Bard P1224A2, P1124A3 installation instructions Contents

CONTENTS

Getting Other Informations and Publications		Start Up and Operation
General Instructions		Three Phase Scroll Compressor Start Up
		Information	17
Important	2	Sequence of Operation	17
Shipping Damage	2	Start Up Notes	17
General	2	Indoor Blower Motor	17
Field Installed Heater Packages (Optional)	2	Compressor Control Module	17
Installation		Adjustments	18
Location	9	Service and Troubleshooting
Typical Installations	9	Service Hints	19
Condensate Drain Trap	14	Pressure Service Ports	19
Air Filters	14	Refrigerant Charge	19
Wiring – Main Power	15	Fan Blade Settings	19
Wiring – 24V Low Voltage Control Circuit	15	Suction and Discharge Tube Brazing	20
Transformer Taps	15	Pressure Table	14
Thermostats	15	Wiring Diagrams	15-16
		Troubleshooting ECM Blower Motors	23-24

Figures Tables

Figure 1	Unit Dimensions	8
Figure 2	Slab Mounting at Ground Level	10
Figure 3	Airflow and Service Access
	Clearances	10
Figure 4	Roof Top Application	11
Figure 5	Elevated Mounting Platforms	11
Figure 6	Prefabricated Rood Curb
	Specifications	12
Figure 7	Field Fabricated Curbing	13
Figure 8	Condensate Drain Trap	14
Figure 9	Low Voltage Wiring	16
Figure 10 Fan Blade Setting		19
Figure 11	Brazing Diagram	20

Table 1	Rated CFM & ESP	2
Table 2	Electrical Specifications	3
Table 2A	Electrical Specifications	4
Table 2B	Electrical Spedifications	5
Table 3	Option Field Installed Heater Packages . 6
Table 4	Electric Heater Table	8
Table 5	Unit Dimensions	5
Table 6	Roof Curb Details	13
Table 7	Dimension for Figure 7	13
Table 8	Filter Requirements & Sizes	14
Table 9	Thermostat Wire Size	15
Table 10	Wall Thermostat and Subbase
	Combinations	15
Table 11	Suction Line Temperatures	19
Table 12	Fan Blade Setting Dimensions	19
Table 13	Indoor Blower Performance	20
Table 14	Pressure Table	21
Table 14A Pressure Table		22