1.0 Safety ConsiderationsIMPORTANT: Read this entire manual beforebeginning installation procedures.Read this manual carefully before attempting toinstall, operate, or perform maintenance on thisunit. Installation, service, and maintenance shouldbe performed by qualified technicians only.NOTE: “Warnings” and “Cautions” appear atappropriate places in this manual. Read these carefully.Your personal safety and the proper operationof this heating product require that you follow themcarefully. The manufacturer assumes no liabilityfor installations or service performed by independantdealers.Safety signal words are used to designate a degreeor level of seriousness associated with a particularhazard. The signal words for safety markings areWARNING and CAUTION.▲!WARNINGWARNING indicates a potentially hazardous situationwhich, if not avoided, could result in death or seriousinjury.▲!CAUTIONCAUTION indicates a potentially hazardous situationwhich, if not avoided, may result in minor ormoderate injury. It is also used to alert againstunsafe practices and hazards involving only propertydamage.1.1 WARNINGS▲!WARNINGTHE INFORMATION IN THIS GUIDE IS FOR USEBY INDIVIDUALS HAVING ADEQUATE BACK-GROUND OF ELECTRICAL AND MECHANICALEXPERIENCE. ANY ATTEMPTS AT PLUMBING,INSTALLING OR REPAIRING A BOILER MAYRESULT IN PERSONAL INJURY AND/OR PRO-PERTY DAMAGE. THE MANUFACTURER ORSELLER CANNOT BE RESPONSIBLE FOR THEINTERPRETATION OF THIS INFORMATION,NOR CAN IT ASSUME ANY LIABILITY IN CON-NECTION WITH ITS USE.▲!WARNINGELECTRICAL HAZARDDISCONNECT POWER BEFORE INSTALLINGOR SERVICING. FAILURE TO FOLLOW THISWARNING COULD RESULT IN SERIOUS INJURY,DEATH, OR PROPERTY DAMAGE.▲!WARNINGBURN HAZARDALLOW BOILER TO COOL DOWN PRIOR TOSERVICING OR PERFORMING MAINTENANCE.FAILURE TO FOLLOW THIS WARNING COULDRESULT IN SERIOUS INJURY, DEATH, OR PRO-PERTY DAMAGE.▲!WARNINGSAFETY HAZARDDO NOT BYPASS SAFETY CONTROLS. FAILURETO FOLLOW THIS WARNING COULD RESULTIN SERIOUS INJURY, DEATH, OR PROPERTYDAMAGE.▲!WARNINGCARBON MONOXIDE POISONING HAZARDFOLLOW THE INSTALLATION AND OPERATIONINSTRUCTIONS FOR THE VENTING SYSTEMOPERATION. FAILURE TO FOLLOW THIS WAR-NING COULD RESULT IN SERIOUS INJURY,DEATH, OR PROPERTY DAMAGE.▲!WARNINGFIRE HAZARDDO NOT INSTALL THIS BOILER DIRECTLY ONCARPETING. FAILURE TO FOLLOW THIS WAR-NING COULD RESULT IN SERIOUS INJURY,DEATH, OR PROPERTY DAMAGE.NOTE: This product is approved for installation oncombustible flooring materials except for carpet.▲!WARNINGFIRE HAZARDDO NOT INSTALL THIS BOILER WHERE FLAM-MABLE LIQUIDS ARE STORED OR WHEREFLAMMABLE VAPORS ARE PRESENT. FAILURETO FOLLOW THIS WARNING COULD RESULTIN SERIOUS INJURY, DEATH, OR PROPERTYDAMAGE.▲!WARNINGHEAVY OBJECT HAZARDA BOILER IS A HEAVY OBJECT. DO NOTHANDLE OR WORK UNDER A BOILER WITHOUTPROPERLY SECURING IT THROUGH SHORING,BLOCKING OR CRIBBING. FOLLOW ALL STATEAND FEDERAL CODES AND OSHA REGULA-TIONS AND GUIDELINES FOR HANDLING THEBOILER DURING INSTALLATION AND SERVI-CING. FAILURE TO FOLLOW THIS WARNINGCOULD RESULT IN SERIOUS INJURY, DEATH,OR PROPERTY DAMAGE.18-CG03D1-42
▲!WARNINGSAFETY HAZARDTHESE BOILERS ARE NOT APPROVED ORINTENDED FOR INSTALLATION IN MANU-FACTURED (MOBILE) HOUSING, TRAILERS,OR RECREATIONAL VEHICLES. FAILURETO FOLLOW THIS WARNING COULD RESULTIN SERIOUS INJURY, DEATH, OR PROPERTYDAMAGE.▲!WARNINGWATER DAMAGE HAZARDDO NOT USE THIS UNIT IF ANY PART HASBEEN UNDER WATER. IMMEDIATELY CALLA QUALIFIED SERVICE TECHNICIAN TO INS-PECT THE BOILER AND TO REPLACE ANYPART OF THE CONTROL SYSTEM AND ANY GASCONTROL WHICH HAS BEEN UNDER WATER.FAILURE TO FOLLOW THIS WARNING COULDRESULT IN SERIOUS INJURY, DEATH, OR PRO-PERTY DAMAGE.▲!WARNINGBURN HAZARDBEFORE OPENING THE BOILER DOOR,DISCONNECT BURNER CORD AT THE PLUG.FAILURE TO FOLLOW THIS WARNING COULDRESULT IN SERIOUS INJURY, DEATH, OR PRO-PERTY DAMAGE.PR0PERTY DAMAGE.▲!WARNINGIf the information in this manual is not followed exactly,a fire or explosion may result causing propertydamage, personal injury or loss of life.— Do not store or use gasoline or other flammablevapors or liquids in the vicinity of this or anyother appliance.— WHAT TO DO IF YOU SMELL GAS• Do not try to light any appliance.• Do not touch any electrical switch;do not use any phone in your building.• Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’sinstructions.• If you cannot reach your gas supplier,call the fire department.— DO NOT RELY ON SMELL ALONE TO DETECTLEAKS. DUE TO VARIOUS FACTORS, YOU MAYNOT BE ABLE TO SMELL FUEL GASES.• U.L. recognized fuel gas and CO detectors arerecommended in all applications, and theirinstallation should be in accordance with themanufacturer's recommendations and/or locallaws, rules, regulations, or customs.— Installation and service must be performed by aqualified installer, service agency or the gassupplier.▲!WARNINGCARBON MONOXIDE POISONING HAZARDFailure to follow the steps outlined below for eachappliance connected to the venting system beingplaced into operation could result in carbon monoxidepoisoning or death.The following steps shall be followed for each applianceconnected to the venting system being placed intooperation, while all other appliances connected to theventing system are not in operation:1. Seal any unused openings in the venting system.2. Inspect the venting system for proper size andhorizontal pitch, as required in the National Fuel GasCode, ANSI Z223.1/NFPA 54 or the CAN/CGA B149Installation Codes and these instructions. Determinethat there is no blockage or restriction, leakage,corrosion and other deficiencies which could cause anunsafe condition.3. As far as practical, close all building doors andwindows and all doors between the space in which theappliance(s) connected to the venting system arelocated and other spaces of the building.4. Close fireplace dampers.5. Turn on clothes dryers and any appliance notconnected to the venting system. Turn on any exhaustfans, such as range hoods and bathroom exhausts, sothey are operating at maximum speed. Do not operatea summer exhaust fan.6. Follow the lighting instructions. Place the appliancebeing inspected into operation. Adjust the thermostatso appliance is operating continuously.7. If improper venting is observed during any of the abovetests, the venting system must be corrected inaccordance with the National Fuel Gas Code,ANSI Z221.1/NFPA 54 and/or CAN/CGA B149Installation Codes.8. After it has been determined that each applianceconnected to the venting system properly vents wheretested as outlined above, return doors, windows,exhaust fans, fireplace dampers and any other gas-firedburning appliance to their previous conditions of use.▲!WARNINGEXPOSED FLAMEBEFORE OPENING BOILER DOOR, DISCON-NECT ELECTRICAL POWER AND UNPLUGBURNER ELECTICAL CORD. FAILURE TOFOLLOW THIS WARNING COULD RESULT ININJURY, DEATH OR PROPERTY DAMAGE.The following <strong>warning</strong> complies with State of California law, Proposition 65.▲!WARNINGHAZARDOUS GASES!EXPOSURE TO FUEL SUBSTANCES OR BY-PRODUCTSOF INCOMPLETE FUEL COMBUSTION IS BELIEVED BYTHE STATE OF CALIFORNIA TO CAUSE CANCER, BIRTHDEFECTS, OR OTHER REPRODUCTIVE HARM.18-CG03D1-43