Bard MC4000 installation instructions Figure Controllerconnections, Manual, Page, 17 of, 2100-563C

TABLE 1

HOOK-UP DIAGRAM SELECTION TABLE — REFERENCE FIGURE 1 SHOWN

					Older EIFM	Newer	Newer
				Older EIFM			ECONWMT
			MC4000-A or MC4000-B		Economizer	ECONWMT
System	Model	No		Economizer — No			Economizer
Type	Series	Economizer	with Communication	Communication	with CB4000	Economizer — No	with CB4000
			Board – No Economizer		Communication	Communication
				Board	Board	Board	Communication
							Board
A/C with 1-Stage	WA / WL	1	3	5	7	9	11
Compressor	W**A / W**L
A/C with 2-Stage	WA*S / WL*S	2	4	6	8	10	12
Compressor
Heat Pump	WH / W**H	13	14	N/A	N/A	N/A	N/A
	SH / S**H

FIGURE 1

CONTROLLERCONNECTIONS

1-STAGE (WA/WL, W**A/W**L SERIES) AIR CONDITIONERS – NO ECONOMIZER

Manual	2100-563C
Page	17 of 40