Engineering Data; Physical Data; Operating Pressures (Psig) - Daikin WRA Installation And Maintenance Data

Engineering Data

Physical Data

Table 3: WRA, WHA, WCA 036 – 420
Cabinet Dimensions (in.)
Unit Size
Width
036 28.125
048 28.125
060 28.125
072 35.125
120 34.00
150
34.00
180 34.00
240 34.00
300 34.00
360 34.00
420 34.00

Operating Pressures (PSIG)

Cooling Mode
Table 4: Models WRA and WCA
Leaving Load °F
Suction
45 90-109
50 97-114
55 106-123
Heating Mode
Table 5: Models WRA and WHA
Entering
Load °F
Suction
80 63-87
100 66-90
120 66-90
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Depth Height
28.125 19.00
28.125 21.00
28.125 21.00
28.125 21.00
42.00 41.00
42.00 41.00
42.00 41.00
50.00 63.125
50.00 63.125
50.00 63.125
50.00 63.125
50
Discharge
210-250
215-255
220-265
30
Discharge Suction
275-318 85-110
375-410 90-114
503-542 92-115
Water to Water Source Heat Pumps
Unit Weight (lb.)
Operating Shipping
250 259
297 300
302 505
320 370
570 610
735 770
900 950
1040 1140
1130 1230
1420 1540
1620 1750
Entering Source Temperature °F
70
Suction Discharge
95-110 270-310
100-115 280-315
110-125 285-320
Entering Source Temperature °F
50
Discharge Suction
295-332 115-138
398-435 120-143
515-556 123-145
Water Connections (in.)
Factory Refrigerant
Charge Per Cicuit (lb.)
2.80
3.50
4.40
5.00
2.75/2.75
4.25/4.25
8.00/8.00
10.0/10.0
16.0/16.0
17.5/17.5
20.0/20.0
90
Suction
98-115
105-123
118-135
70
Discharge Suction
325-365 138-162
420-455 145-170
530-570 153-175
FPT
0.75
1.00
1.00
1.00
1.50
1.50
2.00
2.00
2.00
2.00
2.00
Discharge
355-395
365-410
385-420
90
Discharge
365-400
445-490
555-600
IM 1072-1