C NC NO M 1 2 3 4 5 6 7 IN IN OUT M 1 2 4 5 3 7 P M B M 6 6 6 8.71 DRAWING TWO ORIGINAL PERFORMANCE 18# 16# 13# 3# 0# HEATING CLOSED HEATING VALVE 5# - 12# RANGE HEATING 100% OPEN --MAX. MECHANICAL COOLING --COOLING VALVE 13# - 16# RANGE --MECHANICAL COOLING CLOSED MAX. FREE COOLING DAMPERS (FREE COOLING) 3# - 13# RANGE NO FREE COOLING EFFECTIVE THERMAL SIGNAL HWS HWR CWR CWS NO C NC NO NC C TT3 TT2 SPH LL1 SPH V2 PP 13# - 16# V1 PUMP PP 5# - 12# ----------- TT1 SPH NC NO NC 3# - 13# D2 3# - 13# D1 TT4 RETURN AIR SUPPLY FAN RETURN FAN RETURN SUPPLY MIXED AIR OSA TEMP. TEMP. TEMP. TEMP. EP1 LS2 MPRI PE1 NO B M 1 2 3 B M 1 2 3 B M 1 2 3 RETURN RC1 MIXED AIR RC2 OSA HL RC3 DA 70˚F DA 58˚F RA 70˚F RESTRICTOR RESTRICTOR RESTRICTOR RESTRICTOR HEATING/ COOLING OVERLAP
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