H I G H E F F I...

H I G H   E F F I...
HIGH EFFICIENCY COMMERCIAL BOILERS
OPERATING CONTROL FEATURING
A BUILT-IN CASCADING SEQUENCER
UP TO 87% THERMAL EFFICIENCY
500,000 TO 2,000,000 BTU/HR
MODELS AVAILABLE IN 100% ON/OFF,
2:1 TURNDOWN OR 5:1 TURNDOWN
LESS THAN 10 ppm NOx
Up to 87%
Thermal Efficiency
L o c h i n v a r .c o m
Venting Solutions
Power-Fin features flexible two-pipe, independent air inlet and exhaust vent
A Symbol of Lochinvar’s Commitment to Excellence!
Control Features
piping. When equipped with 100% ON/OFF (F Models) Firing Controls (502 -
Built-in cascading sequencer controls up to 8 units
utilizes Category I, Type B vent material and is ideal for replacement/retrofit
1302), 2:1 (B Models) Modulating Firing Controls (1501 - 2001), the Power-Fin
applications with an existing vent stack. When equipped with 5:1 (M Models)
Cascade compatibility with Crest Condensing Boiler to
create a Front End Loading System
In 1986, Power-Fin® redefined the water heating industry with space-saving
Modulating Firing Controls, (502 - 2001) the Power-Fin requires Category IV,
corrosion-resistant, sealed vent pipe. Category IV models provide more venting
DirectAire Vert
Using Category I or IV Ve
Using Category I (B-Vent)
Using Category
IV Vent Materials
flexibility and expanded turndown.
In addition,
(M Models) Modulating units or
may
Category IV Vent Materials
2-line 16-character LCD readout of setup, system
status and diagnostic data in words, not codes
later, we’re again raising the standard for innovation, reliability and
be installed as Category II appliances, allowing multiple units to be manifolded
together into a common vent stack – giving you even more design options!
LEED-conscious design.
3-pump control for operation of boiler pump,
system pump, domestic hot water prioritization pump
The latest generation of Power-Fin offers expanded burner modulation and
the advanced SMART SYSTEM™ operating control, including a built-in
cascading sequencer for up to eight boilers.
Low-Voltage terminal strip with 28 points of connection
In today’s market, sophisticated, versatile control systems and equipment
Outdoor reset adjusts setpoint based on a reset curve
that meets “green building” criteria are increasingly in demand. Power-Fin
boilers continue to evolve, with new “Built-in Advantages” from
First Power-Fin in 1986
Infinite Modulation
0-10 Vdc BMS input for easy integration into
Building Management Systems
With thermal efficiencies up to 87%, Power-Fin boilers feature infinitely modulating burner
firing rates (turndown), precisely matching the firing rate to heating load requirements.
The result is better overall efficiency and less cycling.
Optional SMART SYSTEM PC software for
advanced setup and diagnostics
Power-Fin boilers may be specified as either 5:1 turndown (502 - 2001),
2:1 turndown (1501 - 2001), or 100% ON/OFF (502 - 1302). With 5:1 turndown the burner
fires as low as 20% of maximum input when demand is lowest and increases the firing
rate up to 100% as demand increases. Models with 2:1 turndown modulate from 50% to
100% of maximum input.
Using Category I (B-Vent)
Vertical
or Category IVVenting
Vent Materials
Using Category I or Category IV
vent materials
Rooftop
Air Inlet
Option
Gasketless Heat Exchanger
Sidewall Venting
Vertical Venting
Using Category IV Vent
UsingMaterials
Category I (B-Vent)
or Category IV Vent Materials
Direct Vent
Using Category IV Vent Materials
The Power-Fin heat exchanger features an array of 20 or 24 copper-finned tubes surrounding
the burner for maximum heat transfer. Lochinvar also pioneered the “gasketless”
heat exchanger, which eliminates the use of O-rings and gaskets. Because of the
time-proven reliability of this design, the Power-Fin heat exchanger is backed by a
10-year limited warranty.
Rooftop
Air Inlet
Option
Room
Air Inlet
Option
Direct Venting*
Sidewall Venting*
Vertical Venting
Using Category I (B-Vent)
or Category IV Vent Materials
Sidewall Venting
Using Category IV Vent Materials
Direct Vent
Using Category IV Vent Materials
DirectAire Vertical Direct Vent Rooftop
Sidewall Venting
Inlet
Using
Category I or IV
VentCategory
MaterialsIV VentAir
Using
Materials
Using Category IV Vent
Materials
Option
Vertical Venting
Direct Vent
Using Category IV Vent Materials
Compatibility with hot water generators – one boiler
in the system can be assigned for domestic hot water
Direct Vent
prioritization (dhwp) to meet domestic water
demand
Using Category IV Vent Materials
Lochinvar.
The vertical heat exchanger also makes Power-Fin compact and easy to handle, install
and service. All access for installation or service is through the front or back, and
multiple units can line up side-by-side with zero clearance to combustibles.
Vertical Venting
Direct Vent
design, groundbreaking efficiency and venting flexibility. Twenty years
Sidewall
Air Inlet
Option
Negative Draft Venting
Through Common Stack
Using Category
II Vent
Materials
Room
Sidewall
DirectAire
Vertical
Air
Inlet
Air IInlet
Using
Category
or IV Vent Materials
Option
Option
DirectAire Vertical*
Negative Vertical
Draft Venting
venting up to 50 equivalent
Through Common Stack
feet.
Draws
combustion air up to
Using Category
II Vent
Materials
Vertical Venting
50 ft. fromUsing
a different
pressure
Category
I (B-Vent)
or Category
IV Vent
Materials
zone using
Category
I or IV
vent
materials.
zero clearance
to combustibles
Lead-Lag Rotation
Rooftop
Every 24 hours, the SMART
SYSTEM
on"
Sidewall
Ventingautomatically shifts the "first
Using Category IV Vent Materials
Air Inlet
Option
boiler role to the next unit in the sequence. This rotation ensures
Room
Air Inlet
Option
Sidewall
Air Inlet
Option
DirectAire Horizontal
Using Category IV Vent Materials
DirectAire HorizontalSidewall Venting
Using Category IVUsing
Vent Materials
Category IV Vent Materials
DirectAire Horizontal
Using Category IV Vent Materials
DirectAire Horizontal*
Vents horizontally up to 50 equivalent feet.
Draws combustion air up to 50 ft. from a
DirectAire Vertical
different pressureUsing
zoneCategory
using Category
IVMaterials
I or IV Vent
vent materials. This option only available
with 5:1 (M) firing code models.
Vents multiple units horizontally
through one vent termination and draws
combustion air from the room, roof or
sidewall. Category IV to II conversion kit
required with (M) firing code models.
Negative Draft Venting
Through
Common Stack
long life by distributing “lead-lag” run times equally over each unit
in
Using Category II Vent Materials
the system.
Sidewall Venting
Using Category IV Vent Materials
Rooftop
Air Inlet
Room
Air Inlet
Sidewall
Air Inlet
DirectAire Horizontal
*Requires
factory-supplied
kit with M firing code models. Using Category IV Vent Materials
Option
Option vent
Option
See Specification Chart for specific venting sizes based on venting materials category type.
Negative Draft Venting
Through Common Stack
Using Category II Vent Materials
Sidewall
Air Inlet
Option
DirectAire Horizo
Vertical Venting
Using Category IV Ven
Using Category I (B-Vent)
or Category IV Vent Materials
Horizontal or vertical vent-Negative Draft Venting
Horizontal venting up to 50
Through Common Stack
ing up to 50 equivalent feet.
equivalent feet using Category
Using Category II Vent Materials
DirectAire Vertical
Draws combustion air from
IV vent Using
materials.
ThisI or
option
Category
IV Vent Materials
the same pressure zone using
only available with 5:1 (M)
Category IV vent materials.
firing code models.
This option only available with
5:1 (M) firing code models.
Common Venting*
23-1/4" (502 - 1302)
27-1/4" (1501 - 2001)
Room
Air Inlet
Option
Rooftop
Air Inlet
Option
Room
Air Inlet
Option
Sidewall
Air Inlet
Option
Negative Draft Venting
Through Common Stack
Using Category II Vent Materials
Featuring the First Built-in
Cascading Sequencer!
In commercial buildings requiring a multiple-boiler system,
A Symbol of Lochinvar’s Commitment to Excellence!
modulating operation of individual units should be sequenced
so that the system functions efficiently as an integrated whole.
In 1986, Power-Fin® redefined the water heating industry with space-saving
Sequencing rotates the system regularly and efficiently so that
design, groundbreaking efficiency and venting flexibility. Twenty years
every unit handles an equal amount of boiler run time.
later, we’re again raising the standard for innovation, reliability and
LEED-conscious design.
The latest generation of Power-Fin offers expanded burner modulation and
the advanced SMART SYSTEM™ operating control, including a built-in
cascading sequencer for up to eight boilers.
In today’s market, sophisticated, versatile control systems and equipment
that meets “green building” criteria are increasingly in demand. Power-Fin
boilers continue to evolve, with new “Built-in Advantages” from
Lochinvar.
First Power-Fin in 1986
Power-Fin is the first modulating boiler with a built-in cascading
®
Infinite Modulation
sequencer for up to 8 units. This integral component of the new
With thermal efficiencies up to 87%, Power-Fin boilers feature infinitely modulating burner
firing rates (turndown), precisely matching the firing rate to heating load requirements.
The result is better overall efficiency and less cycling.
SMART SYSTEM control eliminates the initial cost and labor
™
required with installation of a separate sequencer. And because
it’s engineered specifically for Power-Fin, it removes any
Power-Fin boilers may be specified as either 5:1 turndown (502 - 2001),
2:1 turndown (1501 - 2001), or 100% ON/OFF (502 - 1302). With 5:1 turndown the burner
fires as low as 20% of maximum input when demand is lowest and increases the firing
rate up to 100% as demand increases. Models with 2:1 turndown modulate from 50% to
100% of maximum input.
uncertainty about using a “third-party” sequencer, to ensure
precise, dependable cascading operation.
When utilizing the built-in cascading sequencer, Power-Fin
Boilers communicate through a simple 2-wire daisy chain
Gasketless Heat Exchanger
connection. On demand, one boiler in the system functions as
The Power-Fin heat exchanger features an array of 20 or 24 copper-finned tubes surrounding
the burner for maximum heat transfer. Lochinvar also pioneered the “gasketless”
heat exchanger, which eliminates the use of O-rings and gaskets. Because of the
time-proven reliability of this design, the Power-Fin heat exchanger is backed by a
10-year limited warranty.
The vertical heat exchanger also makes Power-Fin compact and easy to handle, install
and service. All access for installation or service is through the front or back, and
multiple units can line up side-by-side with zero clearance to combustibles.
the lead unit and modulates with demand to capacity. The
additional load then “cascades” to the second boiler, which
fires and modulates to meet added demand.
Cascading continues as additional boilers fire in sequence,
23-1/4" (502 - 1302)
27-1/4" (1501 - 2001)
zero clearance
to combustibles
until all units are in operation or demand is satisfied. When
demand drops, the cascading process reverses, with the
precision control and performance you expect from Lochinvar.
Power-Fin Boiler Dimensions and Specifications
®
J
Model Number Guide
PB
N
1501
M9
ols
ntr
Co
ng
Firi
ut
Inp
/hr
Btu
as
al G
tur
Na
l
de
Mo
Power-Fin Boiler,
K
Natural Gas,
1,500,000 Btu/hr input,
M
M9 firing controls
B
G
N
C
P
Power-Fin Boiler
L
Dimensions and Specifications
(B)/(F)
Net AHRI
(M)
Net AHRI
Model InputThermalOutput
RatingThermalOutputRating (B)/(F) (M)
Number MBHEfficiency MBH MBHEfficiency MBH MBH
A
B
C
D
E
E
F
G
PBN0502
500
85.0%
425
370
85.0%
425
370
44-1/2” 28-1/2” 23-1/4” 34”
17-3/4” 19-1/2” 6-1/2”
6”
PBN0752
750
85.0%
638
554
85.0%
638
554
52”
28-1/2” 23-1/4” 41-1/2” 17-3/4” 19-1/2” 6-3/4”
6”
PBN1002
999
85.0%
850
739
85.0%
850
739
59-1/4” 28-1/2” 23-1/4” 48-3/4” 17-3/4” 19-1/2” 7-1/4”
6”
PBN1302
1,300
85.0%
1,105
961
85.0%
1,105
961
67-3/4” 28-1/2” 23-1/4” 57-1/4” 17-3/4” 19-1/2” 8-1/4”
6”
PBN1501 1,500 84.0% 1,260 1,096
85.0% 1,275 1,109
65-1/2” 29-3/4” 27-1/4”58-3/4” 21”
21” 13-1/2”
8”
PBN1701 1,700 84.0% 1,428 1,242
85.0% 1,445 1,257
70”
29-3/4” 27-1/4”63-1/4” 21”
21” 13-1/2”
8”
PBN2001 2,000 84.0% 1,680 1,461
85.0% 1,700 1,478
76-3/4” 29-3/4” 27-1/4”70”
21”
21” 13-1/2”
8”
Vent Sizes
Shipping
Model
(B)/(F)
(M)
Gas
Air
(B)/(F)
(M)*
(M)
Wt.
NumberH J
K
L
M
N
P
P
Conn.
Inlet
Cat I
Cat II
Cat IV
(lbs)
PBN0502
8”
7-3/4”
23”
11-1/2”
11-1/4”
17-1/2”
15-1/4”
15-1/4”
1”
5”
7”
7”
4”
505
PBN0752
8”
7-3/4” 30-1/2”
11-1/2”
11-1/4”
17-1/2”
15-1/4”
15-1/4”
1-1/4”
5”
9”
9”
5”
554
PBN1002 8” 7-3/4”37-3/4” 11-1/2” 11-1/4” 17-1/2” 15-1/4” 15-1/4” 1-1/4” 6” 10” 10”
6”
603
PBN1302 8” 7-3/4”46-1/4” 11-1/2” 19-1/2” 17-1/2” 15-1/4” 15-1/4” 1-1/4” 6” 12” 12”
8”
652
PBN1501
10”
9-1/2” 43-1/2”
5-3/4”
22-1/4”
21-1/2”
24-1/2”
19-1/2”
1-1/2”
6”
12”
8”
6”
1,065
PBN1701
10”
9-1/2”
48”
5-3/4”
25”
21-1/2”
24-1/2”
19-1/2”
1-1/2”
7”
14”
9”
7”
1,100
PBN2001
10”
9-1/2” 54-3/4”
5-3/4”
27-1/2”
21-1/2”
24-1/2”
19-1/2”
1-1/2”
8”
14”
10”
8”
1,127
Notes: Change ‘N’ to ‘L’ for LP Gas Model.
Standard Features
> Up to 87% Thermal Efficiency (M)
> Up to 85% Thermal Efficiency (B/F)
> Modulating Burner with 5:1 Turndown
Hot Surface Ignition
Low NOx Operation
Sealed Combustion
Low Gas Pressure Operation
> Vertical & Horizontal Venting
Venting up to 50 Feet
Category I or Category IV Venting
Cat IV converts to Cat II
w/ optional vent kit
> ASME Copper-Finned Tube
Heat Exchanger
ASME Certified, “H” Stamped
Gasketless design
160 psi working pressure
On/Off Switch
Adjustable High Limit w/ Manual Reset
Flow Switch
Low Air Pressure Switch
Downstream Test Cocks
50 psi ASME Relief Valve
Combustion Air Filtration
Temperature & Pressure Gauge
Zero Clearances to Combustible Material
1 Year Warranty on Parts
10 Year Limited Warranty
(See Warranties for Details)
No deration on LP models.
All water connections are 2-1/2”
Smart System Features
> SMART SYSTEM Operating Control
2 line, 16 Character Display
Dual Level Password Security
Domestic Hot Water Prioritization
Built in Cascading Sequencer
for up to 8 Boilers
Building Management System
Integration with 0-10 VDC Input
Outdoor Reset Control
with Outdoor Air Sensor
Low Water Flow Safety Control & Indication
Inlet & Outlet Temperature Readout
Freeze Protection
Service Reminder
Time Clock
> Data Logging
Hours Running, Space Heating
Hours Running, Domestic Hot Water
Ignition Attempts
Last 10 Lockouts
> Programmable System Efficiency
Optimizers
Night Setback
Anti-Cycling
Outdoor Air Reset Curve
Ramp Delay
Boost Temperature & Time
*w/CAT II conversion kit
>Three Pump Control
System Pump
Boiler Pump
Domestic Hot Water Pump
> High Voltage Terminal Strip
120 VAC / 60 Hertz / 1 Phase
Power Supply
Three sets of Pump Contacts
with Pump Relays
> Low Voltage Terminal Strip
24 VAC Auxiliary Device Relay
Auxiliary Proving Switch Contacts
Flow Switch Contacts
Alarm on Any Failure Contacts
Runtime Contacts
DHW Thermostat Contacts
Room Thermostat Contacts
System Sensor Contacts
DHW Tank Sensor Contacts
Outdoor Air Sensor Contacts
Cascade Contacts
0-10 VDC BMS External
Control Contact
Registered under
U.S. Patent #7,506,617
Firing Control Systems
M Indicates 5:1 Turndown, Category IV
B Indicates 2:1 Turndown, Category I
F Indicates 100% On/Off Fire, Category I
M9 Standard
B9 or F9 Special Order,
Factory Trimmed
M7, B7 or F7 California Code
M13, B13 or F13 CSD1/FM/GE Gap
Optional Equipment
Alarm Bell
MODBUS Communication
BMS Gateway to LON or BacNet
Cupro-Nickel Heat Exchanger
High & Low Gas Pressure Switches
w/ Manual Reset
Low Water Cutoff
w/ Manual Reset & Test
SMART SYSTEM PC Software
Vent Kits:
- Horizontal Exhaust Cap
- Horizontal Air Intake Cap
- Horizontal Direct Vent Kit
- Category IV to Category II
Conversion Kit
Lochinvar, LLC
300 Maddox Simpson Parkway
Lebanon, Tennessee 37090
P: 615.889.8900 / F: 615.547.1000
Lochinvar.com
PBX-03 (Revised PBX-03 12/13)
PDP - 5M-1/16 - Printed in U.S.A.
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