Hot Water Gas Modular Boilers Application Guide-Books Pdf

HOT WATER GAS Modular Boilers APPLICATION GUIDE
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INTRODUCTION, This Caravan application manual is intended to simplify the selection B Faster easier installation modules are completely factory. and application of Slant Fin modular systems for a variety of space assembled including individual jackets to save on site labor. heating and domestic hot water requirements It applies to Optional easy to install return and supply headers with flexible. gas fired hot water applications only Where intermittent pilot vent quick connect fittings are available for hot water systems. damper or any additional information is required contact your local. wholesaler Slant Fin sales representative or the Slant Fin factory C Safety each module contains an individual high limit control. and a dual combination gas valve ASME relief valve is provided. Due to design flexibility of a Caravan modular boiler system BTU separately for mounting directly on each module. input capacities are unlimited, D Fast domestic hot water recovery Caravan offers an external. A Boiler room design size and flexibility since Caravan heat exchanger of the positive circulating type. modules have the burner and controls mounted to the front they. can be installed with minimum clearances as per codes thus. saving a significant amount of floor space, Table 1 Gas Caravan ratings and dimension hot water model GGT Series 100 psi maximum working pressure. Consists of Ratings, Draft Draft Header Space Length Min. No of Module EDR AHRI Boiler Thermal Water Jkt Hood Flue Hood to Btwn with Header. Htg Model CSA Gross Water Net Horse EFF Content Ship Width Ht Collar Ht Header Mods Header Size. Model No Mod Number Input Output Sq Ft Output power gal Wt A B C D E F L. GGT 600E 2 GG 300ES 600 486 2814 422 14 5 81 10 18 4 1080 2611 16 595 8 8 121 32 2113 16 55 16 4 11 2. GGHT 700E 2 GG 350HES 700 570 3306 496 17 0 81 40 20 6 1230 301 16 671 8 9 1323 32 253 16 115 16 5 2 2. GGHT 750E 2 GG 375HES 750 606 3506 526 18 1 80 90 20 6 1230 301 16 595 8 10 1323 32 253 16 115 16 5 2 2. GGHT 800E 2 GG 399HES 798 644 3734 560 19 2 80 60 20 6 1230 301 16 665 8 10 1323 32 253 16 115 16 5 2 2. GGT 900E 3 GG 300ES 900 729 4221 633 21 8 81 10 27 6 1590 2611 16 595 8 8 121 32 2113 16 55 16 7 7 2. GGHT 1050E 3 GG 350HES 1050 855 4959 744 25 5 81 40 30 9 1830 301 16 671 8 9 1323 32 253 16 115 16 7 10 2. GGHT 1125E 3 GG 375HES 1125 909 5259 789 27 2 80 90 30 9 1830 301 16 595 8 10 1323 32 253 16 115 16 7 10 2. GGHT 1200E 3 GG 399HES 1197 966 5601 840 28 9 80 60 30 9 1830 301 16 665 8 10 1323 32 253 16 115 16 7 10 3. GGT 1200E 4 GG 300ES 1200 972 5628 844 29 0 81 10 36 8 2140 2611 16 595 8 8 121 32 2113 16 55 16 10 3 3. GGHT 1400E 4 GG 350HES 1400 1140 6612 992 34 1 81 40 41 2 2440 301 16 671 8 9 1323 32 253 16 115 16 10 6 3. GGHT 1500E 4 GG 375HES 1500 1212 7012 1052 36 2 80 90 41 2 2440 301 16 595 8 10 1323 32 253 16 115 16 10 6 3. GGT 1500E 5 GG 300ES 1500 1215 7035 1055 36 3 81 10 46 0 2675 2611 16 595 8 8 121 32 2113 16 55 16 12 11 3. GGHT 1600E 4 GG 399HES 1596 1288 7468 1120 38 5 80 60 41 2 2440 301 16 665 8 10 1323 32 253 16 115 16 10 6 3. GGHT 1750E 5 GG 350HES 1750 1425 8265 1240 42 6 81 40 51 5 3050 301 16 671 8 9 1323 32 253 16 115 16 13 2 3. GGHT 1875E 5 GG 375HES 1875 1515 8765 1315 45 3 80 90 51 5 3050 301 16 595 8 10 1323 32 253 16 115 16 13 2 3. GGHT 2000E 5 GG 399HES 1995 1610 9333 1400 48 1 80 60 51 5 3050 301 16 665 8 10 1323 32 253 16 115 16 13 2 3. GGHT 2100E 6 GG 350HES 2100 1710 9918 1488 51 1 81 40 61 8 3660 301 16 671 8 9 1323 32 253 16 115 16 15 10 3. GGHT 2250E 6 GG 375HES 2250 1818 10518 1578 54 3 80 90 61 8 3660 301 16 595 8 10 1323 32 253 16 115 16 15 10 3. GGHT 2400E 6 GG 399HES 2394 1932 11202 1680 57 7 80 60 61 8 3660 301 16 665 8 10 1323 32 253 16 115 16 15 10 3. GGHT 2450E 7 GG 350HES 2450 1995 11571 1736 59 6 81 40 72 1 4270 301 16 671 8 9 1323 32 253 16 115 16 18 6 3. GGHT 2625E 7 GG 375HES 2625 2121 12271 1841 63 4 80 90 72 1 4270 301 16 595 8 10 1323 32 253 16 115 16 18 6 3. GGHT 2800E 7 GG 399HES 2793 2254 13069 1960 67 3 80 60 72 1 4270 301 16 665 8 10 1323 32 253 16 115 16 18 6 3. GGHT 2800AE 8 GG 350HES 2800 2280 13224 1984 68 1 81 40 82 4 4880 301 16 671 8 9 1323 32 253 16 115 16 21 2 3. GGHT 3000E 8 GG 375HES 3000 2424 14024 2104 72 4 80 90 82 4 4880 301 16 595 8 10 1323 32 253 16 115 16 21 2 3. GGHT 3150E 9 GG 350HES 3150 2565 14877 2232 76 6 81 40 82 4 5490 301 16 671 8 9 1323 32 253 16 115 16 23 10 3. GGHT 3200E 8 GG 399HES 3192 2576 14936 2240 77 0 80 60 82 4 4880 301 16 665 8 10 1323 32 253 16 115 16 21 2 3. GGHT 3375E 9 GG 375HES 3375 2727 15777 2367 81 5 80 90 92 7 5490 301 16 595 8 10 1323 32 253 16 115 16 23 10 3. GGHT 3500E 10 GG 350HES 3500 2850 16530 2480 85 1 81 40 92 7 6100 301 16 671 8 9 1323 32 253 16 115 16 26 6 3. GGHT 3600E 9 GG 399HES 3591 2898 16800 2520 86 6 80 60 92 7 5490 301 16 665 8 10 1323 32 253 16 115 16 23 10 3. GGHT 3750E 10 GG 375HES 3750 3030 17530 2630 90 5 80 90 103 0 6100 301 16 595 8 10 1323 32 253 16 115 16 26 6 3. GGHT 4000E 10 GG 399HES 3990 3220 18670 2800 96 2 80 60 103 0 6100 301 16 665 8 10 1323 32 253 16 115 16 26 6 3. FOR LARGER SIZES USE MULTIPLES OF THE ABOVE, Specify gas by name Natural or Propane Net ratings in square feet based on emission rate of 150 Btuh sq ft.
Net ratings are based on piping and pick up allowance of 1 15 Slant Fin should Refer to figures 1 and 8 Headers shown are optional. be consulted before selecting a boiler for installation having unusual piping and or All factory supplied headers use 3 system connections. pick up requirements Ratings must be reduced by 4 at 2 000 ft elevation and Modules in excess of 10 should be piped in parallel in two or more batteries. an additional 4 for every additional 1 000 ft elevation over 2 000 ft. Note For higher capacities specify correct combination of standard Caravan. modules shown, Figure 1 Gas Caravan dimensions and typical piping hot water models. Design Data, Max ASME Working Pressure 100 psi, Power Requirements 120 volts 60 HZ 34 amps per module. RECOMMENDED PIPING, Figure 2 Recommended boiler piping for variable circulation. Figure 3 Supply and return piping locations, Figure 4 Instantaneous tankless coil Figure 5 Storage tank from tankless coil with recirculation. two temperature with recirculation, EQUIPMENT INCLUDED Module pressure and temperature gauge unmounted.
Module pressure relief valve ASME unmounted Specify. GGT SERIES Hot Water Models 30 50 or 100 psi, One per module unless otherwise noted Control header unmounted one per system. Pre assembled heat exchangers with built in air separators Draft hoods unmounted. and insulated jacket, Base OPTIONAL EQUIPMENT, Flue collector Hot water supply and return header assemblies. Gas burners gas orifices and manifold assembly Control panel with automatic lead lag. Combination gas valve including manual shut off pressure Spark ignition system. regulator Vent dampers, Hi limit control External DHW heat exchanger. System pressure and temperature gauge unmounted one. per system, Building piping must be rigidly secured so it cannot. move where connected to headers, Shown reverse return Preferred For direct return.
header assembly piping connections may be made at, the same end of the boiler bank not as shown. Some governing agencies do not allow compression, type couplings Consult your local code requirements. Figure 6 Gas Caravan optional header assembly for all models GGT hot water Caravan systems. BOILER ROOM DESIGN BOILER ROOM AIR SUPPLY, Caravan modular boiler systems allow better utilization of floor To ensure safe efficient operation the modular boiler system must. space and permit future expansion with minimum cost Caravan be supplied with sufficient air to support complete combustion. modules are hand truckable fit through doorways and often may replacing air entering draft dampers or draft hoods and ventilating. be installed around an existing inoperative boiler They can be the boiler room or areas. grouped in heating module batteries of single multiple or angular For additional information not listed below see ANSI Z223 1. rows Gas fired boiler systems consisting of 11 or more modules section 5 3 3. should be piped in parallel in two or more batteries Illustrated on. the following page are typical boiler room layouts and dimensional. data on the size requirements of gas fired hot water boilers INSTALLATION IN ENCLOSED BOILER ROOM REQUIRES. TWO UNOBSTRUCTED OPENINGS FOR PASSAGE OF, AIR INTO THE BOILER ROOM. 1 Air drawn horizontally from outdoors DIRECTLY, through an outside wall one louvered opening near.
the floor below burner air inlet and one louvered, opening near the ceiling above the highest draft. regulator each opening with a minimum FREE air, passage area of 1 square inch per 4000 BTUH of total. system input, 2 Air drawn horizontally through HORIZONTAL DUCTS. one opening near the floor below burner inlet and one. opening near the ceiling above the highest draft, regulator each opening with a minimum FREE air. passage area of 1 square inch per 2000 BTUH of total. system input, 3 Air drawn VERTICALLY from outdoors one opening.
at the floor and one opening at the ceiling each opening. with a minimum FREE air passage area of, 1 square inch per 4000 BTUH of total system input. Figure 7 Correct location of combustion air supply ducts. 4 Air drawn from inside the building one opening near. the floor below burner inlet and one opening near the. ceiling above the highest draft regulator each opening. with a minimum FREE air passage area of, 1 square inch per 1000 BTUH of total system input. IF BOILERS ARE INSTALLED ADJACENT TO OTHER FUEL, BURNING EQUIPMENT THE AREA OF FREE OPENINGS. MUST BE APPROPRIATELY INCREASED TO ACCOMMODATE, THE ADDITIONAL LOAD. UNLESS PROPERLY CONTROLLED AVOID THE USE OF, FORCED VENTILATION SINCE IT CAN CREATE AN.
UNDESIRABLE PRESSURE DIFFERENTIAL BETWEEN, BOILER ROOM AND AIR SOURCE. Figure 8 Typical layouts for gas fired systems, VENTING A GAS FIRED SYSTEM Run breeching as high as clearance permits to obtain maximum. A boiler venting system provides an escape path for the products of vertical rise of individual boiler vents Note that this does not alter. combustion There are three major components for venting a gas fired chimney height the height from hood skirt to chimney top The. Caravan a draft hood for each module a breeching manifold and a portion of chimney height rising directly above each hood is most. chimney effective in preventing spillage When the boiler room is in unheated. space insulate vent pipe and breeching to maintain flue gas temper. Draft Hood ature and good chimney operation It is not permitted to lower draft. The draft hood is part of each boiler module although shipped in a hood skirt height to achieve pitch or to compensate for low. separate carton It compensates for excessive draft that can be ceilings For some combinations of low chimneys ceilings and long. caused by the venturi effect of winds passing over the top of the chim breeching a draft inducer may be needed Inducers when required. ney The dimensional relationships between the draft hood the boiler are locally specified and warrantied The breeching should extend. and surface on which the boiler is mounted are critical These factors into but not beyond the chimney liner. are all interdependent in allowing the draft hood to function without. moving parts Attempts to alter these dimensions can result in unsafe Chimney. operating conditions Caravan gas fired modular boilers operate efficiently with masonry or. Note When mounting the modules on a raised platform be certain prefabricated chimneys as well as with Type B or double walled. the platform extends past the edge of the modules at least 3 inches metal vent pipe This latter type of chimney construction is generally. on all sides the least expensive Chimney height is usually governed by the. building height and the size of the boilers see Table 1 However the. chimney should be high enough to minimize the effects of turbulent. Breeching is a term used to describe a manifold s that connects. winds and pressure common near roof top obstruction A vent cap. individual boiler modules to a chimney Breeching is usually construct. should be used where permitted for additional protection against. ed of sheet metal having a smooth interior surface with all joints made. adverse wind conditions and precipitation The National Board of Fire. tight against leakage Pitch breeching up toward chimney Horizontal. Underwriters recommend that the chimney should extend at least 3. breeching size should be maintained for the total length Any transi. feet above the roof and be 2 feet higher than any obstruction within 10. tions should be made after 4 modules Connection should be made at. a 45 angle in the direction of the chimney See figure 10. Sizing Horizontal Breeching Connectors and Chimneys for Gas. Fired Systems, Table 2 Breeching dimensions for gas fired systems Horizontal breeching connectors shall be constant sized The chimney. GGT and GGHT series hot water boilers and the horizontal breeching connector are sized using Table 2. Consists of Chimney Height When there are multiple banks of boilers the horizontal breeching. connector for each bank is sized using Table 2 To size the common. No of Module 20 25 30 50 horizontal breeching connector add up the total input and refer to. Model No Modules No Feet Feet Feet Feet Table 2 to size. GGT 600E 2 GG 300ES 12 10 10 9 The minimum chimney opening wil. HOT WATER GAS Modular Boilers APPLICATION GUIDE Publication No CG 10 HWG Printed in the U S A 1212 www slantfin com Guidelines for the design purchase and

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