Bryan Boilers BFIT 400 User manual
Save this manual for future reference.
PN: 110820-06 Rev. 0
Do not store or use gasoline or other
ammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do
not use any phone in your building.
• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instrucons.
• If you cannot reach your gas supplier,
call the re department.
Installaon and service must be performed
by a qualied installer, service agency or the
gas supplier.
WARNING: If the information in these
instrucons is not followed exactly, a re
or explosion may result causing property
damage, personal injury or death.
Boiler Models
BFIT 400
BFIT 500
BFIT 650
BFIT 800
BFIT 1000L
Boiler Model: Serial Number:
Installation Date: System Type:
Heating Contractor: Phone/Email:
Address:
INSTALLATION, OPERATION, AND
MAINTENANCE MANUAL
400-1000 MBH Hot Water Boiler Indoor/Outdoor
Condensing with the Power to FIT
Bryan Steam, LLC www.bryanboilers.com
Phone: 765-473-6651 783 N. Chili Avenue, Peru, IN 46970 inquiry@bryansteam.com
2 BFIT 400-1000L I&O Manual
Table of Contents
A. Local Codes 4
B. Warranty 4
C. Shipment Damage 4
D. Connecting Gas Supply Line 4
E. Appliance Operation 5
F. Gas Leakage (If you detect or smell gas...) 5
G. Maintenance 5
I. Factory Test and Inspections 5
J. Disclaimers and Local Codes 5
A. Unpacking and Inspection 9
B. Check Equipment 9
C. Installation and Operation Manual 9
A. General 12
B. Appliance Mounting 13
C. Outdoor Installation 13
D. BFIT 400-1000L Stacking 14
E. Clearances 15
F. Clearances (French) 15
G. Closet and Alcove Installation 15
A. General Venting Guidelines 16
B. Venting Design Requirements 16
C. Field Installation 17
E. PVC Venting 19
F. Venting for Outdoor Installation 19
G. General Termination 20
I. Multiple Appliance Terminations 27
J. Terminal Installation 27
K. Polypropylene Venting 29
M. Removing Existing Appliance 32
N. Special Installation Requirements for Massachusetts 33
A. Condensate trap 34
BFIT 400-1000L I&O Manual 3
Table of Contents
B. Condensate Neutralizer Installation 35
C. Common Condensate pump/Sump 35
A. General Piping Guidelines 36
B. Factory Supplied Relief Valve Package 37
C. Standard Piping Components 38
D. Water Quality 39
E. Oxygen Contamination 40
F. Temperature Rise and Heat Exchanger Head Loss 41
A. Guidelines and Requirements 45
B. Field Connecting Gas Supply 45
C. Gas Pressure Switches 47
A. General. 48
B. Power Requirements 48
C. Appliance Wiring 48
D. Routing Field Connections 48
E. System and Circulation Pump Wiring 49
A. Check System Setup 54
B. Start the BFIT 54
D. Field Conversion of Gas Type 57
E. Pump Control 58
F. Check Thermostat Operation 58
H. Testing of Controls and Safety Devices 58
A. General Maintenance 60
B. Monthly Inspection 60
C. Annual Inspections and Service 60
D. Restarting after Prolong Shutdown 63
4 BFIT 400-1000L I&O Manual
A. Local Codes
1. This unit shall be installed in accordance with those
2. This unit must be installed and serviced by a
3.
4.
B. Warranty
1.
the installing contractor to ensure all controls are
2.
3. Heat exchanger failure due to lime (scale) build-
manufacturer’s warranty.
4.
water quality adheres to the requirements in Table
20.
C. Shipment Damage
1.
carrier.
2.
D. Connecng Gas Supply Line
1.
2.
(gas valve, blower, etc.).
-
BFIT 400-1000L I&O Manual 5
E. Appliance Operaon
1.
contains corrosive contaminants (see Table 4).
2.
combustion or ventilation air from or to the
3.
F. Gas Leakage (If you detect or smell gas...)
1.
2.
3.
4.
G. Maintenance
1.
2.
3.
H. Product Idencaon Label
1.
exchanger.
2.
II(continued)
I. Factory Test and Inspecons
1.
2.
J. Disclaimers and Local Codes
1.
the Naonal Fuel Gas Code, NFPA 54/ANSI Z223.1,
and/ or CSA B149.1 Natural Gas and Propane Code.
Standard for
Controls and Safety Devices for Automacally Fired
Boilers, ANSI/ ASME CSD-1.
2.
3.
maintenance.
-
California to cause cancer and birth defects or
6 BFIT 400-1000L I&O Manual
Specication BFIT Models
400 500 650 800 1000L
Fuel NG or LP NG or LP NG or LP NG or LP NG or LP
Max. Water Temp. (°F)1210 210 210 210 210
Max. Working Pres. (psi) 160 160 160 160 160
Safety Relief Valve Options (psi) 30, 50, 60, 75, 100, 125
Water Vol. (gal) 3.8 4.3 5.6 6.6 8.1
Heat Transfer Area (sq. ft.) 34.8 39.1 52.2 60.9 75.4
Approx. Shipping Weight (lb) 460 470 530 560 600
1Appliance will go into hard lockout if temperature exceeds 200 0F.
BFIT Comercial Gas Boiler
BFIT
Boiler Model
Input (MBH) Gross
Output
(MBH)
Thermal
Eciency
(%)
Combustion
Eciency
(%)
Min. Max.
400 40 400 388 97 97
500 50 500 485 97 97
650 65 650 631 97 97
800 80 800 776 97 97
1000L 100 1000 970 97 97
1Ratings shown are for installations at sea level and elevations up to 2000 ft.
at minimum vent length. For high altitude installations above 2000 ft. consult
factory.
Dimensions (in.)
BFIT Model
400 500 650 800 1000L
Gas Inlet 3/4 3/4 1 1 1
Water Outlet Pipe (FNPT) 2 2 2 2 2
Water Inlet Pipe (MNPT) 2 2 2 2 2
Air Intake 4 4 6 6 6
Vent Outlet 4 4 6 6 6
Condensate Drain (PVC) 1 1 1 1 1
Drain Line (FNPT) 3/4 3/4 3/4 3/4 3/4
Electrical Conduit Holes 7/8 7/8 7/8 7/8 7/8
BFIT 400-1000L I&O Manual 7
III(continued)
38 1
2
"
43"
33 1
2
"
25 5
8
"
26 3
8
"
Front View
1 7
8
"
36 1
2
"
5
8
"
5 1
2
"
1 7
8
"
48 7
8
"
2 1
2
"
Side View
3 7
8
"
9 1
4
"
5 7
8
"
12 1
4
"
19 3
4
"
10"
26 1
2
"
27 3
4
"
35 1
8
"
11 3
8
"
6 1
4
"
2 7
8
"
Rear View
LAMP Boiler 400-500 dimensional for manual
8 BFIT 400-1000L I&O Manual
III(continued)
43"
38 1
2
"
33 1
2
"
25 5
8
"
26 3
8
"
Front View
1 7
8
"
5
8
"
52 3
8
"
7 1
8
"
1 7
8
"
65 7
8
"
Side View
9 1
4
"
10"
5 7
8
"
12 1
4
"
35 1
8
"
9 7
8
"
6 1
4
"
27 3
4
"
26 1
2
"
19 3
4
"
3 7
8
"
3 1
4
"
Back View
LAMP Boiler 650-1000 dimensional for manual
BFIT 400-1000L I&O Manual 9
A. Unpacking and Inspecon
1.
2.
3.
4.
5.
6.
B. Check Equipment
1.
2.
otherwise mishandled.
3.
carrier.
4.
.
a.
5.
a.
15.
C. Installaon and Operaon Manual
1.
-
to extend at least half way through the base will
-
-
Front panel with
display cover
Side panel
with louvers
Rear intake cover
10 BFIT 400-1000L I&O Manual
1. Communicaon Interface (ConcertTM Control)
2. Main appliance control
3. Front control box
Slide out control box designed to allow easy access
to the main controls for service.
4. Rear control box
5. ON/OFF switch
6. Main gas valve
Combination air/fuel ratio and automatic safety
7. Gas and Air Mixer/Venturi
High Turn-down venturi that mixes air and gas before
entering the blower.
8. Blower
9. BluejetRBurner
Burner is
mounted on the burner door.
10. Ignion electrode
main burner.
11. High gas pressure switch
Table 28).
12. Low gas pressure switch
electrical control circuit in the event a low gas
Table 28).
13. Outlet/Supply
14. Water ow switch
Table 19
15. Gas supply connecon
Table 28 for
16. Inlet/Return
17. Hot/outlet water temperature sensor
control.
18. Cold/Inlet water temperature sensor
19. Low water cut o (LWCO)
20. Temperature and pressure gauge
21. Pressure relief valve
22. Condensate drain trap
drain line.
23. Minimum combuson air proving switch
24. Blocked vent switch
25. Combuson air lter box
26. Heat Exchanger
27. Heat Exchanger Drain
exchanger.
28. Exhaust Vent Connecon
to Table 6
29. Condensate Drain Connecon
30. Combuson Air Intake Connecon
BFIT 400-1000L I&O Manual 11
V(continued)
1
21
16
2
36
11 12
22
26
10
5
19
17
18
16
15
23
13
20
14
4
15
28
27
29 30
12 BFIT 400-1000L I&O Manual
A. General
1.
of such requirements, to the Naonal Fuel Gas
Code, ANSI Z223.1/NFPA 54, and/or Natural Gas
and Propane Installaon Code, CAN/CSA B149.1.
Standard for
Controls and Safety Devices for Automacally Fired
Boilers, ANSI/ASME CSD-1.
2.
Table 5 for recommended
clearances may be reduced but should not be less
3.
4. Provide combustion and ventilation air in
Installation Code, CAN/CSA-B149.1, Venting
5.
Table 4). In
removers, cleaning solvents, and detergents. Avoid
dry wall dust etc.
6.
system load will result in excessive cycling and
-
-
-
-
BFIT 400-1000L I&O Manual 13
5.
the floor is not level or in areas where water
a.
b.
c.
6.
anchoring holes on the feet of the base
C. Outdoor Installaon
1.
2.
3.
4.
local codes.
Contaminants to Avoid:
(CFC’s)
Permanent wave solutions
Chlorinated waxes/cleaners
Chlorine-based swimming pool chemicals
Calcium chloride used for thawing
Sodium chloride used for water softening
Refrigerant leaks
Paint or varnish removers
Hydrochloric acid/muriatic acid
Cements and glues
Anti-static fabric softeners used in clothes dryers
Chlorine-type bleaches, detergents, and cleaning
solvents found in household laundry rooms.
Adhesives used to fasten building products and
other similar products
Excessive dust and dirt
Areas likely to have contaminants:
Dry cleaning/laundry areas and establishments
Swimming pools
Metal fabrication plants
Beauty shops
Refrigeration repair shops
Photo processing plants
Auto body shops
Plastic manufacturing plants
New building construction
Remodeling areas
Garages with workshops
VI(continued)
B. Appliance Mounng
1.
2.
3.
heat exchanger.
4.
14 BFIT 400-1000L I&O Manual
VI(continued)
D. BFIT 400-1000L Stacking
1.
a.
of another 400 or 500 model.
b.
2.
drilling screws.
a.
b.
shown in .
3.
4.
a.
switch.
b.
c.
d.
harnesses.
Rear Right
Front Right
C
D
Front Left
Rear Left
Rotated Display
BFIT 400-1000L I&O Manual 15
E. Clearances
1.
materials. The clearances for serviceability are
found in Table 5.
2.
3.
F. Clearances (French)
1.
2. Installation dans une garde-robe : assurer un
G. Closet and Alcove Installaon
1.
2. Provide a 1" minimum clearance around water
3.
clearances.
4.
Sides - 24"
VI(continued)
clearances for serviceability will limit access for
maintenance.
vent material.
Minimum
Clearance
Front
(In.)
Rear
(In.)
Right
(In.)
Left
(In.)
Top
(In.)
Serviceability
(Indoor
Installation)
24 24 0* 0* 0
Serviceability
(Outdoor
Installation)
24 36 0* 0* 0**
To
Combustible
Construction
00000
* Leave 24" clearance on at least one side.
**
local codes.
H. Side by Side and 0" Clearance Installaon
1.
with at least 24 inches inbetween
24 in
16 BFIT 400-1000L I&O Manual
A. General Venng Guidelines
1. Install vent system in accordance with Naonal
Fuel Gas Code, ANSI Z223.1/NFPA 54 or Natural
2.
a.
3. Vent/combustion system materials that are
in Table 9
a. It is recommended to consult with venting
4.
5.
from the boiler to the vent terminal.
6.
of condensate.
7.
8.
B. Venng Design Requirements
venting system can be designed by consulting
equivalent length method in this manual.
1. Engineered Venng Method
conditions, an individual or common venting
system can be designed to ensure the reliability of
a.
found in Table 12.
b. 2 2ranges are shown in
Table 30.
c.
d.
e. Manifolded venng
2. Equivalent length method:
Table 6.
Table 7.
Common venting with other manufacturers'
system length.
BFIT 400-1000L I&O Manual 17
VII(continued)
Component
Combuson Air Vent
Equivalent
Length Per
Piece
xQuantity =
Subtotal
Equivalent
Length
Equivalent
Length
Per Piece
xQuantity =
Subtotal
Equivalent
Length
Straight Pipe x = A x = D
90° Elbow x = B x = E
45° Elbow x = C x = F
Combustion Air Total
Equivalent Length =Vent Total
Equivalent Length =
Notes:
1. Total equivalent length cannot exceed maximum equivalent length shown in Table 6.
2. Combustion air and vent terminations do not count towards total equivalent length.
BFIT
Model
Combustion Air Length Vent Length
Pipe Dia.
in. (mm)
Minimum
eq. ft. (m)
Maximum
eq. ft. (m)
Pipe Dia.
in. (mm)
Minimum
eq. ft. (m)
Maximum
eq. ft. (m)
400 4 (100) 0 100 (30) 4 (100) 5 (1.5) 100 (30)
500 4 (100) 0 100 (30) 4 (100) 5 (1.5) 100 (30)
650 6 (150) 0 100 (30) 6 (150) 5 (1.5) 100 (30)
800 6 (150) 0 100 (30) 6 (150) 5 (1.5) 100 (30)
1000L 6 (150) 0 100 (30) 6 (150) 5 (1.5) 100 (30)
NOTE:
Contact factory for assistance on maximum vent length applications.
This table applies to all listed vent/combustion air system options.
Diameter 4 in. (100 mm) 6 in. (150 mm)
90°Elbow 5 ft. (1.5 m) 8 ft. (2.4 m)
45° Elbow 2 ft. (0.6 m) 3 ft. (1 m)
C. Field Installaon
1.
2.
3.
4.
5.
a.
6.
18 BFIT 400-1000L I&O Manual
-
VII(continued)
Make Stainless Steel Brand Polypropylene Brand
DuraVent FasNSeal PolyPro
Heat Fab Saf-T Vent EZ Seal* -
Z-Flex (Nova Flex Group) Z-Vent Z-DENS
Centrotherm - InnoFlue SW Rigid
Note: Included appliance connection is a 3-in-1 adapter that permits Stainless Steel, Polypropylene, or CPVC.
Adapting to Z-DENS requires 4" increaser 2ZDI44 or 6" adapter 2ZDCPVCG6.
Adapting to InnoFlue requires 4" adapter ISAAL0404 or 6" adapter ISAAL0606
BFIT Model Vent
Diameter (in.) Style Heat Fab Part #
Saf-T Vent
DuraVent Part #
FasNSeal
400
500 4
Tee 9490TEE FSTT4
90° Elbow 9414TERM -
Straight 9492 -
23° Elbow - FSBS4
650
800
1000L
6
Tee 9690TEE FSTT6
90° Elbow 9614TERM -
Straight 9692 -
23° Elbow - FSBS6
BFIT Model Vent
Diameter (in.) Style DuraVent Part #
PolyPro
Centrotherm Part #
InnoFlue
Z-Flex Part #
Z-DENS
400
500 4
Tee 4PPS-TTBL ISTT0420 2ZDTT4
Elbow 4PPS-E90BC - 2ZDE487UV
Straight 4PPS-12BC ISEP04 2ZDES4
Screen 4PPS-BG IASPP04 2ZDES4
650
800
1000L
6
Tee 6PPS-TTBC ISTT0620 2ZDTT6
Elbow 6PPS-E90BC - 2ZDE687
Straight 6PPS-12BC - 2ZDES6
Screen 6PPS-BG IASPP06 2ZDES6
At Maximum Input Rate At Minimum Input Rate
BFIT
Model
Flue Gas Flow, ACFM @
35% Excess Air, 180 0F
Combustion Air, SCFM
@ 35% Excess Air,
60 0F
Flue Gas Flow, ACFM @
35% Excess Air, 180 0F
Combustion Air, SCFM
@ 35% Excess Air,
60 0F
400 113 92 11 9
500 141 115 14 11
650 183 149 18 15
800 226 184 23 18
1000L 282 212 28 23
Note: Flow rates are based on the combustion of natural gas.
BFIT 400-1000L I&O Manual 19
of vent system.
system length.
D. Room Air for Combuson
1.
a.
b.
E. PVC Venng
1.
a.
b.
2.
3.
used in the vent system as it exits the boiler.
F. Venng for Outdoor Installaon
1.
a.
b.
2.
a.
3.
VII(continued)
Drain Cap
Boot Tee
36" Straight
90° Elbow
Termination Tee
20 BFIT 400-1000L I&O Manual
VII(continued)
G. General Terminaon
1.
2.
in Table 13, and see Table 16
3.
a.
b.
at the same hieght.
4.
at least 12 in. (300 mm) [18 in. (460 mm) in Canada]
above the normal snow line and at least 12 in. (300
mm) above grade level.
5.
or doors.
6.
mm) above any forced air inlet located within 10
Vent & Intake
Materials
Vent
Option
Penetration
Through Structure Termination Parts Table Reference
Figure
Two Pipe
Stainless Steel vent,
Galvanized Steel or
PVC intake
1
Intake Horizontal Sidewall 90° elbow
Table 10
Figure 9
Vent Horizontal Sidewall Tee or 45° elbow
2
Intake Horizontal Sidewall 90° elbow
-
Vent Vertical Roof Tee or straight
3
Intake Vertical Roof Tee or 2 90° elbows Figure 10
Figure 11
Vent Vertical Roof Tee or straight
Two Pipe
Polypropylene vent,
Galvanized Steel or
PVC intake
4
Intake Horizontal Sidewall 90° elbow
Table 11
Figure 9
Vent Horizontal Sidewall Tee or 45° elbow
5
Intake Horizontal Sidewall 90° elbow
-
Vent Vertical Roof Tee or straight
6
Intake Vertical Roof Tee or 2 90° elbows Figure 10
Figure 11
Vent Vertical Roof Tee or straight
Two Pipe
CPVC vent,
Galvanized Steel or
PVC intake
7
Intake Horizontal Sidewall 90° elbow
-
Figure 9
Vent Horizontal Sidewall Tee or 45° elbow
8
Intake Horizontal Sidewall 90° elbow
-
Vent Vertical Roof Tee or straight
9Intake Vertical Roof Tee or 2 90° elbows Figure 10
Figure 11
Vent Vertical Roof Tee or straight
Room air for
combustion;
SS, PP,
or CPVC vent
10 Vent Horizontal Sidewall Tee or 45° Elbow
Table 10
Table 11 -
11 Vent Vertical Roof Tee or straight
Notes:
1.
2.
3.
This manual suits for next models
4
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