Crown Boiler BWC Series installation instructions 170

Page 47

STANDBY MODE

FIGURE 11.2: BASIC MENU TREE

USE MODE KEY TO TOGGLE BETWEEN MODES

(Mode returns to Standby from other modes if no key is pressed for 20 min.)

PARAMETER MODE

INFORMATION MODE

45

Use of

Duration

Result

Display

Keys

Example

 

 

+

 

Shows supply set point

c 190

Short

when responding to call

 

 

for heat (Note 1)

 

+

Long

Turn heating on/off

c OFF

-

 

Shows domestic hot water

d 144

Short

reference set point (Note

 

 

2)

 

-

Long

Turn domestic hot water

d OFF

on/off

 

 

 

MODE

Long

Hold burner in high fire

H 180

and +

(Note 3)

 

 

MODE

Long

Hold burner in low fire

L 180

and -

(Note 3)

 

 

+ and -

Long

Deactivate forced high or

O 180

 

 

low firing

 

Notes

Parameter

Description

Possible Settings

 

(Note 4)

 

 

 

1

DHW reference set 68°F - 144°F (Default

point (Note 2)

 

Setting 135°F)

 

 

 

 

 

 

 

 

0

= Off

 

 

 

 

 

 

1

= On

2

DHW Zone

 

 

2

= Off + continuous

 

 

 

 

pump

 

 

 

 

 

 

3

= On + continuous

 

 

pump

 

 

 

 

 

 

0

= Off

1 = On

3Heat Zone

 

 

2 = Off + continuous

 

 

pump

 

 

 

 

 

3 = On + continuous

 

 

pump

 

 

 

 

Supply set point

68°F - 190°F (Default

4

when responding to

 

call for heat

Setting 180°F)

Use of Keys

STEP + - STORE

Toggle Between Parameters

Increases Setting Decreases Setting

Display will Flash when STORE is rel

change has been made

 

 

Saves new setting to MCBA.

 

Step #

Value

Display

Example

 

 

1

Supply water temperature

1.170

2

Return water temperature

2.135

3

Reserved for Future Use

3.-22

4

Outdoor sensor temp., if

4.-22

used (Note 5)

 

 

5

Flue gas temperature

5.165

6

Supply water set point

6.180

temperature

 

 

7

Rate of change in supply

7. 0 1

water temperature °F/sec

 

 

8

Rate of change in return

8. 0 1

water temperature °F/sec

 

 

9

Reserved for Future Use

9. 0 1

A

Reserved for Future Use

A. -22

Use of Keys

STEP + - STORE

Between Steps 1 - A

Not Used Not Used

Not Used

Toggle

 

 

1)If outdoor sensor is connected, this temperature is the supply temperature setpoint when the outdoor temperature is 0°F.

2)"Domestic water reference set point" + 45°F = boiler supply set point when boiler is responding to a call for domestic hot water (default = 180°F).

3)Boiler will automatically resume modulation after 15 minutes.

4)Factory default settings are shown in bold.

5)If no outdoor sensor is connected, display reads "4.-22".

Image 47
Contents BWC Series Page VII II Specifications Product DescriptionIV Locating the Boiler III Before InstallingMinimum Clearance To Combustible Material Air for Ventilation Page Vent System Design VI VentingHorizontal Direct Venting Vent Options 1,2 2a Summary of Horizontal Venting Options 3c Positioning Vent Terminal Under Overhangs Vertical Direct Vent System Vent Options 6 2b Summary of Vertical Venting Options VENT/ AIR Intake Fitting Equivalent Length Removing an Existing Boiler From a Common Chimney Vent / Intake System Assembly7a STAR-34 Connection to Vent Collar Z-VENT III Connection to Vent Collar SAF-T Vent Ezseal Connection to Vent Collar 10 Fasnseal Connection to Vent Collar 11 Condensate Piping Arrangement Gas Connection To Boiler VII Gas PipingSystem Design General System Piping PrecautionsViii System Piping Method 1 Primary/Secondary Piping Boiler in Secondary Loop Piping Method #1 Heat Only 4a Piping Method #1 Secondary Loop Piping Shaded Pipe and Circulator Sizing for Boiler Loop Fitting Equivalent Lengths Method 2 Primary/Secondary Piping Boiler in Primary Loop Piping Method #2 Heat Only 10a Piping Method #2 Secondary Loop Piping Bolded Page Flow GPM Piping for Special Situations 14 Chiller Piping IX Wiring Wiring Connections Diagram Ladder Diagram Page Start-up and Checkout BWC Series Lighting and Operating Instructions For Your Safety Read Before LightingBWC Burner Typical CO2/O2 Combustion Readings Gas Valve DetailPage XI Operation Normal Display In Standby ModePage 170 First Digit Boiler Status Boiler StatusOutdoor Reset Curve Continuously XII. Service and MaintenancePage No Error Code Displayed XIII. TroubleshootingCode Condition Possible Causes Soft Lockout Codes DisplayedHard Lockout Codes Displayed XIV Parts BWC Replacement Parts List TBD Page Page Page Page Ignition Electrode Gasket, 5mm 240011 Page BWC Replacement Parts List Page Page Page Page Page PN 980040 BWC 08/05

BWC Series specifications

The Crown Boiler BWC Series is a modern choice for heating needs, renowned for its efficiency and robust design. This series offers a range of residential and light commercial heating applicabilities, ensuring both comfort and reliability for users.

One of the standout features of the BWC Series is its efficiency. Crown Boilers utilize advanced technologies to maximize energy output while minimizing fuel consumption. With an AFUE (Annual Fuel Utilization Efficiency) rating often exceeding 90%, users can expect significant cost savings on their energy bills over time.

The BWC Series employs a high-quality, stainless steel heat exchanger, which not only enhances performance but also extends the lifespan of the boiler. This heat exchanger is designed to transfer heat efficiently, ensuring that the maximum amount of energy from the fuel is converted into usable heat. Additionally, the design helps to prevent corrosion and maintain system integrity over years of usage.

For technological advancements, the BWC Series incorporates a modulating gas valve which allows for precise control over the boiler's operation. This feature enables the system to adjust its output based on the heating demands of the home, resulting in improved energy efficiency and consistent comfort levels. Moreover, this modulating technology reduces the frequency of cycling, thereby prolonging the lifespan of the unit and minimizing wear and tear.

Another characteristic of the Crown Boiler BWC Series is its user-friendly interface. The boiler is equipped with a simple control panel that allows for easy monitoring and adjustment of settings. This accessibility is essential for users who want to manage their heating system without the need for extensive technical knowledge.

In terms of installation and maintenance, the BWC Series is designed with convenience in mind. Its compact footprint allows it to fit comfortably in a variety of spaces, making it an ideal choice for homes with limited installation areas. Additionally, Crown Boiler's commitment to high manufacturing standards ensures that the units require minimal maintenance, providing peace of mind to homeowners.

Overall, the Crown Boiler BWC Series is an excellent solution for those seeking efficient, reliable heating. Its combination of advanced technology, quality construction, and user-friendly design makes it an attractive option for any residential or light commercial application. Whether replacing an old system or installing a new one, the BWC Series delivers comfort and performance that can be depended upon.