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FIGURE 16 - Typical Installation of a Model UEAS High Efficiency, Separated-Combustion

Unit with a

Horizontal

Vent/Combustion Air Terminal (Option CC6)

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8c)

Seal around the combustion air pipe with an outdoor caulking material

or a masonry cement or a combination of flashing and caulking. Adjust the

sealant and the pipe so that the metal pipe will have a slight downward

slope to the outside. The downward slope and the 1/2” drain hole (Step

4b) will prevent rain water from running through the pipe into the concentric

adapter box.

Installation of the horizontal vent and combustion air system on your sepa-

rated-combustion unit is complete. Verify compliance with all venting instal-

lation requirements, pages 13-19, and

FIGURE 16

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UEAS

Sizes

X

Y

130, 180

8 ft 2.4 M 36" 914 mm

260, 310

10 ft 3.0 M 48" 1219 mm

**Minimum - Check for and comply

with local Codes.

Form I-UEAS, P/N 221232 R6, Page 23

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Summary of Contents for UEAS

Page 1: ...R WARRA N T Y C ONVERGEN T Q UALITY SYSTE M CQS CQS FOR YOUR SAFETY 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 build...

Page 2: ...rne silicone substances See Hazard Levels above 1 General Table of Contents 1 General 2 4 1 1 Hazard Labels and Notices 2 1 2 General Information 3 1 3 Warranty 3 2 Unit Heater Location 4 6 1 4 Instal...

Page 3: ...or if the air delivery sys tem is modified Model UEAS high efficiency unit heaters are design certified by ITS for use in industrial and commercial installations in the United States and Canada Instr...

Page 4: ...es in accordance with ANSI NFPA No 88A latest edition Standard for Park ing Structures and for repair garages in accordance with ANSI NFPA No 88B latest edition Standard for Repair Garages In Canada i...

Page 5: ...arge air along exposed walls with extra units provided to discharge air in toward the center of the area At those points where infiltration of cold air is excessive such as at entrance doors and shipp...

Page 6: ...A conversion kit is included with the heater for converting for use with propane see instructions in Paragraph 7 1 4 Read this booklet and become familiar with the installation requirements of your p...

Page 7: ...rt External Gas Connection S Size A B C E F G H J K M N P R S Dimensions inches 1 8 inch 130 160 20 1 8 39 3 16 16 1 16 11 15 16 2 3 8 25 11 16 50 1 2 42 13 7 16 8 5 16 4 5 16 5 1 16 6 5 16 1 3 4 260...

Page 8: ...cture to be used to verify that it has sufficient load carrying capacity to support the weight of the unit Model UEAS Weight Size 130 180 260 310 lbs 230 245 360 395 kg 104 111 163 179 If the heater i...

Page 9: ...ope shall be resistant to the action of lique fied petroleum gas or any other chemical constituents of the gas being supplied 7 Mechanical Sizing Gas Supply Line 7 1 Gas Piping and Pressure 7 1 1 Gas...

Page 10: ...pply WARNING Valve outlet gas pressure must never exceed 3 5 w c for natural gas and 10 w c for propane gas For Natural Gas When the heater leaves the factory the combination gas valve is set so that...

Page 11: ...ntact the local gas supplier Before attempting to measure or adjust valve outlet gas pressure the inlet supply pressure must be within the specified range both when the heater is in operation and on s...

Page 12: ...outside of the heater access panel so that it will be con spicuous to anyone operating or servicing the unit Be sure the surface is clean and dry and adhere the label The input and or the capacity of...

Page 13: ...Normal Input Thermal Output Capacity Normal Input Thermal Output Capacity Normal Input Thermal Output Capacity Feet Meters Size 130 Size 180 Size 260 Size 310 0 2000 0 610 131 000 121 830 175 000 159...

Page 14: ...and 9B are field supplied See Paragraph 7 2 1 6 page 16 for making vent pipe joints The vent pipe drain connects into the heater condensate drain Refer to Paragraph 7 3 page 28 for condensate drain i...

Page 15: ...cceptable alternate PVC piping arrangement for installations in the United States FIGURE 9B CANADIAN OR U S INSTALLATION Horizontal or Vertical Vent showing Where to Install the Condensate Drain Conne...

Page 16: ...e move all burrs from the inside and outside diameter of the cut end of the pipe Chamfer bevel the end of the pipe 10 to 15 Use a clean dry cloth to remove surface dirt grease and moisture from the pi...

Page 17: ...pe expansion when placing hangers Changes in pipe direction will allow for expansion Hangers must be placed to allow for some direction movement The slip joint at the concentric adapter is designed to...

Page 18: ...nal vent combustion air kit is Option CC2 Heater Side View of the Concentric Adapter Box FIGURE 12 Concentric Adapter Box Dimensions 1 7 8 48mm 6 3 16 157mm 2 51mm 9 11 32 237mm 5 11 23 136mm 8 diamet...

Page 19: ...Connections FIGURE 15 Is the Separated Combustion Vent Combustion Air System Horizontal or Vertical HORIZONTAL OR VERTICAL VENT TERMINAL Vertical Option CC2 instructions begin on page 24 Horizontal O...

Page 20: ...ara graph 7 2 1 4 on page 16 Also read the Hazards of Chlorine on page 6 concerning location of the combustion air inlet In most applications the terminal will be on approximately the same level as th...

Page 21: ...nd the runs close to the wall location selected in Step 1 above Provide 1 4 per foot 6mm per 305mm downward pitch of the vent pipe toward the heater for condensate to drain NOTE The vent pipe will ext...

Page 22: ...g a drill that is a size smaller than the 3 4 long sheetmetal screw with the elbow pointing down drill a pilot hole through the top center of the elbow socket and the vent pipe Remove the elbow In the...

Page 23: ...will have a slight downward slope to the outside The downward slope and the 1 2 drain hole Step 4b will prevent rain water from running through the pipe into the concentric adapter box Installation of...

Page 24: ...for Vertical Vent Combustion Air Kit Option CC2 in compliance with requirements on pages 13 19 Parts in the Vertical Vent Terminal Combustion Air Package Option CC2 Components Required Factory and Fie...

Page 25: ...bove the roof 4b Attach the combustion air pipe to the collar of the concentric adapter box with sheetmetal screws Seal joint and seam with tape or sealant 5 Attach the concentric adapter box to the u...

Page 26: ...pipe and fasten the collar to the combustion air pipe with sheetmetal screws Seal the joint with tape or sealant See FIGURE 19 8b To prevent rain water leakage slide the rain collar over the end of th...

Page 27: ...Separated Combustion Unit with a Vertical Vent Combustion Air Terminal Option CC2 Rear View Side View Installation of the vertical vent and combustion air system on your sepa rated combustion unit is...

Page 28: ...since unit heaters are normally installed several feet above the floor If a gravity system is not possible a condensate pump may be installed There are a number of commercially available pumps made f...

Page 29: ...2 or larger The trap requirements are the same for either type of drain connection NOTE In Canada all PVC vent pipe must be approved to ULC S636 FIGURE 21 Secondary Heat Exchanger Condensate Drain Tra...

Page 30: ...inside on the bottom of the control compartment The circuit board is polarity sensitive It is advisable to check the electrical supply to be certain that the black wire is the hot wire and that the w...

Page 31: ...ACK BK BROWN BR RED R ORANGE O YELLOW Y GREEN G BLUE BL PURPLE PR WHITE W Y W UEAS SERIES R W FUSE R DOOR INTERLOCK DISCONNECT SWITCH 14 GA BK 14 GA BK THERMOSTAT SEE NOTE 8 OPTIONAL SINGLE STAGE W FA...

Page 32: ...stem resistance is reduced The Table below lists the approximate water column differential pressure readings and switch setpoints for sea level operating conditions for Model UEAS heaters 9 1 Thermost...

Page 33: ...interrupt the electric supply to the gas valve If the vent temperature switch is activated identify and correct the cause before resetting the switch Refer to the Maintenance Section for information...

Page 34: ...e venter remains energized If flame is sensed during the first 16 seconds the spark is de energized and the control proceeds to heat fan blower on delay If flame has not been sensed during the first 1...

Page 35: ...er successful ignition the control will de energize the gas valve run the venter motor through post purge and run the fan blower motor on heat speed for the selected delay off time Ignition Retry If f...

Page 36: ...e fan motor is energized after a 25 second delay NOTE This brief on delay is to allow the G terminal to energize slightly before Y and an external changeover relay to switch from G to W without causin...

Page 37: ...Lockout 11 Operation 11 1 Check the Installation Prior to Startup Check to be sure that all screws used to hold shipping brackets were re installed in the heater cabinet Check the bottom panel Remove...

Page 38: ...ian Force or attempted repair may result in a fire or explosion Should overheating occur or the gas supply fail to shut off turn off the manual gas valve to the appliance before shut ting off the elec...

Page 39: ...essure for altitude Turn the unit off and on pausing two minutes between each cycle Observe for smooth ignition Place the packet of information containing the Limited Warranty this booklet and any con...

Page 40: ...lly Check the burner for scale dust or lint accumulation Clean if needed Check gas valve to ensure that gas flow is being shutoff completely Check the vent combustion air system for soundness Clean op...

Page 41: ...secondary air shield b Holding the venturi tube slide the entire burner assembly slightly to the right to disengage the burner from the supports on the left Then rotate the open end of the venturi tu...

Page 42: ...with the same screws Check to be sure all wire connections are secure 4 Attach the Gas Train Slide the gas train so that the orifice adapter is through the bracket Fasten the gas train to the bracket...

Page 43: ...10 and the Troubleshooting Flow Chart in Paragraph 12 3 FIGURE 29 DSI Integrated Control Module Circuit Board Only replaceable part is a Type ATC or ATO 3 amp fuse Color Code Violet P N 201685 Ignito...

Page 44: ...12 2 Maintenance Procedures cont d 12 2 4 Ignition System cont d FIGURE 30 Ignitor showing required Spark Gap Measurement Dimension A Size inches mm 130 180 1 5 8 67 260 2 51 310 1 7 8 48 FIGURE 31 F...

Page 45: ...ions for checking pressure settings are in Paragraph 7 1 3 FIGURE 33 Pressure Tap for Checking Gas Flow Shutoff Single Stage Valve Carefully remove external dirt accumulation and check wiring connec t...

Page 46: ...authorized replacement part that is designed for the heater Always replace electrical box cover 12 2 10 Door Switch If it is determined that the door switch needs replacing use only a factory authoriz...

Page 47: ...lights that indicate normal operation and various abnormal conditions If the heater fails to operate properly check this sig nal to determine the cause and or to eliminate certain causes LED is vis i...

Page 48: ...ard is grounded to furnace chassis h Unit not properly grounded h Make certain unit is properly field grounded to earth ground and properly phased L1 to hot lead L2 to neutral i Integrated circuit boa...

Page 49: ...amic is not cracked Replace as required 8 Cracked ceramic at sensor 8 Replace sensor 9 Incorrect polarity 9 Reverse line volt leads to integrated circuit board 10 Pin terminal loose on 9 pin plug 10 R...

Page 50: ...8 A CSA ratings for altitudes to 2000 ft B Size shown is for gas connection to a single stage gas valve not supply line size C MOCP 2 25 x largest motor FLA smallest motor FLA Answer is rounded to the...

Page 51: ...LS 2 Hazards of Chlorine 6 Normal Heat Cycle Operating Sequence 34 Heat Exchanger Maintenance 40 High Altitude 8 High Altitude Capacity 12 High Altitude Derate 11 Horizontal Vent Combustion Air Kit Op...

Page 52: ...________________________ Phone _________________________________ Model No ______________ Serial No _____________________Date of Installation ____________ SPECIFIC INSTALLATION NOTES i e Location CFM H...

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