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Vermont Castings  •  Merrimack Large Insert Owner’s Manual_R15  •  11/18

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3-90-30004671

Introduction

Save These Instructions for Future Reference

The Merrimack Large Insert is designed, tested and 
listed for burning wood. Do not burn other fuels.

The Merrimack Large Insert is not listed for mobile 
home installations.

Failure to follow these instructions may result in 
property damage, bodily injury or even death.

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Dimensions .............................................................4

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Smoke Alarm/Safety Tip .........................................9

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Maintenance .........................................................12

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Service Parts List..................................................18

Warranty ...............................................................21

Table of Contents

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to deliver heat at a rate ranging from 10,750 to 31,780 BTU/hr.

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WARNING

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This stove has not been tested with an unvented gas 

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WARNING

This product and the fuels used to operate this product 

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California safety information

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Summary of Contents for Merrimack Large Wood Insert

Page 1: ...PLQLPXP FOHDUDQFHV WR FRPEXVWLEOHV DV VSHFL HG DLOXUH WR FRPSO PD FDXVH KRXVH UH HOT SURFACES Glass and other surfaces are hot during operation AND cool down Hot glass will cause burns WARNING Do not touch glass until it is cooled NEVER allow children to touch glass Keep children away 5 8 683 59 6 FKLOGUHQ LQ VDPH URRP DV UHSODFH Alert children and adults to hazards of high temperatures High tempe...

Page 2: ...DQG 8 6 IRU DQDGD 7KLV QVHUW LV OLVWHG WR DQG LQ FRPSOLDQFH ZLWK WKH VWDQGDUGV VHW IRUWK E WKH HGHUDO QYLURQPHQWDO 3URWHFWLRQ JHQF 5 3DUW E DV VWDWHG RQ WKH SHUPDQHQW ODEHO DWWDFKHG WR WKH VWRYH 7KLV PDQXDO GHVFULEHV WKH LQVWDOODWLRQ DQG RSHUDWLRQ RI WKLV QVHUW 7KLV KHDWHU PHHWV WKH 8 6 QYLURQPHQWDO 3URWHFWLRQ JHQF V HPLVVLRQ OLPLWV IRU ZRRG KHDWHUV VROG DIWHU 0D 8QGHU VSHFL F WHVW FRQGLWLRQV WKLV...

Page 3: ...ater needs periodic inspection and repair for SURSHU RSHUDWLRQ W LV DJDLQVW IHGHUDO UHJXODWLRQV WR RSHUDWH this wood heater in a manner inconsistent with operating instructions in this manual MODEL 0HUULPDFN DUJH QVHUW LABORATORY 201 7HVW DERUDWRULHV QF REPORT NO 6 TYPE 6ROLG XHO 5RRP HDWHU RRG Burning Type STANDARD s 8 5 8 6 ELECTRICAL RATING 9 Area Heated 6TXDUH IHHW Loading Front Chimney Connec...

Page 4: ... Large Insert Owner s Manual_R15 11 18 4 3 90 30004671 Figure 1 0HUULPDFN DUJH QVHUW GLPHQVLRQV 2956 740 mm 24 6M 629 mm 12 6QE 313 mm 26 6QE 668 mm 17556QE 449 mm 235 6QE 605 mm 7 6QE 183 mm 3156O 800 mm 25 6 645 mm Dimensions ...

Page 5: ...LUHPHQWV RI WKH OLVWLQJ DJHQF DV VSHFL HG LQ WKLV PDQXDO Chimney Height U S and Canada KLPQH KHLJKW VKRXOG EH QR OHVV WKDQ P DERYH WKH KHDUWK DQG QR PRUH WKDQ P 7KH FKLPQH VKRXOG H WHQG DW OHDVW PP DERYH WKH KLJKHVW SRLQW ZKHUH LW SDVVHV WKURXJK D URRI DQG DW OHDVW PP KLJKHU WKDQ DQ SRUWLRQ RI D EXLOGLQJ ZLWKLQ P LJXUH DO NOT CONNECT YOUR MERRIMACK LARGE INSERT TO A CHIMNEY FLUE SERVING ANOTHER AP...

Page 6: ...e wall may not heat up HQRXJK WR VXVWDLQ DQ DGHTXDWH GUDIW 6XFK D ÀXH FDQ RIWHQ EH LPSURYHG LI LW LV UHOLQHG WR UHGXFH LWV VL H DQG RU LQVXODWHG to keep it warmer SRVLWLYH ÀXH FRQQHFWLRQ PXVW EH PDGH EHWZHHQ WKH QVHUW DQG WKH UVW PDVRQU WLOH RU SUHIDEULFDWHG PHWDO FKLPQH VHFWLRQ SRVLWLYH ÀXH FRQQHFWLRQ FRQVLVWV RI D SODWH WKDW VHDOV RU UHSODFHV WKH UHSODFH GDPSHU DQG a section of chimney connector...

Page 7: ...QVWUXFWHG RYHU D FRPSOHWHO QRQ FRPEXVWLEOH VXUIDFH VXFK DV XQSDLQWHG FRQFUHWH RYHU HDUWK 7KLV QRQ FRPEXVWLEOH KHDUWK PXVW H WHQG DW OHDVW PP LQ IURQW RI WKH GRRUV DV SURWHFWLRQ IURP KHDW UDGLDWHG IURP WKH LQVHUW 7KLV PHDQV WKH QRQ FRPEXVWLEOH KHDUWK PXVW H WHQG LQ IURQW RI WKH UHSODFH IDFH RSHQLQJ in a typical installation Q DGGLWLRQ VSDUN DQG HPEHU SURWHFWLRQ LV QHHGHG PP WR HDFK VLGH RI WKH LQVH...

Page 8: ... k WX IW IW2 KU N WX LQ IW2 KU 5 IW2 KU Btu 5 7 1 k 1 0 84 1 0 29 Figure 6 RPSRQHQWV RI WKH YHQWLQJ V VWHP OH LEOH OXH LQHU Flex Liner Adapter LI UHTXLUHG GMXVWDEOH RU YHUWLFDO OXH ROODU Z QWHJUDWHG UDZ RZQ DU 7RS RI WKH QVHUW URXQG OXH 2SHQLQJ DVKHUV LD H 1XWV Q PRVW DSSOLFDWLRQV FOHDQLQJ RI WKH FKLPQH V VWHP ZLOO EH HDVLHVW IURP WKH WRS FKLPQH FDS GRZQ I WKLV LV WKH SODQQHG method for your appli...

Page 9: ... XQLW WKH DODUP FDQ EH VHW RII ZKLOH RX DUH WHQGLQJ WKH UH RU HPSW LQJ WKH DVKHV I RX LQVWDOO D detector in the same room locate it as far away from the LQVHUW DV SRVVLEOH Safety Tips RQYHQLHQWO ORFDWH D ODVV UH H WLQJXLVKHU WR FRQWHQG ZLWK VPDOO UHV H VXUH WKH UH H WLQJXLVKHU ZRUNV DQG LV FOHDUO YLVLEOH OO RFFXSDQWV RI WKH KRXVH VKRXOG NQRZ ZKHUH LW LV DQG KRZ LW RSHUDWHV DYH KHDY VWRYH JORYHV DY...

Page 10: ...consistent with operating instructions in this manual The Fans The convection fan delivers a steady stream of warm air into WKH URRP 8VH WKH IDQ VSHHG FRQWURO WR UHJXODWH WKH ÀRZ RI DLU LQWR WKH URRP WKHUPDO VZLWFK ZLOO DXWRPDWLFDOO GH DFWLYDWH WKH IDQ ZKHQ WKH VWRYH FRROV GRZQ KHQ VWDUWLQJ D UH LQ a cold stove this switch will typically energize the fan within DERXW PLQXWHV DIWHU WKH VWRYH KHDWV ...

Page 11: ...DFN DLU FRQWURO LV XVHG ZKHQ VWDUWLQJ RU UHYLYLQJ D UH DQG SURYLGHV DQ LQFUHDVHG ÀRZ RI FRPEXVWLRQ DLU WR WKH UH XQWLO WKH UHER LV VXI FLHQWO KHDWHG 7KLV DLU supply automatically resets to the desired air setting taking the guesswork out of operating the stove LJXUH VKRZV WKH DXWRPDWLF VHWEDFN FRQWURO 0RYH WKH primaryaircontrolleverallthewaytotheleft Pushtheprimary FRQWURO DERXW RQH PRUH LQFK WR W...

Page 12: ... ash level and remove excess ash A primary air KROH ORFDWHG XQGHU WKH IURQW EULFN SURYLGHV DLU WR WKH FRDO EHG LJXUH 7KLV KROH VKRXOG EH FOHDUHG RI DVK IRU SURSHU performance Starting and Maintaining a Wood Fire Burn solid wood fuel only in the Merrimack Large Insert and burn it directly on the grate Do not elevate the fuel Do not burn coal or other fuels DVW LURQ LV D VXSHULRU PDWHULDO IRU VROLG ...

Page 13: ...H IUHTXHQF RI UHORDGLQJ I SRVVLEOH VWDFN ZRRG GLDJRQDOO WR PD LPL H DLU VSDFHV EHWZHHQ UHG SLHFHV I RX KDYH DQ HPEHU EHG RI DW OHDVW PP WKH DLU VHWWLQJ PD QRW QHHG WR EH DGMXVWHG I WKH HPEHU EHG LV OHVV WKDQ PP DFWLYDWH WKH DXWRPDWLF VHWEDFN IHDWXUH 7KLV ZLOO SURYLGH H WUD DLU WR VWDUW WKH UH ÀDPLQJ DQG VHWEDFN WR WKH GHVLUHG DLU VHWWLQJ RQFH WKH VWRYH LV KHDWHG LQDOO DGMXVW WKH DLU FRQWURO DQG ID...

Page 14: ...lly to prevent etching To clean the glass use the following procedure Be sure the glass is completely cool Cleaning with water will work in most cases Use a glass cleaner especially made for this purpose only if GHSRVLWV DUH VSHFLDOO KHDY I KHDY GHSRVLWV DUH D frequent occurrence however evaluate your operating WHFKQLTXHV R QRW XVH DEUDVLYH FOHDQHUV Rinse the glass thoroughly Dry the glass complet...

Page 15: ...LFXODUO RQ WKRVH SDUWV WKDW PRYH JDVNHWV FDQ EHFRPH EULWWOH DQG FRPSUHVVHG DQG FDQ EHJLQ WR ORVH WKHLU HIIHFWLYHQHVV 7KHVH will need periodic replacement OO RI WKH JDVNHWV XVHG DUH PDGH RI EHUJODVV 7KH WKUHH VL HV RI UHSODFHDEOH JDVNHW DUH OLVWHG EHORZ DORQJ ZLWK WKHLU application Replaceable Merrimack Large Insert Fiberglass Gaskets Gasket Size QG 7KH 3DUWV W 6HDOV RRU WR WKH IURQW LUHER SDUWV OD...

Page 16: ...r maintenance schedule 7R LQVSHFW WKH FKLPQH OHW WKH 0HUULPDFN DUJH QVHUW FRRO completely Then using a strong light sight up through the ÀXH FROODU LQWR WKH FKLPQH ÀXH 7KH EHU EDIÀH ZLOO QHHG WR EH UHPRYHG JHQWO WR YLHZ LQVLGH WKH FRQQHFWRU SLSH I LW LV QHFHVVDU WR UHPRYH WKH UHFKDPEHU WR LQVSHFW RU clean the chimney this is how to do it HW WKH 0HUULPDFN DUJH QVHUW FRRO Disconnect the fan power co...

Page 17: ...HFW WKH FKLPQH DQG ÀXH FRQQHFWLRQ OHDQ WKH system if necessary Yearly Spring Cleaning LVDVVHPEOH WKH ÀXH FRQQHFWLRQ DQG WDNH LW RXWGRRUV for inspection and cleaning Replace weak sections of connector QVSHFW WKH FKLPQH IRU VLJQV RI GHWHULRUDWLRQ 5HSDLUV WR D PDVRQU FKLPQH VKRXOG EH PDGH E D professional mason Replace damaged sections of SUHIDEULFDWHG FKLPQH RXU ORFDO 9HUPRQW DVWLQJV dealer or a chi...

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