Insulation Specifications

HVAC Administrator Guide

Insulation Specifications

Insulation Specifications

Insulation is applied at Branch level by setting of the ISPEC attribute. There is currently one insulation specification, named /CADCHVACISPEC, available in the HVAC application. However, if a User Defined Insulation specification is required it will be necessary for the HVAC Administrator to create a similar specification in a CATA database:

new spec /MyISpec copy /CADCHVACISPEC rename /CADCHVACISPEC /MyISpec

The SPWL will have a PURP HVAC and the SPEC will have a PURP INSU

The SPEC will have the MATREF set to a material in the properties database that has a valid material density.

The database structure for the insulation is as follows:


SPWL Purp HVAC
	SPEC Purp INSU Question TYPE Matref /MyInsulationMaterial
		SELE QUES TEMP TANS 'INSU' TDEF 'NONE'
			SELE DESC '1"' ANSW 24 MAXA 26 QUES PBOR TDEF 'NONE'
				SPCO /MyISpec/INSU25 MAXA 10000 CATREF /INSU25
			SELE DESC '1.1/4" - For when in imperial units ANSW 29 -- for 30mm insulation MAXA 31 QUES PBOR TDEF 'NONE'
				SPCO /MyISpec/INSU30 MAXA 10000 CATREF /INSU30 Etc…

The CATREF element also must exist and can be defined by the administrator:

By creating these Cats&Specs elements this means that:

•

Insulation Spec and thicknesses will appear on the Create Branch form

•

Insulation weight will be used in weight calculations

•

Insulation can be shown graphically by using IPARAM[1] in the catalogue geometry. (Actually IPARAM[2] could also be used if required for 2 level insulation but the standard catalogue has not included this in its geometry).

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