Bard Q42A1, Q30A1, Q36A1, Q60A1, Q24A1, Q48A1 installation instructions Contents

CONTENTS

Getting Other Information and Publications
For more information, contact these publishers:				3
Q-TECGeneral Information
Q-TECModel Nomenclature				4
Shipping Damage				8
Unit Removal From Skid				8
Handling Unit After Removal From Skid			.......................	9
General				9
Minimum Installation Height				9
Duct Work				11
Filters	..........................................................................			11
Fresh Air Intake				12
Service Light				12
Condensate Drain				12
Optional Rear Drain Kit				12
Separate Evaporator Drain Connection			.....................	12
Installation Instructions
Mounting the Unit				19
Wiring — Main Power				20
Wiring — Low Voltage Wiring				20
Low Voltage Connections				21
General				21
Figures
Figure 1		Unit Dimensions		7
Figure 2		Air Seal Under Unit		8
Figure 3		Removal of Unit From Skid		8
Figure 4 Unit on Appliance Cart for Moving				9
Figure 5		Installation With Free Blow Plenum		10
Figure 6		Ducted Application		10
Figure 7		Supply Duct Connections		11
Figure 8		Filter Location		11
Figure 9		Optional Side Drain		13
Figure 10		Standard Rear Drain		13
Figure 11		Rear Drain (Top View)		13
Figure 12A		Optional Rear Drain Kit		14
Figure 12B		Optional Rear Drain Kit		15
Figure 12C		Optional Rear Drain Kit		16
Figure 12D		Optional Rear Drain Kit		17
Figure 13A		Unit Mounting		18
Figure 13B		Unit Mounting		18
Figure 14		Removing Locking Screws from Wheels...		19
Figure 15		Component Location		20
Figure 16 Thermostat Plug Terminals				22
Figure 17		Thermostat Wiring Diagram	"X" Option ....	23
Figure 18		Thermostat Wiring Diagram	"A" Option ....	24
Figure 19		Thermostat Wiring Diagram	"D" Option ...	25
Figure 20		Thermostat Wiring Diagram	"H" Option ...	26
Figure 21 Fresh Air Damper Removal				32
Figure 22		QERV Removal		33
Figure 23		CO2 Controller		34
Figure 24		Control Disassembly		36
Figure 25		Winding Test		36
Figure 26		Drip Loop		36
Figure 27		Fan Blade Setting		37
Manual	2100-522B
Page	2 of 38

Start Up
R-410A Refrgerant		27
Topping Off System Charge		27
Safety Practices		27
Description of Standard Equipment		28
Optional CFM (Q36A1, Q42A1, Q48A1 & Q60A1 Only) 28
Important Installer Note		28
Phase Monitor		28
Three Phase Scroll Compressor Start Up
Information		28 & 29
Compressor Control Module		29
Adjustments		29
Service Hints		29 & 30
Mist Eliminator Service		30
Vent Options		30 & 31
Sequence of Operation		34
Optional Climate Controls Sequence
of Operation		34
Pressure Service Ports		34
Troubleshooting
Troubleshooting GE ECM™ Blower Motors		35-36
Fan Blade Setting Dimensions		37
Refrigerant Charge		37
Pressure Chart		38
Tables
Table 1 Factory Built-In Electric Heat Table		5
Table 2	Electrical Specifications	6
Table 3 Operating Voltage Range		20
Table 4	Wall Thermostats	22
Table 5	Fan Blade Dimensions	37
Table 6 Indoor Blower Performance		37
Table 7	Cooling Pressure	38