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CABINET HEATER
Fig 2.2 Gas Fired Heater Control Box Sequence
2.3.3
Air Pressure Switch Contacts
The combustion air fan now turns on and the air pressure switch contacts (n.o.) have to close within the next 5
seconds to indicate the availability of sufficient combustion air or lockout will occur.
2.3.4
Purge
The sequence continues with a purge time with the burner fan only running.
2.3.5
Electric Ignition ON
The electric ignition switches ON at the end of this purge time.
2.3.6
Start Gas Valve (Main gas for models 015 to 030)
The start gas valve opens and once a flame has been established this remains on until close down. The flame probe is
now continuously monitoring for the safe presence of flame.
2.3.7
Electric Ignition OFF
Five seconds later the electric ignition turns off, leaving the start gas flame to be proved as stable.
Содержание Combat HF 30 v4
Страница 2: ......
Страница 47: ...Page 45 CABINET HEATER Section 6 Wiring Diagrams Fig 6 1 As Wired Diagram for Models 015 to 030 Floor Standing ...
Страница 48: ...Page 46 CABINET HEATER Fig 6 2 As Wired Diagram for Models 015 to 030 Horizontal Mounting ...
Страница 49: ...Page 47 CABINET HEATER Fig 6 3 As Wired Diagram for Models 040 and 050 Floor Standing ...
Страница 50: ...Page 48 CABINET HEATER Fig 6 4 As Wired Diagram for Models 040 050 Horizontal Mounting ...
Страница 51: ...Page 49 CABINET HEATER Fig 6 5 As Wired Diagram for Models 060 to 0100 Floor Standing ...
Страница 52: ...Page 50 CABINET HEATER Fig 6 6 As Wired Diagram for Models 060 to 0100 Horizontal Mounting ...
Страница 55: ...Page 55 CABINET HEATER Fig 6 12 Wiring Diagram for High Flow Models HF40 v3 HF50 v2 HF50 v3 and HF50 v4 ...