Lochinvar SCH-I-O manuale d’uso

Installation & Operation Manual SCH Collectors This manual must only be used by a qualified heating installer/service technician. Read all instructions before installing. Perform steps in the order given. Failure to comply could result in severe personal injury, death, or substantial property damage.  WARNING: SCH-I-O Rev A[...]

2 Hazard definitions The following defined terms are used throughout this manual to bring attention to the presence of hazards of various risk levels or to important information concerning the life of the product.  DANGER  WARNING  CAUTION CAUTION NOTICE DANGER indicates an imminently hazardous situation which, if not avoided, will result [...]

1 Introduction The SCH collector is suitable for parallel installations and inclined installations on pitched and flat roofs as well as freest anding on the ground. It is available as a single-piece large collector in sizes ranging from 65 to 130 ft 2 with inlet and outlet connections of .86" in diameter. Suitable mounting systems are availabl[...]

SCH Collectors Installation & Operation Manual 4 SCH Collector 7 1 7 2 4 8 6 3 5 6. Inlet connection Copper pipes, .86" diameter. 7. Outlet connection Copper pipes, .86" diameter. 8. Absorber coils 10 mm copper, serpentine arrangement. 9. Hydraulic connection kit Connection set with stainless steel corrugated pipe. For connecting the [...]

SCH Collectors Installation & Operation Manual Installer – Read all instructions, including this manual before installing. Perform steps in the order given. Have your collector(s) serviced/inspected by a qualified service technician, at least annually. Failure to comply with the above could result in severe personal injury, death or substanti[...]

6 SCH Collectors Installation & Operation Manual  WARNING Only authorized solar companies familiar with our products may handle them.  WARNING There is a risk of injury when handling collectors and mounting accessories as these have sharp edges. Dismantling and Disposal • The units are dismantled in the reverse sequence of installation.[...]

Figure 2-2 Multiple Array Piping SCH Collectors Installation & Operation Manual 7 2 Location Array options For series and parallel connection of multiple collectors, it is advisable to calculate the pressure drop over the entire system with the aid of the enclosed documents and to install an appropriate pump if necessary. The maximum collector [...]

SCH Collectors Installation & Operation Manual 8 2 Location Installation positions Figure 2-3 SCH Parallel Installations Figure 2-4 SCH Inclined Installations min. 15° - max. 70° 20°/40°/60° min. 15° - max. 70° Figure 2-5 SCH Freestanding Installations min. 15° - max. 70° For best performance, it is recommended that the collectors face[...]

SCH Collectors Installation & Operation Manual 2 Location (continued) Handling and storing Figure 2-6 Crane Transportation Connection Points and Positioning < 30° 6.5 ft. < 30° 6.5 ft. < 30° 6.5 ft. < 30° 8.5 ft. What to avoid • Collectors are to be located such that eventual sliding of snow and ice does not endanger any perso[...]

SCH Collectors Installation & Operation Manual 10 10 3 Roof Attachment Installation Roof attachment types Table 3A Roof Fastenings - Parts SOLAR ROOF MOUNTS Installation Type See Page Description Parallel Inclined Free- standing Part # Lochinvar Name SRM20001 BOLT, DOUBLE HANGER XX X 1 3 Stainless steel attachment for universal heavy duty insta[...]

SCH Collectors Installation & Operation Manual 11 SCH Collectors Installation & Operation Manual 3 Roof Attachment Installation (continued) Roof attachment quantities for SCH collectors snow loading SRM: 20001, 20003, 20004, 20006, 20007, 20013, 20014, 20015 SRM: 20005 area load up to 32 lb/sq-ft area load up to 64 lb/sq-ft area load up to [...]

SCH Collectors Installation & Operation Manual 12 SCH Collectors Installation & Operation Manual Figure 3-1 Spacing Distance = = = a a a a x a = 2 - 10 in. 55 - 63 in. X = 3 Roof Attachment Installation Spacing Distance Equally space the center roof attachments starting in the middle, the two (2) end attachments will be spaced according to [...]

SCH Collectors Installation & Operation Manual 3 Roof Attachment Installation (continued) Double hanger bolt for universal fastening #SRM20001 Universal fixture for parallel and inclined installation on various roof types and freestanding installation on sufficiently anchored frames. Two hanger bolts are to be installed on the roof as verticall[...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual 14 3 Roof Attachment Installation Figure 3-4A Install Double Hanger Bolt Components HEX NUT W/FLANGE HANGER BOL T PLA TE HEX NUT W/FLANGE W ASHER (M12) HANGER BOL T SEAL HANGER BOL T min. 4” 13. Slide the square disk onto the hex bolt (see FIG. 3[...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual 15 • The anchors must be screwed into a support capable of bearing the required static load (generally rafters or concrete). • Complies with the requirements of DIN1055. • Roof batten height at least 1". • The gap between rafter anchor[...]

SCH Collectors Installation & Operation Manual 16 SCH Collectors Installation & Operation Manual Flat tile hook #SRM20005 The flat tile hook is only used for parallel installation on plain tiled roofs (generally steep roofs with a pitch of over 30°), the hooked ends are hung over the roof battens and screwed in place, an inclined collector[...]

SCH Collectors Installation & Operation Manual 17 SCH Collectors Installation & Operation Manual 3 Roof Attachment Installation (continued) Install flat tile hook 1. Determine roof type. Inspect the structural integrity of the roof and the durability of the roof materials. 2. Determine the number of collectors needed for the installation an[...]

SCH Collectors Installation & Operation Manual 18 SCH Collectors Installation & Operation Manual 3 Roof Attachment Installation Joint clamp #SRM20006 The joint clamp is only used for parallel and inclined mounting on folded-seam tin roofs with galvanized or coated sheet steel, or copper, reference the Universal Cable Securing Kit on page 19[...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual 19 3 Roof Attachment Installation (continued) Universal cable securing kit #SRM20012 For securing inclined collectors on tin joint roofs comprising a guy cable, turnbuckle and hardware for collector frames and joint clamp for guy cable tensioning. [...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual Flange plate shingle (standard) #SRM20007 The standard flange shingle plate is used for parallel and inclined installations on asphalt and elastomer roofs. 3 Roof Attachment Installation 4. Choose a cable orientation to ensure proper degree of angl[...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual 21 3 Roof Attachment Installation (continued) Install flange plate shingle (standard) 1. Determine roof type. Inspect the structural integrity of the roof and the durability of the roof materials. 2. Determine the number of collectors needed for th[...]

SCH Collectors Installation & Operation Manual 22 3 Roof Attachment Installation Flange plate shingle (raised) #SRM20008 The raised flange shingle plate is used for inclined installations on asphalt and elastomer roofs; also suitable for flat roofs. • The plates must be screwed into a member capable of bearing the required static load (genera[...]

SCH Collectors Installation & Operation Manual 23 3 Roof Attachment Installation (continued) Figure 3-27 Drill Holes and Attach Flange Plate COLLECTOR SUBSTRUCTURE HEX BOL T SQUARE DISK USE THE SMALLER SCREWS IN THE PERIMETER OF THE FLANGE PLA TE PRE-DRILL FOUR (4) 6 MM HOLES - USE THE LARGER SCREWS TO SECURE THE FLANGE PLA TE 8. Slide the squa[...]

SCH Collectors Installation & Operation Manual Install metal roof attachment 1. Determine roof type. Inspect the structural integrity of the roof and the durability of the roof materials. 2. Determine the number of collectors needed for the installation and the number of required roof attachments from Table 3B or 3C on page 11. 3. Determine col[...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual 25 Wave roof attachment #SRM20014 & #SRM20015 The wave roof attachment is for parallel and inclined mounting on corrugated cement roofs. The wave roof attachment is screwed to the load-bearing wooden frame using mounting screws and then sealed [...]

SCH Collectors Installation & Operation Manual SCH Collectors Installation & Operation Manual 26 3 Roof Attachment Installation Figure 3-36 Attach Wave Roof Attachment Assembly and Hex Bolt HEX BOL T SQUARE DISK A TT ACH W A VE ROOF A TT ACHMENT ASSEMBL Y (W ASHER, ANGLE BRACKET AND SCREW) TO THE ROOF 7. Slide the square disk onto the hex b[...]

SCH Collectors Installation & Operation Manual 27 Figure 3-38 Pre-Drill 10 mm Hole & Attach to Concrete min. 2 1/4” min. 3” 22 ft./lbs. USE THE W ASHER AND NUT TO SECURE THE ANCHOR BOL T TO THE CONCRETE 6. Place the second nut and washer on the anchor bolt at the desired height (if using the anchor bolt with adjustments). 7. Drill a 10.[...]

SCH Collectors Installation & Operation Manual 28 Installation & Operation Manual 4 Collector Installation Horizontal bar lengths Figure 4-1A Horizontal Bar Lengths 6’7” x x SCH065 = 9’10” SCH090 = 13’2” SCH1 10 = 16’4” SCH130 = 19’7” (x) (x) (x) (x) Figure 4-1B Spacing Information for Location of A-frames for Inclined I[...]

SCH Collectors Installation & Operation Manual SCH parallel mounting instructions 4 Collector Installation (continued) 1. Install roof attachments (see the Roof Attachment Section on pages 13 - 27 of this manual). 2. Install the horizontal bar(s) (FIG.'s 4-2A and 4-2B) using the square disk, hex bolt, and washers provided in the kit. Figur[...]

SCH Collectors Installation & Operation Manual 30 4 Collector Installation Figure 4-6 Secure Collector SQUARE DISK HEX BOL T 7. Position the collector on the horizontal bars so that the collector overhangs approximately 5mm (.2") (FIG. 4-7). Figure 4-7 Position Collector on Horizontal Bars 8. Connect the horizontal end brace to the collect[...]

SCH Collectors Installation & Operation Manual 31 4 Collector Installation (continued) 13. Remove the collector railing and install the Mechanical Connection Kit (FIG.’s 4-13 and 4-14). Note: Be sure to bend the tabs down on the Mechanical Connection Kit. Figure 4-13 Remove Collector Railing REMOVE COLLECTOR RAILING Figure 4-14 Install Mechan[...]

SCH Collectors Installation & Operation Manual 4 Collector Installation SCH inclined / non-south facing roof mounting instructions 1. Install roof attachment (see the Roof Attachment Section on pages 12 - 26 of this manual). 2. Install the horizontal bar(s) (FIG. 4-20) using the square disk, hex bolt, and washers provided in the kit (reference [...]

SCH Collectors Installation & Operation Manual 4 Collector Installation (continued) 10. Position the collector onto the substructure (FIG. 4-26). Figure 4-26 Position Collector On Substructure ENSURE .2” OVERHANG POSITION COLLECTOR ONTO SUBSTRUCTURE 11. Connect the collector to the bottom end brace using the square disk and bolt provided in t[...]

SCH Collectors Installation & Operation Manual 34 Installation & Operation Manual Figure 4-31 Install Mechanical Connection Kit BEND T ABS DOWN 18. Reinstall the collector railing removed in Step 17 (FIG. 4-32). Figure 4-32 Reinstall Collector Railing REINST ALL COLLECT OR RAILING OPTIONAL MECHANICAL CONNECTION KIT 19. Install the side by s[...]

SCH Collectors Installation & Operation Manual 35 Table 4A Inclined and Non-South Facing Installations  AB c d 20° 6 ft. 7 in. 24 in. 6 in. 4 in. 40° 6 ft. 7 in. 47 in. 7 in. 4 in. 60° 6 ft. 7 in. 69 in. 8 in. 4 in. 4 Collector Installation (continued) SCH A-frame dimensions SCH Collectors Installation & Operation Manual[...]

36 Installation & Operation Manual Part-number Description Needed quantities for: SCH065 SCH090 SCH110 SCH130 Parallel installation: SCA20001 Horizontal aluminum bar 10 ft 2 SCA20002 Horizontal aluminum bar 13 ft 2 SCA20003 Horizontal aluminum bar 16 ft 2 SCA20004 Horizontal aluminum bar 20 ft 2 SSK20004 End bracing kit 2 2 2 2 SSK20005 Z-hook [...]

37 5 Hydraulic Connections Figure 5-2 Expansion Kits - Stacked CONNECTION EXPANSION SET, STACKED COLLECTOR IN SERIES Description Set for hydraulic connection of two collectors stacked, in series. Ready-to-fit corrugated stainless-steel pipe with two (2) soldered elbow joints for .86" copper pipe. Center-to- center distance 9 1/4". The col[...]

38 5 Hydraulic Connections Figure 5-3 Expansion Kits - Side by Side, Parallel Figure 5-4 Expansion Kits - Side by Side, Serial Expansion kits that are side by side in series are known to have a high pressure drop. A pressure drop calculation is recommended. NOTICE If using a series connection, it is strongly recommended that a calculated pressure d[...]

39 5 Hydraulic Connections (continued) Figure 5-5 Pressure Drop Chart SCH Collectors Installation & Operation Manual MODEL NO. RECOMMENDED FLOW (GPM) PRESSURE DROP (FT OF HD) SCH065 0.656 1.06 SCH090 0.872 1.66 SCH110 1.090 2.51 SCH130 1.300 3.59 NOTICE The above chart references recommended flow per collector. Lochinvar recommends .01 GPM per [...]

40 Start-up 6 System Start-up SCH Collectors Installation & Operation Manual Check/control water chemistry Do not use petroleum-based cleaning or sealing compounds in the system. Damage to elastomer seals and gaskets in the system could occur, resulting in substantial property damage.  CAUTION Test/replace freeze protection fluid 1. For syst[...]

41 6 System Start-up (continued) SCH Collectors Installation & Operation Manual Clamp ring screw connections ■ Cut the copper pipe to length and deburr. ■ First, slide the clamp ring nut over the pipe, then clamp the ring itself. ■ Insert the prepared pipe into the screw connection until its stop is reached. ■ Tighten clamp ring nut by [...]

42 7 Maintenance  WARNING Follow the service and maintenance procedures given throughout this manual and in component literature shipped with the solar components. Failure to perform the service and maintenance could result in damage to the solar system. Failure to follow directions in the manual and component literature could result in severe p[...]

43 Typical properties of Aqueous Solutions+ (Glycol percentage by volume) 7 Maintenance (continued) Physical Property Temp. °F 30% Glycol Solution 40% Glycol Solution 50% Glycol Solution Thermal Conductivity Btu/(hr•ft 2 )(°F/ft) 40 0.247 0.225 0.204 180 0.279 0.249 0.221 325 0.268 0.238 0.210 Specific Heat, Btu/(lb•°F) 40 0.894 0.847 0.794 [...]

Revision Notes: Revision A (ECO #C06510) initial release. SCH-I-O Rev A 9/10[...]