Thermon HELLFIRE 400, Installation, Operation & Maintenance Instructions Manual

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B. IDENTIFICATION
B.1 Heater Labels
1. Each heater has a ratings label, a logo label, a model
and serial number tag and a voltage label.
2. The ratings label contains all identification and safety
information. It is fastened by a lanyard and stored in
the manual pocket inside the control enclosure next
to the gas manifold. The electrical specifications are
indicated with a punch mark.
3. The logo, located on the side of the air intake hood
identifies the series as HELLFIRE, and the size, either
400 or 900.
4. The model / serial number tag is a blue aluminum
plate. The model number is applied to an adhesive
backed label bonded to the tag, and the serial
number is engraved. The serial number is a sequential
6-digit number. The tag is located in one of two spots
depending on the configuration.
B.2 Model and Serial Number Tag
1. There are two basic configurations, stand-alone and
bungalow enclosed.
2. The tag is located on the front of stand-alone
configurations and to the left of the door handle on
bungalow enclosed configurations.
3. Stand-alone configurations are identified on the
tag as model “HF 400” followed by a 5-digit number,
an optional 2-digit dash number and a revision
letter. For example, HF400 12345-01A (HF 400 BUNG
XXXXX-XXX - for bungalow enclosed heaters).
4. The operating voltage label is found on the electrical
access panel. Have this information available when
requesting parts or service.
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