Bradford White JVS User manual

Installation and Operation Instructions Document 1257B
Installation and
Operation Instructions for
Residential
Gas-Fired
Hydronic Boilers
Models JVH, JVS
These instructions are to be stored next to the boiler for reference purposes.
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
, property damage, or death.
Improper installation and/or operation will void the warranty.
WARNING
If the information in this manual is not followed
property damage, personal injury or loss of life.
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
nearby phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call the
Installation and service must be performed by
supplier.
AVERTISSEMENT
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d’incendie ou d’explosion
ou pour éviter tout dommage matériel, toute
blessure ou la mort.
Ne pas entreposer ni utiliser d’essence ni
le voisinage de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d’allumer d’appareils.
• Ne touchez à aucun interrupteur. Ne pas
vous servir des téléphones dansle bâtiment
où vous êtes.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions
du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur
de gaz, appelez le sservice des incendies.
L’installation et l’entretien doivent être assurés
par un installateur ou un service d’entretien
Vent damper is optional in some provinces of Canada..
Sizes 50-225
U.S. Patent No. 1,609,692
Canada Patent No. 383,318
JVH
JVS
H2359000B
238-49219-00B REV 4/14

Bradford White Corp
Page 2
TABLE OF CONTENTS
SECTION 1.
General Information
1A. Introduction ....................................................3
1B. Warranty ........................................................3
1C. Heater Identication .......................................4
SECTION 2.
Boiler Assembly & Placement
2A. Field Assembly ..............................................4
2B. Boiler Placement ...........................................5
2C. Flooring ..........................................................5
2D. Dimensional Information ................................6
2E. Clearance / Closet Installations .....................8
SECTION 3.
Air and Venting
3A. Combustion Air Supply ..................................9
3B. Venting .........................................................10
3C. Vertical Venting - Category I ........................ 11
3D-1 Horizontal Venting - Category III ..................12
3D-2 Venting Connections ....................................12
3D-3 Vent Terminations ........................................13
3E. Common Venting System ............................13
SECTION 4.
Gas Connections
4A. Gas Supply and Piping ................................13
4B. Special Precautions for LP .........................15
SECTION 5.
Water Connections
5A. Water Piping ................................................15
5B. By-pass Piping .............................................17
5C. Adjusting the bypass ...................................17
5D. Alternate Auto-Bypass Operation ................17
5E. Flow Requirements ......................................18
5F. Chilled Water Systems ................................18
5G. Oxygen Permeable Systems .......................18
5H. Anti-Freeze ..................................................18
SECTION 6.
6A. Electrical Wiring ...........................................20
6B. Outdoor Reset .............................................20
SECTION 7.
7A. Filling the System ........................................25
SECTION 8.
Operating Procedures
8A. System Start-up ...........................................26
8B. Sequence of Operation ................................26
8C. Operating Instructions, JVH .........................27
8D. Operating Instructions, JVS .........................28
8E. Operating Temperature Control ...................29
SECTION 9.
9A. Maintenance ................................................31
9B. Electrical Troubleshooting ...........................32
SECTION 10. Replacement Parts
10A. Glossary of Terms ........................................35
10B. Parts List JVH ..............................................36
10C. Parts List JVS ..............................................38

Brute Mini JV Page 3
SECTION 1.
General Information
1A. Introduction
This manual provides information necessary for
the installation, operation, and maintenance of the
Bradford White Model JV low pressure, copper tube
hydronic boilers. These boilers are available in two
congurations; the JVH has a hot surface pilot ignition
system and the JVS has an electronic intermittent
ignition device (I.I.D.). Look for the model
designation on the rating plate, which can be found on
top of the boiler.
All application and installation procedures should
be reviewed completely before proceeding with the
installation. Consult the Bradford White factory, or
local factory representative, with any problems or
questions regarding this equipment. Experience has
shown that most operating problems are caused by
improper installation.
WARNING
This hydronic boiler must be installed in
accordance with the procedures detailed in this
manual, or the Bradford White warranty will be
voided. The installation must conform to the
requirements of the local jurisdiction having
authority, and, in the United States, to the latest
edition of the National Fuel Gas Code, ANSI
Z223.1. In Canada, the installation must conform
with the latest edition of CAN/CGA B149.1 OR .2
installation codes for gas burning appliances, and/
or local codes.
Any modications to the boiler, its gas controls,
gas orices, wiring or draft inducer assembly
may void the warranty. If eld conditions require
modications, consult the factory representative
before initiating such modications.
ATTENTION
L' eau chaude chaudière doit être installé en
conformité avec les procédures détaillées dans
ce manuel, ou le Bradford White garantie sera
annulée. L'installation doit être conforme aux
exigences de la juridiction locale ayant l'autorité,
et, aux ÉTATS-UNIS , à la dernière édition du
National gaz carburant Code, ANSI Z223.1. Au
Canada, l'installation doit être conforme à la plus
récente édition de la norme CAN/CGA B149.1
ou .2 codes d'installation gaz pour appareils de
combustion et/ou codes locaux.
1B. Warranty
Bradford White appliances are covered by a
limited warranty.
All warranty claims must be made to an authorized
Bradford White wholesale rep / distributor. To nd
information about the wholesalers in your area,
please go to www.bradfordwhite.com. and click on
'Wholesalers'.
Claims must include the serial number and model
(this information can be found on the rating plate),
installation date, and name of the installer. Shipping
costs are not included in the warranty coverage.
Some accessory items are shipped in separate
packages. Verify receipt of all packages listed on
the packing slip. Inspect everything for damage
immediately upon delivery, and advise the carrier of
any shortages or damage. Any such claims should be
led with the carrier. The carrier, not the shipper, is
responsible for shortages and damage to the shipment
whether visible or concealed.
The warranty does not cover damage caused by
improper assembly installation, operation or eld
modication.

Bradford White Corp
Page 4
1C. Heater Identication
Consult the rating plate on the boiler. The following
example simplies the heater identication:
SECTION 2.
Boiler Assembly and Placement
2A. Field Assembly
These boilers are available in two congurations; the
JVH has a hot surface ignition pilot and integral draft
fan, and the JVS has an electronic intermittent ignition
device (I.I.D.). Look for the model designation on the
rating plate, which can be found on top of the boiler in
the right rear corner.
The Bradford White automatic vent dampers are
standard on all JVS models. The Bradford White
side wall power venters can be used on JVS models.
Special instructions for their installation are included
in the vent damper and power venter package. Read
them carefully before installation.
JVS
1st thru 3rd CharaCters (Model designation)
BJV = Bradford White Corp. Model JV
Brute Mini
4th CharaCter (ignition systeM)
s = spark ignition
h = hot surfaCe pilot
5th thru 7th CharaCters (size)
input MBtu / h
8th CharaCter (fuel)
n = natural gas
p = propane gas
9th CharaCter (firing systeM)
D= on / off
10th CharaCter (ConstruCtion option)
i = (standard)
J = puMp (050-125 only)
11th CharaCter (altitude in feet)
s = (0 - 2,000) natural or (0 - 5,000) propane
h = (2,001 - 5,000) natural
i = (5,001 - 8,000) natural and propane
J = (8,001 - 10,000 natural and propane
12th CharaCter (Country)
u = usa & Canada
13th CharaCter (reVision)
2 = seCond reVision
JVH
1st thru 3rd CharaCters (Model designation)
BJV = Bradford White Corp. Model JV
Brute Mini
4th CharaCter (ignition systeM)
s = spark ignition
h = hot surfaCe pilot
5th thru 7th CharaCters (size)
input MBtu / h
8th CharaCter (fuel)
n = natural gas
p = propane gas
9th CharaCter (firing systeM)
C= on / off
10th CharaCter (ConstruCtion option)
s = standard
11th CharaCter (altitude in feet)
s = (0 - 2,000) natural or (0 - 5,000) propane
h = (2,001 - 5,000) natural
i = (5,001 - 8,000) natural and propane
J = (8,001 - 10,000 natural and propane
12th CharaCter (Country)
u = usa & Canada
13th CharaCter (reVision)
2 = seCond reVision
MODEL
J V
IGNIT
SYST
S
H
SIZE
0 5 0
0 7 5
1 0 0
1 2 5
1 6 0
2 2 5
FUEL
N
P
FIRING
SYST
C
D
CONST
OPTION
S
P
I
J
ALTITUDE
S
H
I
J
REVISION
2
BRADFORD
WHITE
COUNTRY
U
VJ U 2B
Table 1. Boiler Model Identication.
1 2 4 5 678 9 10 11 12 13
3

Brute Mini JV Page 5
Vent Damper (JVS only):
1. Brute Mini JVS boilers have built-in draft
diverter for natural draft operation.
2. Find the vent damper box which is located in the
boiler package.
3. Install the vent damper directly to the top of the
draft diverter outlet with the damper operator
facing to the front of the boiler, and with the ow
direction arrow pointing upward. Use the vent
damper wire harness provided with the boiler
to connect the vent damper to the boiler. The
bracket end of the harness should be connected to
the vent damper actuator.
4. For Model JVS only: Install the metal plug
provided with the vent damper onto the damper
plate hole.
5. Do not modify the automatic vent damper device.
It is very important that no other vents are closed.
Provide at least six inches clearance between
the automatic vent damper and combustible
construction, and be sure to allow access for
servicing the damper.
Temperature/Pressure Gauge: Install the temp/
pressure gauge provided in the parts box.
2B. Boiler Placement
1. The boiler must be placed to provide clearances
on all sides for maintenance and inspection. There
must also be minimum distances maintained from
combustible surfaces. Avoid locations which can
be damaged by water or moisture.
2. A minimum of 15" (381mm) access must be
available in front of the boiler for burner tray
removal. Consult local codes for clearances to hot
water pipes and accessories.
3. If the boiler is to be installed in a garage, all
burners and burner ignition devices must have
a minimum 18" (457mm) clearance
above the oor.
4. Boilers can be installed in a closet as long as
the minimum clearances shown in Table 2 are
observed. Special attention should be paid to
clearances between the front of the boiler and the
closet door when it is closed (see Figure 2).
2C. Flooring
JVS model boilers can only be installed on
noncombustible ooring.
JVH model boilers are designed and certied for
installation on a combustible oor.
All boilers must be installed on a level oor and
must NEVER be installed on carpeting.
NEVER store objects on or around the boiler.
Noncombustible ooring is dened as ooring
material and surface nish not capable of being
ignited and burning and with no combustible materials
against the underside. Acceptable materials are those
consisting entirely of a combination of steel, iron,
brick, tile, concrete, slate, glass or plaster.
The JVS model boilers can be installed on a
combustible oor if a noncombustible base
assembly, available from Bradford White, is used.
See the JVS Parts List at the back of this manual for
the appropriate Noncombustible Base Kit part number.
Figure 1. Typical Combustible Floor Installation.
As an alternative to the Bradford White
Noncombustible Base Kit, in the United States the
National Fuel Gas Code allows a heater to be placed
on a combustible surface when there is a platform
under the heater made of hollow masonry no less
than 4 inches (102 millimeters [mm]) thick, covered
with sheet metal at least 24 gauge thick and extending
WARNING
This boiler is intended for indoor installation only.
Do not install this boiler in a location subject to
negative pressure, or improper operation will occur.
Avertissement
Cette chaudière est destiné pour une installation
intérieure uniquement. Ne pas installer cette
chaudière dans un endroit soumis à pression
négative, ou fonctionnement incorrect se produira
Caution
Do not force motor operation when operator is
fastened to the damper by moving the damper
blade, turning the shaft or by turning the position
indicator.
Attention
Ne pas tourner le registre manuellement avec
ou sans courant électrique ou le moteur sera
endommagé.

Bradford White Corp
Page 6
inches
mm
Dimensions in
6
152
7
180
C B
25
635
2.4
61
24
610
7
180
9 -1/4
240
Size A B C Water
Connection
Gas
Connection
in. mm in. mm in. mm
50
75
100
125
160
225
13-3/8
13-3/8
16-7/8
16-7/8
20-3/8
25-5/8
340
340
429
429
518
651
3-1/8
2-1/4
5-3/4
5-1/2
7-1/4
10
79
57
146
140
184
254
2-7/8
2
2-7/8
2
2
2
73
51
73
51
51
51
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1-1/4
1/2
1/2
1/2
1/2
1/2
3/4
JVH Dimensions
2D. JVH Dimensional Information

Brute Mini JV Page 7
inches
mm
Dimensions in
6
152
7
180
C B
25
635
2.4
61
24
610
7
180
9 -1/4
240
Water
Conn
Gas
Conn
Size A B C D E V
in. mm in. mm in. mm in. mm in. mm in. mm 1-1/4 1/2
50 13-3/8 340 27-3/4 710 23-5/8 600 21-3/4 550 26-1/2 670 4 10 1-1/4 1/2
75 13-3/8 340 27-3/4 710 24-1/8 610 21-3/4 550 27-1/2 700 5 13 1-1/4 1/2
100 16-7/8 430 28-3/4 730 24-1/8 610 22-3/4 580 27-1/2 700 5 13 1-1/4 1/2
125 16-7/8 430 28-3/4 730 23-5/8 600 22-3/4 580 27-1/2 700 615 1-1/4 1/2
160 20-3/8 518 28-3/4 730 23-5/8 600 22-3/4 580 27-1/2 700 615 1-1/4 1/2
225 25-5/8 651 31-1/2 800 23-1/4 590 23-3/4 630 27-1/2 700 7 18 1-1/4 3/4
2D. JVS Dimensional Information
JVS Dimensions

Bradford White Corp
Page 8
Special attention should be paid to clearances
between the front of the boiler and the closet door
when it is closed.
Consult the American National Standard Z21.13 for
more information concerning closet installations. In
Canada, refer to the latest edition of CSA-B149.1.
Figure 2JVS. Closet Installation
Dimensions in inches cm.
6 15
6 15
6 15
4*
10
*6" for models JV160 to JV225.
beyond the full width and depth of the heater by at
least 12 inches (305mm) in all directions. The masonry
must be laid with ends unsealed, and joints matched to
provide free circulation of air from side to side through
the masonry (see Figure 1). If the boiler is installed in
a carpeted alcove, the entire oor of the alcove must
be covered by a noncombustible platform.
2E. Clearance / Closet Installations
All Brute Mini JV's can be installed in a closet as
long as the minimum clearances are observed.
See Table 2JVH and Figure 2JVH for
clearances required for the Brute Mini JVH.
See Table 2JVS and Figure 2JVS for
clearances required for the Brute Mini JVS
Figure 2JVH. Closet Installation.
TOP
VIEW
SIDE
VIEW
2
(51)
A
2
(51)
5
(127)
6
(152)
6
(152)
MIN
Dimensions in
inches (mm).
Air
Openings
B
Note: Clearances listed are manufacturer’s tested values. These are given as minimum values. Where local and national
codes apply, and values are different than those listed use the greater value to ensure safe operation.
Minimum Boiler Clearances from Combustible Surfaces.
Dégagements Minimaux à Assurer Entre Ics Parois de L’appareil et leo Constructions Combustibles
Boiler Sizes 50 - 225
Clearances in cm
Left side 2 5
Right side 5 15
Rear 2 5
Front 4 10
Flue (using B-vent) 6 15
Top 23 58
Boiler Sizes 50 - 125 160 - 225
Clearances in cm in cm
Left side 6 15 6 15
Right side 6 15 6 15
Rear 6 15 6 15
Front 4 10 4 10
Flue 6 15 6 15
Top 23 58 36 91
Table 2JVS Minimum Boiler ClearancesTable 2JVH Minimum Boiler Clearances

Brute Mini JV Page 9
Boiler Size Outside Air Area Inside Air Area
sq. in sq. cm sq. in. sq. cm
50 15 97 100 645
75 20 129 100 645
100 25 161 100 645
125 32 206 125 807
160 40 258 160 1032
225 60 387 225 1452
*Area indicated is for one of two openings: one at floor level
and one at the ceiling, so the total net free area would be
double the figures shown. For special conditions, refer to
NFPA54 ANSI Z223.1. In Canada, refer to the National
Standard CAN1-B149.1 or .2, which differs from this table.
NOTE: Check with louver manufacturers for Net Free Area of
Louvers. Correct for screen resistance to the Net Free Area if a
screen is used.
Table 3. Minimum Recommended
Air Supply to Boiler Room
Exhaust Fans or Vents: Any equipment which
exhausts air from the boiler room can deplete the
combustion air supply or reverse the natural draft
action of venting system. This could cause ue
products to accumulate in the boiler room. Additional
air must be supplied to compensate for such exhaust.
The information in Table 3 is not applicable in
installations where exhaust fans or blowers of any
type are used. Such installations must be designed by
qualied engineers.
If a blower or fan is used to supply air to the boiler
room, the installer should make sure it does not create
drafts which could cause nuisance shutdowns. If a
blower is necessary to provide adequate combustion
air to the boiler, a suitable switch or equivalent must
Figure 3. Chimney Venting. Figure 4. Vertical Venting.
CHIMNEY
LINER
THIMBLE
VENT
SYSTEM
BOILER
CLEANOUT
CHIMNEY
LINER
VENT
SYSTEM
BOILER
CLEANOUT
THIMBLE
1/4"
PER FT.
(20mm PER M)
SLOPE
1/4"
PER FT.
(20mm PER M)
SLOPE
12" (305mm)
SECTION 3.
Air and Venting
3A. Combustion Air Supply
The boiler location must provide sufcient air
supply for proper combustion, and ventilation of
the surrounding area as outlined in the latest edition
of U.S. ANSI standard Z223.1 or in Canada, CAN/
CGA-B149.1 or .2, and any local codes that may be
applicable.
In general, these requirements specify that the
boiler rooms which represent conned spaces should
be provided with two permanent air supply openings;
one within 12 inches (305mm) of the ceiling, the other
within 12 inches (305mm) of the oor.
NOTE: In Canada, follow Canadian Standard,
CAN/CGA-B149 or local codes.
Outside Air Supply: When combustion air is
supplied directly through an outside wall, each
opening should have a minimum free area of one
square inch per 4,000 BTU/h (6 sq. cm per 1.2 kW)
input of the total input rating of all appliances in the
enclosed area.
Inside Air Supply: When combustion is supplied
from inside the building, each opening should have
a minimum free area of one square inch per 1,000
BTU/h (6 sq. cm per 0.3 kW) input of the total input
rating of all appliances in the enclosed area. These
openings should never be less than 100 square inches
(645 sq. cm).

Bradford White Corp
Page 10
be wired into the boiler control circuit to prevent the
boiler from ring unless the blower is operating.
The boiler must be completely isolated and
protected from any source of corrosive chemical
fumes such as those emitted by trichloroethylene,
perchloroethylene, chlorine, etc.
3B. Venting
Vent Categories: Brute Mini JVS is a natural draft
appliance for Category I venting only. JVH is a
fan-assisted product that can be vented vertically in a
properly-designed Category I system, or can be vented
horizontally as a Category III appliance, per this
installation manual.
WARNING
This boiler must be vented in accordance with
Part 7, Venting of Equipment, of the latest edition
of the National Fuel Gas code, ANSI Z223.1 and
all applicable local building codes. In Canada,
follow CAN/CGA B149 Installation codes.
Improper venting of this appliance can result in
excessive levels of carbon monoxide which can
result in severe personal injury or death!
AVERTISSEMENT
Cette chaudière doit être ventilé, conformément
aux dispositions de la partie 7, de la ventilation de
l'équipement, de la dernière édition du National
gaz carburant code, ANSI Z223.1 et tous les
codes du bâtiment locaux. Au Canada, CAN/
CGA B149 codes d'installation. Une mauvaise
ventilation de cet appareil peut entraîner des
niveaux excessifs de monoxyde de carbone qui
peut entraîner de graves blessures ou la mort!
The boiler vent collar must be fastened directly to
an unobstructed vent pipe with rustproof sheet metal
screws no longer than 1/2” (13mm) and located to
prevent interference with the inducer damper.
Do not weld the vent pipe to the boiler collar. The
weight of the stack must not rest on the boiler. The
boiler top must be easily removable for normal boiler
service and inspection.
IMPORTANT
Only JVH (induced draft) models may be side-wall
vented per Section 3D without the addition of a
properly sized and installed power venter.
JVS must be connected only using Category Type
I methods and materials per Section 3C. JVH may
be connected per Category I or III (See Section 3D)
methods and materials. See fuel gas code for more
information regarding your venting application.
IMPORTANT
Seulement JVH (induits projet) modèles peut être
paroi ventilé par chapitre 3D sans l'addition de la
bonne taille et de puissance installée venter. JVS
doivent être connectés uniquement en utilisant
Type de catégorie I méthodes et matériaux par
Section 3C. JVH peut être connecté par catégorie
I ou III (voir section 3D) Les méthodes et les
matériaux. Voir gaz combustible code pour plus
d'informations concernant votre application
d'aération.
Avoid terminating boiler vents near air conditioning
or air supply fans. The fans can pick up exhaust
ue products from the boiler and return them to the
building, creating a possible health hazard.
Avoid oversized vent pipe or extremely long runs
WALL OR
PARAPET
CHIMNEY
CHIMNEY
RIDGE
WALL OR
PARAPET
CHIMNEY
CHIMNEY
RIDGE
10 (3.0) OR
LESS
Figure 5. Vertical Vent Termination.
2 (0.6) MIN. 3 (0.9)
MIN.
10 (3.0)
OR LESS
2 (0.6)
MIN. 3 (0.9)
MIN. 3 (0.9)
MIN.
3 (0.9)
MIN.
2 (0.6)
MIN.
10 (3.0)
MORE THAN 10
(3.0)
MORE THAN 10
(3.0)
NOTE: NO HEIGHT
ABOVE PARAPET
REQUIRED WHEN
FROM WALLS OR
PARAPET IS MORE
THAN 10 FT. (3.0m)
TERMINATION
10 FT. (3.0m)
OR LESS FROM RIDGE,
WALL OR PARAPET
Dimensions in feet (m).

Brute Mini JV Page 11
of the pipe, which may cause excessive cooling and
condensation.
3C. Vertical Venting - Category I
(JVS and JVH)
All venting must comply with fuel gas code and
be installed by a licensed professional.
The Brute Mini JVS or JVH series boiler can
be vented into a masonry chimney, (see Figure 2)
provided several conditions are met:
1. The chimney must have an appropriate tile lining
that is clean, properly constructed and properly
sized.
2. The chimney passage way shall be examined to
ascertain that it is clear and free of obstructions.
WARNING
Do not store any chemical, cleaners, or other
corrosive material near combustion air openings
or in the room. Avoid locating dryer vents in the
vicinity of combustion air openings. Failure to
prevent corrosive materials from mixing with
combustion air can result in reduced boiler life
and unsafe boiler operation.
AVERTISSEMENT
N’entrepposer aucun produit chimique, produit
nettoyant ou produit corrosif à proximité des
bouches d’air de combustion ou dans la pièce.
Éviter de placer des tuyaux de ventilation pour
sécheuse à proximité des bouches d’air de
combustion. Le fait de laisser des maitières
corrosives se mélanger à l’air de combustion
risque de réduire le cycle de vie de l’appareil
de chauffage et de compromettre son
fonctionnement.
3. If a chimney rebuild is required, it shall conform
to nationally recognized standards (see National
Building Code or ANSI/NFPA 211).
4. The boiler must not be connected to a replace,
wood stove or other solid fuel burning
equipment.
5. When the boiler and a hot water heater are to be
connected to the same chimney, they must have
their own vent connector and enter the chimney
at least 6” (152mm) apart.
IMPORTANT NOTE: Always provide a minimum
clearance of 6” (152mm) between Type C (single wall)
vent pipe and any combustible materials.
WARNING
Single wall vent pipe must NEVER pass through
interior walls or through oors or ceilings! Failure
to comply with this warning could result in a re
causing property damage, personal injury, or death!
AVERTISSEMENT
Paroi simple tuyau d'évent doit jamais passer par
l'intérieur les murs ou par planchers ou plafonds
! Le non-respect de cet avertissement peut
provoquer un incendie causant des dommages
matériels ou corporels, ou de mort!
When installing the vent system, all applicable
national and local codes must be followed! The use
of thimbles, restops and other protective devices,
when penetrating combustible or noncombustible
construction, must be in accordance with all applicable
national and local codes.
Figure 6. Horizontal Vent Termination.
3 (0.9)
MIN.
VENT TERMINAL
VENT TERMINAL
FORCED
AIR INLET
GRADE
SHEET METAL
SCREWS
THIMBLE
ANCHORED
FASTENER
CAULK JOINTS
SEAL ENTIRE
CIRCUMFERENCE
OF JOINT
ANCHORED
FASTENER
CAULK JOINTS
EXHAUST
HOOD
VENT TERMINAL DETAIL
4 (1.2)
MIN. 4 (1.2)
MIN.
12 (3.7)
MIN.
VENT
TERMINAL
6 (1.8) MIN.
LESS THAN
10
(3.0)
Dimensions in
feet (m).

Bradford White Corp
Page 12
Vertical vents of the induced draft JVH boilers must
be installed in accordance with the code requirement
for Category 1, Fan Assisted Appliances. Follow the
requirements as indicated in the latest edition of ANSI
Z223.1/NFPA 54, sizing of Category I Venting System
and Appendix G, or in Canada, follow the instruction
of CAN/CGA-B149 installation code.
An unused lined chimney can be used as a raceway
for single wall vent pipe, (see Figure 3). Never run
vent pipe through a ue that has another appliance
attached to it.
3D-1. Horizontal Venting - Category III
(JVH only)
When venting is horizontal, or cannot meet the
requirements of Category I, it can develop positive
pressure and must be installed in accordance with
this section and the specic vent manufacturer’s
instructions. Common venting is not allowed in
Category III systems.
Figure 7. Horizontal Venting.
OUTSIDE WALL
VENT
SYSTEM SHEET METAL
SCREWS
THIMBLE
BOILER
12" (305mm)
MIN.
BOILER VENTING
DETAIL
CAULK ENTIRE
JOINT, INCLUDING
THE SCREWS
*WHEN HORIZONTAL RUN
EXCEEDS 5 FT. (1.5m)
VENT TERMINAL
HOOD
*
3D-2. Vent Connections (JVH only)
The vent system must be gas tight. All seams and
joints must be sealed with silicone sealant or adhesive
tape having a minimum temperature rating of 400°F
(204ºC). Use at least three corrosion resistant screws at
each slip joint, when required.
For best results, horizontal vent systems should
be as short and straight as possible. Material of vent
connectors shall be as follows:
Description Manufacturer Product
High Temperature
RTV Dow Corning Trade Mate
2" (51mm) wide
Aluminum foil tape
- adhesively backed
Venture Product
#3243
2" (51mm) wide
Aluminum foil tape
- adhesively backed
3M Product #433
Vent Sealing Materials.
Materials Vent Length
In U.S.A.: UL type 304, 316 or 294-C
stainless steel or equal 26 gauge minimum.
In Canada: Use "BH-Type" vent
material certied to ULD-S636 Class I
(more than 135°C, but not more than 245°C
ue gas temperature), made of AL29-4C
stainless steel or equal.
Up to a maximum
of 55' (17m) of
equivalent pipe run
(including required
elbows).
Do not use plastic venting of any kind.
The boiler vent collar must be fastened to the vent
pipe with rustproof metal screws no longer than 1/2”
(13mm) and sealed with high temperature (500ºF /
260ºC) silicone sealant. For larger diameter vent pipes,
use a sealed reducer fastened directly to the boiler
collar and seal all joints as indicated in Figure 7.
Allow the sealant to cure for 24 hours before operating
the boiler.
The entire vent system must not exceed the size
specied in Table 4.
The following criteria must be observed:
1. Attach a vertical pipe at least 12” (305mm) high
to the boiler outlet before the horizontal run if
run exceeds 5 feet (see Figure 5).
2. Support the vent run at 3’ (.9m) intervals with
overhead hangers.
Size Diameter No. of
Elbows
Horizontal Run Length
in. mm ft. m
50 - 160 4102 435 10.7
225 4102 210 3.0
225 6152 435 10.7
For each elbow eliminated, add 5’(1.5m) of allowable vent.
Table 4. Horizontal Venting Conguration.
3. Pitch down the vent run, toward the vent terminal
(hood), 1/4” per foot (20mm per meter).
4. Do not locate any joint screws at the bottom of
the vent run.
3D-3. Vent Termination (JVH only)
The side wall vent terminal (hood), Bradford White

Brute Mini JV Page 13
Part Number D2004300 (4”) or D2000401 (6”), must
be used when the boiler is vented through a side wall.
It provides a means of installing vent pipe through
the building wall, and must be located in accordance
with ANSI Z223.1/NFPA 54, or in Canada CAN/
CGA-B149 and local applicable codes,
(see Figure 6 ).
Locate the vent terminal so that it cannot be
blocked by snow. Most codes requires termination of
at least 12” (305mm) above grade, but the installer
must follow local codes.
3E. Common Venting System
WARNING
Operation of appliances with a blocked common
vent may lead to serious injury or death. Safety
devices must be implemented to prevent blocked
common vent operation. If safe operation of all
appliances connected to a common vent cannot
be assured, including prevention of spillage of ue
gasses into living spaces, common venting should
not be applied, and appliances should each be
vented separately.
AVERTISSEMENT
Le fonctionnement des appareils avec un
système d’évacuation bloqué peut provoquer des
blessures graves, voire la mort. Des dispositifs
de sécurité doivent être installés pour éviter
le blocage des systèmes d’évacuation. Si le
fonctionnement de tous les appareils connectés
à un système d’évacuation commun ne peut
pas être assuré, y compris la prévention de la
dispersion des gaz toxiques dans les espaces
habités, on ne devrait pas installer un système
d’évacuation commun et chaque appareil devrait
être ventilé séparément.
When an existing boiler is removed from a common
venting system, the common venting system is likely
to be too large for proper venting of the appliances
remaining connected to it.
At the time of removal of an existing boiler, the
following steps shall be followed with each appliance
remaining connected to the common venting system
placed in operation, while the other appliances
remaining connected to the common venting system
are not in operation.
1. Seal any unused openings in the common venting
system.
2. Visually inspect the venting system for proper
size and horizontal pitch and determine there is
no blockage or restriction, leakage, corrosion or
other deciencies which could cause an unsafe
condition.
SECTION 4.
Gas Connections
4A Gas Supply and Piping
WARNING
The Brute Mini JVS and JVH boilers are
designed for use with either natural gas or LP
gas. Check the rating plate to be sure that the
boiler is designed to use the type of gas being
supplied. DO NOT ATTEMPT TO CONVERT
THIS HEATER FOR USE WITH ANY OTHER
TYPE OF FUEL.
AVERTISSEMENT
Les appareils de chauffage à faibles sont conçus
pour être utillsés avec du gaz naturel ou du gaz
de pétrole liquéé (GPL). Vériez l’information
inscrite sur la plaque signalétique du pour vous
assurer que l’appareil est conçu pour le type de
gaz fourni. NE PAS ESSAYER DE CONVERTIR
CET APPAREIL À UN AUTRE TYPE DE GAZ.\
3. Insofar as it is practical, close all building doors
and windows and all doors between the space in
which the appliances remaining connected to the
common venting system are located and other
spaces of the building. Turn on clothes dryers
and any gas burning appliance not connected
to the common venting system. Turn bathroom
exhausts, so they will operate at maximum speed.
Do not operate a summer exhaust fan. Close
replace dampers.
4. Place in operation the appliance being
inspected. Follow the lighting instructions.
Adjust thermostat so appliance will operate
continuously.
5. Test for spillage at the burner opening after ve
minutes of main burner operation.
6. After it has been determined that each appliance
remaining connected to the common venting
system properly vents when tested as outlined
above, return doors, windows, exhaust fans,
replace dampers and any other gas burning
appliance to their previous conditions of use.
7. Any improper operation of the common venting
system should be corrected so the installation
conforms with the National Fuel Gas Code,
ANSI Z223.1. When re-sizing any portion
of the common venting system, the common
venting system should be re-sized to approach
the minimum size as determined using the
appropriate tables in Appendix G in the National
Fuel Gas Code, ANSI Z223.1.

Bradford White Corp
Page 14
Figure 8. Gas Supply Piping.
HORIZONTAL
DROP
TO BOILER
SEDIMENT TRAP
OR DRIP LEG
TO BOILER
RISER
SEDIMENT TRAP
OR DRIP LEG
3" (76mm)
MIN.
3" (76mm)
MIN.
1. Gas piping installation must be in accordance
with the latest edition of ANSI Z223.1 and all
local codes. In Canada, the installation must be in
accordance with CSA-B149.1 and all local codes
that apply.
2. Check the gas supply to be sure that it is the
same as the gas indicated on the boiler’s plate.
Brute Mini JVS and JVH boilers, as shipped
from the factory, are certied to operate within
the altitude range indicated on the rating plate.
If a eld conversion to a different altitude range
or different gas should be necessary, conversion
parts are available. Contact a Bradford White
representative or the factory for the correct part
numbers to order for conversions
Caution
Permanent damage to the gas valve will occur
if the following procedures are not followed.
Attention
Vous endommagerez la soupape de gaz
si vous ne respectez pas les procédures
suivantes.
3. Use the gures in Table 6 to size the gas inlet
piping from the gas meter to the heater. Check all
local codes for compliance before installing the
heater.
Boiler Size
Distance
From Gas
Meter
50 75 100 125 160 225
Pipe Size
0-50
0-15m 1/2 3/4 3/4 3/4 1 1
50-100'
15-30m 3/4 3/4 3/4 1 1 1-1/4
100-200'
30-60m 3/4 1 1 1 1-1/4 1-1/4
*Note: These gures are for Natural Gas (.65 Sp. Gr.), and
are based on 1/2" water column pressure drop. Check supply
pressure with a manometer, and local code requirements for
variations. For LPG, reduce pipe diameter one size, but main-
tain a 1/2" minimum diameter. A 'normal' number of Tees and
elbows have been taken into allowance.
Table 6. Natural Gas Pipe Size Requirements*
Gas Supply
Inlet
Tee
Fitting
3 in.
(76mm) Min.
Cap
Nipple
To Equipment
Inlet
Figure 9. Typical design for a sediment trap/drip leg.
Supply Pressure Minimum Maximum
Natural Gas 5.5 Inches WC 10.5 Inches WC
(1.3 kPa) (2.5 kPa)
LP Gas 10.0 Inches WC 13.0 Inches WC
(2.4 kPa) (3.1 kPa)
Table 5. Gas Supply Pressure Requirements.

Brute Mini JV Page 15
SECTION 5.
Water Connections
5A. Water Piping
Figure 10. shows ‘typical’ plumbing installations. Be
sure to provide unions and isolation valves at the
boiler inlet and outlet so it can be isolated for service.
Check local codes for specic plumbing requirements
before beginning the installation.
An ASME pressure relief valve is supplied on
all JV boilers, and is pre-set at 30 PSI. The valve
outlet piping must discharge to a drain. Under no
circumstances should the relief valve piping be a
closed circuit.
A pressure reducing valve (automatic feed) must be
used to maintain the system at constant proper pressure
(see Figure 10). Supply properly installed purge
valves to eliminate air from each circuit.
A drain valve is supplied with the boiler, and can be
found in the plastic bag shipped with each boiler. This
valve is to be installed on the lower right side of the
boiler and is used for draining the unit. To drain the
boiler completely, open the drain valve and remove
the two drain plugs located on the lower left side of
the boiler.
Be sure to include air vent devices located at the
highest point in the system to eliminate trapped air,
and an air elimination device near the outlet side of the
JV boiler. Manual vent valves are recommended.
Hot water piping should be supported by suitable
hangers or oor stands, NOT by the boiler. Due
to expansion and contraction of copper pipe,
consideration should be given to the type of hangers
used. Rigid hangers could transmit noise through the
system caused by the piping sliding in the hangers.
It is recommended that padding be used when rigid
hangers are installed.
Gas piping should also be supported by suitable
hangers or oor stands, not the boiler.
A properly sized expansion tank must be included in
the system.
4. A sediment trap (drip leg) must be installed
ahead of the gas controls (see Figure 8). Fit the
trap with a threaded cap which can be removed
for cleaning.
5. Install a manual gas shutoff valve for service and
safety. Do not use a restrictive gas cock. Flexible
gas connectors, if used, must be CSA rated for
the total input rating of the boiler.
6. Disconnect the boiler and its individual shutoff
valve from the gas supply system during pressure
testing of the system at pressures higher than 1/2
pounds per square inch (psi) (3.45 kilopascals
[kPa]). If the test pressure is equal to or less than
1/2 psi (3.45 kPa), close the manual shutoff valve
on the heater during the piping pressure test.
7. If the gas supply pressure is less than required,
check for undersized pipe between the meter and
the boiler, a restrictive tting, or an undersized
gas meter. Gas supply pressures to the heater are
listed in Table 5.
NOTE: The maximum inlet gas pressure must not
exceed the specied value. The minimum value listed is
for the purpose of input adjustment. Refer to Table 5.
NOTE: The boiler and all other gas appliances
sharing the boiler gas supply line must be ring
at maximum capacity to properly measure the
inlet supply pressure. Low gas pressure could be
an indication of an undersize gas meter and/or
obstructed gas supply line.
8. The correct high re burner manifold gas
pressure is stamped on the rating plate. The
regulator is pre-set at the factory, and normally
requires no further adjustment. For two-stage
units (JVS 100-225) be sure unit is able to re at
both high and low re.
9. Before operating the boiler, the complete gas
supply system and all connections must be tested
for leaks using a leak detector solution. Do not
use an open ame.
Caution
Some leak test solutions (including soap and
water) may cause corrosion or stress cracking.
Rinse the piping with water after testing.
Attention
Certaines solultions d’essai d’étanchéité (y
compris l’eau et le savon) peuvent causer de
la corrosion ou de la ssuration. Rincez les
tuyaux à l’eau apprès l’essai d’étanchéité.
4B Special Precautions for LP Gas
LP Gas is heavier than air and can therefore more
readily collect or “pool” in enclosed areas if provision
for proper ventilation is not made. Be sure to pay
special attention to proper ventilation for LP gas.
Locate boilers a safe distance from LP gas cylinders
and lling equipment. In the United States, consult
the “National Fuel Gas Code” (NFPA 54 / ANSI
Z223.1, latest edition) or in Canada, the Propane
Installation Code (CSA-B149.1), any local codes and
re protection authorities about specic installation
restrictions in your area.

Bradford White Corp
Page 16
Multi-Zone
Pump
System
Primary
Secondary
Multi-Zone
Pump System
Primary/Secondary Multi-Zone Valve System
Low Temperature Installation
JV JV
JV
JV
JV JV
Primary/Secondary Multi-Zone Valve System
KEY: PUMP CHECK VALVE VALVE ZONE VALVE UNION AUTO AIR BLEEDER
Figure 10. Typical Plumbing Installations.
Multi-Zone
Valve System
Single Circuit System

Brute Mini JV Page 17
5B By-pass Piping
The following information and suggestions are made
on by-pass piping as it affects the temperature rise
at the boiler. A boiler temperature rise must be taken
on all JV boiler installations. If the temperature rise
exceeds 30°F (17°C) at full rate, it is an indication that
the boiler is not receiving adequate water ow. Check
the pump for any obstruction, replace the pump with a
larger size where necessary, or install a system by-pass
as indicated in Figures 10 and 11.
A full sized, 1¼" bypass with balancing valves is
strongly recommended for all systems, and required
when: 1) the boiler is installed without primary-
secondary piping in a multiple zone system; 2) when
the return water temperature can be expected to be
lower than 120°F (44°C); or 3) whenever the system
piping on the outlet side of the boiler may allow
reduced ow through the heat exchanger, causing
excessive temperature rise (see Section 5.2).
Note: Bradford White strongly recommends a primary/
secondary piping system for all installations, especially
sizes 125, 160 and 225. In this system, a circulator is
dedicated to pumping the boiler only. This circulator
should be sized for the boiler head loss and ow rate.
All precautions must be taken by the installer to insure
that a maximum temperature rise through the boiler
does not exceed 30°F (17°C). The temperature rise
on boilers installed in multi-zone systems using zone
valves must be taken when the zone of the longest
length and/or the zone of the highest head loss is open.
A full size, 1¼" diameter by-pass with
balancing valve must be installed if a return water
temperature below 120°F (44°C) is expected under
operating conditions regardless of boiler size. This
may be expected in many systems, including in-
oor radiant and snow melt systems.
5C Adjusting the bypass:
Refer to Figure 11. Provide a means of measuring
temperature on the inlet pipe to the boiler such as
using a strap on or infrared thermometer. Starting
with both balancing valves fully open, start the boiler.
Adjust the balancing valve on the return to the system
slowly to provide 120°F (44°C) water at the inlet to
the boiler, leaving the bypass balancing valve fully
open. As the system warms up, this valve may need
to be adjusted open. In rare cases, this valve will have
to be kept fully open, and the bypass balancing valve
adjusted toward closed to prevent heated bypass water
from satisfying the call for heat when the system is up
to temperature.
5D Alternate Auto-Bypass Operation
Use of the Bradford White thermostatic union, p/n
2400-030, can provide automatic bypass operation in
primary - secondary piped systems (but cannot be used
when primary - secondary piping is not used). The
thermostatic union is installed on the outlet piping,
after the bypass assembly. It can be used in place of a
balancing valve. It opens fully at 140°F
(see Figure 11). Contact the factory for more
information.
Table 7. Temperature Rise °F °C.
gpm = Water Flow in gallons per minute. l/s = Water ow in liters per second.
ft = Pressure drop (headloss) through the boiler in feet of water. m = Pressure drop (headloss) through the boiler in meters of water.
Notes: 1. Shaded area is the recommended ow and temperature rise.
2. Temperature rise and associated ow rates are based on high re operation at the Normal Input Rate from the rating plate.
15°F 8°C 20°F 11°C 25°F 14°C
Size Flow Rate Headloss Flow Rate Headloss Flow Rate Headloss
gpm l/s ft mgpm l/s ft mgpm l/s ft m
50 5.3 0.3 0.3 0.1 4 0.3 0.2 0.1 3.2 0.2 0.1 0
75 8 0.5 0.6 0.2 6 0.4 0.3 0.1 4.8 0.3 0.2 0.1
100 10.7 0.7 1.3 0.4 8 0.5 0.7 0.2 6.4 0.4 0.5 0.2
125 13.3 0.8 2.2 0.7 10 0.6 1.3 0.4 8 0.5 0.8 0.2
160 17 1.1 2.5 0.8 12.8 0.8 1.8 0.5 10.2 0.6 1.2 0.4
225 24 1.5 5 1.5 18 1.1 3.1 0.9 14.4 0.9 1.9 0.6

Bradford White Corp
Page 18
Figure 11. By-pass Piping.
Balancing Valve
or optional thermo-
static union, Bradford
White P/N 2400-030.
(Primary/Secondary
only)
To
System
From
System
In
(Return)
Out
(Supply)
Drip
Leg
Left Side View
A full size by-pass must be installed.
Balancing
Valve
5E Flow Requirements
All high recovery, low volume water boilers must have
adequate ow for efcient operation. Pump selection
is critical to this goal, and pumps should be selected
to provide for system design water temperature rise.
Table 7 details temperature rise and water ow (GPM)
for the Brute Mini boilers.
Damage from improper ow is not warranteed.
Failure to insure proper water ow through the
heat exchanger of the boiler will void the Bradford
White warranty. Flow can be veried by measuring
the difference in water temperatures between the
boiler inlet and outlet. For example: For a JV-100
installation, the inlet water temperature is 160°F
(71°C), and the outlet temperature is 180°F (82°C) at
Normal Input Rate from the rating plate. That means
there is a 20° (11°C) temperature rise through the
boiler. According to
Table 7, that would indicate a ow rate of 8 GPM
(0.5L/S). Temperature rise must be measured with the
longest (highest head) zone calling for heat alone.
Other factors to be considered before selecting a
pump are pipe size, the number of ttings throughout
the system, smoothness of the interior surface of the
pipe, the quantity of water owing through the pipe,
whether a glycol solution is being used, and the total
length of piping in the system. Table 8 provides
example pump selection criteria using Type L copper
piping, one zone valve and up to eight elbows for
single zone systems. Consult the factory or a qualied
system designer if you have more ttings or different
size or type of pipe.
*A circulator and/or primary/secondary piping are required. Consult
factory.
1. Chart is based on 30°F (17°C) maximum temperature rise.
2. Calculations are based on Type L copper tubing with one zone
valve and eight elbows.
3. Typical circulating pumps: 1/25 HP=Taco 007, B&G LR-20 or
SLC-25, Grundfos UP15-42F, or equivalent. 1/12 HP=B&G LR-
12, Grundfos UP26-42F, or equivalent. 1/6HP=B&G series HV,
Grundfos UP43-75, or equivalent.
Table 8. Maximum Suggested Circuit Length in Feet.
1/2" Pipe 3/4" Pipe 1" Pipe 1-1/4" Pipe
Size Pump Pump Pump Pump
H.P. H.P. H.P. H.P.
1/25 1/12 1/25 1/12 1/6 1/25 1/12 1/6 1/25 1/12 1/6
50 50 99 390 680 * * * * * * *
75 * 35 160 300 460 640 * * * * *
100 * * 77 150 260 330 620 * * * *
125 * * 27 80 140 170 360 600 * * *
160 * * * 25 72 57 160 330 190 480 *
225 * * * * * * * 110 * 69 330
5F Chilled Water Systems
If the boiler is installed in conjunction with
refrigeration systems, it shall be installed so that the
chilled medium is piped in parallel with the heating
boiler with appropriate valves to prevent the chilled
medium from entering the heating boiler.
When boiler piping is connected to heating
coils, which are in close proximity to refrigerated air
circulation, there must be ow control valves or other
automatic methods to prevent gravity circulation of the
boiler water during the cooling cycle.
5G Oxygen Permeable Systems
The JV boiler must not be direct connected to a
heating system utilizing oxygen permeable tubing.
Provide a water-to-water heat exchanger between
systems to prevent corrosion of ferrous metals such
as the boiler’s piping wet walls, etc. Air elimination
devices are not sufcient protection, and corrosion
damage is not covered under the limited warranty.
5H Anti-Freeze
Non-toxic HVAC anti-freeze may be added to the
hydronic system provided the concentration does
not exceed 50%, and the anti-freeze contains an anti
foamant and rust inhibitor. Follow the anti-freeze
manufacturer’s recommendations for yearly or
biannual replacement of system anti-freeze. Never use
automotive anti-freeze in a boiler system.

Brute Mini JV Page 19
Figure 12. Typical Plumbing Diagrams.
JV
From
System
To
System
NON-LOW TEMPERATURE SYSTEMS
(120°F+ Return Temps)
Simple Primary/Secondary Piping-Hydronic-Not Low Temp
NOTE: All closed loop systems should include air elimination, expansion tank and feed water inlet. Place at point of lowest pressure (typically
at the inlet of pump).
NOTE: Ball valves should not be used as balancing valves. Only use for shutoff apps.
LOW TEMP SYSTEMS
JV
120°+
From
System
To
System
Primary/Secondary Piping with Variable Speed Injection
Variable Speed
Control
Pump
Pump
Isolation Valve
Isolation
Valve
The preferred piping configuration for JV boilers is always using primary/secondary piping.
There are some applications that are acceptable without primary/secondary piping, see below.
From
System
To
System
Primary/Secondary Piping with Field Balancing
(for Fixed Low Return Temperatures)
JV
Pump
Isolation Valve
Isolation
Valve
Balancing
Valve
Balancing
Valve
Pump
From
System
To
System
Tempering Valve with System Loop
and Boiler Loop Pump
JV
Pump
Isolation Valve
Isolation
Valve
Tempering
Valve
Pump
From
System
To
System
Primary/Secondary
System Loop with Tempering Valve and Pump with Boiler Loop
with Tempering Valve and Pump
JV
Pump
Isolation Valve
Isolation
Valve
Tempering
Valve
Pump
Tempering
Valve
Isolation
Valve
Isolation
Valve
Pump
Pump
JV
From
System
To
System
Primary/Secondary Piping with By-Pass
(for Fixed Low Return Temperatures)
Pump
Isolation
Valve
Pump
Isolation
Valve
Balancing
Valve
Balancing
Valve
Primary/Secondary Piping with Automatic By-Pass
Pump
Pump Isolation
Valve
Isolation
Valve
Auto
By-Pass
Valve
From
System
To
System
JV
JV
From
System
To
System
Primary/Secondary Piping with Laars
Thermostatic Union as an Automatic Bypass
Pump
Isolation
Valve
Pump
Isolation
Valve
Laars
Thermostatic
Union
PN 2400-030
Balancing
Valve
NOTE: All closed loop systems should include air elimination, expansion tank and feed water inlet. Place at point of lowest
pressure (typically at the inlet of pump).
NOTE: Ball valves should not be used as balancing valves. Only use for shutoff apps.

Bradford White Corp
Page 20
WARNING
The boiler must be electrically grounded in
accordance with the requirements of the authority
having jurisdiction or, in the absence of such
requirements, with the latest edition of the national
Electrical Code, ANSI/NFPA 70, in the U.S. and with
the latest edition of CSA C22.1 Canadian Electrical
Code, Part 1, in Canada. Do not rely on the gas or
water piping to ground the metal parts of the boiler.
Plastic pipe or dielectric unions may isolate the boiler
electrically. Service and maintenance personnel who
work on or around the boiler may be standing on wet
oors and could be electrocuted by an ungrounded
boiler.
AVERTISSEMENT
La chaudière doit être mis à la terre conformément
aux prescriptions de l'autorité ayant juridiction ou,
en l'absence de telles exigences, avec la dernière
édition du national Electrical Code, ANSI/NFPA
70, aux ÉTATS-UNIS et à la dernière édition de la
norme CSA C22.1 Code électrique canadien, partie
1, au Canada. Ne pas compter sur le gaz ou l'eau
tuyauterie à la masse des pièces métalliques de la
chaudière. Tuyau en plastique ou diélectrique les
syndicats peuvent isoler la chaudière électrique.
SECTION 6.
6A. Electrical Wiring
Follow these instructions to make the necessary
initial electrical connections.
1. Remove the two screws attaching the front cover
of the control box.
2. There are wires coiled in the area on the right
side of the control box, supplied with wire nuts:
black wires and white wires.
3. Follow the schematic in Figures 14A. and 14B.
Remove the wire nut from the two sets of wires,
and connect the hot lead from the 115V power
supply, and the neutral lead to the white wires.
4. Attach the leads from the wall thermostat to
the terminal strip, located on the left side of the
control box.
5. Check the boiler wiring and pump for correct
voltage, frequency and phase. If the pump circuit
is other than 115V, be sure there is an appropriate
transformer or relay installed. The pump relay is
suitable for pumps of 1/3 HP or less (max 5A).
6. For systems with multiple zone pumps or valves
(see Figure 17).
A means of disconnecting the electrical supply must
be provided within sight of the boiler. The pump and
boiler must be wired as shown to insure that the pump
is running whenever the boiler is ring.
Flow Switch: If the system includes a ow switch,
it should be wired in series with the high-limit switch.
The boiler will not re unless the pump is running and
the ow switch is closed.
Field installed safety devices and operating
controllers, such as valve end switches, relays, timers,
can be connected to the boiler through the wall
thermostat circuit. Do not exceed a draw of 40VA on
the transformer secondary. A 2-Amp fuse is here to
protect the transformer.
6B. Outdoor Reset.
To comply with Federal Law, the Brute Mini JV
automatically sets water temperature based on outdoor
temperature. A sensor (E2347400) supplied must
be located outdoors yet out of direct sunlight. If not
connected, the boiler may not be fully functional.
Connect the sensor to the terminals labeled "COM"
and "OUTDOOR" located on the left side of the
control box, using outdoor rated min 24 gauge wire.
(See Figures 13A and 13B)
Figure 13B
Figure 13A
Terminals