W415-2197 / A / 09.14.172ENtable of contentsNOTE: Changes, other than editorial, are denoted by a vertical line in the margin.1.0 installation overview 31.1 using combustible material 32.0 introduction 42.1 dimensions 52.2 general instructions 62.3 general information 72.4 rating plate information 83.0 venting 93.1 venting lengths and components 93.2 typical vent installations 103.3 special vent installations 113.3.1 periscope termination 113.3.2 corner termination 113.4 vent terminal clearances 123.5 vent application flow chart 133.6 definitions 133.7 elbow vent lengths 133.8 horizontal termination 143.9 vertical termination 163.10 co-axial to co-linear venting 184.0 installation 194.1 wall and ceiling protection 194.1.1 horizontal installation 204.1.2 vertical installation 204.2 using flexible vent components 214.2.1 horizontal air terminal installation 214.2.2 vertical air terminal Installation 224.3 using rigid vent components 234.3.1 horizontal air terminal installation 234.3.2 extended horizontal air terminalinstallation 234.3.3 vertical venting installation 244.4 mobile home 254.5 access panel for gas line connection 254.6 gas Installation 265.0 framing 275.1 minimum clearance to combustibles 295.2 minimum clearance to combustibleenclosures 305.3 installing non-combustible board 315.4 non-combustible facing material 325.5 alcove installation 325.6 minimum mantel clearances 335.7 non-combustible facing material 336.0 finishing 346.1 safety screen removal / installation 346.2 glass door removal / installation 356.3 log placement 366.4 glowing ember placement 386.5 charcoal embers 386.6 optional vermiculite 386.7 lava rock 386.8 optional charcoal Lumps (standard onHD46-2) 386.9 logo placement 387.0 optional blower installation 397.1 accessing the blower 397.2 installing the blower 408.0 wiring diagram / electrical information 418.1 wiring requirements 418.2 optional accessories requirements 418.3 junction box installation 428.4 wiring diagram 428.4.1 wiring requirements 429.0 operation 4410.0 adjustment 4510.1 pressure adjustment 4510.2 venturi adjustment 4510.3 flame characteristics 4611.0 maintenance 4611.1 annual maintenance 4711.2 door glass replacement 4811.3 care of glass 4811.4 care of plated parts 4812.0 replacement parts 4912.1 HD35-2 overview 5012.2 HD35-2 valve train assembly 5112.3 HD40-2 overview 5212.4 HD40-2 valve train assembly 5312.5 HD46-2 overview 5412.6 HD46-2 valve train assembly 5513.0 HD35-2 accessories 5614.0 HD40-2 accessories 5815.0 HD46-2 accessories 6016.0 troubleshooting 6217.0 warranty 6418.0 service history 65