Desa 10542 installation manual Connecting to GAS Supply, Typical Inlet Pipe Diameters

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INSTALLATION

Continued

3.For carpeted floors, make a small cut with a sharp knife at marked locations prior to drill- ing. If mounting base to a wood floor, drill 1/8 inch diameter hole, 3/4 inch deep. (Do not use anchors in wood floors).

If mounting base to a concrete floor, drill with 1/4 inch diameter concrete drill bit, 13/8 inches into floor. Insert anchors completely into holes.

4.Reposition heater with base feet over holes. Secure base to floor with wood screws. See Figure 13, page 11.

CONNECTING TO GAS SUPPLY

WARNING: This appliance requires a 3/8" NPT (National Pipe Thread) inlet connection to the pressure regulator.

WARNING: A qualified ser- vice person must connect heater to gas supply. Follow all local codes.

WARNING: For natural gas, never connect heater to private (non-utility) gas wells. This gas is commonlyknownaswellheadgas.

IMPORTANT: For natural gas, check gas line pressure before connecting heater to gas line. Gas line pressure must be no greater than 10.5 inches of water. If gas line pressure is higher, heater regu-

For propane/LP gas, the installer must supply an external regulator. The external regulator will re- duce incoming gas pressure. You must reduce in- coming gas pressure to between 11 and 14 inches of water. If you do not reduce incoming gas pres- sure, heater regulator damage could occur. Install the external regulator with the vent pointing down as shown in Figure 14. Pointing the vent down protects it from freezing rain or sleet.

CAUTION: Use only new, black iron or steel pipe. Inter- nally-tinned copper tubing may be used in certain areas. Check your local codes. Use pipe of large enough diameter to allow proper gas volume to heater. If pipe is too small, undue loss of volume will occur.

Typical Inlet Pipe Diameters

10,000/20,000 Btu/Hr Models - 3/8" or greater

30,000 Btu/Hr Models - 1/2" or greater

Installation must include equipment shutoff valve, union, and plugged 1/8" NPT tap. Locate NPT tap within reach for test gauge hook up. NPT tap must be upstream from heater (see Figure 15, page 13). IMPORTANT: Install an equipment shutoff valve in an accessible location. The equipment shutoff valve is for turning on or shutting off the gas to the appliance.

Apply pipe joint sealant lightly to male NPT threads. This will prevent excess sealant from go- ing into pipe. Excess sealant in pipe could result in clogged heater valves.

lator damage could occur.

CAUTION: For propane/LP gas,neverconnectheaterdirectly to the propane/LP supply. This heater requires an external regu- lator (not supplied). Install the ex- ternal regulator between the heater and propane/LP supply.

Propane/LP Supply Tank

External Regulator

Vent

Pointing

Down

Figure 14 - External Regulator With Vent

Pointing Down

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Contents What to do if YOU Smell GAS Table of Contents Safety Information Product Features Local CodesProduct Identification UnpackingAIR for Combustion Ventilation Providing Adequate VentilationUnusually Tight Construction Confined and Unconfined SpaceDetermining FRESH-AIR Flow for Heater Location Determining if You Have a Confined or Unconfined SpaceInstallation Ventilation AIRCheck GAS Type Ventilation Air From Inside BuildingInstallation Items Locating HeaterInstalling Heater to Wall 30,000 Btu/Hr Model 20,000 Btu/Hr Model10,000 Btu/Hr Model Attaching To Wall Anchor MethodInstalling Bottom Mounting Screws Mounting Base Feet to Floor Where required by local codeMounting Heater to Floor with Optional Floor KIT Placing Heater On Mounting BracketConnecting to GAS Supply Typical Inlet Pipe DiametersNatural Gas Propane/LPPressure Testing Heater GAS Connections Test Pressures Equal To or Less Than 1/2 Psig 3.5 kPaManual Control Models For Your Safety Read Before Lighting Operating HeaterLighting Instructions Manual Lighting Procedure To Turn OFF GAS To ApplianceShutting Off Heater Shutting Off Burner Only pilot stays litThermostat Control Operation Inpecting Heater Pilot Flame PatternBurner Flame Pattern Cleaning Maintenance ODS/PILOT and BurnerBurner Pilot AIR Inlet CabinetTroubleshooting Observed Problem Possible Cause RemedyReplace burner orifice See Cleaning and Mainte Gas leak. See Warning Statement aboveSpecifications 10548 10546 10542/1054410549 10547 10545 10543Service Hints Technical ServiceService Publications Replacement Parts Parts Under WarrantyIllustrated Parts Breakdown 10,000 BTU/HR Manual Control Models 10542Parts List 10,000 BTU/HR Manual Control Models19-1 19-2 19-113 10,000, 20,000, and 30,000 BTU/HR Termostat Models Accessories Equipment Shutoff Valve GA5010FAN Kits GA3210T Base KIT GA4550Parts Centrals Warranty Information Keep this WarrantyLimited Warranty VENT-FREE Residential GAS Heaters

10542 specifications

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One of the main features of Desa 10542 is its focus on creating a vibrant, inclusive community. The layout of the neighborhood promotes accessibility and connectivity, with wide pedestrian pathways, cycling lanes, and communal spaces designed for social interaction. Parks and green spaces are strategically placed throughout the area, providing residents with lush environments that encourage outdoor activities and foster a sense of community.

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In summary, Desa 10542 represents a forward-thinking community that harmoniously blends modern technology with sustainable practices. Its focus on environmental consciousness, smart living, and community connectivity makes it a model for future urban developments, proving that a balance between modernity and nature is not only possible but also desirable.
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