Bard PA13481-A, PA13421-A, PA13481-B, PA13601-A, PA13421-B, PA13601-B Contents

CONTENTS

Getting Other Informations and Publications	........ 3	Start Up and Operation
		General	15
General Instructions		Topping Off System Charge	15
Important	4	Safety Practices	15
Shipping Damage	4	Start Up Notes	15
General	4	Three Phase Scroll Compressor Start Up
Field Installed Heater Packages (Optional)	4	Information	16
		Sequence of Operation	16
Installation		Indoor Blower Motor	16
Location	9	Compressor Control Module	16 & 17
Slab Mounting	9	Adjustments	17
Typical Installations	9 & 12	Low Ambient Control	17
Condensate Drain Trap	12
Air Filters	12	Service and Troubleshooting
Wiring – Main Power	13	Service Hints	18
Wiring – 24V Low Voltage Control Circuit	13	Pressure Service Ports	18
Transformer Taps	13	Refrigerant Charge	18
Thermostats	13	Fan Blade Settings	18
		Suction and Discharge Tube Brazing	19
		Troubleshooting ECM Blower Motors	20-21
		Pressure Tables	22 & 23

Figures			Tables
Figure 1	Unit Dimensions	8	Table 1	Rated CFM & ESP	4
Figure 2	Slab Mounting at Ground Level	10	Table 2	Electrical Specifications	5
Figure 3	Airflow and Service Access		Table 3	Opt. Field Installed Heater Packages	6
	Clearances	10	Table 4	Opt. Field Installed Elec. Heater	7
Figure 4	Elevated Mounting Platform	11	Table 5	Filter Requirements & Sizes	12
Figure 5	Condensate Drain Trap	12	Table 6	Thermostat Wire Size	13
Figure 6	Low Voltage Wiring	14	Table 7	Wall Thermostat and Subbase
Figure 7	Low Ambient Control Wiring	17		Combinations	13
Figure 8	Fan Blade Setting	18	Table 8	Refrigerant Charge	18
Figure 9	Brazing Diagram	19	Table 9	Fan Blade Setting Dimensions	18
Figure 10 Control Disassembly		21	Table 10	Indoor Blower Performance	18
Figure 11	Winding Test	21	Table 11	Pressure Table	22
Figure 12	Drip Loop	21	Table 12	Pressure Table	23

Manual	2100-467
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