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Wiring

Label All wires prior to disconnection when serving controls. Wiring errors can cause improper and 

dangerous operation. Verify proper operation after serving.

The Gas Log (Millivolt) thermopile is 

self

-

powered gas valve and does not require 110 volts. 

See Wiring 

Diagram

 to provide optional wall switch, thermostat, or remote control. Maximum length of 20 feet of 16 

AWG to conductor wires is to be used with all option

al

 switches.

Thermostats are not approved on vented decorative appliances.

Check System Operation

Millivolt system and all individual components may be checked with a millivolt meter 0 - 1000 

m

V range.

Remote Receiver

Use the following steps to place remote receiver adjacent the gas valve.
Attention:

1. The remote receiver can not be placed behind the gas valve and burner assembly.

2. Position the remote receiver to either side of the gas valve and burner assembly.

CAUTION: 

 Do not let remote control receiver come in contact with burner assembly.

Refer to the remote control installation and operating instructions for more details on remote control.

Millivolt

 

Control System

When

 the 

pilot  is

  ignite

d

,  the  thermopile  produces  millivolts  (low  electrical  current)  which  energizes 

the magnet in the gas valve. After 30 seconds to 1 minute period release control knob and the pilot will 

stay ON.  Allow  pilot  flame  to  operate  an  additional 

1

  to 

2

  minutes  before  turn

ing

  gas  control  knob 

from  PILOT position to ON position. This time period allows the millivolts (low electrical current) to 

buildup to a sufficient level allowing the gas control to operate properly.

2

1

Vent-Free Gas Log Heater User Manual 

Optional Wall Switch or 

Remote Receiver

Red

Red

Black

Switch

Black

Red

If any of the original wire as supplied with this 

unit must be replaced, it must be 

replaced 

with number 18, 150°C wire or its equivalent.

WIRING DIAGRAM

Black

Black

Red

Summary of Contents for HVF2R18N-2

Page 1: ...nstallationandservicemustbeperformedbyaqualifiedinstaller serviceagency orthegassupplier WARNING If the information in this manual is not followed exactly a fire or explosion may result causing proper...

Page 2: ...e 25 Troubleshooting Guide 27 Parts List 30 Limited Warranty 31 Read this entire manual and all operating instructions before operating this heater WARNING IMPORTANT Read all instructions and warnings...

Page 3: ...flammable material on or near the heater Never place any objects in the heater Installation and repair should be done by a qualified service person The heater should be inspected before use and at le...

Page 4: ...tion Sensing ODS safety shutoff system The ODS shuts down the heater if not enough fresh air is available See AIR FOR COMBUSTION AND VENTILATION page 7 If the heater keeps shutting off see the TROUBLE...

Page 5: ...remote heat controls have thermostat settings that automatically cycles the burner on and off to maintain a desired set room temperature When used as a vented decorative appliance use of the thermosta...

Page 6: ...t free heaters State of Massachusetts The installation must be made by a licensed plumber or gas fitter in the Commonwealth of Massachusetts Sellers of unvented propane or natural gas fired supplement...

Page 7: ...per 1 000 BTU hr 4 8 m3 per kW of the total input rating of all appliances installed in that space An unconfined space has a volume not less than 50 cu ft per 1 000 BTU hr 4 8 m3 per kW of the total...

Page 8: ...ater ________BTU hr Example Gas heater logs __________BTU hr Gas water heater 30 000 BTU hr Other gas appliances ____BTU hr Vent free heater 26 000 BTU hr Total ____BTU hr Total 56 000 BTU hr Do not i...

Page 9: ...n 12 of the floor They must connect directly to the outdoors or spaces that open to the outdoors Such spaces may include attics or crawl spaces Follow the National Fuel Gas Code NFPA 54 ANS Z223 1 for...

Page 10: ...ing or UL 127 factory built fireplace or in a listed ventless firebox enclosure It has been design certified for these installations Exception DO NOT install this appliance in a factory built fireplac...

Page 11: ...talled on a metal or wood panel that extends the heater s full width and depth Minimum Clearances for Side Combustible Material Side Wall and Ceiling A Clearances from the side of the heater cabinet t...

Page 12: ...ibited operate manually only Minimum Noncombustible Material Clearance If Using a Mantel You must have noncombustible material s such as slate tile or marble at least 1 2 thick If using sheet metal no...

Page 13: ...nd mantels above the firebox may become too hot to touch If installed properly these temperatures meet the requirement of the national product standard Follow all minimum clearances shown in this manu...

Page 14: ...evel Combustible Material Hearth 5 in Min Fig 8 Minimum Fireplace Clearances above Combustible Flooring Log Set Size 18 24 Chimney Height ft Minimum Opening sq in 6 25 7 33 8 8 23 7 31 2 10 21 7 28 7...

Page 15: ...assembly by the burners This could damage heater Only handle the base assembly by its frame 2 Remove all protective packaging used on the logs and heater 3 Inspect the items for shipping damage If you...

Page 16: ...or for natural gas CAUTION Never connect the heater to private non utility gas wells commonly known as wellhead gas WARNING Equipment Shutoff Valve With 1 8 NPT Tap Approved Flexible GasLine or1 2 Bla...

Page 17: ...as Line 24 Min or 1 2 Black Pipe 90 Deg 3 8 NPT x 3 8 Flare Fitting or 3 8 Street Elbow Sealant Resistant to natural or propane gas Shutoff Valve 1 Depending on where your gas supply line is located a...

Page 18: ...the equipment shutoff valve see Fig 15 1 15 2 4 Use a mixture of liquid soap and water in the gas joints to check for leaks bubbles may indicate a leak 5 Immediately correct all leaks Pressure Testin...

Page 19: ...clean out doors to protect the unit from down drafts MOUNTING PROCEDURE Place the grate burner assembly into the firebox Using the log set as a guide drill four 4 5 32 diameter holes approximately 1 d...

Page 20: ...sary soot CAUTION Install the logs exactly as indicated see Fig 17 20 Do not modify the logs and use only logs supplied with the heater The logs are numbered and correspond to the numbers listed below...

Page 21: ...eiver to either side of the gas valve and burner assembly CAUTION Do not let remote control receiver come in contact with burner assembly Refer to the remote control installation and operating instruc...

Page 22: ...switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire depar...

Page 23: ...epressed for 30 seconds after the pilot lights Then release the control knob If the control knob does not pop up when released stop and immediately call a qualified service technician or gas supplier...

Page 24: ...r will shut down If pilot flame pattern is incorrect as shown in Figure 23 Turn the heater off see TO TURN OFF GAS TO THE HEATER page 22 See the TROUBLESHOOTING GUIDE page 26 Fig 22 Correct Pilot Flam...

Page 25: ...VENTION STEPS IMPORTANT NOTICE INSTALLER SERVICE PERSON HOMEOWNER CREATED IF THE FOLLOWING DIRECTIONS ARE NOT FOLLOWED BE SOOT MAY Do burner not allow fans to blow directly into the heater Avoid any d...

Page 26: ...compressed air blowing through a drinking straw will also work LOG SET page 20 for placement instructions Replace the log set if it is broken or chipped Primary Air Inlet Slot Fig 26 Primary Air Inlet...

Page 27: ...l knob not in PILOT position 7 Depleted gas supply propane 1 Turn on the gas supply or the open equipment shutoff valve 2 Fully press in the control knob while pressing the ignitor button 3 Continue h...

Page 28: ...yed ignition of the burner s 1 Manifold pressure is too low 2 Burner orifice is clogged 1 Contact your gas supplier 2 Clean burner see CARE AND MAINTENANCE pages 25 26 or contact customer service The...

Page 29: ...page 18 2 Contact customer service Moisture condensation ispresentonwindows 1 Not enough combustion ventilation air is provided 1 Refer to AIR FOR COMBUSTION AND VENTILATION requirements pages 7 9 Th...

Page 30: ...30 Vent Free Gas Log Heater User Manual For replacement parts contact HearthRite at 800 851 3153 PartsList...

Page 31: ...ar and tear or parts that fail or become damaged as a result of misuse accidents lack of proper maintenance or defects caused by improper installation Some states do not allow limitation on how long a...

Page 32: ...A Division of Empire Comfort Systems Inc 918 Freeburg Avenue Belleville IL 62220 Phone 618 233 7420 or 1 800 851 3153 Fax 618 233 7097 or 1 800 433 8648 www hearthrite com...

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