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2 combustion air and venting (cont'd) – Reznor YDSA Operation Manual User Manual

Page 38

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Form O-Y, PN 273647R1, Page 38

5.0 Maintenance/Service Procedures - Gas Heat Section (cont'd)

5.2 Combustion Air and Venting (cont'd)

Combustion Air Switches for Sea Level to 6000 ft. (1830 m)

Heat

Section

Option

Heat

Size(s)

(Btuh)

High Pressure Switch

Low Pressure Switch (AG73 & AG74 Only)

Startup

Cold

Equilibrium

Hot

Setpoint

Off

Label

Color

Switch

P/N

Startup

Cold

Equilibrium

Hot

Setpoint

Off

Label

Color

Switch

P/N

230, 460,

575V

% Full

Speed of

Venter Mtr

208V

% Full

Speed of

Venter Mtr

Negative Pressure (iwc)

Negative Pressure (iwc)

H50

50,000 3.10

2.00

1.50 Yellow 273360

3.50

1.30

0.75

Yellow 205443

74

82

H75

75,000 3.30

1.60

1.40

Red

201159

3.30

1.30

1.00

Brown 201160

74

82

H100 100,000 3.40

1.70

1.40

Red

201159

3.40

1.20

1.00

Brown 201160

74

82

H102* 50,000 3.10

2.00

1.50 Yellow 273360

3.50

1.30

0.75

Yellow 205443

74

82

H125* 50,000

3.10

2.00

1.50 Yellow 273360

(No low pressure switch on this furnace)

75,000 3.30

1.60

1.40

Red

201159

3.30

1.30

1.00

Brown 201160

74

82

H150* 75,000 3.40

1.60

1.40

Red

201159

3.30

1.30

1.00

Brown 201160

74

82

H175* 75,000

3.30

1.60

1.40

Red

201159

(No low pressure switch on this furnace)

100,000 3.40

1.70

1.40

Red

201159

3.40

1.20

1.00

Brown 201160

74

82

H200 200,000 3.80

1.80

1.40

Red

201159

3.80

0.90

0.75

Yellow 205443

42

54

H202* 100,000 3.40

1.70

1.40

Red

201159

3.40

1.20

1.00

Brown 201160

74

82

H300 300,000 3.90

1.90

1.50 Yellow 273360

3.90

0.90

0.75

yellow 205443

48

56

H400 400,000 3.80

1.80

1.50 Yellow 273360

3.80

1.00

0.80

Gray 197078

58

64

H402* 200,000 3.80

1.80

1.40

Red

201159

3.80

0.90

0.75

Yellow 205443

42

54

H502

200,000 3.80

1.80

1.40

Red

201159

(No low pressure switch on this furnace)

300,000 3.90

1.90

1.50 Yellow 273360

3.90

0.90

0.75

Yellow 205443

48

56

H602* 300,000 3.90

1.90

1.50 Yellow 273360

3.90

0.90

0.75

Yellow 205443

42

56

H702 300,000

3.90

1.90

1.50 Yellow 273360

(No low pressure switch on this furnace)

400,000 3.80

1.80

1.50 Yellow 273360

3.80

1.00

0.80

Gray 197078

58

64

H802* 400,000 3.80

1.80

1.50 Yellow 273360

3.80

1.00

0.80

Gray 197078

58

64

G150 150,000 2.70

2.20

1.40

Red

201159

2.70

1.70

0.10

White 234712

61

74

G225 225,000 2.90

2.50

1.40

Red

201159

2.90

1.30

0.10

White 234712

61

74

G300 300,000 2.70

2.50

1.30

White 201161

2.70

0.90

0.10

White 234712

61

74

G302* 150,000 2.70

2.20

1.40

Red

201159

2.70

1.70

0.10

White 234712

61

74

G372 150,000

2.70

2.20

1.40

Red

201159

(No low pressure switch on this furnace)

225,000 2.90

2.50

1.40

Red

201159

2.90

1.30

0.10

White 234712

61

74

G452* 225,000 2.90

2.50

1.40

Red

201159

2.90

1.30

0.10

White 234712

61

74

G525 225,000

2.90

2.20

1.40

Red

201159

(No low pressure switch on this furnace)

300,000 2.70

2.50

1.30

White 201161

2.70

0.90

0.10

White 234712

61

74

G602* 300,000 2.70

2.50

1.30

White 201161

2.70

0.90

0.10

White 234712

61

74

Combustion Air Switches for Above 6000 ft. (1830 m)

Heat

Section

Option

Heat

Size(s)

(Btuh)

High Pressure Switch

Heat

Section

Option

Heat

Size(s)

(Btuh)

High Pressure Switch

Setpoint

Off

Label

Color

Switch

P/N

Setpoint

Off

Label

Color

Switch

P/N

Negative Pressure (iwc)

Negative Pressure (iwc)

H50

50,000

1.45

Orange

273555

H702* 300,000

1.45

Orange

273555

H75

75,000

1.35

Green

273554

400,000

1.45

Orange

273555

H100

100,000

1.35

Green

273554

H802

400,000

1.45

Orange

273555

H102*

50,000

1.45

Orange

273555

G150

150,000

1.35

Green

273554

H125*

50,000

1.45

Orange

273555

G225

225,000

1.35

Green

273554

75,000

1.35

Green

273554

G300

300,000

1.25

Blue

273553

H150*

75,000

1.35

Green

273554

G302

150,000

1.35

Green

273554

H602*

300,000

1.45

Orange

273555

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