EB Series
Steam Boilers
Forced Draft - Gas, Oil, Gas/Oil
Form 2127
Rev 07/01/06
Repl 11/01/04
Page 2 of 2
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
