Installation guide

3
TABLE OF CONTENTS
1. T ECHNICAL DATA .................................................................................................................................................................4
1.1 AIR DISTRIBUTION ...................................................................................................................................................................... .4
1.2 D
EFROST CYCLES ........................................................................................................................................................................ 4
1.3 DIMENSIONS................................................................................................................................................................................ 4
2 TYPICAL INSTALLATIONS ........................................................................................................................................................5
2.1 FULLY DUCTED SYSTEM .............................................................................................................................................................. .5
2.2 CENTRAL DRAW POINT ................................................................................................................................................................. 5
2.3 SIMPLIFIED INSTALLATION ............................................................................................................................................................... 5
2.4 ATTIC INSTALLATION FOR ERV EKO 1.5 ONLY .................................................................................................................................. 6
3 INSTALLATION .................................................................................................................................................................6-11
3.1 INSPECT THE CONTENT OF THE BOX ............................................................................................................................................. .6
3.2 UNIT DOOR(S) ........................................................................................................................................................................... 6
3.3 LOCATING THE UNIT ..................................................................................................................................................................... 6
3.4 PLANNING OF THE DUCTWORK ....................................................................................................................................................... 7
3.5 CALCULATING DUCT SIZE ............................................................................................................................................................. 7
3.6 INSTALLING THE DUCTWORK AND REGISTERS .................................................................................................................................8-9
3.7 CONNECTING THE DUCTS TO THE UNIT ......................................................................................................................................... 10
3.8 INSTALLING TWO EXTERIOR HOODS ...............................................................................................................................................11
3.9 CONNECTING THE DRAIN .............................................................................................................................................................11
4. CONTROLS ..................................................................................................................................................................12-15
4.1 UNITS BOOTING SEQUENCE ........................................................................................................................................................ 12
4.2 INTEGRATED CONTROL ................................................................................................................................................................ 12
4.3 SPEED AND DEFROST SETTINGS FOR ERV EKO 1.5, HRV EKO 1.5, ERV 90H-V ECM AND HRV 90H-V ECM UNITS ...................... 13
4.4 SETTING EXTENDED DEFROST FOR CONSTRUCTO 1.5V AND 90H-V UNITS ........................................................................................ 13
4.5 ELECTRICAL CONNECTION TO MAIN CONTROLS ..............................................................................................................................14
4.6 ELECTRICAL CONNECTION TO OPTIONAL AUXILIARY CONTROLS ......................................................................................................... 15
5. ELECTRICAL CONNECTION TO THE FURNACE ...........................................................................................................................16
6. WIRING DIAGRAMS ....................................................................................................................................................... 17-18
7. B ALANCING THE UNIT .........................................................................................................................................................19
7.1 WHAT YOU NEED TO BALANCE THE UNIT ...................................................................................................................................... 19
7.2 PRELIMINARY STAGES TO BALANCE THE UNIT.................................................................................................................................. 19
7.3 BALANCING PROCEDURE ............................................................................................................................................................. 19
8. SERVICE PARTS ................................................................................................................................................................20
9. TROUBLESHOOTING ....................................................................................................................................................... 21-22