Bradford-White Corp Modulating Boiler, BNTH Table Of Contents, Section, General Information, A

Page 2 BRADFORD WHITE CORP.

TABLE OF CONTENTS

SECTION 1.
General Information
1.1	Introduction	4
1.2	Model Identification	4
1.3	Appliance Overview	4
1.4	Warranty	9
1.5	Unpacking	9
1.6	Dimensions	9
SECTION 2.
Locating the Appliance
2.1	Locating the Appliance	11

2.2Locating Appliance for Correct Vent Distance

	from Outside Wall or Roof Termination	11
Section 3.
Venting and Combustion Air
3.1	Combustion Air	12
3.1.1 Combustion Air From Room		12
3.1.2	Ducted Combustion Air	12
3.2	Venting	13
3.2.1	Venting Requirements Unique to Canada	14
3.3	Locating Vent & Combustion Air Terminals ...	14
3.3.1 Side Wall Vent Terminal		14
3.3.2 Side Wall Combustion Air Terminal		15
3.3.3	Vertical Vent Terminal	15
3.3.4 Vertical Combustion Air Terminal		15

3.3.5Installations in the Commonwealth of

	Massachusetts	15
3.4	Common Vent Test	17
Section 4.
Gas Supply and Piping
4.1	Gas Supply and Piping	18

Section 5.

Pump Requirements

5.1Brute Elite Boiler Flow and

Head Requirements 19

5.2Brute Elite Water Heater

	Flow and Head Requirements	19
Section 6A.
Water Connections - BNTH Boiler
6A.1	BNTH System Piping: Hot Supply Connections20
6A.2	BNTH Cold Water Make-Up	20
6A.3	Freeze Protection	21
6A.4	BNTH Suggested Piping Schematics	21
6A.5	Recognized Chemicals	21

Section 6B.

Water Connections - BNTV Water Heater

6B.1	BNTV Water Quality	29
6B.2	Piping Requirements	29
6B.3	Cold Water Make-Up	30
6B.4	Freeze Protection	30
6B.5	BNTV Suggested Piping Schematics	30
6B.6	BNTV Suggested Pumps	30
Section 7.
Electrical Connections
7.1	Main Power	32
7.2	Pump Connections	33

7.324 Vac Transformer with Integral

	Circuit Breaker	33
7.4	Hydronic Call for Heat	33
7.5	Outdoor Air Temperature Sensor	33
7.6	Domestic Hot Water Connection	33

7.7System Sensor

	(lead lag/cascading operation only)	33
7.8	External Control Connections	33
7.9	Optional Field Connections	33
7.10	Lead lag/ Cascading Wiring Connections	33
7.11	Wiring Diagrams	35
Section 8.
Brute Elite Control Setup and Operation
8.1	Display Navigation	37
8.2	Ignition Control - Sequence of Events	37
8.3	Modulation Control	38
8.4	Pump Control	38
8.5	Anti-Short Cycle (ASC)	38
8.5	High Limit	38
8.7	Outlet Water Temperature	38
8.8	Inlet Water Temperature	38
8.9	Heat Exchanger Temperature Rise	38
8.10	Stack Temperature	38
8.11 Domestic Hot Water Temperature		38
8.12	Lead Lag/Cascading	38
8.12.1	Lead Lag Setpoint	39
8.12.2 Lead Lag Master/Slave Selection		39
8.12.3	Lead Lag Address	39
8.12.4	Lead Lag Hysteresis	39
8.12.5 Lead Lag Base Load Setting		39
8.13	Boiler Pump Interrupt	39