Wiring; General Instructions; Typical Wiring Diagrams - PENSOTTI DK2-3 User Manual

WIRING

All external wiring must be performed in compliance with existing electrical codes within the
local jurisdiction. In the United States this is generally the NATIONAL ELECTRICAL CODE,
NFPA70. In Canada the C,S,A, STANDARD C22-1 and the Canadian Electrical Code.
Connections should be carried out in accordance with this manual and only by qualified
individuals.
- The boiler and burner should only be operated on 120 Vac.
- Field connections should be properly sized and protected with a minimum 15 amp fusetron or
circuit breaker.
- A separate fused disconnect must be installed as required by code so that power can be shut
off for servicing.
- The boiler must be ground to the water piping or the main service ground.
- Room thermostats should be installed or relocated away from cold drafts, air currents, lamps,
televisions, or sunlight. Set the heat anticipator on the thermostat to match the operating
control. Connect the thermostat leads to the circulation pump operating control or aquastat as
applicable.
- All electrical devices shall have cover plates, enclosures and guards that must be
For boilers with RIELLO burners, the connections must be made in a manner to insure that there
is no crossing of the neutral with the phase, a proper ground is provided, and all three wires are
connected to the operating control.
9
WARNING
A proper burner harness must be used to avoid energizing of the burner with
the mounting plate open. Otherwise severe burns to personnel may develop.
9-1-2009