Table Of Contents - Bard I-TEC Series Installation Instructions Manual

CONTENTS
Getting Other Information and Publications .........3
General ...................................................................4
ANSI Z535.5 Definitions ...........................................4
I-TEC Series General Information .............................5
I-TEC Model Nomenclature .......................................5
Shipping Damage .....................................................8
Unit Removal From Skid ...........................................8
Handling Unit After Removal from Skid ......................9
Required Steps After Final Placement ......................10
Minimum Installation Clearances .............................10
Securing Unit to Structure ......................................10
Seismic Considerations ...........................................10
Rubber Mat ...........................................................10
Duct Work..............................................................16
Filters ...................................................................16
Condensate Drain ...................................................17
Installation ..................................................................20
Mounting the Unit ..................................................20
Wiring - Main Wiring ..............................................20
Wiring - Low Voltage Wiring ....................................20
Low Voltage Connections .........................................21
General .................................................................21
Figures
Figure 1 Unit Dimensions ....................................7
Center of Gravity ....................................8
Figure 2A Unit on Lift ...........................................9
Figure 2B Unit Side ..............................................9
Wall Mounting Bracket Location ............10
Bracket Wall Section View ....................11
Wood Framed Installation .....................11
Figure 3 Compressor Shipping Bolts ...................12
Figure 4 Removal of Air Duct .............................12
Figure 5A Ducted Application ..............................13
Figure 5B 3" Riser Application .............................13
Figure 5C 6" Riser Application .............................14
Figure 5D Required Clearances and
Recommended Access..........................15
Figure 6 Supply Duct Connections ......................16
Figure 7 Filter Location .....................................16
Figure 8 Drain Locations ...................................17
Figure 9A Unit Mounting .....................................18
Figure 9B Unit Mounting .....................................19
Figure 10 Component Location ............................20
Figure 11 Basic Heat Pump w/No Vent Pkg. ..........22
Figure 12 Heat Pump w/CRV, without CO
Figure 13 Heat Pump with CRV & CO
Figure 14 Heat Pump Control Defrost Cycle...........28
Figure 15 CRV Motor Speed/CFM Configuration .....30
Figure 16 CRV Speed Change Terminal Access ......31
Figure 17 Ventilation Airflow Diagram ...................32
Figure 18 Indoor Condensate Overflow Switch .......35
Figure 19 Outdoor Condensate Sensor ..................35
Manual 2100-578L
Page 2 of 42
Start Up ........................................................................25
General .................................................................25
Topping Off System Charge .....................................25
Safety Practices .....................................................25
Description of Standard Equipment ..........................26
Important Installer Note ..........................................26
Phase Monitor ........................................................26
Three Phase Scroll Compressor Start Up Information .26
Service Hints .........................................................26
Sequence of Operation ............................................27
Pressure Service Ports ............................................27
Defrost Cycle .........................................................28
I-TEC Commercial Room Ventilator System .........29
General Description ................................................29
Control Wiring ........................................................29
Recommended Control Sequences ...........................29
Setting the Ventilation CFM Levels ...........................29
Troubleshooting .........................................................33
Solid State HP Control ............................................33
Checking Temperature Sensor ..................................34
Troubleshooting Condensate Overflow Systems ..........35
Troubleshooting ECM™ 142R Outdoor Fan Motors ....36
Troubleshooting ECM™ Indoor Blower Motors ...........38
Fan Blade Setting Dimensions .................................41
Refrigerant Charge ..................................................41
Figure 20
Figure 21
Figure 22
Figure 23
Figure 24
Figure 25
Tables
Table 1
Table 1A
Table 2
Table 3
Table 4
Table 5
Table 6
Table 7
Table 8
Table 9
Control ..23
2
Control .......24
Table 10A
2
Table 10B
Table 11A
Table 11B
Outdoor Condensate Control ..................35
Control Disassembly .............................39
Winding Test .......................................39
Drip Loop ............................................39
Control Connector Motor Half ................40
Fan Blade Position ...............................41
Factory Built-In Electric Heat Table .........5
Indoor Blower Performance .....................5
Electrical Specifications .........................6
Center of Gravity Table ...........................8
Operating Voltage Range .......................21
Wall Thermostats .................................21
Troubleshooting ...................................33
Temperature (F) vs. Resistance (R) of
Temperature Sensor .............................34
Troubleshooting ECM™ 142R Outdoor
Fan Motors ..........................................37
Cooling Mode ......................................37
Heat Pump Mode .................................37
Troubleshooting ECM™ Indoor
Blower Motors .....................................40
Power Connector ..................................40
Full Load Cooling
Pressure/Temperature ...........................42
Full Load Heating
Pressure/Temperature ...........................42
Part Load Cooling
Pressure/Temperature ...........................42
Part Load Heating
Pressure/Temperature ...........................42