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Bradford White
Page 2
Copper Brute II
Page 3
SECTION 1. General Information
1.1 Introduction........................................................ 3
1.2 Model Identication............................................ 3
1.3 Warranty ............................................................ 4
1.4 Dimensions ........................................................ 4
1.5 Locating the Appliance ...................................... 4
1.6 Locating Pump-Mounted Water Heater
with Respect to Storage Tank(s) ....................... 6
1.7 Locating 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
4.4 Combined 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
7.2 Appliance 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
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