WaterFurnace 7 Series - Manual (Page 38)

38
7 SERIES 50Hz 700A11 INSTALLATION MANUAL
Model L/s
Pressure Drop (kPa)
-1.1°C 10.0°C 21.1°C 32.2°C 43.3°C
009
0.7 23.44 22.06 20.68 19.31 17.93
0.6 18.62 17.93 16.55 15.17 14.48
0.4 11.38 10.69 10.00 9.31 8.62
0.3 7.58 6.89 6.21 5.86 5.17
0.3 4.69 4.41 4.14 3.79 3.52
012
0.9 31.72 30.34 28.27 26.20 24.13
0.7 19.99 18.62 17.24 15.86 15.17
0.5 11.72 11.03 10.34 9.65 8.96
0.4 8.27 7.58 6.89 6.62 6.27
0.3 4.27 4.21 4.14 4.00 3.86
015
1.1 44.13 41.37 38.61 35.85 33.09
0.9 28.27 26.20 24.82 22.75 21.37
0.6 15.17 14.48 13.79 12.41 11.72
0.5 11.72 11.03 10.34 9.65 8.96
0.3 4.69 4.27 4.00 3.79 3.65
5/22/13
Thermistor Resistance
Compressor Resistance
Model
Compressor Model
No.
Winding Resistance
220-240/50/1
009 VRJ028UKNP6 0.255
012 VRJ035UKNP6 0.210
015 VRJ044UKNP6 0.210
5/09/13
Thermistor Resistance (10k Ohm)
for FP1, FP2, HWL, LWT and LLT
(EWT with Performance Option)
Thermistor Resistance (1k Ohm)
for compressor discharge line,
suction line, LAT, compressor
ambient and EWT
Thermistor
Temperature
(°C)
Thermistor
Resistance
(Ohms)
Thermistor
Temperature
(°C)
Thermistor
Resistance
(Ohms)
-15 75757-70117 -6.7 974.4-973.4
-10 57392-53234 -3.9 985.4-984.4
-5 43865-40771 -1.1 996.1-995.1
0 33809-31487 1.7 1007.0-1006.0
5 26269-24513 4.4 1017.8-1016.8
10 20570-19230 7.2 1028.6-1027.6
15 16226-15196 10.0 1039.5-1038.5
20 12889-12093 12.8 1050.2-1049.2
25 10310-9688 15.6 1061.2-1060.2
30 8300-7812 18.3 1072.9-1071.9
35 6723-6337 21.1 1082.7-1081.7
40 5480-5172 23.9 1093.4-1092.4
45 4490-4246 26.7 1103.0-1102.0
50 3700-3504 29.4 1115.5-1114.5
55 3067-2907 32.2 1126.2-1125.2
60 2554-2424 35.0 1136.6-1135.6
65 2149-2019 37.8 1147.2-1146.2
5/23/13 40.6 1158.1-1157.1
43.3 1168.8-1167.8
46.1 1179.4-1178.4
48.9 1190.1-1189.1
51.7 1200.3-1199.3
54.4 1212.2-1211.2
5/23/13
Pressure Drop
4. Be sure that the compressor and water control valve or
loop pump(s) are activated.
5. Verify that the water flow rate is correct by measuring the
pressure drop through the heat exchanger using the P/T
plugs and comparing to unit performance data in catalog
or view on the AID Tool if Performance Kit is installed.
6. Check the temperature of both the supply and discharge
water (see the Unit Operating Parameters tables).
7. Check for an air temperature drop of -9.4°C to -3.9°C across
the air coil (cooling compressor speed 9), depending on the
blower speed and entering water temperature.
8. Decrease the cooling set point several degrees and
verify high-speed blower operation.
9. Adjust the cooling setpoint above the room temperature
and verify that the compressor and water valve or loop
pumps deactivate.
10. Initiate a control signal to place the unit in the
heating mode. Heating set point must be set above
room temperature.
11. First stage heating will energize after a time delay.
12. Check the temperature of both the supply and discharge
water (see the Unit Operating Parameters tables).
13. Check for an air temperature rise of -11.1°C to 1.7°C across
the air coil (heating compressor speed 12), depending on
the fan speed and entering water temperature.
14. If auxiliary electric heaters are installed, increase the
heating setpoint until the electric heat banks are
sequenced on (must get to compressor speed 12 before
auxiliary heat enables). All stages of the auxiliary heater
should be sequenced on when the thermostat is in the
Emergency Heat mode. Check amperage of each element.
15. Adjust the heating setpoint below room temperature
and verify that the compressor and water valve or loop
pumps deactivate.
16. During all testing, check for excessive vibration, noise or
water leaks. Correct or repair as required.
17. Set system to desired normal operating mode and set
temperature to maintain desired comfort level.
18. Instruct the owner/operator in the proper operation of
the thermostat and system maintenance.
NOTE: Be certain to fill out and forward all warranty
registration papers.
Unit Startup cont.