112
See
Figure 3-11
Flue Gas Carbon Dioxide & Oxygen Measurements ..... 96
See
Figure 4-7
Freeze Protection .............................................................. 58
Freezestat ..........................................................................10
Fresh Air & Return Air Damper ................................... 80-81
See
Figure 4-5: Table 4-5
Frostat Control ...................................................................55
Fuse replacement data ....................................................101
G
Gas Trains ..........................................................................33
See
235 and 350 MBH: 500 and 850 MBH:
1000 MBH and Modulating
Gas Valve Adjustment Screw Locations............................ 96
See
Figure 4-8
"Gate" type valve ......................................................... 36-37
See
Figure 3-12: Figure 3-13
GBAS Analog Input Wiring Diagram .................................54
See
Figure 3-18; GBAS Voltage vs Setpoint
GBAS Voltage vs Setpoint .................................................54
See
Figure 3-18
Generic Building Automation System................................48
Generic Building Automation System Module .....................8
Grease Recommendations ..............................................103
See
Table 5-6
H
Head Pressure Control ........................................................9
Heat Exchanger ............................................................... 98
See
Limited Modulating Gas Furnace;
Modulating Gas Furnace
Heat Module ........................................................................ 7
heating coil falls to 40 F.....................................................10
High Duct Temp Thermostats(3S16, 3S17) ......................10
high duct thermostat can be reset .....................................10
High Pressure Controls .......................................................9
High-Fire Adjustment .........................................................95
See
Two Stage Gas Furnace
Honeywell Ignition System ................................................56
See
Two Stage Gas Furnace
Hot Water Piping................................................................36
See
Figure 3-12
Human Interface Module ....................................................7
See also
appropriate SAHF-PTG manual
I
Interprocessor Communications Board..............................7
L
Lead-Lag..............................................................................9
Lead/Lag Operation ......................................................... 56
Limited Modulating Gas Furnace .................................... 98
Low Ambient Compressor Lockout ................................. 10
Low Ambient Control ......................................................... 9
Low Ambient Dampers ................................................... 93
Low Pressure Control ........................................................ 9
Low-Fire Adjustment ........................................................ 95
See
Two Stage Gas Furnace
M
Manifold Pressures and CO2 Levels................................. 96
See
Gas Furnace Start-Up: Table 4-7
Measuring Subcooling..................................................... 93
See
Charging by Subcooling
Measuring Superheat ........................................................93
Minimum Position Potentiometer ......................................47
Model Number Description ............................................ 4 - 5
Modulating Gas..................................................................57
Modulating Gas Furnace ................................................. 97
Modulating Gas Heat control .................................... 97 - 98
See
Full Modulating Gas Furnace: Limited
Modulating Gas Furnace
Modulating Gas Regulator................................................. 98
See
Figure 4-9
Modulating Gas Train ........................................................34
See
Figure 3-10
Morning Warm-Up .............................................................10
motor winding temperature decreases
to approximate ...................................................................10
motor windings exceeds approximately 221 F ..................10
N
nameplate location ..............................................................6
Natural Gas Combustion Curve ........................................96
See
Table 4-8
O
Occupied Cooling .............................................................. 11
Occupied Heating .............................................................. 11
Occupied/Unoccupied Contacts ....................................... 47
Operating Pressure Curve........................................... 85-92
See
Table 4-6 (Standard & Hi Cap)
Operation and Service Clearances ...................................15
Operator's Maintenance Log .......................................... 110
See
Table 5-8
ordering replacement parts ................................................ 4
Outdoor Air Humidity Sensor ............................................. 9
Outside Air Pressure Sensor ........................................... 31
Outside Air Sensor ........................................................... 31
See
Figure 3-9
P
P-Traps at the unit ........................................................... 27
See
Figure 3-6
Power Wire Sizing and Protection Device Equations..... 43
See
Figure 3-15
Propane Gas......................................................................56
R
Refrigerant Charging .........................................................83
Refrigerant Coil Fin Data .................................................103
See
Table 5-7
Refrigerant Coils ..............................................................109
See
Coil Cleaning
Remote Human Interface Module .................................... 46
Remote Panel w/ NSB .......................................................45
See
BAYSENS019*: BAYSENS020*
Remote Panel w/o NSB ............................................ 45, 46
See
BAYSENS010B: BAYSENS021A
Remote Zone Sensor ........................................................46
request for exhaust fan operation ....................................... 8
request for supply fan operation.......................................... 8
requesting service .............................................................. 4
required number of conductors .................................. 49-53
See
Figure 3-16: Figure 3-17
Return Air Humidity Sensor ................................................ 9
