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Table a-3 direct drive blower set-up, Table a-4 direct drive blower characteristics – Royal Appliance Air Furnace User Manual

Page 19

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29733 R2 06/01/2003

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TABLE A-3 DIRECT DRIVE BLOWER SET-UP

BLOWER SET-UP

COOLING CAPACITY

0.20 in. w.c.

0.50 in w.c.

FURNACE

MODEL

BLOWER

MOTOR

HP

Speed Speed

Htg. CFM

Range

1

Tons

2

MOTOR

HP

Clg. CFM

Range

80F (060)

Low

Med - Low

629 - 972

80F (070)

Med - Low

Med - High

792 - 1223

80F (080)

G10 DD

½

Med - High

High

857 - 1324

3

½

900 - 1150

120F (090)

Med - Low

Med - High

976 - 1508

120F (100)

Med - High

High

1084 - 1676

120F (120)

G10 DD

½

High

High

1279 - 1977

3

½

800 - 1300

120F (090)

Low

Low

1106 - 1843

120F (100)

Med - Low

Med - Low

1229 - 2048

120F (120)

G12-10 DD

¾

Med - High

High

1450 - 2417

5

¾

1400 - 1870

(1)

Heating Range values based on temperature rise. Upper values may exceed measured airflow values in Table A-3.

(2)

Nominal Values Only

TABLE A-4 DIRECT DRIVE BLOWER CHARACTERISTICS

CFM

External Static Pressure - inches w.c.

Furnace

Model

Motor

hp

Blower

Temp.

Rise

(

DT)

Motor

FLA

Speed

0.20 0.30 0.40 0.50 0.60 0.70

High 1368 1298 1223 1144 1046 938

Med-High 1318 1256 1178 1108 1007 909

Med-Low 1173 1132 1071 993 909 816

80F

½

G10 DD

60° - 90°F

7.7

Low 856 833 791 748 692 610

High 1604 1527 1446 1360 1245 1092

Med-High 1507 1425 1338 1270 1171 1035

Med-Low 1172 1146 1119 1064 977 879

120F

½

G10 DD

55° - 85°F

7.7

Low 810 771 731 690 645 597

High 1957 1911 1846 1797 1729 1658

Med-High 1764 1730 1695 1640 1584 1526

Med-Low 1677 1658 1603 1565 1506 1424

120F

¾

GT12-10 DD

45° - 75°F

12.5

Low 1446 1446 1446 1404 1315 1245