Manual 2100-708A
Page
2 of 17
General Information ...............................................3
Economizer Model Nomenclature ........................... 3
Unpacking ..........................................................3
General ..............................................................3
Ecomomizer Features ...........................................3
Description .........................................................3
Models ...............................................................3
Installation of Field-Installed ECON-NC5 ...........4
Basic Installation .................................................4
Blade Adjustment for Desired Ventilation Air ..........9
Figures
Figure 1 Disconnect Power ................................ 4
Figure 2 Remove Side Grilles ............................. 4
Figure 3 Remove Blower Door and Control Panel
Cover .................................................. 4
Figure 4 Remove Blank Off Plates (Both Sides) .... 5
Figure 5 Remove Exhaust Blank Off Plate ........... 5
Figure 6 Remove Air Filters and Low Voltage
Control Panel Cover .............................. 5
Figure 7 Install Outdoor Air Sensor ..................... 5
Figure 8 Route Sensor Wires and Fasten to
Motor Mount ........................................ 6
Figure 9 Remove Wire Channel Covers ................ 6
Figure 10 Install 3000-1627 Wire Harness ........... 6
Figure 11 Route Wires into Wire Channel and
Connect to Wire Harness ....................... 6
Figure 12 Pull Wire into Exhaust Area and
Fasten with Ties ................................... 7
Figure 13 Install Economizer ............................... 7
Figure 14 Control Plug Centered in Plug Access
Opening .............................................. 7
Figure 15 Connect Economizer Power Plug to
Control Panel Plug ............................... 7
Figure 16 Release the Exhaust Blade .................... 8
Figure 17 Exhaust Blade and Latch ...................... 8
Figure 18 Install Intake Sealing Frame and
Lower Block Off Plates ......................... 8
Figure 19 Install Mist Filters ................................ 8
Figure 20 Install Bug Screen and Gaskets ............. 9
Figure 21 Programmable Thermostat Connections
for ECON-NC5 with Air Conditioners .... 10
Figure 22 Programmable Thermostat Connections
for ECON-NC5 with Heat Pumps ......... 11
Figure 23 Non-Programmable Thermostat
Connections for ECON-NC5 with
Air Conditioners ................................. 12
Figure 24 Non-Programmable Thermostat
Connections for ECON-NC5 with
Heat Pumps ...................................... 13
Figure 25 Call for Ventilation With or Without
Compressor Operation ........................ 16
Figure 26 Call for Compressor or Fan Only with
Ventilation Off ................................... 16
Figure 27 Wiring Diagram .................................. 17
Graphs
Graph 1 W42AC ECON-E & WD Ventilation
Delivery .............................................. 14
Graph 2 W48AC ECON-E & WD Ventilation
Delivery .............................................. 14
Graph 3 W60AC ECON-E & WD Ventilation
Delivery .............................................. 15
Graph 4 W72AC ECON-E & WD Ventilation
Delivery .............................................. 15
CONTENTS
