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: 615-547-1000
www.Lochinvar.com
7/12—Printed in U.S.A.
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