Bryan Boilers RV Series User Manual download pdf (Page 3)

Guaranteed efﬁ ciency and easy

maintenance assure low cost operation

All Bryan RV Series boilers offer these operating and performance features

Guaranteed efﬁ ciency

The breakthrough in water tube boiler design that pro-

duced the RV Series provides operating efﬁ ciency so

reliable, we guarantee it to be 84% for hot water boilers

and 82% - 15 psi / 80% - 150 psi or better for steam boilers.

The Bryan Flexible Tube

Bryan’s exclusive “Flexible Tube” design

eliminates the possibility of damage

from so-called “thermal

shock.” Tubes are easily

removable and replaceable,

without welding or rolling,

eliminating long, expensive

downtime should repairs

ever be required.

Water cooled furnace

The configuration of the

water tubes provides a

water cooled combustion

chamber. A high percentage

of the heating surface is exposed to direct radiant heat,

increasing water velocities and heat transfer.

Large steam drum

The steam drum has generous water volume and steam

release area. This design, along with effective drum

internal functions, results in a stable water level and

produces extremely dry steam at all load conditions.

Accessibility of furnace and tube area

Inner panel provides easy and complete access to furnace

and boiler tube area, as well as to burner head. All panels

are heavily insulated and sealed to boiler frame. All access

is from only one side.

Compact design, minimum ﬂ oor space

With our compact water tube design, the overall size of the

unit is less than most other types of boilers, yet maintains

a full ﬁ ve square feet of heating surface area per HP.

Water Boiler

Combination thermometer and altitude

gauge, ASME Code rated boiler relief

valve, water temperature control (240°F

max std.), high limit control, probe

LWCO.

Steam Boiler

Steam pressure gauge, steam pres-

sure control, combination low water

cutoff and pump control, auxiliary low

water cutoff, high limit pressure

control, ASME-rated safety valve,

water glass set.

Straight gas ﬁ red unit

Electronic combustion safety control,

automatic operating gas valve, safety

gas valve, pilot solenoid valve, pilot

ignition assembly, main manual gas

shut-off valve, pilot cock, pilot and

main gas pressure regulators, air safety

Needing only 32" for tube removal, and on only one side

of the boiler, the RV Series boiler occupies very little space

in the boiler room. This can result in considerable savings

in building costs. Pressurized ﬁ ring permits minimum

sized breaching and vent.

Multi-pass ﬂ ue gas travel

High velocity four-pass ﬂ ue gas travel is obtained by a

unique bafﬂ ing system. This contributes to maximum ﬁ re

side heat transfer and overall high boiler efﬁ ciencies.

Thermal blend water return

Bryan’s unique “thermal blend” return blends cold or

cooler return water with warmer boiler water abridging it

to design operating temperatures. An injector tube directs

the “mixed” water ﬂ ow through the downcomer to the

lower header and heating surfaces at a temperature above

possible condensing conditions. This reduces the possi-

bility of “cold spots” and

damage from corrosive

condensation.

Positive internal

circulation

Each pass of the Bryan

water tube slopes up-

ward. This conﬁ guration,

along with the large vol-

ume down-comer water

legs, provides the extremely

rapid natural thermal inter-

nal circulation, promoting

both high efﬁ ciency of heat

transfer and uniform temperature

throughout the boiler. Eliminating stress

damage caused by unequal temperature distribution is

especially important for heating systems, particularly

where intermittent or continuous low temperature water

returns may be encountered.

OPTIONAL EQUIPMENT,

EXTRA COST

1. Manual reset high limit control

2. Manual reset low water cutoff

3. Auxiliary low water cutoff

4. Combination low water cutoff

and feeder

5. Alarm bells or horns

6. UL, CUL, CSD-1, FM, IRI or

other insurance approved

control systems

7. Indicating lights, as desired

8. Lead-lag systems for two or

more boilers with or without

outdoor reset control

9. Draft control system

10. Low NOx package

OPTIONAL CONSTRUCTION

When ordering, please specify:

1. Boiler size

2. Supply and return tempera-

tures required

3. Boiler relief valve setting

4. Type of fuel: natural, LP, or

other gas and/or No. 2 oil

5. If gas, type, BTU content,

speciﬁ c gravity and pressure

available

6. Electric power voltage, phase

and frequency

7. Optional extra equipment or

construction

8. Special approvals required

(UL, CUL, CSD-1, FM, or IRI)

9. Altitude

Steam boiler

Optional construction to ASME Power

Boiler Code requirements for pressure

exceeding 150 psi to maximum of 300

psi design pressure.

Hot water boiler

Optional construction to ASME Power

Boiler Code requirements for tempera-

tures exceeding 240° F and/or pressure

exceeding 160 psi to maximum of

285° F operating and 300° F design

temperature and 250 psi.

Bryan RV Series Boilers Standard and Optional Equipment

STANDARD EQUIPMENT FURNISHED

switch, control panel, all controls

installed and wired.

Straight oil ﬁ red unit

Electronic combustion safety control,

dual oil valves oil ignition transformer,

two-stage fuel unit, gas pilot, oil nozzle

assembly, control panel, all controls

installed and wired.

Combination gas-oil unit

Electronic combustion safety control,

automatic operating gas valve, safety

gas valve, pilot solenoid valve, pilot

ignition assembly, main manual gas

shut-off valve, pilot cock, pilot and

main gas pressure regulators, air safety

switch, manual fuel selector switch,

dual oil valves, oil ignition transformer,

two-stage fuel unit, oil ignition and

nozzle assembly, control panel, all

controls installed and wired.

Steam

Boiler

Water

Boiler

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Bryan Boilers RV Series User Manual Page 3

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