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ITH-Series Technical Manual

Page 18

Cambridge

Engineering

Inc.

Installation

Note:

Reflectors should overlap adjacent reflectors 4" to 6". Be sure not to tile reflector sections;

that is, reflector sections must be either above both adjacent reflector sections, or below both
adjacent reflector sections. (

Figure 15

).

Figure 15: Reflector Overlap Illustration

Reflector

Support

Loose

Screws

Tight

Screws

Loose

Screws

Tight

Screws

Reflector Overlap

Approx. 6"

Fasten Endcap

with Screws

«
...
16
17
18
19
20
...
»

Содержание ITH Series

Страница 1: ...nstalling or servicing this equipment FOR YOUR SAFETY The use and storage of gasoline or other flammable vapors and liquids in open containers in the vicinity of this appliance is hazardous FOR YOUR S...

Страница 2: ...CAUTION FIRE OR EXPLOSION HAZARD This heater is equipped with an automatic ignition device Do not attempt to light the burner by hand Failure to comply could result in a serious fire and personal inju...

Страница 3: ...NFIGURATIONS 8 CLEARANCE TO COMBUSTIBLES 9 INSTALLATION 11 INSTALLATION SEQUENCE 11 VENTING COMBUSTION AIR DUCTING 25 GENERAL REQUIREMENTS 25 UNVENTED OPERATION 25 VENTED OPERATION 26 Horizontal Venti...

Страница 4: ...be Heaters are low intensity high performance gas fired radiant heaters This field assembled unitary space heater design includes a premium high efficiency reflector for additional energy savings in a...

Страница 5: ...eam of the burner farthest from the gas supply meter to allow checking of system gas pressure Electrical All heaters must be electrically grounded in accordance with the National Electric Code ANSI NF...

Страница 6: ...W C 14 0 W C Propane Gas Minimum Maximum 11 5 W C 14 0 W C Manifold Pressure Natural Gas 3 5 W C Propane Gas 10 5 W C Inlet Connection Natural Gas or Propane 1 2 female NPT Electric Supply 120 VAC 60...

Страница 7: ...Overall Dimensional Information Figure 2 Component Dimensional Information 16 TUBE 4 6 OR 8 REFLECTOR BAFFLE SECTION U BEND 24 18 ELBOW WHEN INSTALLING ORIENT BAND CLAMP LOCK BOLTS TO TOP AT 10 O CLO...

Страница 8: ...ess steel The following special configurations are also approved 80 000 BTU Hr 40 heat exchanger with NO baffle or 6 aluminized baffle 100 000 BTU Hr 40 or 50 heat exchanger with NO baffle or 6 alumin...

Страница 9: ...lass painted surfaces and other materials which may be damaged by radiant or convective heat Combustible materials are considered to be wood compressed paper plant fibers plastics Plexiglas or other m...

Страница 10: ...8 4 78 72 8 4 81 77 One Side Extension D A C B A B C D 2 4 50 35 2 4 58 38 2 4 63 42 2 4 73 45 4 4 76 50 4 4 78 52 6 6 80 54 6 6 84 56 6 6 84 58 Two Side Extension D A B C A B C D 2 9 50 9 2 16 58 16...

Страница 11: ...pansion A minimum 12 length welded link chain with a working load limit of at least 200 lbs is recommended Figure 5 Close all open ended S hooks and turnbuckles to avoid unhooking chain with inadverte...

Страница 12: ...ized tube in the first two hangers Figure 7 Be sure the flange is toward the intended burner location The other end of the tube should have the first coupling already loosely fitted Concrete Beam Turn...

Страница 13: ...own refer to Figure 7 for more details Figure 7 Installation of First section of Flanged Tube For all remaining tubes fit the end of the tube with a coupling Figure 8 the coupling should be loose Figu...

Страница 14: ...y before the other may result in an undesirable wrinkle in the liner Figure 9 Be sure not to over torque the coupling Torque coupling to 15 25 ft lbs Figure 9 J Bolt and Coupling Installations Continu...

Страница 15: ...ent system Figure 11 Note Baffles are always placed at the end of the last heat exchanger tube length with the exception of the special configuration ITH 205 with a 50 tube length Figure 3 for more de...

Страница 16: ...in last section of tube Heat Exchanger Tube Tube Coupling Vent Adapter Bend Tab over End of Tube Install J Bolt at first hanger Tube Flange Gasket 2 to 8 Combustion Tube Burner Assembly Tube Coupling...

Страница 17: ...and one in the middle of each 10 reflector length Figure 14 shows the installation of the reflector support bracket Figure 14 Reflector Support Bracket Installation Slide Reflector through the Hanger...

Страница 18: ...e sure not to tile reflector sections that is reflector sections must be either above both adjacent reflector sections or below both adjacent reflector sections Figure 15 Figure 15 Reflector Overlap I...

Страница 19: ...ining reflector overlap joints and reflector brackets are left loose to accommodate system movement Figure 16 Reflector Supports Installation and Reflector Overlap Install End Cap as shown in Figure 4...

Страница 20: ...arance to combustibles distance use mitered reflectors Figure 19 and refer to Clearance to Combustibles information Figure 18 90 Elbow and U Tube Assembly Detail Elbows or U Tubes must be located not...

Страница 21: ...ECTOR INSTALLATION If used install the Mitered Reflector as shown below Figure 19 Figure 19 Mitered Reflector Installation Assemble Corner Bracket to Mitered Reflectors as shown Mitered Reflector Sect...

Страница 22: ...art Figure 20 Figure 20 Side Shield Overlap Reflector Hanger Side Reflector Bracket approx 48 apart 8 x 3 8 Screw 8 x 3 8 Screw Reflector 8 x 3 8 Screws Notch the Side Reflector for Reflector Brackets...

Страница 23: ...Inc Installation BOTTOM SHIELD REFLECTOR INSTALLATION Bottom shields need not overlap Each 5 section is held with two support brackets Figure 21 Figure 21 Bottom Shield Installation Tighten Screw Bot...

Страница 24: ...h Suspended Ceiling Installation Install from Outside of Shield and hold with Screws from Outside Notch Deco Grille Support for Hangers Supports Fasten to End Cap Deco Grille Supports Fasten with Scre...

Страница 25: ...to the heater horizontally or vertically IMPORTANT Maximum total vent length allowed for any model heater is 30 Maximum total fresh air inlet duct length allowed for any model heater is 30 Total of v...

Страница 26: ...heaters venting through a common roof vent are defined in the appropriate gas installation code Refer to common venting section below Use of an approved thimble to pass through combustible roof materi...

Страница 27: ...RIZONTAL VENTING THROUGH COMBUSTIBLE WALLS WALL THIMBLE MAY BE REPLACED BY FLASHING WHERE THE VENT IS PENETRATING A NON COMBUSTIBLE WALL 6 TOTAL VENT LENGTH FOR SINGLE WALL VENTING INCLUDING ELBOWS 40...

Страница 28: ...an approved type and should be located at an elevation equal to or below the vent terminal elevation to prevent back venting of flue gases into the burner compartment Install single wall pipe or PVC...

Страница 29: ...re testing of the system has been completed Failure to do so may expose the burner components to damaging high pressure requiring replacement of key components Flexible gas connectors of approved type...

Страница 30: ...STAT HV 24V V2 S1 GND L1 IND TH V1 PSW IGNITER BURNER SENSOR 24V BLOWER Green Pink Orange Black Blue Yellow Black Yellow Red SWITCH AIR Purple LAMP RUN Purple Brown L1 TRANSFORMER NEUTRAL 120V Blue R...

Страница 31: ...post purge This allows the products of combustion to be removed from the heat exchanger to avoid nuisance condensation and increase heat exchanger life When using a line voltage thermostat and the he...

Страница 32: ...tes valve is closed Gas pressure downstream of gas control can be measured by connecting a manometer to pressure tap on control If the valve is closed either the gas valve or the ignition module is fa...

Страница 33: ...Does Motor Impeller Spin Freely IF PROBLEM PERSISTS CONTACT YOUR LOCAL CAMBRIDGE ENGINEERING REPRESENTATIVE Verify Sense Electrode Verify Ground Verify Wiring Does 24V Occur At Valve During Ignition...

Страница 34: ...TO 220 000 BTU CMCE004 CMCE013 BLOWER GASKET CMCH007 6 FLAME SENSOR ELECTRODE CMCE003 7 ITEM 8 PART SPARK ELECTRODE DESCRIPTION CMCE002 12 10 BURNER CUP BURNER CUP ASSEMBLY C W ELECTRODES CMUG001 CMUG...

Страница 35: ...ndards Manufacturer does not warrant Products if they are abused improperly operated or maintained subjected to abnormal wear and tear damaged due to improper gas or electric service damaged in transi...

Страница 36: ...760 Long Road Crossing Dr Chesterfield MO 63005 Phone 800 899 1989 Fax 636 530 6133 www cambridge eng com...

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