Bard PH1224 User Manuals

Table of Contents

• Getting Other Informations and Publications

  1
• General Instructions

  3
• Specifications

  4
• Important

  3
• Shipping Damage

  3
• Field Fabricated Curbing

  4
• General

  3
• Elevated Mounting Platforms

  6
• Field-Installed Heater Packages (Optional)

  3
• Clearances

  6
• Installation

  5
• Roof Top Application

  7
• Location

  5
• Slab Mounting at Ground Level

  7
• Typical Installations

  5
• Condensate Drain Trap

  8
• Condensate Drain Trap

  8
• Low Voltage Wiring

  9
• Air Filters

  8
• Wiring – Main Power

  9
• Wiring (5 and 10 KW)

  11
• Wiring – 24V Low Voltage Control Circuit

  9
• Thermostats

  10
• Wiring )15 KW ONLY)

  11
• Thermostat Indicator Lamps

  11
• Emergency Heat Position

  11
• Heat Pump Control Board

  13
• Transformer Taps

  11
• Fan Blade Setting Dimensions

  14
• Figure 13 Brazing Diagram

  17
• Thermostat Wiring

  11
• Start Up and Operation

  12
• Table 1 Electrical Data

  2
• Information

  12
• Packages

  2
• Sequence of Operation

  12
• Table 3 Optional Field Installed Heater Table

  2
• Defrost Cycle

  12
• Start Up Notes

  12
• Table 4 Rated CFM and Rated ESP

  3
• Table 5 Air Filter Area and Size

  8
• Service and Troubleshooting

  14
• Table 6 Thermostat Wire Size

  9
• Service Hints

  14
• Table 7 Heat Pump Thermostats

  10
• Pressure Service Ports

  14
• Refrigerant Charge

  14
• Cut-Off Wiring (5 and 10 KW)

  11
• Fan Blade Settings

  14
• Cut-Off Wiring (15 KW ONLY0

  11
• Troubleshooting Procedure

  14
• Table 10 Refrigerant Charge

  14
• Troubleshooting Guide

  15
• Table 11 Pressure Table - Cooling

  18
• Checking Temperature Sensor Check Out

  16
• Table 12 Pressure Table - Heating

  18
• Temperature Sensor Chart

  16
• Suction and Discharge Tube Brazing

  17
• Pressure Tables

  18