Lochinvar SCH-I-O Joint clamp #SRM20006, Install joint clamp, Roof Attachment Installation

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.

Install joint clamp

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 and 3C on page 11.

￿CAUTION

• Not recommended for titanium-zinc sheet due to danger of cracks at low temperature.

•Do not reuse any stainless steel screws as there is a risk of breakage.

3.	Determine collector connection points (spacing).
	Measure the spacing of the rafters or trusses to confirm
	the dimensions and prepare for the system layout
	(reference the Roof Attachment Spacing Section on
	page 12).
4.	Assemble joint clamp as shown in FIG. 3-14 (be sure to

Unpacking and checking parts

When unpacking the system, check the model names of the components of each system and check to be sure you have the correct number of parts (see FIG. 3-13).

Figure 3-13Kit #SRM20006 - Joint Clamp Kit Components

JOINT CLAMP 2 (1X)

JOINT CLAMP 1 (1X)

HEX NUT (M8) (1X)

SQUARE DISK (1X)

HEX BOLT (M8) (1X)

WASHER (M8) (1X)

MUSHROOM HEAD BOLT (M10) (2X)

HEX NUT (M10) (2X)

	loosely assemble the screws on the joint clamp
	assembly).
5.	Place the joint clamp assembly at the appropriate
	location on the joint of the tin roof.
6.	Tighten the screws on the joint clamp to 26 ft./lbs.

Figure 3-14Assemble / Install Joint Clamp & Hex Bolt

	HEX BOLT	COLLECTOR
		SUBSTRUCTURE
	SQUARE DISK
ASSEMBLE JOINT CLAMP
INSTALL ON THE TIN
ROOF JOINT
JOINT

7.Slide the square disk onto the hex bolt (see FIG. 3-14).

8.Install the hex bolt with square disk attached into the opening of the joint clamp as shown in FIG. 3-14.

Note: Do not tighten hex bolt until ready to install on the collector substructure.

9.Thread the hex nut (M8) and washer (M8) onto the bottom of the hex bolt installed in Step 8.

10.Repeat Steps 4 - 9 until installation is complete.

Install hex bolt onto collector substructure (reference Section 4 - Collector Installation)

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