Lochinvar FBN1500 User Manual

CREST



COMMERCIAL BOILER

Submittal Sheet

FBN-Sub-03a

CREST COMMERCIAL CONDENSING BOILER

JOB NAME ______________________________________________________________________
LOCATION ______________________________________________________________________
ARCH./ENGR.____________________________________________________________________
WHOLESALER __________________________________________________________________
MECH. CONTRACTOR ___________________________________________________________
MODEL NO. _____________________________________________________________________
TYPE GAS ______________________________________________________________________
Btu/hr INPUT_____________________________________________________________________
Btu/hr OUTPUT___________________________________________________________________
NOTES

Smart Touch™ Features

> SMART TOUCH™ Touchscreen Operating Control
> Full-Color 8” Touchscreen LCD Display
> Built-in Cascading Sequencer for up to 8 Boilers

> Cascade Multiple Sized Boilers
> Lead/Lag Cascade
> Efficiency Optimized Cascade

> Front-End Loading Capability with CopperFin II and

Powerfin Boilers

> Building Management System Integration with

0-10 VDC Input
> Modbus Communications
> Outdoor Reset Control with Outdoor Air Sensor
> Password Security

Domestic Hot Water Prioritization
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
Hours Running, Modulation Rate
Ignition Attempts
Last 10 Lockouts

> Programmable System Efficiency Optimizers

Night Setback
Anti-Cycling
Outdoor Air Reset Curve
Ramp Delay
Boost Temperature & Time

> Three Pump Control

System Pump
Boiler Pump
Domestic Hot Water Pump

> High-Voltage Terminal Strip

120 VAC / 60 Hertz / 1 Phase Power Supply

(FB1500-3500)

208 VAC / 60 Hertz / 3 Phase Power Supply

(FB4000-5000)
System Pump, Boiler Pump and DHW Pump

Power

> Low-Voltage Terminal Strip

24 VAC Auxiliary Device Relay
Auxiliary Proving Switch Contacts
Alarm on Any Failure Contacts
Runtime Contacts
DHW Thermostat Contacts
Unit Enable/Disable Contacts
System Sensor Contacts
DHW Tank Sensor Contacts
Outdoor Air Sensor Contacts
Cascade Contacts
0-10 VDC BMS External Control Contact

Standard Features

Up to 93% Thermal Efficiency (AHRI)
Up to 99% Thermal Efficiency in Low

Temperature Applications
Modulating Burner with up to 25:1 Turndown
Direct-Spark Ignition
Low-NOx Operation
Sealed Combustion
Low Gas Pressure Operation
Vertical or Horizontal Venting
Category IV Venting up to 100 Feet
ASME “H” Stamped Heat Exchanger
316L Stainless Steel Fire Tubes
160 psi Working Pressure
On/Off Switch
Adjustable High Limit with Manual Reset
Low Water Cutoff with Manual Reset & Test
High & Low Gas Pressure Switches w/Manual Reset
Low Air Pressure Switches
Condensate Trap w/ Blocked Drain Switch

Drain Valve
System Sensor
Outdoor Air Sensor
Inlet & Outlet Temperature Sensors
High Voltage Terminal Strip
Low Voltage Terminal Strip
Downstream Gas Test Cocks

50 psi ASME Relief Valve
Temperature & Pressure Gauge
Zero Clearances to Combustible Materials
10-Year Limited Warranty (See Warranty for

Details)

1-Year Warranty on Parts (See Warranty for

Details)

Optional Equipment

Alarm Bell
BMS Gateway - BACnet or LonWorks
Condensate Neutralization Kit
SMART TOUCH PC Software
Common Vent Kits (Consult Factory on FB4000 and 5000)
Dual Fuel Gas Train*
Electrical Options (Shipped Loose):

208V/3Ø/60Hz (Models FB1500-3500 only)
480V/3Ø/60Hz

600V/3Ø/60Hz

*(Available on FB1500-3500

Coming Soon on FB4000-5000)

Codes & Registrations

ANSI Z21.13/CSA Certified
ASME certified, “H” Stamp / National Board
California Code Compliant
CSD1 / Factory Mutual / GE Gap Compliant
South Coast Air Quality Management

District Qualified
Canadian Registration Number (CRN)
AHRI Certified

CREST Commercial Boiler Dimensions & Specifications

H

HIGH
VOLTAGE

DRAIN

J

K

SIDE

Crest Heating Boiler Dimensions and Specifications

Model Input Input AHRI NET
Number MBH MBH Thermal Output I=B=R Turndown
Min. Max. % MBH MBH

FBN1500 60 1,500 92.0% 1,380 1,200 25:1
FBN2000 80 2,000 92.0% 1,840 1,600 25:1
FBN2500 125 2,500 92.0% 2,300 2,000 20:1
FBN3000 150 3,000 92.0% 2,760 2,400 20:1
FBN3500 200 3,500 92.0% 3,220 2,800 18:1
FBN4000 335 4,000 93.0% 3,720 3,235 12:1
FBN5000 500 5,000 93.0% 4,650 4,043 10:1

Notes: Indoor installation only. All information subject to change. Change "N" to "L" for LP gas models. Low NOx on FB2500 - FB5000 models, consult factory.
*Turndown rate reduced on LP gas models.

WATER
OUTLET

WATER
INLET

LOW
VOLTAGE

*

RELIEF
VALVE

4" FLG
OUTLET

80"

66-5/8"

4" FLG
INLET

11"

8"

CONDENSATE
DRAIN

14-7/8"

DRAIN

10 -1/4"

BACK

Gas Air Vent Operating Shipping
A B C D E F G H J K Conn. Inlet Size Wt. (lbs.) Wt. (lbs.)

VENT

B

C

D

E

G

A

TOP

30 3/4” 71-1/2” 65-3/4” 14-3/8” 22-3/8” 8-1/2” 25-1/4” 8-1/8” 72-5/8” 77-5/8” 1-1/2” 7” 7” 2,496 1,900
30 3/4” 71-1/8” 65-1/8” 14-7/8” 22-3/8” 8-1/4” 25-3/8” 9-5/8” 71-7/8” 76-7/8” 1-1/2” 8” 8” 3,054 2,150
34 1/4” 76-3/8” 70-1/4” 17-3/4” 26-1/8” 9-3/4” 27-3/8” 11-3/8” 78” 83” 2” 8” 9” 3,652 2,560
40 1/2” 83-5/8” 76-3/8” 17-3/8” 31-3/8” 9-7/8” 34-3/4” 11-1/2” 82-1/8” 87-1/8” 2” 10” 10” 4,126 2,920
40 1/2” 83-1/4” 75-5/8” 17-1/4” 31-3/8” 9-7/8” 34-3/4” 12-7/8” 81-1/8” 86-1/8” 2” 10” 10” 4,744 3,225
53-1/2” 109” 100-3/4” 31-1/4” 40-3/4” 14-1/2” 45-3/4” 12-3/4” 109-1/4” 108-1/4” 2-1/2” 12” 12” 6,900 4,750
53-1/2” 109” 100-3/4” 28” 40-3/4” 11” 45-1/2” 12-3/4” 109-1/4” 108-1/4” 2-1/2” 14” 14” 8,000 5,550

LOW
VOLTAGE

HIGH
VOLTAGE

AIR

GAS

F

Venting Options

Direct Vent Vertical

Direct Vent Horizontal

Vertical Vent with Sidewall Air Intake

Sidewall Vent with Rooftop Air Intake

Vertical Vent with Optional Room Air

Sidewall Vent with Optional Room Air

Lochinvar, LLC • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]

www.Lochinvar.com

7/12—Printed in U.S.A.