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Installing Duct/Air Conditioning
Boilers intended to be connected to an existing boiler or boiler system shall:
1. Be capable of being installed without interfering with the normal delivery of heated water from the original boiler to the radiation
system.
2. Be capable of being installed to operate as intended without affecting the operation of the electrical and mechanical safety controls
of the original boiler.
3. Provide, upon completion of the installation, for a change over from one fuel to the other without requiring the manual adjustment
of any controls or components other than the thermostats.
4. Be compatible with the operation of a service water-heating coil within the original boiler without bypassing the operation of the
solid-fuel boiler.
5. Have provision for preventing, or adequate water capacity within the boiler to prevent, damage to the boiler from loss of circulation
due to electrical power failure.
6. Be capable of being installed without changing the function of the control or rewiring of the original boiler. A wiring interconnec-
tion is permitted. The electrical system of both boilers shall be powered from a single branch circuit without exception.
(CAN/CSA-B366.1-M91)
7. Pertaining to CAN/CSA- B365-01, Have a clearly labelled device, located at each entrance to the boiler area, which can be thrown
to discontinue operation of the feed system.
All of the pressurized system com-
ponents shown are not necessary. Air vents or bleeders will need to be removed from the plumbing
system to prevent air from entering the lines. Control Dipswitch #6 will need to be turned “ON”.