Dettson C45-1-D - Page 3

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INDEX OF FIGURES
Figure 1 Freeze protection and return air temp. ............... 8
Figure 2 Installation in a garage ....................................... 9
Figure 3 Prohibited installation ......................................... 9
Figure 4 Dimensional drawing ........................................ 10
Figure 5 Vent coupling and adapter with gaskets ........... 11
Figure 6 Vent termination ............................................... 11
Figure 7 Drain Trap ........................................................ 12
Figure 8 Left side condensate drain connection ............. 12
Figure 9 Right side condensate drain connection .......... 12
Figure 10 : Down flow orientation ................................... 13
Figure 11 Condensate pressure switch .......................... 13
Figure 12 Horizontal right drain trap position .................. 14
Figure 13 Horizontal right condensate tubing ................. 14
Figure 14 Pressure switch assembly .............................. 14
Figure 15 Horizontal left condensate drain connection .. 15
Figure 16 Return air base ............................................... 15
Figure 17 Typical gas pipe arrangement ........................ 17
Figure 18 Power cord installation in the furnace ............ 19
Figure 19 Wiring diagram – One stage PSC .................. 20
Figure 20 : Two Stage PSC - Furnace Control ............... 21
Figure 21 : Two Stage ECM - Furnace Control .............. 22
Figure 22 Direct venting ................................................. 24
Figure 23 Multi venting ................................................... 25
Figure 24 Control Switch – Modulating Valve ............ 35
Figure 25 Typical Flame Appearance ........................ 36
Figure 26 Exploded view 1 stage PSC ........................... 37
Figure 27 Exploded view 2 stage PSC ........................... 40
Figure 28 Exploded view 2 stage ECM .......................... 43
INDEX OF TABLES
Table 1 Minimum clearance to combustible material for all
units.................................................................................. 9
Table 2 Loose parts list .................................................... 9
Table 3 Air flow capacity and blower data 2 stage
variable........................................................................... 16
Table 4 : Air flow capacity and blower data 2 stage direct
drive ............................................................................... 16
Table 5 : Air flow capacity and blower date 1 stage direct
drive ............................................................................... 17
Table 6 Maximum capacity of pipe in Ft³ of gas/hr ......... 17
Table 7 Gas pressure ..................................................... 17
Table 8 Electrical data .................................................... 18
Table 9 : Suggested fan speed on 1 stage furnace ........ 19
Table 10 : Suggested fan speed on 2 stage furnace ...... 19
Table 11 : Maximum equivalent straight vent length (two
stage and modulating) .................................................... 25
Table 12 Maximum equivalent straight vent length (single
stage) ............................................................................. 25
Table 13 Deduction for fitting ......................................... 26
Table 14 Approved combustion air and vent pipe, fitting
and cement materials (U.S.A. Installation) ..................... 26
Table 15: Option switches positions........................... 28
Table 16: Option switches S1-3 & S1-4 positions ...... 29
Table 17: Option switches S1-1 & S1-2 positions ...... 29
Table 18: Duty cycles ................................................. 29
Table 19: DIP Switches .............................................. 32
Table 20: Duty cycle .................................................. 32
Table 21: DIP Switches .............................................. 32
Table 22 : Dipswitch setting for airflow selection ............ 32
Table 23 Part list - 1 stage PSC ..................................... 39
Table 24: Part list – 2 Stage, PSC ............................. 42
Table 25: Part list – 2 Stage, ECM ............................. 45
Table 26 CFM for 45,000 BTU PSC motor ..................... 46
Table 27 CFM in heating for 45,000 BTU 2 stage ECM
motor .............................................................................. 46
Table 28 CFM in cooling for 45,000 BTU 2 stage ECM
motor .............................................................................. 46
Table 29 CFM for 60,000 BTU PSC motor ..................... 47
Table 30 CFM in heating for 60,000 BTU 2 stage ECM
motor .............................................................................. 47
Table 31 CFM in cooling for 60,000 BTU 2 stage ECM
motor .............................................................................. 47
Table 32 CFM for 75,000 BTU PSC motor ..................... 48
Table 33 CFM in heating for 75,000 BTU 2 stage ECM
motor .............................................................................. 48
Table 34 CFM in cooling for 75,000 BTU 2 stage ECM
motor .............................................................................. 48
Table 35 CFM for 105,000 BTU PSC motor ................... 49
Table 36 CFM in heating for 105,000 BTU 2 stage ECM
motor .............................................................................. 49
Table 37 CFM in cooling for 105,000 BTU 2 stage ECM
motor .............................................................................. 49
Table 38 CFM for 120,000 BTU PSC motor ................... 50
Table 39 CFM in heating for 120,000 BTU 2 stage ECM
motor .............................................................................. 50
Table 40 CFM in cooling for 120,000 BTU 2 stage ECM
motor .............................................................................. 50
Table 41 2 stage variable speed gas furnace (ECM) ..... 51
Table 42 2 Stage fixed speed gas furnace (PSC) .......... 51
Table 43 1 Stage fixed speed gas furnace (PSC) .......... 51
Table 44 Maximum equivalent straight vent length for 1
stage unit (1-D) .............................................................. 51
Table 45 Maximum equivalent straight vent length for
modulating and 2 stage unit (M-V;2-D and 2-V) ............. 51
INDEX OF ANNEXES
ANNEX I : CFM TABLES ......................................................................................................................................................... 46
ANNEX II : SPECIFICATION SHEET....................................................................................................................................... 51