Honeywell W7220 Jade Tm Control Economizer; W7220 Jade Tm; Wd21: Qw*S Series 2-Stage Heat Pump, With Or Without Ventilation And Dehumidification; Wd22: C**H Heat Pump 2-Stage With W7220 Jade Tm Control Economizer, With Or Without Dehumidification - Bard CompleteStat CS9B-THO Installation Instructions Manual