Bradford-White Corp BRHHH, BRHHV Table of Contents, General Information, Operating Instructions

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Table of Contents

SECTION 1
General Information
1.1	Introduction	5
1.2	Model Identification	5
1.3	Warranty	6
1.4	Dimensions	6
1.5	Locating the Appliance	6
1.6	Locating Pump-Mounted Water
	Heater with Respect to Storage Tank(s)	6

1.7Locating Pump-Mounted Boiler with

Respect to Return/Supply Header 6

1.8Locating Appliance for Correct Vent Distance

From Outside Wall or Roof Termination 7

5.5.3	Offset	26
5.5.4	Throttling Range	26
5.5.5	Minimum Output Setting	27
5.5.6	Integration Constant	27
5.6	Mixing System and Control	28
5.7	External Control Connections	29
5.8	Wiring Diagrams	29
SECTION 6
Operating Instructions
6.1	Filling the Boiler System	36
6.2	Operating the Burner and Set Up	36
6.3	Shutting Down the Brute Magnum	38
6.4	To Restart the Brute Magnum	38

SECTION 2
Venting and Combustion Air
2.1	Combustion Air	8
2.1.1	Combustion Air From Room	8
2.1.2	Intake Combustion Air	8
2.2	Venting	9
2.3	Locating Vent & Combustion Air Terminals	9
2.3.1	Horizontal Vent Terminal	9
2.3.2	Side Wall Combustion Air Terminal	12
2.3.3	Vertical Vent Terminal	12
2.3.4	Vertical Combustion Air Terminal	12
2.4	Common Vent Test – Boilers	12
SECTION 3
Gas Supply and Piping
3.1	Gas Supply and Piping	13
SECTION 4A
Water Connections – BRHHH Boiler
4A.1	Heating System Piping:
	Hot Supply Connections – Boiler	14
4A.2	Cold Water Make-Up – Boiler	14
4A.3	Freeze Protection – Boiler	15

SECTION 4B

Water Connections – BRHHV Water Heater

4B.1	Water System Piping – Water Heater	15
4B.2	Hot Water Supply Piping – Water Heater	15
4B.3	Water Flow Requirements – Water Heater ....	16
4B.4	Combined Water (potable)
	Heating and Space Heating	18
4B.5	Freeze Protection — Water Heater	19
SECTION 5
Electrical Connections
5.1	Main Power	24
5.2	Pump Connections	24
5.3	Temperature Control – Boiler	24
5.4	Temperature Control – Water Heater	24
5.4.1	Remote Water Heater Temperature Control ..	24
5.4.2	Internal Water Heater Temperature Control...	25
5.5	Temperature Control Features	25
5.5.1	Temperature Setpoint	25
5.5.2	Differential Setting	25

SECTION 7
Maintenance
7.1 System Maintenance	38

7.2Appliance Maintenance and

	Component Description	38
7.2.1	Burner	40
7.2.2	Filter	40
7.2.3	Modulating Gas Valve	40
7.2.4	Safety Gas Valve	41
7.2.5	Manual Reset High Limit Control	41
7.2.6	Temperature Control	41
7.2.7	Auto Reset Temperature Limit	41
7.2.8	Mixing Control	41
7.2.9	Mixing Valves	41
7.2.10 Mixing Actuator		42
7.2.11 Ignition Control		42
7.2.12 Ignitor / Flame Sensor Assembly		42
7.2.13 Transformers		42
7.2.14 Blower		42
7.2.15 Flow Switch		42
7.2.16 Heat Exchanger Coils		42
7.2.17 Normally Open Vent Valve		43
7.2.18 Motorized Safety Valve		43
7.2.19 Gas Pressure Switches		43
SECTION 8
Troubleshooting
8.1	Sequence of Operation	43
8.2	Resolving Lockouts	44
8.3	Delayed Ignition – Possible Causes	44
8.3.1	High Lockup Pressure (LP Appliances)
	- Occurs on Start-up	44
8.3.2	Gas Valve Regulation	44
8.3.3	Defective Burner - Occurs on
	Startup or at Burner Shutdown	44
8.4	Short Cycling – Boiler	44
8.5	Short Cycling – Water Heater	45
8.6	High Gas Consumption	45
SECTION 9
Replacement Parts
9.1	General Information	45
9.2	Parts List	45