45
50
55
60
65
70
75
80
85
90
95
100
105
INDEXOF FIGURES
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Page Number
43 Vertical Concentric Vent Kit - RXGY - 42
44 Direct Vent Minimum Clearances.............................................................................. 44
Moisture Zones ..........................................................................................................44
46 Two Furnace Venting through Roof ........................................................................... 45
47 Two Furnace Venting through Wall ................. .................... ...................................... 45
48 Remove Cap from Exhaust........................................................................................46
49 Drain Traps................................................................................................................. 47
Uncut Drain Hoses..................................................................................................... 4 7
51 Trap with Hoses Installed...........................................................................................48
52 Upflow Opposite Side Condensate Trap Connection................................................ 48
53 Downflow/Horizontal Opposite Side Condensate Trap Connection......................... 49
54 Upright Position - Removal of Existing Downflow Condensate Trap ............... ...... .. 49
Horizontal Position -Condensate Trap Installation for Horizontal Operation ........... 50
56 Drain Vent Height - 6" Minimum................................................................................50
57 Filling the Trap ............................................................................................................51
58 Condensate Pump.....................................................................................................51
59 Gas Piping Installation .. .. .. . .. .. . .. .. .. .. . .... . .. .. .. .. .. ... . .. .. .. . .. ... .. .. .. .. .. ... ............ ... .. .... ..... .. .. 54
Electronic Combustible Gas Detector........................................................................55
61 Gas Valve - Honeywell VR8205H .............................................................................55
62 LP Kit Contents .... . . . . . . . . .. . . . . . .. . . . ... . . .. .. .. . . .. .... .. ... ... .. .. .. .. .... .. .. .. .. ... .. ... .. ... .. .. ....... .... ....... 56
63
Installation of 100 Ohm, 10 Watt Resistor for Heat Anticipator ................................. 57
64 Isolation Relay ............................................................................................................58
Hose Connection to Line Pressure Tap..................................................................... 59
66
Manifold Plug Location...............................................................................................60
67 Manifold Pressure Reading ........... ............................................................................ 60
68
Temperature Rise Measurement ...............................................................................61
69
Furnace Name Plate..................................................................................................61
Blower Motor Connections .........................................................................................
62
71 UTEC -920 and -927 Blower
Off Timings.................................................................. 62
72 UTEC -925 Blower
Off Timings .................................................................................62
73 Johnson Controls G961 DAJ-2401 Blower
OffTimings............................................. 63
74 Honeywell E2001 Blower Off Timings....................................................................... 63
Line Voltage Connections..........................................................................................63
76 Line Voltage Measurement ........................................................................................64
77 Polarity Check............................................................................................................65
78 Low Voltage Check ........ .. . ... ..... .. .. .. . ....... .... .. ..... ... . . .. . ... . .. ... .. . . . . ... .. . . . ... . ... . . . . . . . . . . . . .. .. . . 65
79 Honeywell Twinning Connections ..............................................................................66
UTEC Single Stage Twinning ................................ .. ........ ....................... ...... ..... ..... ... 66
81 UTEC Two Stage Twinning .... .............. .... ................ ........................ ..... ...... .. . . .. ........ 66
82 JCI Twinning Switches...............................................................................................67
83 Fossil Fuel Kit Plenum Switch....................................................................................68
84
Resizing Filters and Frame ........................................................................................
70
Filter Locations........................................................................................................... 71
86
Test Equipment ..........................................................................................................73
87
Main Power"J" Box....................................................................................................75
88
Blower Door Switch....................................................................................................75
89
UTEC and Honeywell Integrated Furnace Controls .................................................. 76
.
91
Honeywell LED's ........................................................................................................77
99 Integrated Furnace Control UTEC 1028-927, -928 or
101 Integrated Furnace Control UTEC 1028-927, -928, or
92
UTEC 1012-925 Furnace Control
UTEC LED's .............................................................................................................. 77
..............................................................................78
93
Thermostat Screw Connection .. . ... . . ... .. ... .. .. ..... ... .. . . .... ......... ..... . .. ... .. ... ............ ... .. .... 79
94 Motor Wire Connections ..... ..... .. ... .. . .............. ...... .... ..... ......... ..... .... .... .. .... ..... .. .. .. ... ... 79
Indicator Lights...........................................................................................................79
96 UTEC OSI IFC............................................................................................................ 79
97 Johnson Controls DSI IFC ............... .... ........ ............. ........ ... . . .. . ... .. . ... ... ... . ... . . .. . ...... ... 80
98 DSI Output Transformer. ............................................................................................80
Johnson Controls G961 DAJ-2401, 2402 Troubleshooting Guide....................... 82
Integrated Furnace Control UTEC 1012-925 ... ... ... . . . ... ... ... . .. .. ... ... .. .. .. ... . .. . ... . . .. . . .... . . 84
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Johnson Controls G961 DAJ-2401, -2402 (Spark Ignition), or
UTEC 1012-925 ................................................................................................... 86
102 Pressure Switches..................................................................................................... 88
103 Magnehelic Gauge .. .. .... .. . . .. . . . .. . . . .. .. . . . .... . . . .. . .. . . .. . . .. . . . . . . . . . . . . . . . . . . . .. .. . . . . . . . . . .. . . .. . . . . .. . . . . . .. . 88
104 Magnehelic Gauge Connection .. .. . . .. . . .... . . .. . . .. . . . .. .. . .. . .... . . . . . . . . . . . . . .. . . . . . . .. . .... . . . ... ... . . . .. . . 89
Limit in Unit................................................................................................................. 90
106 Checking Limit Switch................................................................................................90
123
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