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Staging Parameters
Single Stage Models
Multi Stage Models
Demand Conventional (Non – HP) Heat Pump (HP)
First Stage Cool Y1 & G Y1 & G & O
First Stage Heat W1 & G (note, G is Off for Gas, On for Electric) Y1 & G & B
Demand Conventional (Non – HP) Heat Pump (HP)
First Stage Cool Y1 & G Y1 & G & O
Second Stage Cool Y1& Y2 & G Y1 & Y2 & G & O
First Stage Heat W1 & G Y1 & G & B
Second Stage Heat (2H/2C) W1 & W2 & G Y1 & W2 & G & B
Second Stage Heat (3H/2C) W1 & W2 & G Y1 & W2 & G & B
Third Stage Heat n/a Y1 & W2 & E & G & B
Emergency Heat n/a E & G