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T H E   S M A R T   S O L U T I O N   F O R   E N E R G Y   E F F I C I E N C Y

N (ERV) Series

R e v. :   0 4   A p r i l ,   2 0 1 4

9

c l i m a t e m a s t e r . c o m

NB-C

ERV UNIT WIRING DIAGRAM

Notes:

1. Remove jumper to install field optional low ambient switch.
2. Selective voltage terminals for proper unit voltage.
3. Optional low ambient switch.
4. Optional motorized intake damper.
5. Optional Stop, Start and Jog Control.
6. For energy management systems c24v to “G” and common 24v to “C”.

208- 230V (1 PH)

Desiccant Wheel for Roof top Unit

Summary of Contents for NB Series

Page 1: ...ame work In winter the ERV adsorbs heat and moisture from the exhaust air stream during one half of a complete rotation and gives them back to the cold drier intake air supply during the other half rotation In summer the process is automatically reversed Heat and moisture are absorbed from incoming fresh air supply and transferred to the exhaust air stream This process allows outdoor air ventilati...

Page 2: ...CL IM ATEM ASTER WATER SOURCE HEAT PUMPS N ERV Series Rev 04 April 2014 2 ClimateMaster Water Source Heat Pumps This Page Intentionally Left Blank ...

Page 3: ...ing or an earth ground NOTE Unit voltage entries must be sealed weather tight after wiring is complete 9 Remove motor access panels Locate belts fastened to blower assembly Install belt onto motor and blower pulley Adjust motor sheave to correct blower RPM for CFM and external static pressure requirements See charts in this instruction Multiple pulley arrangements are available to meet the entire ...

Page 4: ...hen the supply blower is off to avoid depressurization should be considered FROST THRESHOLD TEMPERATURE INDOOR RH AT 70ºF FROST THRESHOLD TEMPERATURE 20 0ºF 30 5ºF 40 10ºF Recovery Wheel Mode On a thermostat call for blower operation in heating cooling or continuous blower the ERW will rotate between fresh air and exhaust air streams Both the fresh air and exhaust air blowers will also be operatin...

Page 5: ...f hand pressure does not fully seat the segment insert the flat tip of a screw driver between the wheel rim and outer corners of the segment and apply downward force while guiding the segment into place D Close and latch each segment retainer under segment retaining catch E Slowly rotate the wheel 180º Install the second segment opposite the first for counterbalance Rotate the two installed segmen...

Page 6: ...P 5 Filter rack with 2 pleated filters included ERV with Horizontal Ductwork balancing damper s field supplied B C D D E I G H F H A D D I K J ERV Data Dimensional Data ERV Series CFM Range A B C D E F G H I J K NB 300 1100 56 75 32 13 39 50 11 00 27 00 4 50 10 00 2 56 1 00 10 00 4 50 NC 1200 2000 54 38 37 25 37 50 12 00 30 00 8 00 4 00 3 63 1 50 7 00 5 00 ND 1200 2800 60 00 42 62 43 56 14 00 32 0...

Page 7: ...e Control Harness Optional J40 Jack Cycle Optional J48 Jack Control Box Fresh Air J50 Jack Control Box Wheel J51 Jack Control Box Exhaust Air J56 Jack Control Box Damper J148 Jack Fresh Air Motor Harness J150 Jack Wheel Motor Harness J151 Jack Exhaust Air Motor Harness J160 Jack Damper Motor Harness K94 Relay On O Optional K163 Contactor Exhaust Air Motor K164 Contactor Fresh Air Motor P33 Plug Cy...

Page 8: ...k Cycle Optional J48 Jack Control Box Fresh Air J50 Jack Control Box Wheel J51 Jack Control Box Exhaust Air J56 Jack Control Box Damper J148 Jack Fresh Air Motor Harness J150 Jack Wheel Motor Harness J151 Jack Exhaust Air Motor Harness J152 Jack Transformer High Voltage J160 Jack Damper Motor Harness K94 Relay On Off Optional K163 Contactor Exhaust Air Motor K164 Contactor Fresh Air Motor P33 Plug...

Page 9: ...es 1 Remove jumper to install field optional low ambient switch 2 Selective voltage terminals for proper unit voltage 3 Optional low ambient switch 4 Optional motorized intake damper 5 Optional Stop Start and Jog Control 6 For energy management systems connect 24v to G and common 24v to C 208 230V 1 PH Desiccant Wheel for Roof top Unit ...

Page 10: ... Wheel for Roof top Unit Notes 1 Remove jumper to install field optional low ambient switch 2 Step down transformer assembly for 460 575 volt units 3 Selective voltage terminals for proper unit volt age 4 Optional low ambient switch 5 Optional motorized intake damper 6 Optional Stop Start and Jog Control 7 For energy management systems connect 24v to G and common 24v to C ...

Page 11: ...or Filter in Intake Hood 2HP External Static Pressure in water 0 0 25 0 5 0 75 1 1 25 1 5 CFM 1200 990 1075 1220 1380 1480 1605 1720 1400 1030 1165 1280 1410 1520 1620 1740 1600 1135 1250 1340 1445 1570 1665 1760 1800 1240 1330 1425 1550 1625 1720 1785 2000 1295 1405 1540 1615 1705 1760 1830 Barometric Hood 2 Pleated Filters 2HP External Static Pressure in water 0 0 25 0 5 0 75 1 1 25 1 5 CFM 1200...

Page 12: ... Kit Mist Eliminator Filter in Intake Hood 3HP External Static Pressure in water 0 0 25 0 5 0 75 1 1 25 1 5 CFM 2000 735 860 920 1005 1075 1150 1220 2400 850 945 1030 1090 1110 1215 1265 2800 935 1020 1080 1145 1200 1255 1335 3200 1015 1075 1105 1195 1285 1325 1380 3600 1065 1125 1220 1305 N A N A N A Barometric Hood 2 Pleated Filters 3HP External Static Pressure in water 0 0 25 0 5 0 75 1 1 25 1 ...

Page 13: ... Mist Eliminator Filter in Intake Hood 5HP External Static Pressure in water 0 0 25 0 5 0 75 1 1 25 1 5 CFM 4600 795 900 960 1010 1090 1135 1165 5000 835 945 1000 1060 1135 1155 1230 5400 895 985 1040 1130 1155 1220 1265 5800 940 1025 1085 1145 1225 1250 1300 6200 990 1070 1105 1210 1245 1290 N A Barometric Hood 2 Pleated Filters 5HP External Static Pressure in water 0 0 25 0 5 0 75 1 1 25 1 5 CFM...

Page 14: ...cient or incorrect system design or the improper application of CM s products CM is not responsible for 1 The costs of any fl uids refrigerant or other system components or associated labor to repair or replace the same which is incurred as a result of a defective part covered by CM s Limited Express Warranty 2 The costs of labor refrigerant materials or service incurred in removal of the defectiv...

Page 15: ...THE SMART SOLUTION FOR ENERGY EFFI C I E NC Y N ERV Series Rev 0 4 A pri l 2 0 1 4 15 climatemaster com Notes ...

Page 16: ...fic information on the current design and specifications Statements and other information contained herein are not express warranties and do not form the basis of any bargain between the parties but are merely ClimateMaster s opinion or commendation of its products For the latest version of this document go to climatemaster com ClimateMaster is a proud supporter of the Geothermal Exchange Organiza...

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