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- option to use ecodan lookup table for cop calculation
- dynamic room temperature solver
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TrystanLea
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Sep 29, 2021
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| // Work out Mitsubushi Ecodan COP using look up table approach | ||
| function get_ecodan_cop(outlet,outside,load) | ||
| { | ||
| var ecodan = { | ||
| "min": { | ||
| "data": [ | ||
| //-15, -10, -7, 2, 7, 12, 15, 20 | ||
| [null, 3.64, 3.52, 4.16, 5.69, 6.59, 7.06, 7.78], // 25 | ||
| [2.66, 3.01, 2.99, 3.59, 4.64, 5.26, 5.64, 6.26], // 35 | ||
| [2.38, 2.68, 2.67, 3.23, 4.03, 4.49, 4.78, 5.25], // 40 | ||
| [2.10, 2.34, 2.35, 2.86, 3.41, 3.73, 3.91, 4.23], // 45 | ||
| [null, 2.10, 2.12, 2.54, 3.07, 3.32, 3.46, 3.71], // 50 | ||
| [null, 1.86, 1.89, 2.21, 2.73, 2.91, 3.01, 3.19], // 55 | ||
| [null, null, null, null, null, null, null, null] // 60 | ||
| ] | ||
| }, | ||
| "mid": { | ||
| "data": [ | ||
| //-15, -10, -7, 2, 7, 12, 15, 20 | ||
| [null, 3.64, 3.85, 4.90, 5.89, 6.58, 7.08, 7.98], // 25 | ||
| [2.66, 3.01, 3.25, 3.54, 4.63, 5.35, 5.79, 6.54], // 35 | ||
| [2.38, 2.68, 2.87, 3.35, 4.18, 4.66, 4.97, 5.48], // 40 | ||
| [2.10, 2.34, 2.50, 3.15, 3.73, 3.98, 4.15, 4.43], // 45 | ||
| [null, 2.10, 2.25, 2.78, 3.23, 3.43, 3.56, 3.78], // 50 | ||
| [null, 1.86, 2.00, 2.41, 2.74, 2.88, 2.98, 3.14], // 55 | ||
| [null, null, null, 2.05, 2.56, 2.59, 2.62, 2.68] // 60 | ||
| ] | ||
| }, | ||
| "max": { | ||
| "data": [ | ||
| //-15, -10, -7, 2, 7, 12, 15, 20 | ||
| [null, 3.30, 3.60, 4.20, 5.48, 6.20, 6.65, 7.41], // 25 | ||
| [2.44, 2.78, 3.00, 3.50, 4.50, 4.98, 5.28, 5.79], // 35 | ||
| [2.22, 2.51, 2.70, 3.15, 4.01, 4.37, 4.59, 4.98], // 40 | ||
| [2.00, 2.25, 2.40, 2.80, 3.52, 3.75, 3.91, 4.16], // 45 | ||
| [null, 2.05, 2.16, 2.47, 3.10, 3.27, 3.38, 3.57], // 50 | ||
| [null, 1.85, 1.92, 2.13, 2.68, 2.78, 2.85, 2.97], // 55 | ||
| [null, null, null, 1.80, 2.26, 2.30, 2.33, 2.38] // 60 | ||
| ] | ||
| } | ||
| } | ||
|
|
||
| var load_index = "min"; | ||
| if (load>=0.6) load_index = "mid"; | ||
| if (load>=0.8) load_index = "max"; | ||
|
|
||
| // 1. Find outlet index | ||
| var outlet_index = false; | ||
| var rows = [25,35,40,45,50,55,60]; | ||
| for (var z=0; z<rows.length; z++) { | ||
| if (rows[z]>outlet) { | ||
| outlet_index = z-1; | ||
| break | ||
| } | ||
| else if (rows[z]==outlet) { | ||
| outlet_index = z; | ||
| break | ||
| } | ||
| } | ||
| // Limit outlet_index by available data | ||
| if (outlet_index<0) outlet_index = 0; | ||
| if (outlet_index===false || outlet_index == rows.length-1) { | ||
| outlet_index = rows.length - 2; | ||
| } | ||
|
|
||
| // 2. Find outside index | ||
| var outside_index = false; | ||
| var cols = [-15,-10,-7,2,7,12,15,20]; | ||
| for (var z=0; z<rows.length; z++) { | ||
| if (cols[z]>outside) { | ||
| outside_index = z-1; | ||
| break | ||
| } | ||
| else if (cols[z]==outside) { | ||
| outside_index = z; | ||
| break | ||
| } | ||
| } | ||
| // Limit outlet_index by available data | ||
| if (outside_index<0) outside_index = 0; | ||
| if (outside_index===false || outside_index == cols.length-1) { | ||
| outside_index = cols.length - 2; | ||
| } | ||
|
|
||
|
|
||
|
|
||
| // Work out linear interpolation part 1 | ||
| var a = ecodan[load_index].data[outlet_index][outside_index] | ||
| var b = ecodan[load_index].data[outlet_index][outside_index+1] | ||
| var c1 = a + (b-a) * (outside - cols[outside_index]) / (cols[outside_index+1] - cols[outside_index]); | ||
| if (a==null || b==null) c1 = null; | ||
|
|
||
| // Work out linear interpolation part 2 | ||
| var a = ecodan[load_index].data[outlet_index+1][outside_index] | ||
| var b = ecodan[load_index].data[outlet_index+1][outside_index+1] | ||
| var c2 = a + (b-a) * (outside - cols[outside_index]) / (cols[outside_index+1] - cols[outside_index]); | ||
| if (a==null || b==null) c2 = null; | ||
|
|
||
| // Work out linear interpolation part 3 | ||
| var cop = c1 + (c2-c1) * (outlet - rows[outlet_index]) / (rows[outlet_index+1] - rows[outlet_index]); | ||
| if (c1==null || c2==null) cop = null; | ||
|
|
||
| return cop; | ||
| } | ||
|
|
||
|
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||
|
|
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