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203000245

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VS38 Direct Vent Gas Stove

NOTE REGARDING VENTED PRODUCTS

This product must be installed by a licensed plumber or gas fitter 
when installed within the Commonwealth of Massachusetts.
Any  residence  with  a  direct  vent  product  must  have  a  CO 
detector installed in the residence.
Installation  of  the  fireplace  or  vented  gas  log  in  the  State  of 
Massachusetts requires the damper to be permanently removed 
or welded in the fully open position.
In addition, a naturally vented gas log may not be installed in a 
bedroom or bathroom in the State of Massachusetts.
Flex line installation must not exceed 36 inches and must have 
a T shutoff valve. 

NOTE REGARDING VENT FREE PRODUCTS

This product must be installed by a licensed plumber or gas fitter 
when installed within the Commonwealth of Massachusetts.
In  addition,  vent  free  products  may  not  be  installed  in  a 
bedroom or bathroom regardless of size or type in the State of 
Massachusetts.
Flex line installation must not exceed 36 inches and must have 
a T shutoff valve.

CARBON MONOxIDE DETECTOR REqUIREMENTS

(2) Revise  10.8.3  by  adding  the  following  additional 
requirements:
(a)  

For  all  side  wall  horizontally  vented  gas  fueled 

equipment installed in every dwelling, building or structure used 
in  whole  or  in  part  for  residential  purposes,  including  those 
owned or operated by the Commonwealth and where the side 
wall exhaust vent termination is less than seven (7) feet above 
finished  grade  in  the  area  of  the  venting,  including  but  not 
limited to decks and porches, the following requirements shall 
be satisfied:
1. 

Installation  of  carbon  monoxide  detectors. 

At  the  time 

of  installation  of  the  side  wall  horizontal  vented  gas  fueled 
equipment,  the  installing  plumber  or  gas  fitter  shall  observe 
that a hard wired carbon monoxide detector with an alarm and 
battery  back-up  is  installed  on  the  floor  level  where  the  gas 
equipment is to be installed. In addition, the installing plumber 
or gas fitter shall observe that a battery operated or hard wired 
carbon  monoxide  detector  with  an  alarm  is  installed  on  each 
additional level of the dwelling, building or structure served by 
the side wall horizontal vented gas fueled equipment. It shall be 
the responsibility of the property owner to secure the services of 
qualified licensed professionals for the installation of hard wired 
carbon monoxide detectors
 

a.  In the event that the side wall horizontally vented gas 

fueled equipment is installed in a crawl space or an attic, the 
hard  wired  carbon  monoxide  detector  with  alarm  and  battery 
back-up may be installed on the next adjacent floor level.
 

b.  In the event that the requirements of this subdivision 

can  not  be  met  at  the  time  of  completion  of  installation,  the 
owner shall have a period of thirty (30) days to comply with the 
above requirements; provided, however, that during said thirty 
(30) day period, a battery operated carbon monoxide detector 
with an alarm shall be installed.

Massachusetts Residents Only — Please read and follow these special requirements

2. 

Approved  Carbon  Monoxide  Detectors.

 

Each  carbon 

monoxide  detector  as  required  in  accordance  with  the  above 
provisions shall comply with NFPA 720 and be ANSI/UL 2034 
listed and IAS certified.
3. 

Signage.

  A  metal  or  plastic  identification  plate  shall  be 

permanently  mounted  to  the  exterior  of  the  building  at  a 
minimum height of eight (8) feet above grade directly in line with 
the exhaust vent terminal for the horizontally vented gas fueled 
heating appliance or equipment. The sign shall read, in print size 
no less than one-half (1/2) inch in size, “GAS VENT DIRECTLY 
BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS.”
4. 

Inspection.

 The state or local gas inspector of the side wall 

horizontally vented gas fueled equipment shall not approve the 
installation  unless,  upon  inspection,  the  inspector  observes 
carbon monoxide detectors and signage installed in accordance 
with the provisions of 248 CMR 5.08(2)(a)1 through 4.
(b) 

Exemptions:

 The following equipment is exempt from 248 

CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled "Equipment Not 
Required To Be Vented" in the most current edition of NFPA 54 
as adopted by the Board; and
2.  Product Approved  side  wall  horizontally  vented  gas  fueled 
equipment  installed  in  a  room  or  structure  separate  from  the 
dwelling,  building  or  structure  used  in  whole  or  in  part  for 
residential purposes.
(c)  

Manufacturer  requirements  —  Gas  Equipment  Venting 

System  Provided.

 

When  the  manufacturer  of  Product 

Approved side wall horizontally vented gas equipment provides 
a  venting  system  design  or  venting  system  components  with 
the  equipment,  the  instructions  provided  by  the  manufacturer 
for installation of the equipment and the venting system shall 
include:
1. Detailed instructions for the installation of the venting system 
design or the venting system components; and
2. A complete parts list for the venting system design or venting 
system.
(d) 

Manufacturer requirements — Gas Equipment Venting 

System  Not  Provided. 

When  the  manufacturer  of  a  Product 

Approved  side  wall  horizontally  vented  gas  fueled  equipment 
does  not  provide  the  parts  for  venting  the  flue  gases,  but 
identifies “special venting systems,” the following requirements 
shall be satisfied by the manufacturer:
1.  The  referenced  "special  venting  system"  instructions  shall 
be  included  with  the  appliance  or  equipment  installation 
instructions; and
2. The “special venting systems” shall be Product Approved by 
the Board, and the instructions for that system shall include a 
parts list and detailed installation instructions.
(e)  

A  copy  of  all  installation  instructions  for  all  Product 

Approved side wall horizontally vented gas fueled equipment, 
all  venting  instructions,  all  parts  lists  for  venting  instructions, 
and/or all venting design

Summary of Contents for Discovery VS38

Page 1: ...not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instruction...

Page 2: ...trical Wiring 23 Remote Wall Switch 23 Log Placement 24 PLEASE READ THE INSTALLATION OPERATING INSTRUCTIONS BEFORE USING THIS APPLIANCE Thank you and congratulations on your purchase of a Vermont Cast...

Page 3: ...instructions for future reference IMPORTANT SAFETY INFORMATION This stove is a vented product This stove must be properly installed by a qualified service person The glass door must be properly seate...

Page 4: ...idth and depth of the appliance 18 Do not use stove if any part has been exposed to or under water Immediately call a qualified service person to arrange for replacement of the unit 19 Do not operate...

Page 5: ...see Clearances Page 8 ON O FF PILO T HE AT OF F FA N ST1099 SS38 controls Off Pilot On Knob Optional Remote Receiver Door Figure 1 VS38 Stove Controls Hi Lo Knob On Off RS Switch Blower ST1099 INSTAL...

Page 6: ...this unit is installed in a mobile home it must be bolted securely to the floor with leg bolts NOTE Discovery VS38 model stove works without any electrical supply Figure 2 Stove Dimensions 2656O 673 m...

Page 7: ...ce on a metal or wood panel extending the full width and depth of the appliance Check stove and flue system clearance requirements Locate the stove where it can be accessed by a gas supply line For op...

Page 8: ...ter Left and right clearances are determined when facing the front of the heater Follow these instructions carefully to ensure safe installation Failure to follow instructions exactly can create a fir...

Page 9: ...tem require a minimum of 1 clearance to combustible materials on all sides of the pipe Only a 1 clearance is required where the vent passes through the nearest vertical wall INSTALLATION PLANNING Ther...

Page 10: ...s required for such venting WARNING Treatment of firestops and construction of the chase may vary from building type to building type These instructions are not substitutes for the requirements of loc...

Page 11: ...er regulator assy I Clearance to service regulator vent outlet 3 91 cm 3 91 cm J Clearance to nonmechanical air supply inlet 6 15 cm for appliances 10 000 6 15 cm for appliances to building or the com...

Page 12: ...C Maximum depth of 48 1219mm for alcove location D Minimum width for back wall of alcove location Combustible 38 965mm Noncombustible 24 610mm E Clearance from corner in alcove location Combustible 6...

Page 13: ...he appliance adaptor with pipe seams oriented towards the wall or floor Twist lock Procedure The female ends of the pipes and fittings have three locking lugs indentations These lugs will slide straig...

Page 14: ...andoffs between vent cap and exterior wall The vinyl siding standoff prevents excessive heat from melting the vinyl siding material Bolt the vent cap to the standoff Apply non hardening mastic around...

Page 15: ...NSTALLATION Table 1 Horizontal Venting Vertical V Minimum Horizontal H Maximum 5 30 6 8 8 20 NOTE This configuration is for use with corner installation also Figure 15 Horizontal Termination Configura...

Page 16: ...in desired location Drop a plumb line down from the ceiling to the position of the burner system exit flue Mark the center point where the vent will penetrate the ceiling Drill a small locating hole a...

Page 17: ...the base of the flashing to the roof and framing with roofing nails Be sure roofing material overlaps the top edge of the flashing as shown in Figure 18 page 17 There must be a 1 clearance from the ve...

Page 18: ...to 4 collar of stove or first vent secton as shown VENTING INSTALLATION Figure 21 Cathedral Ceiling Support Box Installation ST1108 cat clg support box Level Cathedral Ceiling Support Box 2 Minimum Be...

Page 19: ...orizontal H H1 Minimum Maximum 8 2 9 4 10 6 11 8 23 8 H V1 V V ST1112 vert vent Table 7 Vertical Venting with Two 2 90 Elbows Vertical V V1 Horizontal H H1 Minimum Maximum 8 2 9 12 10 18 11 20 NOTE In...

Page 20: ...gas line with gas connector if allowed by local codes not provided A CSA design certified equipment shutoff valve with 1 8 NPT tap is an acceptable alternative to test gauge connection Purchase the CS...

Page 21: ...o the stove Check your building codes for any special requirements for locating equipment shutoff valve to stoves Apply pipe joint sealant lightly to male threads This will prevent excess sealant from...

Page 22: ...nob to LO to get minimum pressure 5 To check gas pressures at valve turn captured screw counter clockwise 2 or 3 turns and then place tubing to pressure gauge over test point Turn unit to high Figure...

Page 23: ...I NFPA 70 latest edition and Canadian Electrical Code CSA C22 1 CAUTION Label all wires before disconnecting when servicing controls Wiring errors can cause improper and dangerous operation Verify pro...

Page 24: ...Install Left Base Log Left Base Log FINAL INSTALLATION WARNING The positioning of the logs is critical to the safe and clean operation of this heater Sooting and other problems may result if the logs...

Page 25: ...e 34 Figure 35 Install Top Left Log Top Left Log LG738 VS38 top left log LG738 6 Place top left log on left base log Line up the hole in the bottom of the top log with the locating pins on the bottom...

Page 26: ...gs and Rock Wool Rock Wool Figure 38 Install Rock Wool Top Center Log Embers Pins FINAL INSTALLATION 8 Place top center log on top left log pins sand angle to burner Figure 37 LG740 9 Break up rock wo...

Page 27: ...ed service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part of it has been under water Immediately call a qualified service technician to...

Page 28: ...the magnet is closed it is possible to start the lighting operation The gas control knob is designed to be operated by hand DO NOT use any tools during this operation Damaged knobs may result in seri...

Page 29: ...This switch allows you to turn on and to turn off the main burner without using the gas valve knob Make sure the button is in the ON position to light the main burner Figure 40 Lighting the burner Dep...

Page 30: ...for typical burner flame Refer to Figure 45 for typical pilot flame FIREBOX CLEANING 1 Carefully remove log set and embers from combustion chamber 2 Vacuum burner compartment thoroughly 3 Vacuum any...

Page 31: ...adjusted for high altitude as follows To increase air mixture push up the adjustment rod located beneath the stove This opens the shutter more and will stop or minimize sooting Figure 46 To decrease a...

Page 32: ...glass style frame slide new glass into the 45 aluminum post not shown 7 Fasten retaining brackets back into place with 5 16 nuts 8 Replace 7 8 rope Make sure the joint is at the bottom and there is no...

Page 33: ...33 203000245 VS38 Direct Vent Gas Stove blower Blower wiring diagram for Blower ST1118 blower White Hi Temp ST1119 VS38 wiring diagram...

Page 34: ...k for spark arcing from the electrode to pilot Adjust by loosen ing screws on pilot base Adjust and retighten 4 Replace with new wire 1 A Check for proper connection of thermocouple to rear of valve B...

Page 35: ...35 203000245 VS38 Direct Vent Gas Stove replacement parts 1 4 17 9 14 13 6 15 16 19 7 10 5 11 12 2 21 24 22 3 18 AA Battery 25 23 20 8 2030245 VS38 parts...

Page 36: ...F 1 43D0094 43D0094 43D0094 43D0094 15 Ignitor Battery Module 1 45D0077 45D0077 45D0077 45D0077 16 Ignitor Wire Harness 1 44D0500 44D0500 44D0500 44D0500 17 ON OFF Wire Harness 1 45D0565 45D0565 45D05...

Page 37: ...x 6 Pipe 908B 7 Adjustable 11 14B Pipe 911B Wall Thimble 940 Cathedral Ceiling Support Box 941 Roof Flashing 0 12 6 12 943 Roof Flashing 7 12 12 12 943S 7 x 45 Elbow 945B Vinyl Siding Standoff 950 Sto...

Page 38: ...y with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed Massachusetts Residents Only Please re...

Page 39: ...e or neglect installation damage damage from unauthorized service incidental or consequential damage or negative pressure caused by mechanical systems such as furnaces fans clothes dryers etc Terms Th...

Page 40: ...MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com...

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