Lochinvar BW-1-020C User Manual

Commercial
Electric
Compact
Boilers

Standard Features

• ASME National Board Registered Pressure Vessel

• Heavy Duty Steel Boiler Vessel Housing

• 4” Fiberglass Insulation

• 3” NPT Inlet and Outlet Connection

• ASME Pressure Relief Valve

• Pressure Gauge with Cock

• Drain Valve

• Adjustable High Limit with Automatic Reset

• Adjustable High Limit with Manual Reset

(units with more than 2 stages)

• Low Water Cut-Off

• Incoloy-Sheathed Elements

• Internal Branch Circuit Fusing

• Magnetic Contactors

• Main Supply Circuit Lugs

• 120 Volt Fused Control Transformer

• On/Off Switch with Pilot Light

• Manual Limit Toggle Switches (1 per step)

• Key Locked Door

• Electric Control Panel

• On/Off Temperature Switches (1 & 2 Step Models)

• Electronic Multi-Stage Control (3 & 4 Step Models)

• Proportional Solid State Step Control

(Units with more than 4 Steps)

• Status Pilot Light for each Step

• Digital Temperature Readout (except 1 & 2 Step)

• Listed by the Underwriters Laboratories

• 3 Year Limited Tank Warranty / 1 Year Parts Warranty

(See warranty for details)

Optional Equipment

• Alarm Bell

• Automatic Breaker

• Flow Switch

• ABB Fused Disconnect

• Non-Fused Disconnect

• Ground Fault Detector

• Low Temperature Switch

• Modulating Step Control

• Kilowatt/Hour Meter

• Flanged Water Connections

Commercial Electric Compact Boiler Dimensions & Specifications

**

Inlet Pipe for

14”

Flange or
Flow Switch
Option.

Model Max. Flow Connection Dia Vol Dimensions Weight
Number (gpm) Sizes (NPT) (In) (Gal) A B C lbs.

BW*1-**C 230 3” 12” 22 52” 24” 30” 600
BW*2-**C 230 3” 16” 36 52” 28” 34” 800
BW*3-**C 230



4”/300 GPM is Optional



3” 20” 56 52” 32” 38” 1100

** Power Panel will be taller or wider for ABB Disconnect option. Consult factory.

Components

1.

Temperature Limit, Auto Reset

2. Temperature Limit, Manual Reset

3. Manual Limit Switches

4. Pilot Lights, Amber (Steps “On”)

5. PB Switches
(Low Water Cutoff “Test”/”Reset”)

6. Toggle Switch (Control Power)

7. Pilot Light, Amber (Control Power “On”)

8. Pilot Light, Red (Low Water)

9. Temperature Setpoint / Control / Readout

10. Safety Relief Valve

11. Temperature & Pressure Gauges

12. Drain Valve

Commercial Electric Compact Boilers

Ratings & Circuit Configurations

208 & 240 VOLT 380 & 415 VOLT 480 VOLT
Model Rating Elements Number of Elements Number of Elements Number of
Number MBH kW Qty kW Circuits Steps@ kW Qty kW Circuits Steps@ kW Qty kW Circuits Steps@ kW

BW*1-015C 51 15 1 15 1 1@15 1 15 1 1@15 1 15 1 1@15
BW*1-018C 61 18 - - - - - - - - 1 18 1 1@18
BW*1-020C 68 20 2 10 2 1@20 - - - - 1 20 1 1@20
BW*1-030C 102 30 2 15 2 1@30 2 15 1 1@30 2 15 1 1@30
BW*1-036C 123 36 - - - - - - - - 2 18 1 1@36
BW*1-040C 136 40 4 10 4 2@20 - - - - 2 20 1 1@40
BW*1-045C 154 45 3 15 3 1@15, 1@30 3 15 2 1@15, 1@30 3 15 2 1@15,1@30
BW*1-054C 184 54 - - - - - - - - 3 18 2 1@18,1@36
BW*1-060C 205 60 4 15 4 2@30 4 15 2 2@30 4 15 2 2@30
BW*1-072C 246 72 - - - - - - - - 4 18 2 2@36
BW*1-075C 256 75 5 15 5 1@15, 2@30 5 15 3 1@45, 1@30 5 15 3 1@45, 1@30
BW*1-080C 273 80 8 10 8 4@20 - - - - 4 20 2 2@40
BW*1-090C 307 90 6 15 6 3@30 6 15 3 3@30 5 18 3 1@18, 2@36
BW*1-100C 341 100 - - - - - - - - 5 20 3 1@20, 2@40
BW*1-105C 358 105 7 15 7 1@15, 3@30 7 15 4 1@45, 2@30 7 15 4 1@45, 2@30
BW*1-108C 368 108 - - - - - - - - 6 18 3 3@36
BW*1-120C 409 120 8 15 8 4@30 8 15 4 4@30 6 20 3 3@40
BW*1-126C 430 126 - - - - - - - - 7 18 4 1@18, 3@36
BW*2-135C 461 135 9 15 9 1@45,3@30 9 15 5 1@45, 3@30 9 15 5 1@45, 3@30
BW*1-140C 478 140 - - - - - - - - 7 20 4 1@20, 3@40
BW*1-144C 491 144 - - - - - - - - 8 18 4 4@36
BW*2-150C 512 150 10 15 10 5@30 10 15 5 5@30 10 15 5 5@30
BW*1-160C 546 160 - - - - - - - - 8 20 4 4@40
BW*2-165C 563 165 11 15 11 1@45, 4@30 11 15 6 1@45, 4@30 11 15 6 1@45, 4@30
BW*2-180C 614 180 12 15 12 6@30 12 15 6 6@30 10 18 5 5@36
BW*2-200C 682 200 - - - - - - - - 10 20 5 5@40
BW*3-210C 717 210 14 15 14 7@30 14 15 7 7@30 14 15 7 7@30
BW*2-216C 737 216 - - - - - - - - 12 18 6 6@36
BW*3-225C 768 225 15 15 15 1@45, 6@30 15 15 8 1@45, 6@30 15 15 8 1@45,6@30
BW*2-240C 819 240 - - - - - - - - 12 20 6 6@40
BW*3-240C 819 240 16 15 16 8@30 16 15 8 8@30 16 15 8 8@30
BW*3-252C 860 252 - - - - - - - - 14 18 7 7@36
BW*3-270C# 921 270 18 15 18 9@30 18 15 9 1@60, 7@30 15 18 8 1@18, 7@36
BW*3-280C 955 280 - - - - - - - - 14 20 7 7@40
BW*3-288C 983 288 - - - - - - - - 16 18 8 8@36
BW*3-300C# 1024 300 20 15 20 10@30 20 15 10 2@60, 6@30 15 20 8 1@20, 7@40
BW*3-320C 1092 320 - - - - - - - - 16 20 8 8@40
BW*3-330C# 1126 330 22 15 22 11@30 22 15 11 3@60, 5@30 22 15 11 5@30, 3@60
BW*3-360C# 1228 360 24 15 24 12@30 24 15 12 4@60, 4@30 20 18 10 6@36, 2@72
BW*3-400C 1365 400 - - - - - - - - 20 20 10 6@40, 2@80
BW*3-440C 1501 440 - - - - - - - - 22 20 11 5@40, 3@80
BW*3-480C 1638 480 - - - - - - - - 24 20 12 4@40, 4@80

Notes: # = Oversize control cabinets are supplied for these models at 208 & 240 volts.

VOLTAGE SCHEDULE

A – 240V 1PH
B – 240V 3PH
J – 208V 1PH
K – 208V 3PH
X – 480V 3PH
W – 277V 1PH
Y – 380V 3PH
Z – 415V 3PH

Operating temperature and pressure are requested prior to placing an order.

FOR EASE IN ORDERING

BY MODEL NUMBER

B W B 1 140 C

BOILER

This is a 240 volt, three phase, 140 Kilowatt

compact size electric hot water boiler.

VOLTAGE

HOT WATER

UNIT SIZE

KILOWATT

COMPACT SIZE

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

EBC-03 (Replaces EBC-02 11/08)

www.Lochinvar.com

FG-5M-1/11-Printed in U.S.A.