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Фрагмент инструкции
The CGTH-Series heater employs a balanced flue/air venting duct system and must conform to the following length requirements: Maximum Length:10' (3048 mm) Minimum Length:2' - 6" (760 mm) Maximum Elbows:Two (2) with natural gas units, one (1) with propane gas units 3.4.2 Venting Codes %-& %& , * % ) % ! " # The location, size, installation and termination of vents, as well as the required safe distances from combustibles when penetrating combustible walls, must comply with local codes and recommendations of the local gas company. United States: Refer to National Fuel Gas Code, ANSI Z223.1 - latest revision (same as NFPA Bulletin 54). Canada: Refer to CSA B149.1 and B149.2: Installation Codes for Gas Burning Appliances. 3.4.3 Balanced Flue Construction The balanced flue consists of a 3" (80 mm) diameter flue which is concentrically positioned inside a 5" (125 mm) diameter vent pipe (See Figure 3). The 5" (125 mm) diameter vent supplies outside air for combustion while the 3" (80 mm) diameter flue carries the products of combustion from the heater. The balanced flue is applicable for both horizontal and vertical venting arrangements. Vertical venting will require the optional roof venting kit available from Roberts-Gordon. FIGURE 3: Balanced Flue ,:+-. +%-$. ,% 3 B,:+-% +%-$ 3.5 Non-Residential Installations 3.5.1 Aircraft Hangars The CGTH-Series heater may be used in certain areas of aircraft hangars. Installation in aircraft hangars must be in accordance with the following codes: United States: Refer to Standard for Aircraft Hangars, ANSI/ NFPA-409 - latest revision. Canada: Refer to Standard CSA B149.1 and B149.2. • Heaters in aircraft storage or service areas must be installed a minimum of 10' (3048 mm) above the upper surface of wings or engine enclosures of the highest aircraft which may be housed in the hangar. (This should be measured from the bottom of the heater to the top of the wing, or engine enclosure, whichever is highest from the floor). • In other sections of aircraft hangars, such as shops or offices, heaters must be installed a minimum of 8' (2438 mm) above the floor. • Heaters installed in aircraft hangars shall be located so as not to be subject to damage by aircraft, cranes, movable scaffolding or other objects. • When installed over hoists, the required safe distances from combustibles must be maintained from the uppermost point of the combustible materials placed on the hoist. 3.5.2 Public Garages The CGTH-Series heater may be used in public garages. Installation in public garages must be in accordance with the following codes: United States: Standard for Parking Structures NFPA-88A - latest revision or the Code for Fuel Dispensing Facilities and Repair Garages, NFPA-30A - latest revision. Canada: Refer to CSA B149.1 and B149.2: Installation Codes for Gas Burning Appliances. • Heaters must be installed a minimum of 8' (2438 mm) above the floor. Required safe distances to SECTION 3: PLANNING CGTH INSTALLATION, OPERATION AND SERVICE MANUAL combustibles must be maintained from vehicles parked below the heater. • When installed over hoists, the required safe distances from combustibles must be maintained from the uppermost point of the combustible materials placed on the hoist. 3.5.3 Hazardous Locations Where there is the possibility of exposure to combustible airborne material or vapor, consult the local Fire Marshal, the Fire Insurance Carrier or other authorities for approval of the proposed installation. SECTION 4: INSTALLATION SECTION 4: INSTALLATION . . . . . . ! !" . 4.1 Safety Equipment Use of the following safety equipment is recommended for installation of the CGTH-Series heater: • Work gloves • Safety glasses 4.2 Installation Tools Tools required for the installation of the CGTH-Series heater include at a minimum the following: • Tape measure • Electric drill (with an assortment of drill bits) • Pipe wrenches - 2 required • Screwdriver • Tin snips • Hacksaw • Wire strippers • Staple gun • Level • Pliers • Crimping tool • Hole saw - 5” (125 mm) • Stud Finder (if garage is finished) 4.3 Installation Materials Materials required for the installation of the CGTH- Series heater include at a minimum the following: • High temperature silicone sealant (such as General Electric RTV106 or Permatex® Form-A-Gasket ® Red) • Suspension hooks (capable of supporting 75 lbs. each) • Sheetmetal screws The following items may be required for your particular installation: • Plastic drain hose • Additional vent pipe • Roof flashing • Rain collar • Chain - 75 lbs., or equivalent • Snap hooks (as required) 4.4 Choose Location for Heater When selecting a suitable mounting location for the CGTH-Series heater it is important to consider the following: • The heater must meet the minimum mounting height requirement of 7' (2134 mm) above the floor. For aircraft hangars and public garage...
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