Bryant 912SA manuals

Bryant 912SA Instruction Manual (78 pages)

Brand: Bryant | Category: Unknown | Size: 11.03 MB |

English

Table of contents

SERIES A

1

IMPORTANT

2

SAFETY CONSIDERATIONS

3

INTRODUCTION

4

CODES AND STANDARDS

4

ELECTROSTATIC DISCHARGE (ESD)

4

PRECAUTIONS PROCEDURE

4

ACCESSORIES

5

Fig. 1 -- Dimensional Drawing

6

SUPPLY AIR

7

18-IN. (457.2 mm)

7

MINIMUM TO BURNERS

7

LOCATION

8

AIR FOR COMBUSTION AND

9

VENTILATION

9

Standard Method

10

NP = Not Permitted

11

Outdoors

12

CONDENSATE TRAP

13

Downflow Trap Configuration

14

(Appearance may vary)

15

CONDENSATE DRAIN CONNECTION

17

Horizontal Orientation

18

INSTALLATION

20

Horizontal Installation

21

(FIELD SUPPLIED)

22

Fig. 20 -- Media Filter

23

UPFLOW DOWNFLOW HORIZONTAL

25

HORIZONTAL TOP

26

RETURN NOT

26

PERMITTED FOR

26

ANY MODEL

26

COMBUSTION - AIR PIPE

27

(SEE VENTING SECTION)

27

AIR DUCTS

28

GAS PIPING

30

ELECTRICAL CONNECTIONS

31

J--Box Installation

32

24--V Wiring

32

Alternate Power Supplies

32

LOCATIONS

33

Materials

37

Venting Systems

37

Locating the Vent Termination

37

Guidelines

38

Configure the Furnace

39

Vent Coupling and Adapter

46

Downflow Vertical

48

HORIZONTAL LEFT

49

RIGHT VENT CONFIGURATION*

49

CASING SIDE ATTACHMENT

51

COMBUSTION AIR PIPE

51

(NON-DIRECT VENT)

51

Point elbow down towards

51

Abandoned masonry

54

(per code)

54

OVERHANG

55

12 in. (304.8mm) MIN. Ground

55

Level OR Snow Level

55

Purge Gas Lines

57

Adjustments

57

Adjust Temperature Rise

58

Adjust Cooling Airflow

59

Check Safety Controls

59

Checklist

59

Fig. 52 -- Gas Valve

60

Fig. 53 -- Orifice Hole

60

338309-201 Rev. E

61

SINGLE-STAGE FURNACE

63

SERVICE AND MAINTENANCE

65

PROCEDURES

65

Component Self-Test

66

Care and Maintenance

66

Servicing Hot Surface Igniter

69

Cleaning Heat Exchangers

70

Burner Flame

71

Manifold

71

Fig. 61 -- Blower Assembly

72

Fig. 62 -- Burner Assembly

73

SEQUENCE OF OPERATION

74

Troubleshooting Guide

75

Troubleshooting Guide (Cont)

76

Catalog No. II912S

78

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