StyleCrest Installation Manual

2
TABLE OF CONTENTS
IMPORTANT SAFETY INFORMATION
Safety markings are used frequently throughout this
manual to designate a degree or level of seriousness and
should not be ignored. WARNING indicates a potentially
hazardous situation that if not avoided, could result in
personal injury or death. CAUTION indicates a potentially
hazardous situation that if not avoided, may result in minor
or moderate injury or property damage.
WARNING:
The safety information listed below must be
followed during the installation, service, and
operation of this furnace. Failure to follow safety
recommendations could result in possible
damage to the equipment, serious personal
injury or death.
AVERTISSEMENT :
Les renseignements de sécurité indiqués
ci-dessous doivent être respectés pendant
l’installation, l’entretien et le fonctionnement
de cette fournaise. Le non-respect des
recommandations de sécurité peut causer des
dommages à l’équipement ou des blessures
graves, voire mortelles.
WARNING:
Do not install this furnace if any part has been
submerged under water. A flood damaged furnace
is extremely dangerous. Attempts to use the
furnace may result in fire or explosion. A qualified
service agency should be contacted to inspect the
furnace and to replace any electrical or control
system parts that have been wet or under water.
IMPORTANT SAFETY INFORMATION ..................... 2
REQUIREMENTS & CODES ..................................... 3
GENERAL INFORMATION ........................................ 4
Minimum Clearances ............................................... 4
Applications ............................................................. 5
Unit Location ............................................................ 5
CIRCULATING AIR REQUIREMENTS ...................... 5
Return Air ................................................................. 5
Supply Air ................................................................ 6
FURNACE INSTALLATION ....................................... 6
General Information ................................................. 6
Locating & Cutting Duct Openings ........................... 6
Standard Duct Connector Installation ...................... 8
Alternate Attachment Method ................................ 8
Round Duct Connector Installation .......................... 9
Installing the Furnace .............................................. 9
ROOF JACK INSTALLATION ................................... 9
Roof Jack Selection ................................................. 9
Locating & Cutting Roof / Ceiling Openings ............ 9
Installing The Roof Jack .......................................... 11
ELECTRICAL INFORMATION .................................. 12
Line Voltage Wiring .................................................. 12
Connecting Power Supply Wires ........................... 13
Low Voltage Wiring .................................................. 14
Connecting Thermostat Wires ............................... 14
Verifying Anticipator Setting .................................. 14
Grounding ................................................................ 14
FUEL SUPPLY & PIPING .......................................... 14
Leak Check .............................................................. 16
Flue Gas Sampling .................................................. 16
High Altitude Conversion ......................................... 16
Conversion to Propane (LP) Gas ............................. 17
Atmospheric & Direct Ignition Furnaces ................ 17
Measuring the Supply Gas Pressure..................... 18
Measuring the Manifold Pressure.......................... 18
STARTUP & ADJUSTMENTS ................................... 18
Operating Instructions .............................................. 19
How to Shut Off Gas - Direct Ignition Models........ 19
Verifying Input Rate ................................................. 19
Verifying & Adjusting Temperature Rise .................. 19
Burner Adjustments ................................................. 20
Gas Pressure ........................................................ 20
OPERATING SEQUENCE ......................................... 20
Direct Ignition Furnaces ........................................... 20
TROUBLESHOOTING ............................................... 20
FURNACE CONTROLS & FUNCTIONS ................... 22
MAINTENANCE ......................................................... 22
Installer Information ................................................. 22
OPTIONAL ACCESSORIES ...................................... 22
Optional Add-On Air Conditioning ............................ 22
FIGURES & TABLES ................................................. 23
Gas Information ....................................................... 23
Table 8. Gas Flow Rates ....................................... 23
Table 9. Gas Pipe Capacities ................................ 23
Table 10. Natural Gas Heating Values .................. 24
Table 11. High Altitude Deration Chart for
Natural Gas - High Heating Value ......... 24
Table 12. High Altitude Deration Chart for
Natural Gas - Low Heating Value ......... 24
Table 13. High Altitude Deration Chart for
Propane Gas ......................................... 24
Electrical Information ............................................... 25
Figure 31. Gas Direct Ignition Furnace, Heating
& A/C Ready - All MG1 Models............ 25
Airflow Data ............................................................. 26
Table 14. Heating Airflow (CFM) & Temperature
Rise (°F) ................................................ 26
Table 15. Cooling Airflow (CFM) ........................... 27
INSTALLATION CHECKLIST .................................... 28