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11
W Y G B O RC RH C
4 WIRE HEATING AND COOLING SYSTEM
24 VOLT
SYSTEM
TRANSFORMER
120 VAC
AC
COMPRESSOR
FANHEAT
OPTIONAL
SYSTEM COMMON
RC-RH
JUMPER PROVIDED
W Y G B O RC RH C
5 WIRE SYSTEM HEATING AND COOLING - 2 TRANSFORMERS
24 VOLT
HEAT
TRANSFORMER
120 VAC
24 VOLT
COOL
TRANSFORMER
120 VAC
FANCOOLINGHEAT
OPTIONAL
SYSTEM COMMON
RC-RH
JUMPER REMOVED
W Y G B* O* RC RH C
SINGLE STAGE HEAT PUMP SYSTEM
24 VOLT
SYSTEM
TRANSFORMER
120 VAC
CHANGEOVER
HEAT
CHANGEOVER
COOL
*"B" OR "O" BUT NEVER BOTH
FAN
HEAT
PUMP
ADD
JUMPER
SYSTEM COMMON
OPTIONAL
RC-RH
JUMPER PROVIDED