Black Box Black Box Cold Row DX, CRDX-W-FS-12KW, CRDX-A-FS-24KW user manual Table of Contents, Page

Table of Contents

			2.9.3.1		Water-Cooled Systems (CRDX-W-FS-12KW, CRDX-W-FS-24KW)	34
			2.9.3.2		Glycol-Cooled Systems (CRDX-G-FS-12KW, CRDX-G-FS-24KW)	35
			2.9.3.3		Remote Condenser (CRDX-A-FS-12KW, CRDX-A-FS-24KW)	35
	2.10	System Charging Procedures				36
		2.10.1	Water-Water/Glycol Cooled Systems			36
		2.10.2	Remote-Air Cooled Systems			36
			2.10.2.1		Estimating Refrigerant Charge	37
			2.10.2.2		Preparing System for Charging	38
			2.10.2.3		Refrigerant Charging Procedures	39
			2.10.2.4		-30° F Ambient Applications	40
		2.10.3	Refrigerant Characteristics			41
			2.10.3.1		Pressure/Temperature Settings	41
			2.10.3.2		Saturated Refrigerant Pressure	41
	2.11	Settings and Adjustments				42
		2.11.1	Water–Water/Glycol Circuit			42
		2.11.2	Low-/High-Pressure Limit Switch			42
		2.11.3	Thermal Expansion Valve			42
		2.11.4	Hot Gas Bypass			42
		2.11.5	EC Fans			42
3.	Startup/Commissioning					43
	3.1	Initial Operation				43
	3.2	Step-by-Step Startup Instructions				43
	3.3	Microprocessor Controller Programming				43
4.	E2 Controller					44
	4.1	General				44
		4.1.1	Features			44
			4.1.1.1 Field Configurable			44
			4.1.1.2	Password Protection		44
			4.1.1.3	Restorable Setpoint Parameters		44
			4.1.1.4	A/C Grouping pLAN Operation		44
		4.1.2	User Interface Display Panel			45
			4.1.2.1	Function Keys		45
			4.1.2.2		Contrast Adjustment	46
			4.1.2.3		Alarms	46
		4.1.3	Controller I/O Module			46
		4.1.4	BMS Interface			47
	4.2	Navigating Controller Display Screens				48
		4.2.1	Menu Selection			48
		4.2.2	Menus			48
		4.2.3	Display Variables			49
		4.2.4	Cursor Position in Screens			49
		4.2.5	Modifiable Variables			50
		4.2.6	Password Authorization Levels			50
			4.2.6.1		Password-Protected Screen	50
			4.2.6.2		Wrong Password	51
			4.2.6.3		Setting the Passwords	51
	4.3	System Operation				51
		4.3.1	Setpoint Adjustment			52
			4.3.1.1	Saving and Restoring Setpoint Parameters		54
		4.3.2	Alarms			54

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