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FOR YOUR SAFETY
If you smell gas:
1. Open windows.
2. DO NOT try to light any appliance.
3. DO NOT use electrical switches.
4. DO NOT use any telephone in
your building.
5. Extinguish any open flame.
6. Leave the building.
7. Immediately call your local gas
supplier after leaving the building.
Follow the gas supplier’s
instructions.
8. If you cannot reach your gas
Gas-Fired, Low Intensity
supplier, call the Fire Department.
WARNING
Unitary Heater
Installation, Operation &
Se
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TABLE OF CONTENTS SECTION 1: Heater Safety......................................................1 SECTION 9: Gas Piping........................................................ 37 1.1 Manpower Requirements .............................................1 SECTION 10: Wiring.............................................................. 39 1.2 Safety Labels and Their Placement .............................1 10.1 Standard Heater Configuration ................................ 39 1.3 California Propositi
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TABLE OF FIGURES Figure 1: Top and Bottom Panel Label Placement ....................2 Figure 2: Side and Back Panel Label Placement......................3 Figure 3: Standard Reflector .....................................................5 Figure 4: One Side Reflector.....................................................6 Figure 5: Two Side Reflectors ...................................................6 Figure 6: 45° Tilt Reflector ........................................................6 Figure 7
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SECTION 1: HEATER SAFETY SECTION 1: HEATER SAFETY the product user when they are no longer legible. Please contact Roberts-Gordon LLC or your ROB- Your Safety is Important to Us! ® ERTS GORDON independent distributor to obtain This symbol is used throughout replacement signs or labels. See Page 2, Figure 1 the manual to notify you of possi- through Page 3, Figure 2. ble fire, electrical or burn hazards. Please pay special attention when reading and following the 1.3 California Propositi
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL FIGURE 1: Top and Bottom Panel Label Placement Logo Label Rating Plate Label Bottom Panel Proposition 65 Label Top Panel Description Part Number Logo Label 91013212 Rating Plate Label 91010401 Gas Connection Label 91018122 Proposition 65 Label 91070015 Gas Connection Label 2 of 71
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SECTION 1: HEATER SAFETY FIGURE 2: Side and Back Panel Label Placement Control Side Panel Clearances to Combustibles Label Control Side Panel (Inside) Wiring Label N.O. COM Carbon Monoxide Hazard Label Inside Bottom Panel Vent Length Label Low Voltage Connection Label Back Panel Description Part Number Clearances to Combustibles Label 91013415 Wiring Label 91013303 Lighting Instruction Plate Label Carbon Monoxide Hazard Label 91039501 Low Voltage Connection Label 91039700 Vent Length Label 9
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL SECTION 2: INSTALLER RESPONSIBILITY on the burner and in the Installation, Operation and Service Manual. See Page 5, Figure 3 through Page The installer is responsible for the following: 8, Figure 12. Write the proper clearance dimensions � To install the heater, as well as the gas and in permanent ink according to your model number electrical supplies, in accordance with applicable and configuration in the open spaces on the tag. spec
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SECTION 3: CLEARANCES TO COMBUSTIBLES SECTION 3: CLEARANCES TO COMBUSTIBLES 3.1 Required Clearances to Combustibles WARNING Clearances are the required distances that combustible objects must be away from the heater to prevent serious fire hazards. Combustibles are materials, that may catch on fire and include common items such as wood, paper, rubber, fabric, etc. Maintain clearances to combustibles at all times Fire Hazard for safety. Keep all flammable objects, liquids and Clearances
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows. 2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 4: ONE SIDE REFLECTOR (inches) (centimeters) Model A BC DA BC D CTH3-80 6 9 70 54 16 23 178 138 CTH3-115 6 9 83 65 16 23 211 166 CTH3-150 6 9 86 69 16 23 219 176 CTH3-200 8 9 88 73 21 23 224 186 FIGURE 5: TWO SIDE
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SECTION 3: CLEARANCES TO COMBUSTIBLES NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows. 2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 7: U-TUBE, STANDARD REFLECTOR (inches) (centimeters) Model A BC DA BC D CTH3-80 6 38 69 37 16 97 176 94 CTH3-115 6 46 79 43 16 117 201 110 CTH3-150 6 50 84 47 16 127 214 120 CTH3-200 8 54875121 138 221 130 FIGURE 8: U-TUBE, 45° (
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL NOTE: 1. All dimensions are from the surfaces of all tubes, couplings and elbows. 2. Clearances B, C and D can be reduced by 50% after 25' (7.5 m) of tubing downstream from where the burner and burner tube connect. FIGURE 10: 2-FOOT DECO GRILLE AND PROTECTIVE GRILLE (inches) (centimeters) Model A BC DA BC D CTH3-80 6 38 66 38 16 97 168 97 CTH3-115 6 46 77 46 16 117 196 117 CTH3-150 6 50 80 50 16 127 204 127 CTH3-200 8 52825221 133 2
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SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES SECTION 4: NATIONAL STANDARDS AND APPLICABLE CODES 4.1 Gas Codes 4.3 Public Garages The type of gas appearing on the nameplate Installation in garages must be in accordance must be the type of gas used. Installation must with the following codes: comply with national and local codes and United States: Refer to Standard for Parking requirements of the local gas company. Structures NFPA 88A - latest revision or the United States: Refer to
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL SECTION 5: MAJOR COMPONENTS FIGURE 13: Major Component Descriptions Burner with Tube Gasket Reflector Must be installed with the (Aluminum or flame observation Stainless window facing down. Steel) Alternate overlap as shown on overview and on Page 15, Figure 16. Minimum overlap is 6" (16 cm). Burner Tube Tube Supplied in 10' Heat treated (3 m) lengths. Burner aluminized tube supplied tube is always the first tube in 10' (3 m) len
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SECTION 5: MAJOR COMPONENTS 5.1 Standard Parts List Table 1: Contents of Burner Carton Part No. Description CTH3-80 CTH3-115 CTH3-150 CTH3-200 034XXXXX Burner Assembly (Rate and Fuel Varies) 1 1 1 1 02568200 Gasket (Burner to Burner Tube) 1 1 1 1 134100NA Installation, Operation and Service Manual 1 1 1 1 94273914 Hex Head Bolts 5/16-18 Rolok 4 4 4 4 96411600 Split Lock Washer 4 4 4 4 91201708 Pipe Nipple (Black) 1/2" NPT x 4" 1 1 1 1 *91412200 Flexible Stainless Steel Gas Hose - 1/2" NPT (US
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL SECTION 6: HEATER INSTALLATION Expansion and contraction of the tube dictates that the minimum suspension lengths in the table on WARNING Page 13, Figure 14 be maintained. Severe Injury Hazard Secure burner to burner tube with bolts and lockwashers. Hang heater with materials with a minimum working load of 75 lbs (33 kg). Failure to follow these instructions can result in death, injury or property damage. WARNING Cut/Pinch Hazard Wear p
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SECTION 6: HEATER INSTALLATION FIGURE 14: Critical Hanger Placement +*) # ) , # 0#) 0 & 1
-./ 0 8 -.4 ! -./ 2 3' 4 567' +9 # ' &##
" # () " * : ;#
!"#
$% &# Run Length Typical Expansion Minimum “X” Length Description Part Number 10' - 50' ±1" (3 cm) 12" S-Hook 919073
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CTH3-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL FIGURE 15: Linear Heater Assembly Overview 14 of 71 !"# < 0) !"# +9 0#) > +9 +9 !"# 0 )# !"# )) +9 +9# # # = 0# ) & )
