of the boiler.
The front of the control panel shows Operating
Instructions.
4.1.2 Tests
Safe lighting and other performance criteria were met
with the gas manifold and control assembly provided
on this boiler when the boiler underwent tests
specified in ANSI Z21.13/CSA 4.9, latest edition.
(See "Factory Firetest" label.)
4.2
N
ORMAL
L
IGHTING AND
S
HUT
-D
OWN
P
ROCEDURES
If a fault is indicated please refer to
Troubleshooting, Section 5.5,
to determine the
cause of the fault prior to start up.
WARNING!
Do not use this boiler if any part has been under
water. Immediately call a qualified service
technician to inspect the boiler and to replace any
part of the control system and any gas control
which has been under water.
4.2.1 Lighting Procedures
1. Close main gas valve.
2. Turn On-Off switch to "OFF" position.
3. Wait 5 minutes.
4. Open main gas valve.
5. Turn On-Off switch to "ON" position.
6. Push reset button on display panel if required.
The controller will now complete the automatic firing
sequence.
4.2.2 Normal Shut Down Procedures
1. Close all manual gas valves.
2. Turn off electric power.
4.2.3 Emergency Shut-Off
The main gas cock (at the top-front of the boiler)
should be closed immediately if an emergency
situation occurs.
WARNING!
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.
Emergency
Shut-Off
