Nortek P7RD-A Series, Installation Instructions Manual

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Table 2. Thermostat Wire Gauge
Thermostat
Wire Gauge
Recommended T-Stat Wire
Length (Unit to T-Stat)
2-Wire
(Heating)
5-Wire
(Heating/Cooling)
24 55 25
22 90 45
20 140 70
18 225 110
COPPER WIRE SIZE — AWG
(1% Voltage Drop)
Supply Wire Length-Feet
Supply
Circuit
Ampacity
200 150 100 50
6 8 10 14 15
4 6 8 12 20
4 6 8 10 25
4 4 6 10 30
3 4 6 8 35
3 4 6 8 40
2 3 4 6 45
2 3 4 6 50
2 3 4 6 55
1 2 3 4 60
Wire Size based on N.E.C. for 60° type copper conductors.
Table 1. Copper Wire Size
Table 3. P7 Series blower Data
HEAT RISE DATA (based on Nominal 10kw Electric Heat Kit)
UNIT
bLOWER
SETTING
EXTERNAL STATIC PRESSURE DROP - INCHES WATER COLUMN
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
CFM
HEAT
RISE
CFM
HEAT
RISE
CFM
HEAT
RISE
CFM
HEAT
RISE
CFM
HEAT
RISE
CFM
HEAT
RISE
CFM
HEAT
RISE
CFM
HEAT
RISE
024KA
Tap T1* 840 38 800 39 755 42 710 44 650 49 600 53 550 57 505 63
Tap T2 1010 31 965 33 925 34 885 36 845 37 790 40 735 43 690 46
Tap T3** 1115 28 1080 29 1040 30 1000 32 965 33 925 34 875 36 820 39
Tap T4 1205 26 1170 27 1130 28 1095 29 1055 30 1020 31 985 32 940 34
Tap T5 1335 24 1300 24 1270 25 1230 26 1195 26 1160 27 1125 28 1090 29
030KA
Tap T1 840 38 800 39 755 42 710 44 650 49 600 53 550 57 505 63
Tap T2* 1010 31 965 33 925 34 885 36 845 37 790 40 735 43 690 46
Tap T3** 1115 28 1080 29 1040 30 1000 32 965 33 925 34 875 36 820 39
Tap T4 1205 26 1170 27 1130 28 1095 29 1055 30 1020 31 985 32 940 34
Tap T5 1335 24 1300 24 1270 25 1230 26 1195 26 1160 27 1125 28 1090 29
036KA
Tap T1 905 35 865 37 810 39 755 42 695 45 645 49 590 54 555 57
Tap T2 1130 28 1090 29 1050 30 1000 32 950 33 895 35 835 38 790 40
Tap T3* 1265 25 1225 26 1190 27 1145 28 1100 29 1045 30 995 32 940 34
Tap T4** 1380 23 1340 24 1305 24 1270 25 1225 26 1180 27 1130 28 1080 29
Tap T5 1540 21 1510 21 1475 21 1440 22 1405 22 1360 23 1320 24 1270 25
042KA
Tap T1 1410 22 1375 23 1340 24 1300 24 1265 25 1230 26 1200 26 1155 27
Tap T2** 1485 21 1445 22 1420 22 1380 23 1340 24 1295 24 1265 25 1225 26
Tap T3* 1625 19 1585 20 1545 20 1515 21 1475 21 1440 22 1400 23 1365 23
Tap T4 1785 18 1745 18 1710 18 1685 19 1640 19 1610 20 1570 20 1530 21
Tap T5 1965 16 1930 16 1895 17 1865 17 1830 17 1800 18 1760 18 1720 18
048KA
Tap T1** 1375 23 1345 23 1310 24 1275 25 1240 25 1205 26 1160 27 1120 28
Tap T2 1470 21 1435 22 1400 23 1370 23 1335 24 1300 24 1260 25 1215 26
Tap T3* 1600 20 1570 20 1535 21 1505 21 1470 21 1440 22 1400 23 1355 23
Tap T4 1715 18 1680 19 1650 19 1620 20 1585 20 1545 20 1505 21 1470 21
Tap T5 1895 17 1865 17 1830 17 1795 18 1760 18 1730 18 1695 19 1655 19
060KA
Tap T1** 1290 24 1255 25 1220 26 1185 27 1145 28 1110 28 1070 30 1035 31
Tap T2 1645 19 1615 20 1580 20 1550 20 1520 21 1490 21 1440 22 1405 22
Tap T3* 1885 17 1855 17 1820 17 1785 18 1755 18 1720 18 1685 19 1650 19
Tap T4 2020 16 1985 16 1955 16 1920 16 1890 17 1850 17 1820 17 1785 18
Tap T5 2185 14 2170 15 2160 15 2145 15 2130 15 2090 15 2055 15 2015 16
NOTES:
Temperature rises shaded gray are for reference only. These conditions are not recommended.
* Denotes factory set cooling speed
** Denotes factory set electric heating speed