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THE SMART SOLUTION FOR ENERGY EFFICIENCY
Packaged Units
Rev.: 1/06/09B
WARNING! When the disconnect switch is closed, high
voltage is present in some areas of the electrical panel.
Exercise caution when working with energized equipment.
CAUTION! Verify that ALL water control valves are open and
allow water fl ow prior to engaging the compressor. Freezing
of the coax or water lines can permanently damage the heat
pump.
Figure 28: Test Mode Pins
WARNING!
CAUTION!
Table 10a: TT Coax Water Pressure Drop
UNIT OPERATING CONDITIONS
Model
U.S.
GPM
l/s l/m
Pressure Drop, psi [kPa]*
30°F [-1°C] 50°F [10°C] 70°F [21°C] 90°F [32°C]
026
4.0 0.252 15 1.5 [10.3] 1.3 [9.0] 1.1 [7.6] 1.0 [6.9]
6.0 0.378 23 3.1 [21.4] 2.6 [17.9] 2.3 [15.9] 2.1 [14.5]
7.0 0.441 26 4.1 [28.3] 3.4 [23.4] 3.0 [20.7] 2.7 [18.6]
8.0 0.504 30 5.1 [35.2] 4.3 [29.7] 3.8 [26.2] 3.4 [23.4]
038
4.0 0.252 15 1.2 [8.3] 1.0 [6.9] 0.8 [5.5] 0.6 [4.1]
6.0 0.378 23 2.6 [17.9] 2.5 [17.2] 2.3 [15.9] 2.1 [14.5]
8.0 0.504 30 4.5 [31.0] 4.2 [29.0] 4.0 [27.6] 3.7 [25.5]
9.0 0.567 34 5.7 [39.3] 5.2 [35.9] 4.8 [33.1] 4.4 [30.3]
049
5.5 0.347 21 1.1 [7.6] 0.9 [6.2] 0.8 [5.5] 0.7 [4.8]
8.3 0.523 31 2.2 [15.2] 2.1 [14.5] 2.0 [13.8] 1.8 [12.4]
11.0 0.693 42 3.9 [26.9] 3.6 [24.8] 3.2 [22.1] 3.1 [21.4]
12.0 0.756 45 4.5 [31.0] 4.2 [29.0] 3.8 [26.2] 3.5 [24.1]
064
7.0 0.441 26 0.5 [3.4] 0.3 [2.1] 0.2 [1.4] 0.1 [0.7]
10.5 0.662 40 1.9 [13.1] 1.8 [12.4] 1.7 [11.7] 1.6 [11.0]
14.0 0.882 53 3.9 [26.9] 3.5 [24.1] 3.2 [22.1] 2.9 [20.0]
15.0 0.945 57 4.8 [33.1] 4.3 [29.7] 3.9 [26.9] 3.5 [24.1]
072
7.5 0.473 29 1.7 [11.7] 1.5 [10.3] 1.3 [9.0] 1.3 [9.0]
11.3 0.712 43 3.9 [26.9] 3.4 [23.4] 3.0 [20.7] 2.8 [19.3]
15.0 0.945 57 6.9 [47.6] 6.0 [41.4] 5.4 [37.2] 5.0 [34.5]
17.0 1.071 64 8.9 [61.4] 7.7 [53.1] 6.9 [47.6] 6.5 [44.8]
*Note: To convert
kPa to millibars,
multiply by 10.
Short test pins
together to enter Test
Mode and speed-up
timing and delays for
20 minutes.
Unit Start-Up Procedure
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