Thermon HELLFIRE 400, Installation, Operation & Maintenance Instructions Manual

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B.3 Components Diagram
The following component names are referred to in this manual. See Section L - Parts for part numbers and ordering.
B.4 Control Panel Diagram - 240V Single Phase Example Shown
1 Direct Spark Ignition control module
2 Controller
3 Programming key
4 EMS module
5 Control circuit breaker
6 Motor circuit breaker
7 120V receptacle
8 Contactor
9 Control transformer
10 Power terminal block
11 Circuit interrupters
12 Hour meter
13 Control and indication terminal block
14 Manifold terminal block
15 Resetable fuse, burner defroster
16 Rail thermostat receptacle
17 Precipitation detector receptacle
No. Label
1 Track duct
2 Track duct elbow
3 Rail mounting spring clip and
pad
4 Ballast retainer
5 Thermostat box
6 Precipitation detector
7 Burner
8 Identification tag
9 Condensation vent
10 Mode selector switch
No. Label
11 Gas manifold
12 Control cabinet lid
13 Air intake hood
14 Ambient air temperature sensor
15 Air intake extension
16 Electrical control access panel
17 Leveling leg
18 Control panel
19 Motor/Impeller/Base
20 Combustion chamber access
panel
No. Label
21 Transition duct
22 Sensor duct
23 Square to round adapter
24 Flex duct
25 Track duct deflector
26 Tie duct
27 Rail thermostat
28 Point nozzle
29 Track duct mounting bracket