Manual 2100-597G
Page 2 of 68
CONTENTS
Getting Other Information and Publications .........3
General ...................................................................4
I-TEC General Information .........................................6
I-TEC Model Nomenclature .......................................6
Shipping Damage .....................................................9
Unit Removal From Skid ...........................................9
Handling Unit After Removal From Skid .....................9
Required Steps After Final Placement ......................10
Minimum Installation Height ...................................10
Securing Unit to Structure ......................................10
Duct Work..............................................................18
Filters ...................................................................18
Condensate Drain ...................................................19
With No Vent Option ...............................................19
With Commercial Room Ventilator ............................19
With Energy Recovery Ventilator ...............................19
Installation Instructions...........................................22
Mounting the Unit ..................................................22
Wiring – Main Power ...............................................22
Wiring – Low Voltage Wiring .....................................23
Low Voltage Connections .........................................23
General .................................................................23
Start Up ........................................................................31
General .................................................................31
Topping Off System Charge .....................................31
Safety Practices .....................................................31
Description of Standard Equipment .......................... 32
Important Installer Note ..........................................32
Phase Monitor ........................................................ 32
Three Phase Scroll Compressor Start Up Information .. 32
Service Hints .........................................................32
Sequence of Operation ............................................ 33
Compressor Control Module .....................................33
Pressure Service Ports ............................................33
Lowering Outdoor Fan Speed for Sound ....................34
I-TEC Commercial Room Ventilator System
(Vent Code "M") .......................................................... 35
General Description ................................................35
Control Wiring ........................................................35
Recommended Control Sequences ...........................35
Setting the Ventilation CFM Levels ...........................35
I-TEC Combination CRV and Economizer
Ventilation System (Vent Code "N") ......................38
General Description ................................................38
Control Wiring ........................................................38
Setting the Ventilation CFM Levels ...........................39
I-TEC Economizer Sequence of Operation .................40
Heating Mode Operation .........................................40
Ventilation Mode ....................................................40
I-TEC Modulating Commercial Room
Ventilator System (Vent Code "Q") ........................41
General Description ................................................41
Control Wiring ........................................................41
Recommended Control Sequences ...........................41
Changing Ventilation CFM Rates in Manual Mode ......42
Changing to Fully Modulating Mode .........................42
Configuring Bard Part #8403-067 CO
2
Control
for CRV Modulating Control .....................................46
I-TEC Energy Recovery Ventilator System
(Vent Code "R") ...........................................................49
General Description ................................................49
Control Wiring ........................................................49
Recommended Control Sequences ...........................49
Changing Ventilation CFM Rates in Manual Mode ......50
Changing to Fully Modulating Mode .........................50
Configuring Bard Part #8403-067 CO
2
Control
for ERV Modulating Control .....................................55
Energy Recovery Ventilator Maintenance ....................57
Troubleshooting .........................................................60
Checking Temperature Sensor .................................. 60
Troubleshooting Condensate Overflow Systems ..........61
Troubleshooting ECM™ 142R Outdoor Fan Motors ....62
Troubleshooting ECM™ Indoor Blower Motors ...........64
Fan Blade Setting Dimensions .................................53
Refrigerant Charge ..................................................53
To Next Page
Loading...
