Bard MC4001 Series - Page 17

Manual 2100-614C
Page 17 of 40
System
Type
Model
Series
No
Economizer
MC4001-A or MC4001-B
with Communication
Board – No Economizer
Older EIFM
Economizer – No
Communication
Board
Older EIFM
Economizer with
Communication
Board
Newer
ECONWMT
Economizer – No
Communication
Board
Newer
ECONWMT
Economizer
with CB4000
Communication
Board
A/C with
1-Stage
Compressor
WA / WL
W**A /
W**L
1 3 5 7 9 11
A/C with
2-Stage
Compressor
WA*S /
WL*S
2 4 6 8 10 12
Heat Pump
WH / W**H
SH / S**H
13 14 N/A N/A N/A N/A
TABLE 1
HOOK-UP DIAGRAM SELECTION TABLE – REFERENCE FIGURE 1 SHOWN
FIGURE 1
CONTROLLER CONNECTIONS
1-STAGE (WA/WL, W**A/W**L SERIES) AIR CONDITIONERS – NO ECONOMIZER