Controls And Emergency Functions; Initial Boiler Ignition; Preliminary Checks - Watts AERCO EXT Installation, Operation & Maintenance Manual

Modulex EXT Commercial Series
CHAPTER 4: Installation Instructions

4.38 Controls And Emergency Functions

Figure 4-24: MODULEX EXT Panel Controls and Indicators
No.
G MGNT
F LTGL
I TLG
A BCM
E UFLY

4.39 Initial Boiler Ignition

4.39.1 Preliminary Checks

C A U T I O N !
To ensure the continued safe operation of the boiler it is highly recommended that it is checked
at regular intervals and serviced when necessary, and that only original spare parts are used.
Regular attention will prolong the life of the boiler.
Before igniting the boiler, check that:
•
The boiler installation has been carried out in accordance with the specific standards as
instructed in this manual.
•
The combustion air inlet and the discharge of combustion exhaust occur in the correct manner
in accordance to the specific standards in force.
•
The gas supply system is correctly configured for the boiler's output.
•
The boiler's electrical supply is 120 V - 60 Hz.
•
The system has been filled with water (pressure registered on the gauge 0.8/1 bar with pump
not running).
OMM-0160_A • DRAFT
Description
Circuit Breaker
TLG triggering lamp
Manual reset main Limit Thermostat: when enabled, it cuts the
power supply to the boiler and lights the warning ORANGE lamp (F)
and description of the fault is displayed on User interface (E).
To reset remove the cap and push reset button, then press the
RESET button on the BCM.
Boiler controller (see instruction manual BCM boiler control
manager, supplied with the boiler).
User interface (see instruction manual supplied with the boiler).
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