Benutzerhandbuch für Bard I48H1

Inhaltsverzeichnis

• Service Hints

  31
• For more information, contact these publishers:

  3
• Sequence of Operation

  32
• General & ANSI Z535.5 Definitions

  4
• Pressure Service Ports

  32
• Lowering Outdoor Fan Speed for Sound

  32
• I-TEC Model Nomenclature

  5
• Defrost Cycle

  33
• Shipping Damage, Unit Removal From Skid

  8
• Handling Unit After Removal From Skid

  8
• Gen. Description, Control Wiring & Rec. Seq.

  34
• Required Steps after Final Placement

  9
• Setting the Ventilation CFM Levels

  34
• Minimum Installation Height

  9
• Duct Work, Supply Duct Connections & Filters

  17
• Description & Control Wiring

  37
• Condensate Drain

  18
• Setting the Ventilation CFM Levels

  37
• With No Vent Option and With CRV & ERV

  18
• Economizer Seq. of Operation

  38
• Heating & Vent Mode

  39
• Mounting the Unit & Wiring — Main Wiring

  21
• General Description & Control Wiring

  40
• Recommended Control Sequences

  41
• R-410A Refrigerant Required

  30
• Topping Off System Charge

  30
• Changing to Fully Modulating Mode

  41
• Safety Practices

  30
• Configuring Control for ERV Mod. Control

  47
• Description of Standard Equipment

  31
• Maintenance (Gen., Frequency, Clean & Perform.)

  49
• Important Installer Note

  31
• Phase Monitor

  31
• Three Phase Scroll Compressor

  31
• Checking Temperature Sensor

  52
• Replacing the Motor

  54
• Figure 1 Unit Dimensions

  7
• Troubleshooting Indoor ECM™ Motor

  55
• Figure 2A & 2B Unit on Lift & Unit Side

  8
• Fan Blade Setting Dimensions

  57
• Wall Mounting Bracket Location

  9
• Refrigerant Charge

  57
• Bracket Wall Sect. View & Wood Framed Install

  10
• Figure 3 Center of Gravity

  11
• Figure 4 Req. Clearances & Rec. Access

  12
• Figure 5 Compressor Shipping Bolts

  13
• Figure 29 Hub Assembly w/Ball Bearings

  50
• Figure 6 Removal of Air Duct

  13
• Figure 30 Control Disassembly

  56
• Figure 7A Ducted Application

  14
• Figure 31 Winding Test

  56
• Figure 7B 3" Riser Application

  15
• Figure 32 Drip Loop

  56
• Figure 7C 6" Riser Application

  16
• Figure 33 Control Connector Motor Half

  57
• Figure 8 Supply Duct Connections

  17
• Figure 9 Filter Location

  17
• Figure 10 Drain Locations

  18
• Table 1 Factory Built-In Electric Heat Table

  5
• Table 1A Indoor Blower Performance

  5
• Figure 12 Component Location

  21
• Table 2 Elec. Specifications

  6
• Figure 13 Basic Heat Pump w/No Vent Pkg.

  23
• Center of Gravity Reference Table

  11
• Figure 14 HP w/CRV, without CO2 Control

  24
• Table 3 Operating Voltage Range

  22
• Figure 15 HP with CRV & CO2 Control

  25
• Table 4 Wall Thermostats

  22
• Figure 16 HP with ERV, w/o CO2 Control

  26
• Low Voltage Connections for DDC Control

  22
• Figure 17 HP with ERV & CO2 Control

  27
• Figure 18 HP w/ERV & CO2 Control (Fully Mod.)

  28
• Summer Cooling & Winter Heating

  42
• Table 5 Troubleshooting

  51
• Figure 20 Defrost Cycle

  33
• Table 6 Temp. vs Resistance of Temp. Sensor

  52
• Figure 21 CRV Motor Speed/CFM Configuration

  35
• Table 7 Troubleshooting ECM™ 142R

  54
• Figure 22 CRV Speed Change Terminal Access

  36
• Table 8 Cooling Mode

  54
• Figure 23 Economizer Control Circuit

  38
• Table 9 Heat Pump Mode

  54
• Figure 24 Motor Speed / CFM Configuration

  39
• Troubleshooting ECM™ Blower Motors

  57
• Fig. 25A ERV Manual Mode "M" Terminal

  43
• Power Connector

  57
• Fig. 25B ERV Mod. Mode "P" Terminal

  43
• Table 10A Pressures: Full Load Cooling

  58
• Figure 26 Ventilation Airflow Diagram

  44
• Table 10B Pressures: Full Load Heating

  58
• Figure 27 ERV Control Access

  45
• Table 11A Pressures: Part Load Cooling

  59
• Figure 28 Control Board Config./Setting

  46
• Table 11B Pressures: Part Load Heating

  59