Wd19: Q-Tec Tm Qa**/Q**A Series 1-Stage Air Conditioner, With Or Without Ventilation And Dehumidification; Wd20: Q-Tec Tm Qh**/Q**H Series 1-Stage Heat Pump, With Or Without Ventilation And Dehumidification - Bard CompleteStat CS9B-THO Installation Instructions Manual