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Thermific
®
Gas-Fired Boiler
Table of Contents
5.2 Cleaning the Burner.................................22
5.2.1 Semi-Annual Cleaning ....................22
5.2.2 Annual Cleaning .............................22
5.3 Removing the Exchanger ........................23
5.4 After All Repairs or Maintenance .............23
5.5 Sequence Of Operation ...........................23
5.6 Troubleshooting .......................................24
6.0 PARTS/TECHNICAL SUPPORT ....... 26
6.1 Wiring Diagrams ......................................27
6.1.1 On-Off .............................................28
6.1.1a On-Off IRI .....................................30
6.1.2 Lo-Hi-Lo ..........................................32
6.1.2a Lo-Hi-Lo IRI .................................. 34
6.1.3 Water Cut-Off.................................. 36
6.2 Boiler Parts List ....................................... 38
6.2.1 Main Assembly ............................... 38
6.2.2 Control Panel.................................. 39
6.2.3 Gas Train........................................ 40
6.2.4 Cabinet ........................................... 41
7.0 LIMITED WARRANTY ....................... 42
7.1 Express Warranty .................................... 42
7.2 Warranty Disclaimer ................................ 42
Reorder No. 6020-V2WHPK
Improper use may
result in fire or injury.
Read instructions/safety
manual before installing,
operating or servicing boiler.
c
!
WARNING
1998 HCS, Inc. 800-748-0241
WARNING!
It is
essential
to read, understand, and follow the rec-
ommendations of this manual before installing, operat-
ing, or servicing this equipment. Failure to do so could
result in fire or explosion and serious injury, death,
and/or property damage.
The same features which permit this boiler to achieve
high-efficiency performance make it unlike most other
boilers of this general size, so it is important to under-
stand how this boiler operates.
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 quali-
fied 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. Immedi-
ately 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.
Summary of Contents for Thermific
Page 2: ......
Page 32: ...Thermific Gas Fired Boiler Parts Technical Support Page 28 6 1 1 On Off On Off Wiring Diagram...
Page 33: ...Thermific Gas Fired Boiler Parts Technical Support Page 29 On Off Logic Diagram...
Page 35: ...Thermific Gas Fired Boiler Parts Technical Support Page 31 On Off IRI Logic Diagram...
Page 37: ...Thermific Gas Fired Boiler Parts Technical Support Page 33 Lo Hi Lo Logic Diagram...
Page 39: ...Thermific Gas Fired Boiler Parts Technical Support Page 35 Lo Hi Lo IRI Logic Diagram...
Page 41: ...Thermific Gas Fired Boiler Parts Technical Support Page 37 Lo Hi Lo Low Water Cut Off Diagram...