Carrier 42 SERIES VALVE PACKAGE ARRANGEMENTS cont, Description, Manufacturer, Return

VALVE PACKAGE ARRANGEMENTS (cont)

LEGEND

ITEM	DESCRIPTION
	Pneumatic Control Valve, 2-Way
	Code 18(typical) -2*	(1¤2- or 5¤8-in. ODF tubing conn) or
	Code 18(typical) -3*	(7¤8-in. ODF tubing conn)
	Pneumatic Control Valve, 3-Way
	Code 18(typical) -14* (1¤2- or 5¤8-in. ODF tubing conn) or
	Code 18(typical) -5*	(7¤8-in. ODF tubing conn)

*Valve packages listed on current price pages.

NOTES:

1. Pneumatic valves are ®eld furnished for factory installation.

2. To simplify valve installation and maintenance, cabinet units with 4-pipe coils must have opposite-end connections.

3. Alternate designations for the terms N.O., N.C. and RETURN on

3-way valves are as follows:

Manufacturer	N.O.	N.C.	Return
Barber-Coleman	B	A	AB
Honeywell	B	A	AB
Johnson Service	N.O.	N.C.	C
Powers	B	U	C

4. All orders entered must include a job speci®c piping diagram OR reference can be made to standard arrangements 18-A through 18-E as shown here.

5. Hand valves shown in Arrangements 17-A through 17-F may be included with pneumatic valves. These arrangements should also be shown on piping diagrams submitted.

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