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INSTALLATION PROCEDURE

WIRING BASE

Install the wiring base where the relative humidity never reaches the saturation point. The

Burner-Logix system is designed to operate in a maximum 90% relative humidity

continuous, non-condensing environment. Do not install the BurnerLogix system where it

can be subjected to vibration in excess of 0.5G continuous maximum vibration. The

BurnerLogix system does not use a weather tight enclosure. The standard vertical position

is recommended. Allow at least one inch clearance around the control for service and

installation.

1. Wiring must comply with all applicable codes, ordinances, and regulations.

2. Wiring must comply with NEC Class 1 (Line Voltage) wiring. (EU or Local Codes)

3. Torque rating on terminal block screws is 4.4 in/lbs. to 5.3 in/lbs.

4. Limits and interlocks must be rated to simultaneously carry and break current to the

ignition transformer, pilot valve and main fuel valve(s).

5. Recommended wire routing of lead wires:

a. Do not run high voltage ignition transformer wires in the same conduit with any

other wires.

b. Do not route flame detector lead wires in conduit with line or high voltage

circuits. Use separate conduit where necessary.

6. Maximum wire lengths:

a. The maximum lead wire length is 200 ft. (61 meters) to terminal inputs

(Operating limits, interlocks, valves, etc.).

b. Flame Detector lead wires: see section on flame scanners.

c. Remote reset: The maximum length of wire is 500 feet (152 meters) to a normally

open remote reset push-button, which must remain within sight and sound of the

burner.

d. Modbus communications: The maximum cable length of wire is 3300 feet (1000

meters) for RS-485.

A good ground system must be provided to minimize the effects of AC quality problems. A

properly designed ground system meeting all the safety requirements ensures that any AC

voltage quality problems, such as spikes, surges and impulses have a low impedance path to

ground. A low impedance path to ground ensures that large currents with any surge voltages

follow the desired path to earth ground.

BEFORE INSTALLING THE BURNERLOGIX CONTROL

WARNING: Controls require safety limits using isolated mechanical contacts.

Electronic limit switches can cause erratic operation and must be avoided.

CAUTION: Ensure that electric power is turned off. Refer to SN-100 for recommended

grounding techniques.

Power to some interlocks (operating controls, air flow switches, modulating circuits,

etc.) can be derived from sources other than what is controlling the BurnerLogix.

Fireye BurnerLogiX YB110 User Manual

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