background image

Page 10

BLOWER DATA

092S STANDARD EFFICIENCY BELT DRIVE BLOWER − BASE UNIT

BLOWER TABLE INCLUDES RESISTANCE FOR BASE UNIT ONLY (NO HEAT SECTION) WITH DRY INDOOR COIL AND AIR 

FILTERS IN PLACE. FOR ALL UNITS ADD:

1 − Wet indoor coil air resistance of selected unit.
2 − Any factory installed options air resistance (heat section, economizer, etc.)
3 − Any field installed accessories air resistance (duct resistance, diffuser, etc.)
Then determine from blower table blower motor output required.
See page 12 for blower motors and drives.
See page 12 for wet coil and option/accessory air resistance data.

MINIMUM AIR VOLUME REQUIRED FOR USE WITH OPTIONAL ELECTRIC HEAT (Maximum Static Pressure - 2.0 in. w.g.)
7.5kW, 15 kW, 22.5 kW - 2065 cfm
30 kW - 2250 cfm
45 kW - 2625 cfm

Total 

Air 

Volume 

cfm

Total Static Pressure − in. w.g.

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP

1750 494 0.11 562 0.34 632 0.56 702 0.74 771 0.85 838 0.96 902 1.07 961 1.19 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

2000 514 0.26 581 0.49 650 0.70 719 0.87 786 0.98 852 1.09 915 1.20 972 1.32 1026 1.47 1076 1.65 - - - - - - - - - - - - - - - - - -

2250 533 0.41 599 0.62 667 0.82 735 0.99 802 1.10 866 1.21 928 1.33 984 1.46 1037 1.63 1085 1.81 1132 2.01 1178 2.21 1226 2.43

2500 553 0.55 619 0.76 685 0.95 753 1.10 818 1.22 881 1.34 942 1.47 997 1.62 1048 1.80 1096 1.99 1142 2.20 1188 2.41 1237 2.64

2750 573 0.70 638 0.90 705 1.08 771 1.22 835 1.35 897 1.49 957 1.63 1011 1.80 1061 1.99 1108 2.19 1154 2.41 1200 2.63 1249 2.87

3000 594 0.85 659 1.05 725 1.22 791 1.36 853 1.50 915 1.65 973 1.81 1026 1.99 1075 2.20 1121 2.42 1167 2.64 1213 2.87 1262 3.12

3250 617 1.01 682 1.20 747 1.37 812 1.52 873 1.67 934 1.83 990 2.01 1042 2.21 1089 2.43 1135 2.66 1181 2.90 1228 3.13 1277 3.38

3500 640 1.17 706 1.36 771 1.53 834 1.70 895 1.86 954 2.03 1008 2.23 1058 2.46 1105 2.69 1150 2.93 1196 3.17 1243 3.41 1293 3.65

3750 665 1.34 731 1.54 796 1.72 857 1.89 917 2.07 975 2.26 1027 2.48 1076 2.72 1121 2.97 1166 3.22 1212 3.46 1261 3.71 1311 3.96

4000 692 1.54 758 1.75 822 1.93 882 2.11 940 2.30 996 2.51 1047 2.76 1094 3.02 1139 3.27 1184 3.52 1230 3.77 1280 4.03 1330 4.29

4250 722 1.76 787 1.97 849 2.15 908 2.35 965 2.56 1018 2.79 1067 3.06 1113 3.33 1157 3.59 1202 3.85 1250 4.11 1300 4.38 1352 4.65

Summary of Contents for ZHA092

Page 1: ...TALLATION INSTRUCTIONS ZHA092 ZHA102 ZHA120 7 5 Ton 8 5 Ton 10 Ton HEAT PUMP PACKAGED UNITS 507257 01 7 2014 Electrical Connections Page 6 Unit Power Up Page 6 Blower Operation and Adjustments Page 7...

Page 2: ...WER 24V ACC 1 1 4 1 2 Hole Diameter Required in Unit Base Max Wire Use BOTTOM POWER ENTRY Holes required for Optional Bottom Power Entry Kit Threaded Conduit Fittings Provided in Kit A B C 1 2 39 991...

Page 3: ...filters will damage the unit IMPORTANT The Clean Air Act of 1990 bans the intentional vent ing of refrigerant CFC s and HCFC s as of July 1 1992 Approved methods of recovery recycling or reclaiming mu...

Page 4: ...and not to the unit supply and return plenums must be installed before setting the unit Installer s Roof Mounting Frame Many types of roof frames can be used to install the unit depending upon differ...

Page 5: ...BRACKETS AND BASE PROTECTION BOARD FIGURE 3 UNIT ALIGNMENT BRACKETS THREE 3 UNIT ALIGNMENT BRACKETS ROOF CURB NEW ROOF CURBS 89 3 8 IN LENGTH Remove all three brackets EXISTING ROOF CURBS 81 3 4 LONG...

Page 6: ...secure thermostat cable Use18 AWG wire for all applications using remotely installed electro mechanical and electronic thermostats 2 Install thermostat assembly in accordance with instructions provide...

Page 7: ...wers will operate continuously 2 With fan switch in AUTO position the blowers will cycle with demand Blowers and entire unit will be off when system switch is in OFF position C Blower Access The blowe...

Page 8: ...ns Open A Section 0 5 B Section 1 6 No minimum number of turns open when B belt is used on pulleys 6 O D or larger E Blower Belt Adjustment Maximum life and wear can be obtained from belts only if pro...

Page 9: ...5 8 Example Deflection distance of a 400mm span would be 6mm 3 Measure belt deflection force For a new 2 and 3hp belt the deflection force should be 5 0 7 0 lbs 35 48kPa For a new 5hp belt the deflec...

Page 10: ...0 49 650 0 70 719 0 87 786 0 98 852 1 09 915 1 20 972 1 32 1026 1 47 1076 1 65 2250 533 0 41 599 0 62 667 0 82 735 0 99 802 1 10 866 1 21 928 1 33 984 1 46 1037 1 63 1085 1 81 1132 2 01 1178 2 21 122...

Page 11: ...913 1 57 968 1 74 1020 1 93 1068 2 13 1116 2 34 1165 2 56 1215 2 78 1268 3 01 3000 620 0 95 678 1 11 741 1 25 806 1 40 870 1 58 930 1 75 985 1 94 1036 2 14 1084 2 36 1131 2 58 1180 2 80 1230 3 02 128...

Page 12: ...0 25 0 34 0 07 0 12 0 22 5750 0 27 0 25 0 31 0 45 0 07 0 12 0 25 6000 0 29 0 27 0 33 0 52 0 08 0 13 0 27 BLOWER DATA FACTORY INSTALLED BELT DRIVE KIT SPECIFICATIONS Nominal hp Maximum hp Drive Kit Nu...

Page 13: ...tructions provided with thermostat 2 No Economizer Installed in Unit A first stage cooling demand Y1 will energize compressor 1 and both condenser fans An increased cooling demand Y2 will energize com...

Page 14: ...or ambient and a measured suction pressure of 130psig the target liquid temperature is 103 F For a measured liquid temperature of 106 F add charge in increments until measured liquid temperature agree...

Page 15: ...337 115 385 118 436 121 492 Circuit 1 110 253 118 297 126 346 128 398 136 450 135 505 113 260 122 302 130 351 137 404 144 458 143 515 119 240 124 281 128 322 131 368 135 419 138 473 Circuit 2 124 244...

Page 16: ...19 337 120 383 121 430 127 491 Circuit 1 124 265 132 309 137 355 141 405 145 459 145 515 129 268 138 312 146 363 153 415 159 472 160 530 116 260 119 298 123 340 126 385 131 437 136 405 125 266 128 306...

Page 17: ...161 474 161 531 114 265 115 302 119 345 122 390 125 443 130 496 Circuit 2 121 269 125 310 127 354 131 401 134 448 137 498 132 279 140 319 145 365 148 414 152 469 155 524 137 284 147 329 155 379 163 4...

Page 18: ...g jumper is in the TEST position at power up the defrost control will ignore the test pins When the jumper is placed across the TEST pins for two seconds the control will enter the defrost mode If the...

Page 19: ...actory with temporary filters Replace filters before building is occupied Damage to unit could result if filters are not re placed with approved filters Refer to appropriate codes Approved filters sho...

Page 20: ...with water following cleaning Note Remove all screws and gaskets prior to cleaning procedure and replace upon completion J Supply Air Blower Wheel Annually inspect supply air blower wheel for accumul...

Reviews: