Bryan Boilers EB Series manual Steam Boilers Forced Draft - Gas, Oil, Gas/Oil, Form, Rev 07/01/06

EB Series

Steam Boilers

Forced Draft - Gas, Oil, Gas/Oil

BOILER TRIM AND CONTROL EQUIPMENT

The following trim and controls shall be furnished:

1.Steam pressure gauge

2.Steam pressure control operator

3.High limit safety control

4.Water gauge glass

5.Low water cutoff and feed pump control

6.Auxiliary low water cutoff – probe type M/R

7.Gauge cocks (150 PSIG units only)

8.ASME safety relief valve(s)

GAS BURNER AND CONTROL EQUIPMENT

Boiler shall be furnished with a UL listed forced draft flame retention gas burner. Burner shall be complete with integral motor and blower for supplying sufficient combustion air with normal vent conditions.

The following controls shall be furnished:

1.Main manual gas shutoff valves

2.Motorized gas valve operator and auxiliary safety shutoff gas valve (EB75 & EB100)

3.Motorized gas valve with proof of closure operator and auxiliary safety shutoff gas valve (EB125 to EB240)

4.High and low gas pressure switches

5.Gas pilot shutoff and solenoid valves

6.Gas pilot ignition assembly with ignition transformer

7.Pilot and main gas pressure regulators

8.Modulating burner (EB125 to EB240)

9.Adjustable cam gas metering valve (EB125 to EB240)

10.Burner mounted control panel containing:

-Two indicator lights – power and fuel (EB75 & EB100)

-Four indicator lights – call for heat, ignition, fuel and flame failure (EB125 to EB240)

-Air safety switch

-Fused on/off switch

-Firing rate potentiometer with manual / auto switch (EB125 to EB240)

-Motor starter(s) – where applicable

-Honeywell electronic combustion safety control

OIL BURNER AND CONTROL EQUIPMENT

Boiler shall be furnished with a UL listed forced draft, pressure atomizing type oil burner, suitable for operation with No. 2 fuel oil. Burner shall be complete with integral motor and blower for supplying sufficient combustion air with normal vent conditions.

The following controls shall be furnished:

1.Oil valves – primary and auxiliary

2.Two-stage fuel unit burner mounted (EB75 & EB100)

3.Remote mounted oil pump (EB125 to EB240)

4.Direct spark oil ignition assembly (EB75 & EB100)

-Ignition transformer

-Oil ignition and nozzle assembly

5.Gas pilot oil ignition assembly (EB125 to EB240)

-Gas pilot shutoff valve, solenoid valve and gas pilot pressure regulator

-Gas pilot ignition assembly with ignition transformer

-Oil nozzle assembly

6.Modulating burner (EB125 to EB240)

7.Adjustable cam oil metering valve (EB125 to EB240)

8.Burner mounted control panel containing:

-Two indicator lights – power and fuel (EB75 & EB100)

-Four indicator lights – call for heat, ignition, fuel and flame failure (EB125 to EB240)

-Air safety switch (EB125 to EB240)

-Fused on / off switch

-Firing rate potentiometer with manual / auto switch (EB125 to EB240)

-Motor starter(s) – where applicable

-Honeywell electronic combustion safety control

DUAL FUEL GAS/OIL BURNER AND CONTROL

EQUIPMENT

Boiler shall be furnished with a UL listed forced draft, pressure atomizing, dual fuel burner, suitable for operation with No. 2 fuel oil and natural gas (or other gas). Burner shall be complete with integral motor and blower for supplying sufficient combustion air with normal vent conditions.

The following controls shall be furnished:

1.Same equipment as gas burner

2.Same equipment as oil burner

3.Gas pilot ignition assembly for both gas & oil ignitions

4.Manual fuel selection switch

OPTIONAL BOILER TRIM & CONTROLS

1.Manual reset type high limit

2.Manual reset type low water cutoff

3.Auxiliary low water cutoff(s)

4.Low water cutoff feeder (in addition to, or in place of standard low water cutoff)

5.UL, IRI, CSD-1, FM or other insurance requirements

6.Barometric damper

7.Indirect water heating coils for domestic, pool or process hot water

8.Manual blowdown valves (surface or bottom)

9.Automatic boiler blowdown valves (surface or bottom)

10.Boiler feed systems

11.Boiler deaerator units

12.Other controls and boiler trim, as specified

OPTIONAL BURNER CONTROLS AND ACCESSORIES

1.Two-stage high-low burner with proven LFS (EB75 & EB100)

2.Modulating burner (EB75 & EB100)

3.Auxiliary motorized safety shutoff gas valve

4.Alarm bell(s) or horn(s)

5.Fireye combustion safety control

6.UL, IRI, CSD-1, FM or other insurance requirements

7.Indicator lights – as specified

8.Direct spark ignition of oil (dual fuel burners)

9.Boiler skid mounted burner control panel

10.Boiler skid mounted burner oil pump set (EB75 & EB100)

11.Adjustable cam gas or oil metering valve(s) (EB75 & EB100)

12.Lead lag systems for two or more boilers

13.Other controls, as specified

Form 2127 Rev 07/01/06 Repl 11/01/04 Page 2 of 2