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Nu-Air NU0820, Руководство по эксплуатации продукта

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Document # CSM001  Revision Date: August 9, 2016 

 

Page 

12

 of 

48

 

 

Содержание NU0820

Страница 1: ... NU U2 20 03 35 5 N NU U2 25 54 40 0 N NU U1 10 03 30 0 LEAVE THIS DOCUMENT WITH THE BUILDING OWNER Specifications dimensions and ratings may change without notice as a result of ongoing product development and improvements P O Box 2758 Windsor Nova Scotia B0N 2T0 Ph 902 798 2261 Fax 902 798 2557 www nu airventilation com email nuair nu airventilation com ...

Страница 2: ... Curb 16 5 6 NU1030 and NU2540 Curb 17 6 PERFORMANCE DATA EFFECTIVENESS 18 6 1 NU0820 NU1030 18 6 1 1 HRV 18 6 1 2 ERV 18 6 2 NU0820 Face and By Pass 19 6 2 1 HRV 19 6 2 2 ERV 19 6 2 3 19 6 3 NU1030 face and by Pass 20 6 3 1 HRV 20 6 3 2 ERV 20 6 4 NU2035 NU2540 21 6 4 1 HRV 21 6 4 2 ERV 21 6 5 NU2035 NU2540 Face and By Pass 22 6 5 1 HRV 22 6 5 2 ERV 22 7 PERFORMANCE DATA FANS 23 7 1 NU0820 HRV 23...

Страница 3: ...ta Drives 28 9 ELECTRICAL Data 29 9 1 Motors all units 29 9 2 Electrical Schematics 29 10 Installation 40 10 1 Remote Control 40 10 1 1 INSTALLATION INSTRUCTIONS 40 10 2 Installation Basics 40 10 3 Mounting The Unit Roof Top Units 40 10 4 Connecting To Other Equipment 42 10 5 Controls And Electrical Connection 42 10 6 Balancing The System 43 10 7 COMMISSIONING AND START UP COMPLIANT SERIES 44 11 M...

Страница 4: ...exchanger ERV models transfer latent energy moisture from the higher to lower air stream A Two fan motor sets deliver fresh air into the space and exhaust stale air from the space B Incoming fresh air is filtered before flowing through the heat exchange core C Stale air flows through the cross flow heat exchanger and transfers the heat HRV and moisture ERV to the incoming fresh air D Warm fresh ai...

Страница 5: ...08 3 1 speed O O O O 460 3 1 speed O O O O 575 3 1 speed O O O O Core Polypropylene S S S S Enthalpy Cabinet Finish Galvanized Steel S S S S Painted Aluminum white Supply air Dampers None S S S S Motorized Exhaust Air Dampers None S S S S Gravity Supply Air discharge Horizontal end O S O O Vertical down O S S Return air intake Horizontal end O S Vertical down O S S VFD Premium efficiency motors 89...

Страница 6: ... 1 sided Recirculation 3 4 2 3 1 sided Recirculation 3 1 2 3 Recirculation N A 4 Face and by Pass 1200 cfm max 4 Face and by Pass 1200 cfm max 4 Face and by Pass 1200 cfm max 4 Face and by Pass 1200 cfm max 4 1 4 2 3 1 3 2 E F G H 2 3 1 3 2 4 1 4 NU0820 Port and Defrost Configurations 1 Outside Air OA 2 Supply Air SA 3 Return Air RA 4 Exhaust Air EA 1 4 2 4 1 3 2 3 A B C D 3 2 3 1 4 2 4 1 Defrost ...

Страница 7: ...August 9 2016 Page 7 of 48 3 2 NU1030 NU2035 NU2540 1 4 2 4 1 3 2 3 A B C D 3 2 3 1 4 2 4 1 4 1 4 2 3 1 3 2 E F G H 2 3 1 3 2 4 1 4 1 OA 2 SA 3 RA 4 EA NU1030 NU2540 Not Available in these models NU2035 Not Available in these models ...

Страница 8: ...ngers shall be certified and currently listed AHRI and shall meet UL 94 flame spread and smoke generation requirements Storage and Handling Unit shall not be used during construction Unit shall be stored and handled according to the manufacturer s instructions Warranty Unit shall have a 2 year warranty on all parts except the core which has a 15 year warranty polypropylene or 5 year warranty entha...

Страница 9: ...n a NEMA4 enclosure with integral non fused disconnect switch The unit shall be c w 24 VAC control transformer with 200 VA for internal and remote controls Filtration Unit shall come complete with 2 thick MERV 8 filters standard Unit shall come complete with 2 thick MERV 13 filters optional Heat exchanger Polypropylene core constructed of flame retardant material and certified and currently listed...

Страница 10: ...rost when outside air is cold enough to freeze condensate The exhaust fan shuts down the recirculation damper opens the gravity and motorized back draft dampers close The defrost cycle occurs for a field selectable length of time followed by a field selectable time of normal operation The cycle repeats as long as the outside air temperature warrants 5 Face and by Pass a temperature sensor initiate...

Страница 11: ...e switches not supplied End switch An auxiliary contact from each motor starter shall be provided This contact is shipped dry but can be made 24VAC by moving a jumper Roof Curb A 14 roof curb shall be supplied by the equipment manufacturer 5 DIMENSIONAL DATA 5 1 NU0820 ...

Страница 12: ...Document CSM001 Revision Date August 9 2016 Page 12 of 48 ...

Страница 13: ...Document CSM001 Revision Date August 9 2016 Page 13 of 48 5 2 NU1030 ...

Страница 14: ...Document CSM001 Revision Date August 9 2016 Page 14 of 48 5 3 NU2035 ...

Страница 15: ...Document CSM001 Revision Date August 9 2016 Page 15 of 48 5 4 NU2540 ...

Страница 16: ...Document CSM001 Revision Date August 9 2016 Page 16 of 48 5 5 NU0820 Curb ...

Страница 17: ...Document CSM001 Revision Date August 9 2016 Page 17 of 48 5 6 NU1030 and NU2540 Curb ...

Страница 18: ...le Winter Total Summer AHRI Rating Point 100 AHRI Rating Point 75 Ratings outside the scope of the AHRI Energy Recovery Ventilation Certification Program Model no EXC 17S 20H 250 Type Plate Nominal Air Flow scfm 550 Pressure drop inches 0 35 Leakage Ratings Diff Pressure EATR OACF Test 1 0 5 0 00 1 00 Test 2 0 0 00 1 00 Test 3 0 5 0 00 1 00 Thermal Effectiveness Ratings at 0 Pressure Differential ...

Страница 19: ...Eff Sensible Winter Total Summer AHRI Rating Point 100 AHRI Rating Point 75 Ratings outside the scope of the AHRI Energy Recovery Ventilation Certification Program Model no EXC 17S 20H 250 Type Plate Nominal Air Flow scfm 550 Pressure drop inches 0 35 Leakage Ratings Diff Pressure EATR OACF Test 1 0 5 0 00 1 00 Test 2 0 0 00 1 00 Test 3 0 5 0 00 1 00 Thermal Effectiveness Ratings at 0 Pressure Dif...

Страница 20: ...nsible Winter Total Summer AHRI Rating Point 100 AHRI Rating Point 75 Ratings outside the scope of the AHRI Energy Recovery Ventilation Certification Program Model no EXC 17S 20H 250 Type Plate Nominal Air Flow scfm 550 Pressure drop inches 0 35 Leakage Ratings Diff Pressure EATR OACF Test 1 0 5 0 00 1 00 Test 2 0 0 00 1 00 Test 3 0 5 0 00 1 00 Thermal Effectiveness Ratings at 0 Pressure Different...

Страница 21: ... Sensible Winter AHRI Rating Point 75 AHRI Rating Point 100 Ratings outside the scope of the AHRI Energy Recovery Ventilation Certification Program NU2035 NU2540 ERV 0 10 20 30 40 50 60 70 80 90 0 500 1000 1500 2000 2500 3000 3500 4000 cfm Eff Sensible Winter Total Summer AHRI Rating Point 75 AHRI Rating Point 100 Ratings outside the scope of the AHRI Energy Recovery Ventilation Certification Prog...

Страница 22: ... cfm Eff Sensible Winter Total Summer AHRI Rating Point 75 AHRI Rating Point 100 Ratings outside the scope of the AHRI Energy Recovery Ventilation Certification Program Model no EXC 24S 15H 250 Type Plate Nominal Air Flow scfm 750 Pressure drop inches 0 63 Leakage Ratings Diff Pressure EATR OACF Test 1 0 5 0 00 1 00 Test 2 0 0 00 1 00 Test 3 0 5 0 00 1 00 Thermal Effectiveness Ratings at 0 Pressur...

Страница 23: ...244 0 92 1342 1 h p 1 5 h p 1500 0 34 781 0 45 909 0 58 1037 0 72 1154 0 86 1260 1 01 1357 1600 0 40 816 0 51 936 0 65 1058 0 79 1172 0 94 1277 1 09 1374 1700 0 46 851 0 58 966 0 72 1080 0 87 1191 1 02 1294 1 18 1390 1800 0 54 887 0 66 997 0 80 1103 0 95 1211 1 12 1312 1 28 1407 1900 0 62 924 0 75 1030 0 89 1129 1 05 1233 1 12 1332 1 39 1424 2000 0 70 961 0 84 1063 0 99 1158 1 15 1256 1 32 1352 1 ...

Страница 24: ...00 0 37 850 0 49 987 0 62 1109 0 75 1219 0 89 1319 1 03 1410 1500 0 43 888 0 56 1018 0 70 1137 0 84 1245 0 98 1343 1 13 1435 1600 0 51 932 0 64 1054 0 79 1169 0 93 1274 1 09 1371 1 24 1461 1700 0 60 978 0 74 1093 0 89 1203 1 04 1305 1 20 1400 1 37 1488 1800 0 69 1023 0 84 1130 0 99 1236 1 16 1336 1 32 1429 1900 0 80 1065 0 94 1166 1 10 1268 1 27 1365 1 45 1456 2000 0 92 1114 1 07 1209 1 24 1307 1 ...

Страница 25: ...02 0 33 948 0 43 1071 0 54 1179 0 64 1276 1100 0 17 656 0 27 826 0 37 969 0 48 1091 0 60 1199 0 71 1296 3 4 h p 1200 0 21 682 0 31 841 0 42 982 0 53 1104 0 65 1213 1300 0 25 714 0 35 863 0 47 1000 0 59 1121 0 72 1229 1 h p 1400 0 29 746 0 40 884 0 52 1017 0 65 1136 0 79 1243 1 h p 1500 0 34 782 0 45 910 0 58 1038 0 72 1155 0 86 1261 1600 0 40 817 0 52 937 0 65 1059 0 79 1173 0 94 1278 1 5 h p 1 h ...

Страница 26: ...4 1130 0 99 1236 1 16 1336 1 32 1429 1900 0 80 1065 0 94 1166 1 10 1268 1 27 1365 1 45 1456 2000 0 92 1114 1 07 1209 1 24 1307 1 41 1401 1 60 1489 2100 1 05 1161 1 20 1250 1 38 1344 0 5 h p 1 5 h p 7 8 NU1030 ERV Face and By Pass Face and by pass core CFM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM 1 2 h p 3 4 h p ESP 0 25 0 50 0 75 1 00 1 25 1 50 ESP ESP ESP ESP ESP 800 0 18 776 0 26 921 0 35...

Страница 27: ... 20 683 1 39 746 1 82 863 2 07 980 2 28 1034 2 50 1085 2 89 1167 3800 1 29 700 1 49 761 1 93 876 2 17 990 2 39 1043 2 62 1095 3900 1 40 719 1 61 779 2 05 892 2 29 1003 2 52 1055 2 75 1106 4000 1 51 738 1 72 797 2 18 906 2 42 1015 2 65 1067 2 88 1117 3 0 h p 1 5 h p 7 10 NU2035 NU2540 Face and By Pass HRV NU2035 and NU2540 Face and by Pass ESP 1 75 ESP 2 0 1 0 h p ESP 1 0 ESP 1 2 ESP 1 4 ESP 0 ESP ...

Страница 28: ... 1 40 1010 1 54 1063 1 68 1112 3000 1 24 927 1 39 986 1 54 1038 1 68 1090 1 82 1138 3100 1 37 957 1 52 1014 1 67 1065 1 82 1116 3200 1 50 987 1 66 1042 3300 1 65 1018 1 81 1072 3400 1 81 1051 1 97 1103 3500 1 97 1080 2 14 1131 ESP 0 4 ESP 0 6 ESP 0 8 ESP 1 0 ESP 1 2 ESP 1 4 ESP 1 5 ESP 0 ESP 0 2 7 12 NU2035 and NU2540 ERV face and by pass CFM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM...

Страница 29: ...Page 29 of 48 9 ELECTRICAL DATA 9 1 Motors all units 9 2 Electrical Schematics Several common electrical schematics are found below The as built schematic for this unit was supplied with the equipment and is available from the factory by request ...

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Страница 40: ...s Combustion appliances such as furnaces and hot water heaters must not draw combustion air directly from an HRV 10 2 Installation Basics ASHRAE Standard 62 99 recommends the following Ventilation systems should be designed to prevent re entrainment of exhaust contaminants condensation or freeze ups and growth of microorganisms Make up air inlets and exhaust air outlets shall be located to avoid c...

Страница 41: ...V lifted connect the drain hose to the spouts from underneath feed the fresh air hose through the center curb member and tee into the exhaust drain 7 Lift the unit onto the curb Do not drag on the roof 8 Tie in the supply and return ducts electrical wiring and run condensate drain into the conditioned space through the exhaust air duct 9 Do not drain to the roof ...

Страница 42: ...r If the air handler is started first the HRV s fresh air fan will rotate backward and the motor may not be able to overcome the extra load causing the motor to over amp and potentially damage the blower wheel 10 5 Controls And Electrical Connection A single point connection of mains power in the starter box powers the HRV HRV must be connected to a power source of voltage and phase indicated on t...

Страница 43: ...open to decrease rpm Once the HRV system is installed do the following Close all windows and doors Turn off any exhaust only systems To balance the HRV set the machine on high speed Make a small hole in the supply duct at least 10 feet downstream of the fan Insert a Pitot tube in the cross sectional center of the duct Measure the pressure with a digital manometer or magnehelic gauge Record the val...

Страница 44: ...r supplied turn on the disconnect switch and start the HRV with the selector e g hand or auto Verify correct fan rotation Supply Fan Exhaust Fan Fan rotation can be reversed by disconnecting the power and reversing any 2 legs of the three phase feed If equipped confirm motorized dampers are operational The defrost system has been factory tested Optionally during commissioning this can be verified ...

Страница 45: ...s if needed During the air balancing procedure the balancer will measure the amp draw of each motor with all access covers closed and ensure it is less than the rated FLA If the amp draw is greater than the FLA plus service factor the fan rpm must be lowered A final balancing report will include fan and motor rpm individual and total motor amps voltage on each leg unit and branch duct cfm external...

Страница 46: ...ce stores b FANS When cleaning the filters take the opportunity to vacuum any interior surfaces including the fan blades c MOTORS The motors are equipped with permanently sealed and lubricated bearings d BELTS Inspect belts for wear and cracks Replace as required Inspect belts for mis alignment and proper tension during maintenance e CONDENSATE DRAIN Twice per year wipe clean the condensate drain ...

Страница 47: ...ion when replacing the core in the HRV g EXTERIOR HOODS Regularly check the outside vents and clean any obstructions such as grass leaves or other debris Do not replace the screen with mesh smaller than 1 4 as this will restrict airflow During winter operation ensure snow and frost does not build up and restrict or block openings ...

Страница 48: ...ERV core to be free from defects for a period of 5 years Should a manufacturing defect occur during the warranty period Nu Air will supply replacement parts FOB our plant at no charge Labour costs to remove and reinstall these parts are not covered under this warranty This warranty is expressly in lieu of all other warranties or obligations and in no event shall Nu Air be liable for consequential ...

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