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