Lochinvar FBD2500 User Manual

CREST

COMMERCIAL BOILER

Submittal Sheet

FBN-Sub-06

CREST COMMERCIAL CONDENSING BOILER

JOB NAME ______________________________________________________________________ LOCATION ______________________________________________________________________ ENGINEER_______________________________________________________________________ WHOLESALER __________________________________________________________________ CONTRACTOR __________________________________________________________________ MODEL NO. _____________________________________________________________________ TYPE GAS ______________________________________________________________________ EQUIPMENT TAG________________________________________________________________ NOTES

RELIEF VALVE

66-5/8"

14-7/8"

10 -1/4"

DRAIN

BACK

4" FLG OUTLET

4" FLG INLET

80"

11"

CONDENSATE DRAIN

HIGH VOLTAGE

LOW VOLTAGE

VENT

TOP

AIR

GAS

SIDE

LOW VOLTAGE

DRAIN

WATER OUTLET

WATER INLET

HIGH VOLTAGE

Crest Heating Boiler Dimensions and Specifications

Model Input Input AHRI NET AHRI Number MBH MBH Thermal Output Rating Turndown

Min. Max. % MBH MBH

FB*2500 125 2,500 92.0% 2,300 2,000 20:1 FB*3000 150 3,000 92.0% 2,760 2,400 20:1 FB*3500 200 3,500 92.0% 3,220 2,800 18:1 FB*4000 335 4,000 93.0% 3,720 3,235 12:1 FB*5000 500 5,000 93.0% 4,650 4,043 10:1

Notes: *Insert “N” for natural gas, “L” for LP gas models and “D” for dual fuel. Indoor installation only. Information subject to change without notice.

†

Turndown rate reduced on LP gas models. Low NOx on FB2500-FB5000 models, consult factory.

†

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

34-1/4” 76-3/8” 70-1/4” 17-3/4” 26-1/8” 9-3/4” 27-3/8” 6-1/4” 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” 8-1/2” 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” 7-1/4” 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” 12-1/2” 104-1/4” 108-1/4” 2-1/2” 12” 12” 6,900 4,750 53-1/2” 107” 100-3/4” 28” 40-3/4” 11” 45-1/2” 9” 104” 108-1/4” 2-1/2” 14” 14” 8,000 5,550

Codes & Registrations

NSI Z21.13/CSA Certified

A ASME certified, “H” Stamp / National Board California Code Compliant CSD1 / Factory Mutual / GE Gap Compliant Bay Area Air Quality Management District Qualified Canadian Registration Number (CRN) AHRI Certified

Smart Touch™ Features

CON·X·US® Remote Connect SMART TOUCH™ Touchscreen Operating Control

Full-Color 8” Touchscreen LCD Display Built-in Cascading Sequencer for up to 8 Boilers

Built-in Redundancy Cascade Multiple Sized Boilers Lead/Lag Cascade Efficiency Optimized Cascade

Front-End Loading Capability with Copper-Fin II®

and Power-fin® Boilers

Building Management System Integration with

0-10 VDC Input BACnet MSTP Communications Modbus Communications Outdoor Reset Control with Outdoor Air Sensor Password Security Domestic Hot Water Prioritization

DHW tank piped with priority in the boiler loop DHW tank piped as a zone in the system with

the pumps controlled by the Smart System

DHW Modulation Limiting Separately Adjustable SH/DHW Switching Times

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

(FB2500-3500)

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 IP or LonWorks Condensate Neutralization Kit SMART TOUCH PC Software Common Vent Kits Dual Fuel Gas Train 75 psi ASME Relief Valve 100 psi ASME Relief Valve 125 psi ASME Relief Valve 150 psi ASME Relief Valve Air Filter Box Motorized Isolation Valve Variable Speed Boiler Pump

Electrical Options (Shipped Loose):

208V/3Ø/60Hz (Models FB2500-3500 only) 480V/3Ø/60Hz 600V/3Ø/60Hz

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

Common Vent

Lochinvar, LLC 300 Maddox Simpson Parkway Lebanon, Tennessee 37090 P: 615.889.8900 / F: 615.547.1000

Lochinvar.com

10/15—Printed in U.S.A.