Lennox GWB84-262E User manual
PN 240013089, Rev. A [09/30/2020]
GAS FIRED BOILER
INSTALLATION
INSTRUCTIONS
PRODUCT LITERATURE
Lennox Industries Inc.
Dallas, Texas
This boiler cannot be used with all types of
chimneys. Read these instructions carefully
before installing.
GAS-FIRED HOT WATER BOILERS
These Gas-Fired Water boilers are low pressure,
Natural and Propane Gases. They are constructed
and hydrostatically tested for maximum working
Tested for 50 psi. ASME
Working Pressure
C.S.A. Certied for
Natural gas or Propane
Retain These Instructions for
Future Reference
These instructions must be axed on or
adjacent to the boiler.
WARNING
property damage. Refer to this manual. For
assistance or additional information consult
gas supplier.
!
2
Fully Assembled Boiler Vent Damper Pump (Optional) *Drain Valve
*ASME Safety Relief
Valve *Tridicator *Fuse Link w/
Instruction Tag *Nipple 3/4”x6-1/2 “
Documents and Warranty
11x17 Wire Diagrams
Document Package *Circulator Harness
Information and specications outlined in this manual in eect at the
time of printing of this manual. Manufacturer reserves the right to
discontinue, change specications or system design at any time without
notice and without incurring any obligation, whatsoever.
KEEP THIS MANUAL NEAR BOILER
RETAIN FOR FUTURE REFERENCE
For Parts lists see manual 240013151 included with your boiler literature package.
ITEMS INCLUDED WITH YOUR BOILER
PN 240013089 Rev. A [09/30/2020]
3
1 - Dimensions................................................................................
...................................................... 5
..................................................................... 7
.......................................................
..............................................................17
......................................................................
.........................................................................
10 - Wiring Diagram........................................................................
.................................................................
.................................................................
................................................................
...........................................................................
.............................................................
.....................................................
..........................................................
............................................................30
................................................
TABLE OF CONTENTS
PN 240013089 Rev. A [09/30/2020]
4
1 - DIMENSIONS
Figure 1 - Dimensions
*
PN 240013089 Rev. A [09/30/2020]
Table 1 - Dimensions
BOILER
MODEL
NUMBER
DIMENSIONS (INCH.)
FLUE
DIAMETER
“A”
WIDTH
7½
7 30¾
5
2 - SAFETY SYMBOLS AND WARNINGS
CAUTION
!!
WARNING
!
DANGER
!
safety messages following this symbol to avoid
2.1. Safety Information
WARNING
Do not tamper with or use this boiler for any
purpose other than its intended use. Failure to follow
these instructions could result in death or serious
and accessories.
!
CAUTION
appropriate personal protection equipment to
include safety glasses and gloves when installing
or servicing this boiler. Failure to follow these
!!
NOTICE
WARNING
Fire, explosion, asphyxiation and electrical shock
all requirements before beginning installation.
!
FOR YOUR SAFETY READ BEFORE OPERATING
Hot Water Can Scald!
Water heated to temperature for clothes washing,
hot water. Never leave them unattended in bathtub or
shower. Never allow small children to use a hot water
tap or draw their own bath.
description, or if state laws or local codes require
certain water temperatures at hot water taps, you
must take special precautions:
•
•
an automatic mixing valve, at hot water tap or
selected and installed according to manufacturer's
recommendations and instructions.
• Water passing out of drain valves may be
•
•
DANGER
!
Water
Temperature
Seng
1st Degree Burn
Exposure Time For
An Adult
2nd and 3rd Degree Burn
Exposure Time For An
Adult
120° F 1 minute 5 minutes
130° F 5 seconds 30 seconds
140° F 2 seconds 5 seconds
150° F 1 second 1.5 seconds
160° F Instantaneous 0.5 seconds
Note:
Great care must be taken when exposing the
aforementioned groups to warm or hot water as they
can be badly burned in exposure times less than half
of the time for an adult.
PN 240013089 Rev. A [09/30/2020]
6
WARNING
Keep boiler area clear and free from combustible
liquids.
When this product is installed in the Commonwealth
by a Licensed Plumber or Licensed Gas Fitter.
!
WARNING
Combustion chamber insulation in this product
can be converted to cristobalite in very high
or cristobalite from occupational sources is
for cristobalite at the time this document was
https://www.cdc.gov/niosh/topics/
silica/.
and phone numbers are also listed on this website.
combustion chamber lining to prevent dust. Wash
potentially contaminated clothes separately from
other clothing. Rinse clothes washer thoroughly.
!
2.2 For Your Safety 2.2 For Your Safety
WARNING
electrical problems, corrosion, inoperative parts,
mold and other unforeseen issues which can
excess of water or other liquid, shall be replaced.
Failure to follow these directions will result in a
!
2 - SAFETY SYMBOLS AND WARNINGS
reference.
PN 240013089 Rev. A [09/30/2020]
7
3 -LOCATING THE BOILER
Table 2 -
MINIMUM CLEARANCE DIMENSIONS
Top
Rear
Front
protection clearances.
front of appliance to leading edge of side walls as shown
below.
1.
2.
3.
provisions of the local building codes.
4.
criteria with the gas manifold and control assembly on
5.
are protected from water (dripping, spraying, rain,
replacement, condensate trap, control replacement,
6.
Locate boiler on level, solid base as near chimney as
possible and centrally located with respect to heat
distribution system as practical.
7.
servicing and cleaning.
8.
When installed in utility room, door should be wide
enough to allow largest boiler part to enter, or to
permit replacement of another appliance such as water
heater.
Minimum Clearances to Combustible
Construction (as seen from above)
BOILER
Front
7"
Control
9.
FOR INSTALLATION ON NON-COMBUSTIBLE
FLOORS ONLY - For installation on combustible
envelope provided with boiler and outlined in National
Fuel Gas CodeDo Not Install
Boiler on carpeting.
3.1 Installation Requirements
CAUTION
lift boiler without assistance.
!!
WARNING
!
PN 240013089 Rev. A [09/30/2020]
8
3.3 Boiler Location Considerations
•
•
boiler service or from safety relief valve discharge.
•
electrical service.
•
capable of supporting the weight of the boiler, water,
and equipment.
•
wet.
3 - LOCATING THE BOILER
Items to Avoid Products Which May Contain These
Items Areas Where These Items May Be
Found
Chlorine, Fluorine, and Compounds
Chlorinated waxes/cleaners
Chlorine-based swimming pool chemicals
Calcium chloride used for thawing
De-icing salts or chemicals
Carbon Tetrachloride
Drywall dust
Road or gravel dust
Dryer lint
Cat litter
Cements, adhesives and glues
Photo processing plants
Garages with workshops
establishments
Laundry Chemicals
Laundry detergents, bleaches, fabric
softeners, etc.
Dry cleaning/laundry areas and
establishments
Permanent wave solutions
the refrigerant may be leaking from the
Refrigeration repair shops
Notes:
Table 3-1: CONTAMINANTS
•
•
manufacturer for use with closed water heating system.
Do not use automotive or ethylene glycol.
PN 240013089 Rev. A [09/30/2020]
9
4 - CONNECTING SUPPLY AND RETURN PIPING
RELIEF VALVE
DISCHARGE
LINE
Check local
codes for
maximum
distance
from oor
or allowable
safe point of
discharge.
Figure 2 - Safety Relief Valve
1.
2.
position.
3.
relief valve.
4.
•
•
or greater.
•
of other discharge piping.
•
safety relief valve relieving capacity below minimum
relief valve capacity stated on rating plate.
• Run pipe as short and straight as possible to location
protecting user from scalding and properly drain
piping.
•
•
•
• Terminate freely to atmosphere where discharge is
WARNING
discharge steam or hot water during operation.
!
WARNING
installed with spindle in upright position only,
!
PN 240013089 Rev. A [09/30/2020]
10
4.3 Flush and Rinse System
Flush the entire system and rinse thoroughly to ensure no
sludge will be introduced into the heating body of the boiler.
WARNING
•
use ethylene glycol.
• Never use automotive or standard glycol
systems.
•
in hydronic systems.
• Do not use petroleum based cleaning or sealing
compounds boiler system.
•
water.
•
use with closed water heating system.
•
•
NOTICE
appropriate safeguards and alarms on the heating
and burst pipes should the boiler heating system
become inoperative due to a power outage, safety
lockout or component failure.
4.4 Water Treatment
based on the analysis results. For extremely hard water or
based on the analysis results.
local water treatment company.
• I
or malfunction could be caused. Recommended water
quality is
:
•
water treatment specialist for recommendations.
•
products or products containing mineral oil or hydrocarbons
in order to avoid likely damage to parts made from rubber
4 - CONNECTING SUPPLY AND RETURN PIPING
!
PN 240013089 Rev. A [09/30/2020]
11
4 - CONNECTING SUPPLY AND RETURN PIPING
Figure 3 - Temperature Pressure Gauge
pump.
FOR USE WITH COOLING UNITS
be installed so that chilled medium is piped in parallel
units where they may be exposed to refrigerated air
control valves or other automatic means to prevent
gravity circulation of boiler water during cooling cycle.
LOW WATER TEMPERATURE AND LARGE WATER
CONTENT SYSTEM (
system if boiler is operated for long period of time with
Condensate is corrosive and can cause severe damage to
temperature to prevent condensation in boiler and venting
1.
alternative is required to prevent low temperature
return water from entering boiler. Follow mixing valve
manufacturer’s instructions.
2.
3.
minimum reset supply water temperature setpoint
1.
2.
•
•
NOTICE
Do not tighten gauge by hand. Gauge should be
3.
Connect supply and return lines to boiler. Connections
diagrams.
WARNING
discharge steam or hot water during operation.
to follow these instructions could result in death or
!
PN 240013089 Rev. A [09/30/2020]
12
Figure 5 - Chilled Water Piping
Figure 4 - Typical Hot Water Piping
4 - CONNECTING SUPPLY AND RETURN PIPING
PN 240013089 Rev. A [09/30/2020]
13
Figure 6 - BYPASS PIPING - CIRCULATOR ON SUPPLY
Figure 7 - BYPASS PIPING - CIRCULATOR ON RETURN
Bypass Piping Required For High Mass (Large Water Content) Systems
4 - CONNECTING SUPPLY AND RETURN PIPING
PN 240013089 Rev. A [09/30/2020]
14
5 - VENTILATION & COMBUSTION AIR
Provide combustion air and ventilation air in accordance
building codes.
Provide make-up air where exhaust fans, clothes dryers,
and kitchen ventilation equipment interfere with proper
operation.
of obtaining adequate ventilation and combustion air.
override these methods.
•
•
system to prevent main burner operation when
mechanical air supply system not operating.
•
method if minimum volume not available.
equation for multiple appliances.
3
3
C. Refer to National Fuel Gas Code for opening
requirements between connected indoor spaces.
•
communicating directly or by ducts with outdoors.
enclosure.
Direct communication with outdoors or
communicating through vertical ducts. Provide
input rating of all appliances in enclosure.
enclosure.
Provide minimum clearance of 1 inch on sides/back
• Refer to National Fuel Gas Code for additional
requirements for louvers, grilles, screens and air
ducts.
•
Fuel Gas Code for application information.
Canada
providing air supply in accordance with:
•
•
•
or structure where boiler is installed, including air
supply openings and ducts.
PN 240013089 Rev. A [09/30/2020]
Table 4 - Minimum Room Volume, Indoor Air Only*
Room Cubic Feet Volume
0.1 0.3 0.5
15
local building codes.
Check Your Chimney
good condition.
Chimney Sizing
or
, or applicable provisions of local building
codes.
Following recommendations are in addition to requirements
of the National Fuel Gas Code.
1.
used unless following conditions are true:
a)
unheated space.
b)
including elbows is less than 5 feet in length.
2.
a) enclosed in a chase, or
b)
3. Where possible it is recommended to common vent
boiler and water heater.
4. For multiple boiler installations, consult boiler
manufacturer for venting recommendations.
6 - CHIMNEY AND VENT PIPE CONNECTION
WARNING
or other gas appliance with improper methods or
such as carbon monoxide with is odorless and
invisible.
!
1.
vent terminal.
2.
supported rigidly every 5 feet and at the elbows. No
portion of vent pipe should have any dips or sags.
Requirements
3.
National Fuel Gas Code
Natural Fuel Gas and Propane
Installation Code
provisions of the local building codes.
4.
metal pipe having resistance to heat and corrosion not
inch.
5.
not extend beyond inside wall of chimney more than
the latest revision of National Fuel Gas Code,
required by National Fuel Gas Code. Where two or
Chimney Inspection
and in good condition.
The National Fuel Gas Code,
Vent Pipe
• Fasten sections of vent pipe with 3 sheet metal screws
•
sagging.
•
support pipe from above.
•
pipe.
•
larger in diameter than vent pipe.
NOTICE
from any surface of single wall metal vent pipe.
systems shall be installed in accordance with their
listing.
PN 240013089 Rev. A [09/30/2020]
16
6 - CHIMNEY AND VENT PIPE CONNECTION
Connecting The Vent Damper And Vent Connector
NOTICE
should be plugged by using plug supplied with vent
damper.
1.
to operate inside of diverter. Do not modify either draft
diverter or vent damper during installation.
As An Option
instructions.
2.
which it is intended. Damper position indicator shall be
in visible location following installation. Locate damper
3.
Damper must be in the open position when appliance
main burners are operating.
4.
into vent damper.
5.
per foot.
6.
Run pipe as directly as possible with as few elbows as
possible.
7.
8.
connection.
Fasten sections of vent pipe with sheet metal screws to
pipe must go through crawl space. Where vent pipe passes
through combustible wall or partition, use ventilated metal
vent pipe.
Removing Existing Boiler From Common Venting
System
When an existing boiler is removed from common venting
system, common venting system is likely to be too large for
proper venting of appliances remaining connected to it.
be followed with each appliance remaining connected to the
common venting system placed in operation, while other
appliances remaining connected to common venting system
are not in operation.
1.
system.
2.
which could cause an unsafe condition.
3.
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 appliance not connected
to the common venting system. Turn on any exhaust
fans, such as range hoods and bathroom exhausts, so
they will operate at maximum speed. Do not operate a
4.
Place in operation the appliance being inspected. Follow
will operate continuously.
5.
Test for spillage at the draft hood relief opening after
a match or candle, or smoke from a cigarette, cigar or
pipe.
6.
remaining connected to the common venting system
properly vents when tested as outlined above, return
any other gas-burning appliance to their previous
conditions of use.
7.
should be corrected so the installation conforms with
common venting system, the common venting system
determined using the appropriate tables in Chapter 13
WARNING
Do not connect boiler to any portion of mechanical
draft system operating under positive pressure.
!
PN 240013089 Rev. A [09/30/2020]
17
7 - VENT DAMPER OPERATION
Figure 8 - Vent Damper Installation Figure 9 - Vent Damper Placement
areas of appliance, with particular attention given to
corrosion or other deterioration, contact your heating
contractor for repairs. Check vent damper operation as
follows:
•
indicator points to closed position, Figure 10.
• Turn thermostat or controller up to call for heat and
check vent damper indicator points to open position.
• Turn thermostat or controller down again and check
damper position indicator returns to closed position.
Vent Damper Manual Operation
located on damper controller. Thermostat will control
DO
NOT turn damper open manually or motor damage will
For further information, and vent damper troubleshooting
guide, refer to manual packaged with vent damper and
Inspect vent damper at least once a year by a
qualied service technician.
Figure 10 - Vent Damper Position Indicator
PN 240013089 Rev. A [09/30/2020]
18
8 - GAS SUPPLY PIPING
CAUTION
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.
•
neighbor’s phone. Follow gas supplier’s
instructions.
•
department.
!!
CHECK GAS SUPPLY
company requirements.
CONNECTING THE GAS PIPING See Figure 11.
Gas line enters boiler from right side.
•
requirements:
•
•
•
threads only.
•
•
•
valve to keep it from turning.
•
•
• Propane gas connections should only be made by
licensed propane installer.
• Two-stage regulation should be used by propane
installer.
• Propane gas piping should be checked out by propane
installer.
CHECKING GAS PIPING
DANGER
Failure to comply will result in death or serious
!
Pressure test boiler and gas connection before placing
boiler in operation
.
•
supply system.
•
boiler from gas supply system by closing manual gas
• Locate leakage using gas detector, noncorrosive
providing ignition source.
• Correct leaks immediately and retest.
Length of
Pipe - FT
350,000
130,000
50,000 105,000
Length of
Pipe - FT
Copper Tubing *
131,000
103,000
* Outside diameter
Measure length of pipe or tubing from gas meter or
propane second stage regulator.
Table 5 - Gas Pipe Sizes
3” Minimum
Sediment
Trap
Manifold
Floor Line
Automatic
Gas Valve
Ground
Joint
Union
Figure 11 - Gas Piping
PN 240013089 Rev. A [09/30/2020]
19
9 - ELECTRICAL WIRING
•
•
ELECTRIC POWER SUPPLY
protective device in electrical service entrance panel. This
grounded connection in service panel or properly driven
and electrically grounded ground rod.
THERMOSTAT INSTALLATION
1.
Thermostat should be installed on an inside wall about
2.
3.
4.
Check thermostat operation by raising and lowering
thermostat setting as required to start and stop the
burners.
5.
WARNING
supply at service panel before making electrical
connections. Failure to do so could result in death
!
NOTICE
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and
servicing.
VENT DAMPER WIRING
vent damper operator.
must be replaced,
its equivalent.
PN 240013089 Rev. A [09/30/2020]
20
10 - WIRING DIAGRAM
Figure 12 - Integrated High Limit Electronic Ignition Control
WARNING
!
PN 240013089 Rev. A [09/30/2020]
This manual suits for next models
1
Table of contents
Other Lennox Boiler manuals
Lennox
Lennox GCWB95F-150 User guide
Lennox
Lennox GSB8-E User manual
Lennox
Lennox GWB9-050IH-3 User manual
Lennox
Lennox COWB3 User manual
Lennox
Lennox MGC Series Instruction manual
Lennox
Lennox GCWB95F-150 User manual
Lennox
Lennox GWB9 User manual
Lennox
Lennox GWB84-060E User manual
Lennox
Lennox GWB8-042IE-2 User manual
Lennox
Lennox GWB8-262E-2 User manual
Lennox
Lennox OWB86-4D User manual
Lennox
Lennox COWB2 User manual
Lennox
Lennox G24M SERIES User manual
Lennox
Lennox GCWB95W-150 User guide
Lennox
Lennox GWB8-E Guide
Lennox
Lennox G61MPV Series User manual
Lennox
Lennox GSB8-E User manual
Lennox
Lennox OWB86-3 User manual
Lennox
Lennox GWM-050IE User manual
Lennox
Lennox GCWB95W-205 User manual
Popular Boiler manuals by other brands
Weil-McLain
Weil-McLain SVF 500 manual
Grant
Grant VortexAir Installation and servicing instructions
Viessmann
Viessmann Vitocrossal 200 CM2 Series Service instructions for contractors
Sime
Sime MURELLE EQUIPE 220 ErP Installation and servicing instructions
Sime
Sime MURELLE HE 25 BF manual
Ferroli
Ferroli Domina F 24-30 E Technical manual
Baxi
Baxi Barcelona System Installation and servicing instructions
Nibe
Nibe VPAS 300 Series User's and installer's manual
Mareli Systems
Mareli Systems ECOSTAR 12 KW Assembly and exploitation manual
Termomont
Termomont TKU3 PELLET 20 instruction manual
ECR International
ECR International Dunkirk Q95M-200 Installation, operation & maintenance manual
Ideal Heating
Ideal Heating IMAX XTRA 2 quick start guide
Kostrzewa
Kostrzewa Mini Bio Luxury Series user manual
Centrometal
Centrometal EKO-CKS Technical manual
Potterton
Potterton Performa 28i Installation and servicing instructions
Ariston
Ariston GENUS PREMIUM EVO HP 45 Installation and servicing instructions
Immergas
Immergas ARES 150 TEC ERP Instructions and warnings
Ariston
Ariston MICROCOMBI 23 MFFI user manual