Nortek PPH3RF Series, Installation Instructions Manual

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code agency listed conduit and a conduit connector for
connecting the supply wires to the unit. Use of rain tight
conduit is recommended.
• See the unit wiring label for proper high and low voltage
wiring. Make all electrical connections in accordance
with all applicable codes and ordinances. See Figure
15 (page 16) , Figure 16 (page 17) , & Figure 17
(page 18) .
Overcurrent Protection
Overcurrent protection must be provided at the branch
circuit distribution panel and sized as shown on the unit
rating label and according to applicable local codes.
Generally, the best fuse or breaker for any heat pump
is the smallest size that will permit the equipment to run
under normal usage and provide maximum equipment
protection. Properly sized fuses and breakers also prevent
nuisance trips during unit startup.
If a fuse blows or a breaker trips, always determine
the reason. Do not arbitrarily install a larger fuse or
breaker and do not, in any case, exceed the maximum
size listed on the data label of the unit.
Blower Speed
For optimum system performance and comfort, it may
be necessary to change the factory speed setting. See
Table 2 for factory settings. NOTE : This model has a High
Efficiency ECM Motor with 5 speed taps.
WARNING:
To avoid electric shock, personal injury, or death,
turn off the electric power at the disconnect or the
main service panel before making any electrical
connections.
1. Disconnect all electrical power to the unit and remove
the service panel.
CAUTION:
Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation. Verify proper
operation after servicing.
2. Locate the orange , red and blue wires terminated to
the blower motor. The orange wire controls the low
speed cooling and heating operations, the blue wire
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 AWG (1% voltage drop)
Table 2. Airflow Data
MODEL
NUMBER
MOTOR
TAP
EXTERNAL STATIC PRESSURE DROP (IN WC)
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
X24K
Tap T1*
686 46 651 49 621 51 589 54 530 60 477 - 431 - 382 -
Tap T2**
926 34 884 36 861 37 827 38 785 40 734 43 676 47 622 51
Tap T3***
1184 27 1161 27 1134 28 1109 28 1075 29 1041 30 1002 32 962 33
Tap T4
1383 23 1360 23 1330 24 1303 24 1277 25 1246 25 1215 26 1137 28
Tap T5 1537 21 1510 21 1487 21 1459 22 1437 22 1412 22 1382 23 1350 23
X36KA
Tap T1*
1004 31 972 33 938 34 897 35 845 37 779 41 739 43 668 47
Tap T2***
1167 27 1132 28 1100 29 1061 30 1020 31 979 32 921 34 851 37
Tap T3**
1355 23 1320 24 1282 25 1247 25 1209 26 1168 27 1121 28 1066 30
Tap T4
1510 21 1477 21 1441 22 1403 23 1366 23 1330 24 1288 25 1243 25
Tap T5 1648 19 1614 20 1578 20 1544 20 1512 21 1473 21 1434 22 1393 23
X48K
Tap T1*
1108 29 1063 30 1031 31 987 32 939 34 894 35 850 37 808 39
Tap T2***
1108 29 1063 30 1031 31 987 32 939 34 894 35 850 37 808 39
Tap T3**
1666 19 1629 19 1587 20 1572 20 1542 20 1507 21 1477 21 1431 22
Tap T4
1884 17 1824 17 1795 18 1762 18 1730 18 1707 19 1671 19 1634 19
Tap T5 1979 16 1948 16 1925 16 1892 17 1861 17 1834 17 1804 18 1766 18
X60K
Tap T1***
923 34 875 36 799 40 735 43 677 47 623 51 579 55 543 58
Tap T2*
1335 24 1295 24 1259 25 1214 26 1183 27 1144 28 1117 28 1063 30
Tap T3
1754 18 1721 18 1684 19 1660 19 1634 19 1597 20 1568 20 1541 21
Tap T4**
2045 15 2022 16 1983 16 1950 16 1921 16 1894 17 1869 17 1826 17
Tap T5
2253 14 2218 14 2187 14 2153 15 2117 15 2091 15 2057 15 2021 16
* Denotes factory set low cooling & heating speed
** Denotes factory set high cooling & heating speed
*** Denotes factory set auxillary heating speed
NOTE: Temperature rises shaded in gray are for reference only. These conditions are not recommended.