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5.3 | Removing the Exchanger | 26 | |
5.4 | After All Repairs or Maintenance | 26 | |
5.5 | Sequence of Operation | 27 | |
5.5.1 | Standard Modulating | 27 | |
5.5.2 | IRI Modulating | 28 | |
5.6 | Troubleshooting | 29 | |
6.0 PARTS/TECHNICAL SUPPORT | 31 | ||
6.1 | Schematic Diagrams | 31 | |
Standard Unit - Local Control - Logic Diagram32 | |||
Standard Unit - Remote Control - Logic |
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| Diagram | 33 | |
Standard Unit - Local & Remote Control - |
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| Logic Diagram | 34 | |
Standard Unit - Local & Remote Control w |
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| Options - Logic Diagram | 35 |
!WARNING
Improper use may result in fire or injury.
Read instructions/safety manual before installing, operating or servicing boiler.
c 1998 HCS, Inc. | Reorder No. |
IRI Unit - Local Control - Logic Diagram | 36 | |
IRI Unit - Remote Control - Logic Diagram ... | 37 | |
IRI Unit - Local & Remote Control - Logic |
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Diagram | 38 | |
IRI Unit - Local & Remote Control w Options - | ||
Logic Diagram | 39 | |
Standard Unit – Panel Layout | 40 | |
IRI Unit – Panel Layout | 41 | |
6.2 Boiler Parts List | 42 | |
6.2.1 Main Assembly | 42 | |
6.2.2 | Control Panel | 43 |
6.2.3 | Gas Trains | 45 |
6.2.4 | Cabinet | 49 |
7.0 LIMITED WARRANTY | 50 |
WARNING!
It is essential to read, understand, and follow the recommendations of this manual before installing, operating, or servicing this equipment. Failure to do so could result in fire or explosion and serious in- jury, death, and/or property damage.
The same features which permit this boiler to achieve
Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance.
WARNING!
Installation and service must be performed by a qualified installer, service agency, or gas supplier.
What to do if you smell gas:
•Do not try to light any appliance.
•Do not touch any electrical switch.
•Do not use any phone in your building. Imme- diately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
•If you cannot reach your gas supplier call the fire department.