Dettson Chinook C45-1-X Serie Instructions D'installation Et Manuel Du Propriétaire page 29

Table 17 – Error codes single stage
LED Desription
1 flash, pause System Lockout
2 flash, pause Pressure switch stuck
close
3 flash, pause Pressure switch stuck
open
4 flash, pause Open limit switch
5 flash, pause Open rollout switch
6 flash, pause 115VAC polarity
7 flash, pause Low flame sense
continuous Flame
flashing sensed when no flame
should be present
10 SINGLE
MOTOR
Furnaces with model number CXX-1-D are equipped
with a fixed speed motor. This motor provides ease in
adjusting the blower speeds in cooling or heating mode.
Blowers should be adjusted by the installer to match
the installation requirements so as to provide the correct
heating temperature rise and cooling load.
10.1 Selecting the blower speed on
PSC motor
These blower speeds are set for a temperature rise
of 55°F at normal static pressure.
be adjusted by the installer to match the installation
requirements so as to provide the correct heating
temperature rise and cooling load.
circulator blower speed, proceed as follow:
1. Turn off the power to the furnace
2. Select the heating and cooling blower speeds that
match the installation requirements.
3. Relocate the desired motor leads to the desired
speed on the motor. The red wire locate the heating
speed and the blue wire locate de cooling speed.
4. If heating and cooling speeds are the same, a
jumper wire must be used between the heat and
cool terminal on the control board. The unused
leads must be connected to the "PARK" terminal on
the control board.
5. Turn on power to the furnace.
6. Verify proper temperature rise.
temperature can cause limit switch tripping.
has been
STAGE PSC
Blowers should
To adjust the
Excessive
Figure 31 – PSC motor connections
Table 18 – Suggested heating fan speed on single
stage furnace
INPUT BTU/hr
45 000
60 000
75 000
105 000
120 000
Table 19 – CFM C45-1-D/C45-2-D
MOTOR
SPEED
0.1 0.2 0.3
HIGH 1120 1095 1045
MED- 1047 1045 980
HIGH
MED 935 950 910
LOW 930 925 875
Table 20 – CFM C60-1-D/C60-2-D
MOTOR
SPEED
0.1 0.2 0.3
HIGH 1374 1372 1370 1305 1230 1155 1085 1005 945
MED- 1198 1195 1134 1085 1025 975
HIGH
MED 1155 1150 1100 1050 1000 955
LOW 1026 1005 980
Table 21 – CFM C75-1-D/C75-2-D
MOTOR
SPEED
0.1 0.2 0.3
HIGH 1617 1615 1540 1440 1355 1280 1204 1182 1060 980
MED- 1675 1670 1590 1480 1382 1300 1219 1192 1065 982
HIGH
MED 1500 1496 1388 1289 1188 1133 1087 1083 1015 975
LOW 1272 1197 1148 1108 1042 967
Table 22 – CFM C105-1-D/C105-2-D
MOTOR
SPEED
0.1 0.2 0.3
HIGH 1748 1740 1615 1515 1430 1355 1285 1195 1110 1030
MED- 1700 1655 1550 1435 1360 1285 1230 1150 1080 990
HIGH
MED 1415 1405 1325 1240 1180 1135 1070 1005 930
LOW 1165 1130 1065 1025 975
28
SPEED
LOW
MED-LOW
MED-LOW
HIGH
HIGH
Static pressure
0.4 0.5 0.6 0.7 0.8
1020 970 915 845 780
940 880 835 775 715
865 820 780 730 670
835 800 760 710 660
Static pressure
0.4 0.5 0.6 0.7 0.8
925 875
905 860
945 905 865 820 780
Static pressure
0.4 0.5 0.6 0.7 0.8
913 824
Static pressure
0.4 0.5 0.6 0.7 0.8
935 870 830
0.9 1.0
710 640
665 585
600 565
605 545
0.9 1.0
860
814 740
795 725
720 655
0.9 1.0
777 749
0.9 1.0
845
775 705