Crown Boiler PHNTM399 User manual
105358-03 - 1/15
WARNING: Improper installation, adjustment, alteration,
service or maintenance can cause property damage, injury,
or loss of life. For assistance or additional information,
Series
Manufacturer of Hydronic Heating Products
P.O. Box 14818 3633 I. Street
Philadelphia, PA 19134
www.crownboiler.com
9700609
2
IMPORTANT INFORMATION - READ CAREFULLY
NOTE: The equipment shall be installed in accordance with those installation regulations enforced in the area where the
installation is to be made. These regulations shall be carefully followed in all cases. Authorities having jurisdiction
shall be consulted before installations are made.
All wiring on boilers installed in the USA shall be made in accordance with the National Electrical Code and/or local regulations.
All wiring on boilers installed in Canada shall be made in accordance with the Canadian Electrical Code and/or local regulations.
The following terms are used throughout this manual to bring attention to the presence of hazards of various risk levels,
or to important information concerning product life.
The City of New York requires a Licensed Master Plumber supervise the installation of this product.
The Massachusetts Board of Plumbers and Gas Fitters has approved the Phantom™ Series boiler. See the Massachusetts Board
of Plumbers and Gas Fitters website, http://license.reg.state.ma.us/pubLic/pl_products/pb_pre_form.asp for the latest Approval
Code or ask your local Sales Representative.
The Commonwealth of Massachusetts requires this product to be installed by a Licensed Plumber or Gas Fitter.
DANGER
WARNING
WARNING
3
Special Installation Requirements for Massachusetts
A. For all sidewall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in whole or
in part for residential purposes and where the sidewall exhaust vent termination is less than seven (7) feet above grade, the
1. If there is no carbon monoxide detector with an alarm already installed in compliance with the most current edition of
NFPA 720, NFPA 70 and the Massachusetts State Building Code in the residential unit served by the sidewall horizontally
vented gas fueled equipment, a battery operated carbon monoxide detector with an alarm shall be installed in compliance
with the most current edition of NFPA 720, NFPA 70 and the Massachusetts State Building Code.
2. In addition to the above requirements, if there is not one already present, a carbon monoxide detector with an alarm
and a battery back-up shall be installed and located in accordance with the installation requirements supplied with the
comply with 527 CMR, ANSI/UL 2034 Standards or CSA 6.19 and the most current edition of NFPA 720. In the event
that the requirements of this subdivision can not be met at the time of the completion of the installation of the equipment,
the installer shall have a period of thirty (30) days to comply with this requirement; provided, however, that during
said thirty (30) day period, a battery operated carbon monoxide detector with an alarm shall be installed in compliance
with the most current edition of NFPA 720, NFPA 70 and the Massachusetts State Building Code. In the event that the
sidewall horizontally vented gas fueled equipment is installed in a crawl space or an attic, the carbon monoxide detector
detector with an alarm and shall be installed in compliance with the most current edition of NFPA 720, NFPA 70 and the
Massachusetts State Building Code.
of eight (8) feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled
heating appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size, “GAS VENT
DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.
until proof is provided that the state or local electrical inspector having jurisdiction has granted a permit for installation of
carbon monoxide detectors and alarms as required above.
B. EXEMPTIONS: The following equipment is exempt from 248 CMR 5.08(2)(a) 1 through 4:
1. The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most current edition of NFPA
54 as adopted by the Board; and
2. Product Approved sidewall horizontally vented gas fueled equipment installed in a room or structure separate from the
dwelling, building or structure used in whole or in part for residential purposes.
C. When the manufacturer of Product Approved sidewall horizontally vented gas equipment provides a venting system design
or venting system components with the equipment, the instructions for installation of the equipment and the venting system
shall include:
1. A complete parts list for the venting system design or venting system; and
2. Detailed instructions for the installation of the venting system design or the venting system components.
D. When the manufacturer of a Product Approved sidewall horizontally vented gas fueled equipment does not provide the parts
1. The referenced “special venting system” instructions shall be included with the appliance or equipment installation
instructions; and
2. The “special venting systems” shall be Product Approved by the Board, and the instructions for that system shall include a
parts list and detailed installation instructions.
E. A copy of all installation instructions for all Product Approved sidewall horizontally vented gas fueled equipment, all venting
instructions, all parts lists for venting instructions, and/or all venting design instructions shall remain with the appliance or
equipment at the completion of the installation.
4
I. 5
II. Unpacking Boiler........................................................................................ 8
III. Pre-Installation and Boiler Mounting.......................................................... 9
IV. Venting...................................................................................................... 13
A. General Guidelines............................................................................... 13
B. CPVC/PVC Venting.............................................................................. 18
C. Polypropylene Venting......................................................................... 24
D. Stainless Steel Venting........................................................................ 27
30
F. Multiple Boiler Installation Venting....................................................... 31
V. Condensate Disposal................................................................................. 33
VI. Water Piping and Trim............................................................................... 35
VII. Gas Piping ............................................................................................... 47
VIII. Electrical ................................................................................................... 51
IX. System Start-Up ....................................................................................... 63
X. Operation...................................................................................................... 71
A. Overview.............................................................................................. 71
B. Supply Water Temperature Regulation................................................ 72
C. Boiler Protection Features.................................................................... 73
D. Multiple Boiler Control Sequencer........................................................ 74
E. Boiler Sequence of Operation.............................................................. 75
1. Normal Operation........................................................................... 75
76
F. Viewing Boiler Status.......................................................................... 77
1. Status Screens............................................................................... 77
2. Detail Screens................................................................................ 78
3. Multiple Boiler Sequencer Screens................................................ 79
80
1. Entering Adjust Mode.................................................................... 81
2. Adjusting Parameters.................................................................... 81
XI. Service and Maintenance ........................................................................ 91
XII. 97
XIII. Repair Parts ............................................................................................. 102
5
forced hot water space heating systems, requiring supply
water temperatures of 190°F or less. These boilers have
special coil type stainless steel heat exchangers, constructed,
tested and stamped per Section IV ‘Heating Boilers’ of
ASME Boiler and Pressure Vessel Code, which provide a
maximum heat transfer and simultaneous protection against
for use in gravity hot water space heating systems or
(swimming pool water heating, direct domestic hot water
heating, etc.).
Dimension
Boiler Model
PHNTM399 PHNTM500
(mm)
28-7/8
(734)
44-7/8
(1140)
(mm)
6-3/16
(157)
22-1/8
(562)
(mm)
13-1/16
(332)
29
(737)
(mm)
23-3/4
(602)
39-11/16
(1008)
(mm)
15-13/16
(402)
29-3/8
(752)
Gas Inlet F
(FPT) 3/4” 3/4”
Return G 1-1/2” (FPT)
Supply H 1-1/2” (FPT)
Condensate Drain J Factory Provided Socket End Compression Pipe Joining
Boiler Two-Pipe
CPVC/PVC Vent Connector
Boiler Model
PHNTM399 PHNTM500
0-7000 0-7000
0-4500 0-4500
Fuel
190 190
160 160
Factory Supplied Safety Relief Valve (psi)*50 50
Boiler Water Volume (gal.) 3.4 4.2
Heat Transfer Area (sq. ft.) 41.8 50.8
304 350
6
(continued)
7
(continued)
8
(continued)
1
PHNTM399 80 399 375 326 94.1 94.5
PHNTM500 100 500 475 413 95.0 95.0
1
A. Move boiler to approximate installed position.
B. Remove all crate fasteners.
C. Lift and remove outside container.
D. Remove boiler from cardboard positioning sleeve
on shipping skid.
E. Move boiler to its permanent location.
WARNING
WARNING
A. Installation must conform to the requirements
of the authority having jurisdiction in or, in the absence
of such requirements, to the National Fuel Gas Code,
ANSI Z223.1/NFPA 54, and/or Natural Gas and
Propane Installation Code, CAN/CSA B149.1.
Where required by the authority having jurisdiction, the
installation must conform to the Standard for Controls
and Safety Devices for Automatically Fired Boilers,
ANSI/ASME CSD-1.
for installation on combustible
C. Provide clearance between boiler jacket and
ordinance. Refer to Figure 2 for minimum listed
clearances from combustible material. Recommended
service clearance is 24 in. (610 mm) from left side,
front, top and rear of the boiler. Recommended front
clearance may be reduced to the combustible material
clearance providing:
1. Access to boiler front is provided through a door or
removable front access panel.
2. Access is provided to the condensate trap located
underneath the heat exchanger.
3. Access is provided to thermal link located at boiler
rear.
D. Protect gas ignition system components
from water (dripping, spraying, rain, etc.) during
boiler operation and service (circulator replacement,
condensate trap, control replacement, etc.).
E. Provide combustion and ventilation air in
accordance with applicable provisions of local building
codes, or: USA - National Fuel Gas Code, ANSI
Z223.1/NFPA 54, Air for Combustion and Ventilation;
Canada - Natural Gas and Propane Installation Code,
CAN/CSA-B149.1, Venting Systems and Air Supply for
Appliances.
WARNING
F. The boiler should be located so as to minimize
the length of the vent system. The combustion air
piping must terminate where outdoor air is available for
combustion and away from areas that may contaminate
combustion air. In particular, avoid areas near chemical
paint removers, cleaning solvents and detergents.
dry wall dust etc.
G. General.
1. Phantom boilers are intended for installations in an
prevent any leaks or safety relief valve discharge
resulting in property damage.
2. Phantom boilers are not intended to support external
piping and venting. All external piping and venting
must be supported independently of the boiler.
3. Phantom boilers must be installed level to prevent
condensate from backing up inside the boiler.
10
G. General (continued)
Boiler Clearances to Combustible (and Non-
Combustible) Material:
All models are listed for closet installation with the
following minimum clearances – Top = 1in. (25 mm),
Front = 1 in. (25 mm), Left Side = 10 in. (250 mm),
Right Side = 2 in. (50 mm), Rear = *6 in. (150 mm)
* Note:
When boiler is vented vertically, the minimum
clearance from the rear of the jacket is increased
to 18 in. (460 mm) with a short radius 90° elbow
provided in order to provide adequate space at boiler
rear for installation of vent and air intake piping and
service access.
Boiler Service Clearances – Applicable to all Boiler
Models:
Top = 24 in. (610 mm), Front = 24 in. (610 mm), Left
Side = 24 in. (610 mm), Right Side = 24 in. (610 mm),
Rear = 24 in. (610 mm)
The above clearances are recommended for service
access but may be reduced to the Combustible Material
Clearances provided:
1. The boiler front is accessible through a door.
2. Access is provided to the condensate trap located on
the left side of boiler.
3. Access is provided to thermal link located at the
boiler rear.
4. Boiler Installation:
a. For basement installation provide a solid level
around boiler. Floor must be able to support
weight of boiler, water and all additional system
components.
b. Boiler must be level to prevent condensate from
backing up inside the boiler.
c. Provide adequate space for condensate piping or
a condensate pump if required.
Factory Standard
Two-Pipe CPVC/PVC Vent and PVC
* CPVC/PVC
Vertical or
Horizontal
Unenclosed
at all Sides
4 in. (100 mm) 1 in. (25 mm)
Two-Pipe Rigid Polypropylene Vent
for Vertical Venting only) and Rigid
Air Intake
Pipe Rigid
Polypropylene
Vent (or,
Polypropylene
Vertical
Venting only)
4 in. (100 mm)
or (110 mm) 1 in. (25 mm)
Two-Pipe Stainless Steel Vent and
Air Intake
Stainless
Steel 4 in. (100 mm) 1 in. (25 mm)
11
G. General (continued)
H. Boiler Stacking
1. For installations with unusually high space heating
and/or domestic hot water heating loads, where
and boiler redundancy, Phantom boilers may be
installed stacked maximum one boiler on top of
another. Refer to Table 3 “Phantom Boiler Model
Stacking Combinations” for details.
PHNTM399 PHNTM399
PHNTM500 PHNTM399 or PHNTM500
2.
II “Unpacking Boiler” and III “Pre-Installation
& Boiler Mounting” of the manual for details.
Always position higher input boiler model as
bottom boiler.
b. Each Phantom boiler is factory packaged with
2 stacking boiler attachment brackets (P/N
101679-01) and the bracket mounting hardware
[six (6) self-drilling hex washer head plated
#8 x ½” long screws]. Locate and remove the
brackets and the hardware. The stacking boiler
attachment bracket has three 7/32” diameter
holes punched in a triangular pattern. See
Figure 3 “Stacking Boiler Attachment Bracket
Placement”.
c. Phantom boiler left and right side panels have a
series of dimples at panel top and bottom. These
dimples are positioning dimples for stacking
boiler attachment bracket mounting screws. Side
panel bottom positioning dimples are evenly
spaced from boiler front and back, while side
pattern to compensate for Phantom boiler model
variable depth.
d. Position the upper boiler on top of the bottom
with each other.
onto the upper boiler left side panel, at the
panel lower left corner and align bracket two
upper holes with corresponding side panel
lower dimples.
with a matching bottom boiler left side panel
top positioning dimple.
top and bottom boiler left side panels with
the mounting screws.
e. Repeat above procedure to install second
stacking boiler attachment bracket and secure the
stacked boiler right side panels together at the
front right corner.
f. Install the third stacking boiler attachment
bracket to secure top and bottom boiler left side
panels at the rear left corner. Align the bracket
holes with corresponding positioning dimples in
the top boiler and bottom boiler left side panels,
then secure bracket with the screws.
g. Repeat above procedure to install the fourth
stacking boiler attachment bracket to secure
stacked boiler right side panels at the rear right
corner.
3. When installing stackable boiler combinations
observe the following guidelines:
a. Venting - Top and bottom boilers must have their
individual vent piping and vent terminals.
WARNING
For sidewall venting individual model vent
terminals must terminate no closer than 12
in. (300 mm) horizontally and 3 ft. (900 mm)
vertically from each other in order to prevent
combustion air contamination. For vertical
through the roof venting, individual vertical
vent terminals, if level with each other, must
be spaced no closer than 12 in. (300 mm)
horizontally. If vertical terminals cannot end in
one plane, they must be spaced no closer than 3
ft. (900 mm) horizontally.
Follow instructions in Section IV “Venting”
vent termination. Follow instructions in Section
V “Condensate Disposal” for each individual
condensate disposal. Terminating individual
boiler condensate lines into common pipe prior
to drain disposal is permissible, providing
to handle combined condensate volume of
stackable combination.
b. Gas Piping - Follow instructions in Section
12
G. General (continued)
VII “Gas Piping” of the manual for sizing
and installation of an individual boiler. When
common gas piping is sized, insure it will
have adequate capacity for combined input
combination.
c. Water Piping and Trim - Follow instructions
in Section VI “Water Piping and Trim” of the
manual for system piping and boiler secondary
piping selection/sizing based on combined
heating capacity and/or gross output of the
selected stackable boiler combination. Follow
instructions of Section VI “Water Piping
and Trim” for each individual boiler trim
installation.
d. Electrical - Follow instructions in Section VIII
“Electrical” of the manual to wire individual
boilers.
13
A. General Guidelines
1. Listed Vent/Combustion Air Systems
a. Install vent system in accordance with National
Fuel Gas Code, ANSI Z223.1/NFPA 54 or
Natural Gas and Propane Installation Code,
CAN/CSA B149.1 Installation Code for Canada,
or, applicable provisions of local building codes.
restrictions and installation inspection in your
area.
b. The Phantom is a Direct Vent (sealed
combustion) boiler. Combustion air must be
supplied directly to the burner enclosure from
outdoors.
c. The following combustion air/vent system
options are listed for use with the Phantom
boilers (refer to Table 4):
i. Two-Pipe CPVC/PVC Vent/Combustion
Air System - Separate CPVC/PVC pipe
serves to expel products of combustion and
separate PVC pipe delivers fresh outdoor
details.
ii. Two-Pipe Polypropylene Vent/Combustion
polypropylene pipe serves to expel
products of combustion and separate rigid
polypropylene or PVC pipe delivers fresh
outdoor combustion air. Refer to Part C for
iii. Two-Pipe Stainless Steel Vent/Combustion
Air System - Separate stainless steel pipe
serves to expel products of combustion
and separate PVC or galvanized steel pipe
delivers fresh outdoor combustion air. Refer
2. Vent/Combustion Air Piping
a. Do not exceed maximum vent/combustion air
lengths listed in Table 5. Vent/combustion air
length restrictions are based on equivalent length
of vent/combustion air pipe (total length of
Do not include vent/combustion air terminals
in equivalent feet calculations. Use vent/
combustion air equivalent length worksheet
provided in Table 6B.
b. Maintain minimum clearance to combustible
materials. See Figure 2 for details.
c. Enclose vent passing through occupied or
unoccupied spaces above boiler with material
resistance rating requirement may not need to be
met, but is recommended.
WARNING
Natural Gas and Propane
Installation Code
14
A. General Guidelines (continued)
Factory Standard
Two-Pipe,
CPVC/PVC Vent and
PVC Air Intake
CPVC/PVC
Horizontal
Standard
pipe and PVC air intake pipe terminating
piping and separate terminals (tees).
4, 5
7A
B.
Optional
Snorkel
terminals.
4, 6A, 6B
7B
Optional
Vertical
Vertical
pipe and PVC air intake pipe terminating
separate vertical terminals.
13 7C
Two-Pipe, Rigid
Polypropylene Vent (or
venting only) and Rigid
Polypropylene or PVC
Pipe Air Intake
Rigid
Polypropylene
Polypropylene
Venting only)
Horizontal
Standard
Polypropylene vent pipe and Rigid
Polypropylene or PVC air intake pipe
piping and separate terminals (tees).
4, 5
9, 12, 14 10A, 10B
C.
Optional Snorkel
terminals.
4, 6A, 6B
9, 12, 14 10A, 10B
Optional
Vertical
Vertical
Polypropylene vent liner and Rigid
venting and Rigid Polypropylene or PVC
and air intake and separate terminals.
14, 15 10A, 10B
Two-Pipe,
Stainless Steel Vent and
PVC/Galvanized Steel
Air Intake
Stainless Steel
Horizontal
Standard
steel vent pipe and PVC/galvanized
terminals.
4, 5
9, 12, 16
11A, 11B D.
Optional Snorkel
terminals.
4, 6A, 6B
9, 12, 16
Vertical
roof)
steel vent pipe and PVC/galvanized
vent and air intake piping and separate
terminals.
16
PHNTM399 4 in.
(100 mm or 110 mm)
2.5 ft.
(760 mm)
100 ft.
(30.5 m)
4 in.
(100 mm or 110 mm)
2.5 ft.
(760 mm)
100 ft.
(30.5 m)
PHNTM500
15
A. General Guidelines (continued)
d. Slope horizontal vent pipe minimum 1/4 in/ft
(21 mm/m) downward towards the boiler.
Les chaudières de catégories I, II et IV doivent
présenter des tronçons horizontaux dont la pente
montante est d’au moins 1/4 po par pied (21
mm/m) entre la chaudière et l’évent.
e. If possible, slope horizontal combustion air
pipe minimum 1/4 in/ft (21 mm/m) downward
towards terminal. If not, slope towards boiler.
f. Use noncombustible ¾ in. pipe strap to support
horizontal runs and maintain vent location and
slope while preventing sags in pipe. Do not
restrict thermal expansion or movement of vent
system. Maximum support spacing 4 ft. (1.2 m).
Avoid low spots where condensate may pool.
Do not penetrate any part of the vent system with
fasteners.
Les instructions d´installation du système
d´évacuation doivent préciser que les sections
horizontales doivent être supportées pour
13 ft. (4.0 m)
4.5 ft. (1.4 m)
Les instructions divent aussi indiquer les
renseignements suivants:
les chaudières de catégories II et IV doivent être
installées de façon à empêcher l´accumulation de
condensat: et
si nécessaire, les chaudières de catégories II et IV
doivent être pourvues de dispositifs d´évacuation
du condensat.
g. For multiple boiler installations with vertical
roof terminals, separate vent pipes from multiple
boilers may be piped through a common conduit
or chase so that one roof penetration may be
made.
3. Vent/Combustion Air Terminals
Install venting system components on exterior
instructions (refer to Figure 4).
16
A. General Guidelines (continued)
a. Use only listed vent/combustion air terminals.
i. Horizontal Sidewall Venting: Use tee
terminals for both vent and combustion air
as shown in Figure 5. Alternate snorkel
terminations are shown in Figure 6A and
Figure 6B.
ii. Vertical Roof Venting: Use straight
coupling on vent and two 90° elbows turned
downwards for combustion air as shown in
Figure 7 and Figure 8.
b. Maintain correct clearance and orientation
between vent and combustion air terminals.
i. Space centerlines of vent and combustion
air terminals minimum 12 in. (300 mm)
apart. More than 12 in. (300 mm) spacing is
recommended.
ii. If possible, locate vent and combustion
air terminals on the same wall to prevent
nuisance shutdowns. If not, boiler may
be installed with roof vent terminal and
sidewall combustion air terminal.
Nominal Diameter Quantity
(Pc)
Equivalent
Equivalent
Nominal Diameter Quantity
(Pc)
per Pc
Equivalent
4 in.
(100 mm or 110 mm) 13 ft. (4.0 m) 4 in.
(100 mm or 110 mm) 1 13 ft. (4.0 m) 13 ft. (4.0 m)
Nominal Diameter Quantity
(Pc)
Equivalent
Equivalent
Nominal Diameter Quantity
(Pc)
per Pc
Equivalent
4 in.
(100 mm or 110 mm) 4.5 ft. (1.4 m) 4 in.
(100 mm or 110 mm) 13 ft. (4.0 m)
Nominal Diameter
Quantity
ft or m
Equivalent
ft/ft or m/m
Equivalent
Nominal Diameter
Quantity
ft or m
ft/ft or m/m
Equivalent
4 in.
(100 mm or 110 mm) 14 in.
(100 mm or 110 mm) 4.5 ft. (1.4 m)
*
is 48 ft. (14.6 m).
Nominal Diameter
Quantity
ft or m
ft/ft or m/m
Equivalent
4 in.
(100 mm or 110 mm)
2.5 ft.
(0.76 m) 12.5 ft.
(0.76 m)
Nominal Diameter
Quantity
ft
ft/ft
Equivalent
4 in.
(100 mm or 110 mm) 1
17
e. Do not install vent terminal directly above
windows or doors.
f. Locate bottom of vent terminal at least 3 ft. (900
mm)above any forced air inlet located within 10
ft. (3.0 m).
g. If window and/or air inlet is within 4 ft. (1.2 m)
of an inside corner, maintain at least 6 ft. (1.8 m)
spacing between terminal and adjoining wall of
inside corner.
h. Locate bottom of vent terminal at least 7 ft.
(2.1 m) above a public walkway.
i. Maintain minimum clearance of at least 4 ft.
(1.2 m) [3 ft. (900 mm)in Canada] horizontally
between vent terminal and gas meters, electric
meters, regulators, and relief equipment. Do
not install vent terminal above or below this
equipment.
j. Do not locate the vent terminal under decks or
similar structures.
k. Top of terminal must be at least 24” below
ventilated
no case may the overhang exceed 48”. Where
permitted by the authority having jurisdiction
and local experience, the terminal may be located
closer to unventilated
vertical separation depends upon the depth of the
l. Maintain minimum 12 in. (300 mm) horizontal
spacing between vent terminal and a building
corner.
may condense, and possibly freeze, on objects
around the terminal including on the structure
itself. If these objects are subject to damage by
protected.
A. General Guidelines (continued)
iii. When installed on the same wall, locate
vent terminal at same height or higher than
combustion air terminal.
iv. When using tee terminals, do not locate vent
terminal directly above air intake as dripping
condensate may freeze on and block intake.
c. Locate bottom of vent and combustion air
terminals 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.
d. Locate vent and combustion air terminals at
least 12 in. (300 mm) from any door, window, or
gravity inlet into the building.
18
A. General Guidelines - B. CPVC/PVC Venting (continued)
n. If possible, install the vent and combustion air
terminals on a wall away from the prevailing
wind. Reliable operation of this boiler cannot be
guaranteed if terminals are subjected to winds in
excess of 40 mph (64 km/hr).
o. Do not locate combustion air terminal in areas
that might contain combustion air contaminates,
such as near swimming pools.
p. For multiple boiler installations with horizontal
wall terminals, maintain minimum 12 in.
(300 mm) horizontal distance between adjacent
boiler vent terminals. Maintaining greater
spacing is recommended to avoid frost damage
to building surfaces where vent terminations are
placed.
q. For multiple boiler installations with vertical
roof terminals, maintain minimum 12 in.
(300 mm) horizontal distance between adjacent
boiler vent terminals.
B. CPVC/PVC Venting
WARNING
B. CPVC/PVC Venting (continued)
230804 (Qty. 2)
N/A
Stainless Steel Rodent Screen 230834 (Qty. 2)
230824
230814
CPVC/PVC Connector
CPVC/PVC Connector Gasket
1. Components
a. See Table 7A for CPVC/PVC vent and
combustion air components included with boiler.
b. See Table 7B for CPVC/PVC installer provided
vent and combustion air components required for
optional horizontal snorkel terminals shown in
Figure 6B.
c. See Table 7C for CPVC/PVC installer provided
vent and combustion air components required
for optional vertical roof terminals shown in
Figure 7.
2. Field Installation of CPVC/PVC Two-Pipe
Vent System Connector
Refer to Figure 9 and following steps:
2
4
2
N/A
a. Position the CPVC/PVC vent connector and
gasket onto boiler rear panel and insert vent
connector inner stainless steel vent pipe into heat
exchanger vent outlet.
b. Align vent connector plate and gasket clearance
holes with rear panel engagement holes. Then,
secure the connector and gasket to the panel with
six mounting screws.
(taped to boiler rear panel) female connectors to
the sensor male spade terminals. Failure to do
so will prevent boiler from starting and boiler
Fault (see Section XII “Troubleshooting” for
details).
20
B. CPVC/PVC Venting (continued)
1
2
1
N/A
3. Near-Boiler Vent/Combustion Air Piping
Refer to Figure 10 and the following Steps:
a. Apply supplied dielectric grease (grease pouch
attached to two-pipe vent connector) to gasket
WARNING
inside vent section of 4 in. x 4 in. two-pipe
vent connector. The grease will prevent gasket
rupture when inserting vent pipe and gasket
deterioration due to condensate exposure.
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