Desa CGN12A installation manual

Contents

Main OWNERS OPERATION AND INSTALLATION MANUAL VENT-FREE NATURAL GAS HEATER Model: CGN12A CONTENTS WARNINGS DANGER SAFETY INFORMATION WARNINGS PRODUCT IDENTIFICATION LOCAL CODES UNPACKING PRODUCT FEATURES PRODUCING ADEQUATE VENTILATION Unusually Tight Construction Unconfined Space Confined Space You must provide additional ventilation air in a confined space. DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space VENTILATION AIR Ventilation Air From Inside Building Continued Figure 2 - Ventilation Air from Inside Building Rework worksheet, adding the space of the adjoining unconfined space. VENTILATION AIR NOTICE CHECK GAS TYPE INSTALLATION ITEMS LOCATING HEATER WARNING INSTALLING HEATER TO WALL Figure 5 - Mounting Screw Locations Marking Screw Locations 1. Determine where you will locate heater. Figure 4 - Mounting Clearances As Viewed From Front of Heater Page Placing Heater On Mounting Screws Removing Front Panel Of Heater Installing Bottom Mounting Screw WARNING NOTICE CONNECTING TO GAS SUPPLY CAUTION CHECKING GAS CONNECTIONS CONNECTING TO GAS SUPPLY PRESSURE TESTING HEATER GAS CONNECTIONS CHECKING GAS CONNECTIONS HEATER LIGHTING INSTRUCTIONS Page TO SELECT HEATING LEVEL MANUAL LIGHTING PROCEDURE TO TURN OFF GAS TO APPLIANCE PILOT FLAME PATTERN INSPECTING BURNER Page CLEANING MAINTENANCE ODS/PILOT AND BURNER ORIFICE CABINET Page Page TECHNICAL SPECIFICATIONS HINTS Note: REPLACEMENT CENTRALS PUBLICATIONS ACCESSORY HEATER EXPLODED VIEW B ILLUSTRATED BREAKDOWN 7-1 7-2 PARTS LIST CGN12A LIMITED WARRANTY COMFORT GLOW VENT-FREE RESIDENTIAL GAS HEATERS WARRANTY INFORMATION