© American Standard 2001 IMPACK – Gas Furnace Operation. Notes – YCC/YCX-F 1. Gas Electric Sequence of Operation The outlet flue restrictor is required when the furnace is operated on low input. To install the
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80% SINGLE STAGE GAS FURNACES Part Number 441 08 2011 00 Single Stage Multi Position Furnace Service Manual TABLE OF CONTENTS 1. furnace. SEQUENCE OF OPERATION & DIAGNOSTICS The following is the normal operating sequence. Cooling (Y)
Service agency or the gas supplier. INSTALLATION INSTRUCTIONS SLP98UHV DAVE LENNOX SIGNATURE® COLLECTION GAS FURNACE UPFLOW / HORIZONTAL AIR DISCHARGE 506610−01 05/2011 Supersedes 12/2010 Heating Sequence of Operation 57. . . . . . . . . . . . . . . . . . .
–Identifying high efficiency gas furnaces Sequence of operation 4. Each component – What is it? How does it work? How does it fail? So what? requirements for high efficiency furnace vent systems? •6 inches •2 inches •1 inch
Boiler costs can increase approximately 10% (1). Boiler operation and maintenance is Including boiler lockout in the HVAC system’s sequence of operation is important in achieving energy Effect of Return Water Temperature on Efficiency of Condensing Boilers Flue Gas Economizers
Optional Motorized Outside Air Damper..8 Optional Clogged Filter the furnace and to insure proper flue gas flow. All combustible materials When there is a call for gas furnace operation the discharge air
80% GAS FURNACE INSTALLATION INSTRUCTIONS GAS FURNACE SAFETY Table of Contents SEQUENCE OF OPERATION result in the spilling of flue products into the living space, the formation of condensate, leakage, etc.
SL280UHV Gas Furnace 4. . . . . . . . . . . . . . . . . . . . . . . . . Heating Sequence of Operation 54. . . . . . . . . . . . . . . . . . . nace must be securely connected to the furnace flue transition at all times. FLUE TRANSITION COLLAR
GAS-FIRED UNIT HEATER A. Check unit nameplates to be sure that the model is correct. B. Examine the furnace nameplate attached to the air inlet to be sure that the type of gas SEQUENCE OF OPERATION IX.(TYPICAL) A. Room Thermostat Calls for Heat (Winter
With a positive vent static pressure and with a flue gas temperature that will produce significant condensate in the Plan furnace gas supply piping so it will not interfere with SEQUENCE OF OPERATION HEATING MODE 1. Thermostat calls for heat ("R" and "W" terminals
Operation sequence COMBUSTION PM CHECKS Sequence of operation checks Air intake / exhaust Flame color FLUE GAS ANALYSIS & LEAK DETECTION FLUE GAS ANALYSIS O2 measurements GAS FURNACE – OPERATION
With the furnace on McQuay applied rooftop heating and air in improper or dangerous operation. Operation of the gas furnace in such a contaminated atmosphere consti- Typical Sequence of Operation On-off gas burner (see Figure 6b):
GMH95 40" 95% Gas Furnace 13 Gas Line Entrance 14 Flue Pipe Connection (Alternate) 15 Rubber Elbow 16 Induced Draft Blower 17 Electrical Connection Inlets (Alternate) These furnaces are manufactured for natural gas operation.