York DM036 Installation Manual

Also see for DM 036: Technical guide

Contents

York DM036 Installation Manual Manual pdf 3 page image

5011492-XIM-B-0815Johnson Controls Unitary Products 3GeneralYORK Model DM units are either single package airconditioners equipped with optional factory installed electricheaters, or single package gas-fired central heating furnaceswith cooling unit. Both are designed for outdoor installation on arooftop or slab.The units are completely assembled on rigid, permanentlyattached base rails. All piping, refrigerant charge, and electricalwiring is factory installed and tested. The units require electricpower, gas connection, duct connections, installation ofcombustion air inlet hood, flue gas outlet hoods and fixedoutdoor air intake damper (units without economizer ormotorized damper option only) at the point of installation.The supplemental electric heaters have nickel-chromeelements and utilize single point power connection.These gas-fired heaters have aluminized-steel (or optionalstainless steel) tubular heat exchangers. The units have sparkignition with proven pilot. All gas heaters are shipped from thefactory equipped for natural gas use, but can be field convertedto L.P./ Propane with Kit Model # 1NP0440. See Gas HeatApplication Data Table on page 14.Safety ConsiderationsThis is a safety alert symbol. When you see this symbolon labels or in manuals, be alert to the potential forpersonal injury.Understand and pay particular attention the signal wordsDANGER, WARNING or CAUTION.DANGER indicates an imminently hazardous situation, which,if not avoided, will result in death or serious injury.WARNING indicates a potentially hazardous situation, which,if not avoided, could result in death or serious injury.CAUTION indicates a potentially hazardous situation, which, ifnot avoided may result in minor or moderate injury. It is alsoused to alert against unsafe practices and hazards involvingonly property damage.Due to system pressure, moving parts and electricalcomponents, installation and servicing of air conditioningequipment can be hazardous. Only qualified, trained, ser-vice personnel should install, repair, maintain or servicethis equipment.Observe all precautions in the literature, on labels andtags accompanying the equipment whenever working onair conditioning equipment. Be sure to follow all othersafety precautions that apply.Wear safety glasses and work gloves, and follow allsafety codes. Use a quenching cloth and have a fireextinguisher available for all brazing operations.InspectionAs soon as a unit is received, it should be inspected for possibledamage during transit. If damage is evident, the extent of thedamage should be noted on the carrier’s freight bill. A separaterequest for inspection by the carrier’s agent should be made inwriting.FIRE OR EXPLOSION HAZARDFailure to follow safety warnings exactly could result inserious injury, death, or property damage.- Do not store or use gasoline or other flammablevapors and 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 useany phone in your building.• Leave the building immediately.• Immediately call your gas supplier from aneighbor’s phone. Follow the gas supplier’sinstructions.• If you cannot reach the gas supplier, call thefire department.- Installation and service must be performed by aqualified installer, service agency or the gassupplier.Improper installation may create a condition where theoperation of the product could cause personal injury orproperty damage. Improper installation, adjustment,alteration, service or maintenance can cause injury orproperty damage. Refer to this manual for assistance orfor additional information, consult a qualified contractor,installer or service agency.This product must be installed in strict compliance withthe installation instructions and any applicable local,state and national codes including, but not limited tobuilding, electrical, and mechanical codes.