Bard W12AAA, Руководство по установке

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Manual 2100-618
Page
13 of 21
Low Voltage Connection
These units use a 24-volt AC low voltage circuit. The “ R ” terminal is the hot terminal and the “ C ” terminal is grounded .
“ G ” terminal is the fan input .
“ Y ” terminal is the compressor input for cooling 1-Stage units only or 2-Stage units with ECONWM*
“ Pink Wire ” is 2nd Stage cooling 2-Stage units only with ECONWM*
“ Y1 ” terminal is the 1st Stage compressor input for cooling 2-Stage units only — No ECONWM*
“ Y2 ” terminal is the 2nd Stage compressor input for cooling 2-Stage units only — No ECONWM*
“ W1 ” terminal is the 1st stage electric heat .
“ W2 ” terminal is the 2nd stage heat (if equipped).
“ A ”, “ E ”, “ F ” terminals are the ventilation inputs . See Figures 8-10 for detailed diagrams.
NOTE: On models with “J” Control Module, Terminals 1, 2 and 3 are used for the alarm relay.
FIGURE 7
LOW VOLTAGE WIRING
BASIC A/C WITH OPTIONAL ELECTRIC HEAT
NO ECONOMIZER OR VENTILATION PACKAGES