Dettson DCAH Série Guide D'installation page 18

TABLE OF CONTENTS
1.0 SAFETY CONSIDERATIONS ............................ 3
1.1 SAFETY INFORMATION ; DANGER,
WARNING CAUTION............................................ 3
AND
1.2 IMPORTANT INFORMATIONS ....................... 3
1.3 DANGER OF FREEZING................................... 3
2.0 INSTALLATION................................................... 3
2.1 LOCATION ......................................................... 4
2.2 ........................................................... 4
DUCTWORK
2.3 HEATING COIL.................................................. 4
2.4 COOLING COIL ................................................. 4
2.5
ELECTRICAL SYSTEM
2.6
INSTALLATION OF THE THERMOSTAT
2.7 SUPPLY AIR ADJUSTMENTS AND OTHER
BLOWER SETTINGS..................................................... 6
2.7.1 HEAT CFM adjustment (VIOLET WIRE) .... 7
2.7.2 outdoor unit size (BLUE WIRE)................... 7
2.7.3 System type (orange wire)............................ 7
2.7.4 AC/HP CFM adjust (black wire).................. 7
2.7.5 ON/OFF delay (white wire) ......................... 7
2.7.6 Continuous fan (yellow wire)....................... 7
2.7.7 Low-voltage circuit ...................................... 7
2.8 INSTALLATION OF ACCESSORIES ............... 7
2.8.1 Humidifier and humidistat connection......... 7
2.8.2 Electronic Air Cleaner (EAC) connections.. 8
2.8.3 Dehumidify capability with standard
humidistat connection .................................................. 8
3.0 OPERATION ......................................................... 8
3.1 - .............................................................. 8
START UP
3.2 HEATING START-UP :...................................... 8
3.3 OPERATING SEQUENCE - VARIABLE
SPEED ......................................................... 8
ECM MOTOR
3.3.1 Continuous fan ............................................. 8
3.3.2 Cooling mode - single stage ........................ 8
3.3.3 Cooling mode - two stage............................ 8
3.3.4 Cooling mode - dehumidification ................ 8
3.3.5 Heating mode ............................................... 8
4.0 MAINTENANCE................................................... 9
4.1 BLOWER AND MOTOR .................................... 9
4.2 HEATING AND COOLING COILS ................... 9
4.3 ER.................................................................. 9
FILT
4.4 S ................................................................. 9
DRAIN
5.0 UNIT INFORMATIONS....................................... 9
6.0 TECHNICAL DATA ........................................... 10
7.0 REPLACEMENT PARTS .................................. 13
8.0 WARRANTY POLICY ....................................... 15
............................................. 5
..................... 5
Figure 1 : Installation on wall ...................................... 4
Figure 2 : Water piping installation - heating coil ....... 5
Figure 3 : Thermostat wiring, heating and cooling - 3
speeds PSC motor......................................... 5
Figure 4 : Thermostat wiring, single stage A/C -
Variable speed ECM motor............................ 6
Figure 5 : Thermostat wiring, two-stage A/C -
Variable speed ECM motor............................ 6
Figure 6 : Fan Control Board ...................................... 6
Figure 7 : Standard humidistat connections ............... 7
Figure 8 : Electronic air cleaner connections.............. 8
Figure 9 : Unit Dimensions........................................ 11
Figure 10 : Electrical Diagram - 3 speeds PSC motor
..................................................................... 11
Figure 11 : Electrical Diagram - Variable speed ECM
motor ............................................................ 12
Figure 12 : Parts list, 3 speeds PSC motor............... 13
Figure 13 : Parts list, Variable speed ECM motor..... 14
Table 1 : Technical specifications ............................. 10
Table 2 : Airflow tables for DCAV-36-2 - Variable
speed ECM motor ........................................ 10
Table 3 : Parts list, 3 speeds PSC motor.................. 13
Table 4 : Parts list, Variable speed ECM motor........ 14
2
FIGURES
TABLES