Bradford-White Corp BWCV Table Of Contents, General Information, Venting and Combustion Air

Internet Version for Reference Only

Page 2 Bradford White

TABLE OF CONTENTS

SECTION 1. General Information

1.1	Introduction	3
1.2	Model Identification	3
1.3	Warranty	4
1.4	Dimensions	4
1.5	Locating the Appliance	4

1.6Locating Pump-Mounted Water Heater

with Respect to Storage Tank(s) 6

1.7Locating Appliance for Correct Horizontal Vent/

	Ducted Air Distance From Outside Wall	6
SECTION 2. Venting and Combustion Air
2.1	Combustion Air	6
2.1.1 Combustion Air From Room		6
2.1.2 Intake Combustion Air		7
2.2	Venting	8
2.2.1 Vent Categories		8
2.2.2 Category I Vent		8
2.2.3 Common Venting Systems		8
2.2.4 Category III Vent		8
2.3	Locating Vent & Combustion Air Terminals	10
2.3.1 Side Wall Vent Terminal		10
2.3.2 Side Wall Combustion Air Terminal		10
2.3.3 Vertical Vent Terminal		11
2.3.4 Vertical Combustion Air Terminal		11
2.4	Common Vent Test	11
2.5	Vent Terminals for Outdoor Units	11
SECTION 3. Gas Supply and Piping
3.1	Gas Supply and Piping	12
SECTION 4. Water Connections – Copper
Brute II Water Heater
4.1	Water System Piping – Water Heater	13
4.2	Hot Water Supply Piping – Water Heater	13
4.3	Water Flow Requirements – Water Heater	13

4.4Combined Water Heating (potable)

	and Space Heating – Water Heater	18
4.5	Freeze Protection – Water Heater	18
SECTION 5. Electrical Connections
5.1	Main Power	18
5.2	Temperature Control	18
5.2.1 Temperature Control Description		18
5.3	External Staging Control Wiring	19
SECTION 6. Operating Instructions
6.1	Sequence of Operation	20
6.2	Programming the Temperature Control	20
6.2.1 System Piping		21
6.2.2 Choosing the Mode		21
6.2.3 Programming		21
6.2.4 Choosing the Mode for your Application		24
6.3	Advanced Topics	25
6.3.1 Differential:		26

6.3.2 Staging Mode		26
6.3.3 Boiler Minimum (BOIL MIN)		26
6.3.4 Boiler Maximum (BOIL MAX)		27
6.3.5 Boiler Target Temperature		27
6.3.6 Pump Operation		27
6.3.7 Set point Operation		27
6.3.8 Dedicated Domestic Hot Water		27
6.3.9 Outdoor Reset Operation		28
6.3.10 External Heater Operation		28
6.3.11 Limit Controls		29
6.3.12 Advanced Programming Mode		29
6.4	Operating the Burner and Set Up	29
6.4.1 Set Up for 0 to 2500 Feet Altitude		29
6.4.2 High Altitude Adjustment and Set Up		30
6.5	Shutting Down the Copper Brute II	30
6.6	To Restart the Copper Brute II	30
SECTION 7. Maintenance
7.1	System Maintenance	30

7.2Appliance Maintenance and

	Component Description	31
7.2.1 Burners		32
7.2.2 Filter		32
7.2.3 Gas Valves		32
7.2.4 Manual Reset High Limit Control		32
7.2.5 Automatic Reset High Limit Control		32
7.2.6 Temperature Control		32
7.2.7 Ignition Controls		32
7.2.8 Ignitors		32
7.2.9 Ignition Sensors		33
7.2.10 Transformer		33
7.2.11 Blowers		33
7.2.12 Flow Switch		33
7.2.13 Heat Exchanger Coil		33
SECTION 8. Trouble Shooting
8.1	Resolving Lockouts	34
8.2	Delayed Ignition – Possible Causes	34
8.3	Short Cycling	34
8.4	High Gas Consumption	34
8.5	Troubleshooting the Temperature Control	34
8.6	Troubleshooting Copper Brute II Controls	36
SECTION 9. Wiring Diagrams
Ladder Diagrams		37-39
Wiring Schematics		40-41
Field Wiring		42-44