Majestic 18NB Installation And Operating Instructions Manual Download Page 44

Page: 44 / 52

18NB/24NB Gas Log Set

81D0108

REPLACEMENT PARTS

810108

NBSC parts

NB Signature Command Models

(NBSC, NBSCR)

BURNER ASSEMBLY

18NBSC

18NBSCR

24NBSC

24NBSCR

Ref. Description

Qty.

Nat.

Nat

Nat.

1. Burner

1 20303243 20303247 20303243 20303247 20303180 20303187 20303180 20303187

2. Control Valve

1 20303257 20303258 20303257 20303258 20303257 20303258 20303257 20303258

3. Valve Cover

1 20302870 20302870 20302870 20302870 20302870 20302870 20302870 20302870

4. ODS Pilot Assy

14D0473 14D0477 14D0473 14D0477 14D0473 14D0477 14D0473 14D0477

5. Pilot Regulator

14D0469

6. Sparker Wire

00K0632 00K0632 00K0632 00K0632 00K0632 00K0632 00K0632 00K0632

7. Thermocouple Module

1 20303179 20303179 20303179 20303179 20303179 20303179 20303179 20303179

8. Command Center SCS

80D0005 80D0005 80D0005 80D0005 80D0005 80D0005 80D0005 80D0005

9. Control Board SCS

80D0018 80D0019 80D0018 80D0019 80D0018 80D0019 80D0018 80D0019

10. Remote Control

TSTSC

11. Wire, Valve/Control Board SCS 1

80D0010 80D0010 80D0010 80D0010 80D0010 80D0010 80D0010 80D0010

12. Wire, cc/cb 24”

1 20301889 20301889 20301889 20301889 20301889 20301889 20301889 20301889

w/power leads SCS

13. Wire, Thermocouple Module SCS 1 20301890 20301890 20301890 20301890 20301890 20301890 20301890 20301890

Summary of Contents for 18NB

Page 1: ...diately 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 department Installation and service must be performed by a qualified installer service agency or the gas supplier Unvented Gas Log Heater or Vented Decora tive Appliance Models 18NB 24NB 18NBSC 24NBSC 18NBSCR 24NBSCR Installation and Operating Instructio...

Page 2: ... Lighting Instructions 25 To Turn Off Gas to Heater 25 Match Lighting Instructions 26 Check Gas Pressure Electrical Installation SCS27 Command Center Wall Installation 27 Wall Switch Installation 27 Wiring Diagram SCS 28 Operating Instructions Signature Command 29 For Your Safety Read Before Lighting 29 Operating Instructions 30 To Turn Off Gas to Appliance 30 Signature Command System Operation In...

Page 3: ...d local codes may only allow operation of this appliance in a vented configuration Check your state or local codes For vented operation see Vented Instructions in this manual 11 Do not install the heaters in a bathroom or bedroom 12 Correct installation of the logs proper location of the heater and annual cleaning are necessary to avoid potential problems with sooting Sooting resulting from improp...

Page 4: ...ts equipment shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psig 3 5 kPa 24 Do not use this room heater if any part has been under water Immediately call a qualified service technician to inspect the room heater and to replace any part of the control system and any gas control which has been under water 25 This appliance must n...

Page 5: ...e PRODUCT FEATURES Gloves are recommended when handling ceramic fiber logs to prevent skin irritation from loose fibers Logs are fragile handle with care CAUTION Natural Gas NOTE An external regulator is required to reduce supply pressure to a maximum of 10Z x w c on natural gas sys tems operating at higher pressure Propane LPG Note An external regulator is required to reduce supply pressure to a ...

Page 6: ...ction x Fireplace Firebox No Restriction 13 0 to 1Z x 16 Greater than 1Z x to 3 16 Greater than 3 Any barrier greater than 3 placed in front of the gas log set is not recommended by the manufacturer NOTE Non combustible material such as refractory brick may be used to line the floor of the fireplace in order to raise the height of the gas log set in relation to a restrictive barrier If the unit is...

Page 7: ...replace with no wooden mantel shelf or other combustible projection above the fireplace opening measure the heat resistant material height according to Figure 4 and TABLE A Heat resistant materials such as slate and marble must be at least 1 2 thick Sheet metal should not be installed onto combustible material IMPORTANT If you cannot meet these minimum clear ances you must operate the heater with ...

Page 8: ...er Combustible Projection Material Measurement 18NB 24NB 12 or more Hood not required Observe profiles Hood not required Observe profile side side elevations shown in Figure 6 elevations shown on Figure 8 8 or less than 12 Install hood and observe profiles Install hood and observe profiles shown in shown in Figure 7 OR Figure 7 OR extend heat resistant material extend heat resistant material to to...

Page 9: ...Heat Resistant Material Heater in Fireplace or Firebox Hood FP2257 Figure 9 Minimum Mantel Clearance with Hood 24NB Example of Unsafe Installation Figure 8 Minimum Mantel Clearance with No Hood 24NB Example The bottom of the mantel may project from the wall a maximum of 10 at a minimum of 28 above the opening Figure 9 is an example of an unsafe mantel installation This mantel projects 4 at 8 above...

Page 10: ...r if a minimum of 14 of noncombustible material such as slate or marble is installed between the base of the fireplace and the combus tible flooring Figure 11 Figure 10 Minimum Clearance above Combustible Flooring FP2261 Min comb floor clear Heater in Fireplace or Firebox Combustible Material 1C Minimum FP2261 Figure 11 Minimum Clearance above Combustible Flooring with Noncombustible Material Inst...

Page 11: ...air vents or ash clean out doors located on floor or wall of fireplace If not drafting may cause pilot outage or sooting Use a heat resis tant sealant WARNING Before installing in a solid fuel burning fireplace The chimney flue and firebox must be cleaned of soot creosote ashes and loose paint by a qualified chimney cleaner WARNING This appliance is for installation only in a solid fuel burning fi...

Page 12: ...ireplace floor to allow access to gas log controls This will insure adequate air flow and guard against sooting Raise the fireplace floor using noncombustible materials as described in Placement in a Fireplace with Restrictive Barrier on Page 6 Assembly procedure 1 Center the gas log unit on the fireplace or firebox Make certain the front of the burner sits inside the front edge of the fireplace o...

Page 13: ...tions that the Pressure Tapping Point May Be Installed FP2265 WARNING CHECK GAS TYPE The gas supply must be the same as stated on the heater s rat ing plate If the gas supply is different DO NOT INSTALL THE HEATER Contact your dealer for the correct model Connecting directly to an unregulated pro pane LPG tank can cause an explosion WARNING The heater gas inlet connection is a 3 8 NPT at the valve...

Page 14: ...o TP TH and one wire to TH or connect the wall switch thermostat to the two male 0 25 terminals on the left side of the unit The color of the wires does not matter Figure 16 Wiring Diagram NOTE Log switch wires are not factory connected Connect log switch wires to the TH TP and TH valve terminals as shown Log Switch On Off Switch or Optional Wall Switch Remote or T Stat ODS Pilot Millivolt Valve T...

Page 15: ...ontacts CLOSED Control Knob ON Main burner should turn ON a If the reading is more than 175 millivolts and the automatic valve still does not come on replace the control b If the closed circuit reading A reading is less than 175 millivolts determine cause for low reading pro ceed to Section B below B Thermopile Output Reading Check B Reading Thermostat contacts OPEN Main burner OFF 1 Check gas pre...

Page 16: ... damage or personal injury Before you begin This unit is supplied with seven 7 ceramic fiber logs Do not handle these logs with your bare hands Always wear gloves to prevent skin irritation from ceramic fibers After handling the logs wash your hands gently with soap and water to remove any traces of fibers FP2270 install grate A Cast Iron Grate I Slot Key Hole Slot Figure 18 Install Cast Iron Grat...

Page 17: ...20 LG620 place log 1 Ember Chunk Log 1 LG620 Figure 21 Right Front Log 2 LG621 3 Place right rear log 3 on pin located on rear support bracket and rest left side of log on front right log Figure 22 After Rock Wool placement Before installing logs place rockwool in dime size pieces evenly over small burner ports starting in the rear of the burner going towards the front Avoid placing rock wool on s...

Page 18: ...ht rear log ensure log is fully upright and does not tilt forward Slide 1 log ember chunk back to contact right rear log 4 Place left rear log 4 on pin located on rear support bracket on left side and left grate bar Figure 23 Figure 22 Right Rear Log 3 5 Place left front log 5 on left pin located on burner and left grate bar Rest top right portion of log on right front log Figure 24 ...

Page 19: ...Place flickering bright embers FBE 1G after placing logs on burner Pull apart into small strands and place on top of existing rock wool in front of and between front logs where they can be seen Try to avoid stack ing these embers on top of each other Use smaller and stringier strands for maximum effect Use as much as needed until desired effect is achieved Figure 26 Right Top Log 7 Right Front Top...

Page 20: ...hunk Log 2 Notch on both ends LG1075 Figure 29 2 Place the ember chunk 2 with notch on both ends on the grate bar right side of the burner adjacent to the controls Push towards rear as far as possible Figure 29 3 Place the ember chunk 3 with notch on one end on the grate bar left side of the burner with notch towards rear Push towards rear as far as possible Figure 29 LG1076 Maj 24STR log 4 Front ...

Page 21: ... SC24R log 7 Mid Rear Log 7 LG1078 Figure 32 7 Place mid rear log 7 on bottom rear log 1 and mid right log 6 by placing notch on bottom of log onto locating block on log 1 Right side of log will rest on log 6 Figure 32 LG1079 Center Log 9 Mid Left Log 8 LG1079 8 Place mid left log 8 on mid rear log 7 and front bottom log 5 by placing notches on bottom of log onto locating blocks on log 7 and log 5...

Page 22: ...om of log onto locating block on log 8 Rest bottom end of log onto grate bar Figure 34 LG1081 Maj SC24R log 12 Log 12 2430STEK Enhancement Kit LG1081 Figure 35 12 Place log 12 onto mid left log 8 and mid rear log 7 by placing notch on bottom of log onto locating block on log 8 Rest right end of log onto top of log 7 Figure 35 LG1082 Maj SC24R log 13 Log 13 2430STEK Enhancement Kit LG1083 Figure 36...

Page 23: ...ll result During manufacturing fabricating and shipping various components of this appliance are treated with certain oils films or bonding agents These chemicals are not harm ful but may produce annoying smoke and smells as they are burned off during the initial operation of the appliance possibly causing headaches or eye or lung irritation This is a normal and temporary occurrence The initial br...

Page 24: ...e fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it Call a qualified 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 inspect the appliance a...

Page 25: ...30 seconds or longer to allow air to bleed out of the gas piping 7 With the control knob pushed in push in and release the piezo ignitor button to light the pilot 8 Continue pushing the control knob in for a further 60 seconds to prevent the flame detector from shutting off the gas while the probe is warming up Release the control knob 9 Turn gas control knob counterclockwise to the ON position 10...

Page 26: ...Follow appropriate lighting instructions found previously Instead of pushing and releasing the piezo button light a match and hold the flame to the end of the pilot and ignite the pilot 3 After control knob has been released and pilot stays lit reinstall any items that were removed for pilot access 4 Call a qualified service technician for repair or replacement of the piezo ignitor ...

Page 27: ...h the use of the SCSWEK 15ft wall mount exten sion kit CAUTION Label all wires before disconnecting when servicing controls Wiring errors can cause improper and dangerous operation COMMAND CENTER WALL INSTALLATION The command center may be mounted on the wall with the use of the SCSWEK Kit 15ft cable junction box wall cover Mount the junction box provided at the desired location on the wall Do not...

Page 28: ...Switch Command Center Optional Wall Switch Plug in Connector Stepper Motor to Control Board DC Power Green Ground Plug in Connector Control Board to Solenoid Gas In Gas Out Pilot Gas Tubing Valve Black Yellow Thermocouple Pilot Thermocouple Module Orange Red ELECTRICAL INSTALLATION SIGNATURE COMMAND Figure 41 Signature Command Wiring Diagram NOTE Wall switch wires must be connected together if a w...

Page 29: ...phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department C Use only your finger to push in the master switch Never use tools If the switch will not function by hand do not try to repair it Call a qualified 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 wat...

Page 30: ...do not smell gas go to next step 4 Press the master switch to the ON position Within eight 8 seconds it will beep once This indicates the system is ready 5 Press ON button Sparker will spark and pilot flame will light 6 Once pilot flame is established the main burner flame will light automatically 7 If the pilot will not stay lit after several tries turn the master switch to OFF and call your serv...

Page 31: ...ommand Center To Stepper Motor To Valve Battery Door Master Switch ON LED OFF Control Board Command Center Figure 42 Signature Command System Components Transmitter Options TSTSC TSMSC TSTSC is supplied with R Models Three Flame Height Settings X X Low battery Indication for Transmitter X X Child Proof Lock out X X LCD Backlight X X Security Codes 10 000 X X Countdown 6 hr Timer X X Standard Therm...

Page 32: ... paper clip to depress button One beep for RF receiver ON or two beeps for RF receiver OFF will be given as confirmation Refer to Figure 42 for location 2 After the RF receiver is on holding the OFF button on the Command Center while turning on the master switch will activate the learn function for the transmitter 3 After the above operation two beeps will be given and the green LED on the Command...

Page 33: ...ands of OFF are Memory Off the system will remember all last settings before turning off The next time the fireplace is turned on all settings will resume To reset change to the desired settings and shut off by using the Memory Off commands and the system will be reset to those new settings NOTE After turning off there may be up to a two 2 minute delay before the burner can be relit There will be ...

Page 34: ... of two categories menus and ad justment arrows The blue LED backlight lights up for 8 seconds when any of the touch buttons is pressed The menus include TIMER and THERMO buttons The adjustment arrows include ON up and OFF down Their default function is to turn on off the flame When a button from the menu is pressed the ON up and OFF down buttons will temporarily become adjustment controls for the...

Page 35: ...tion two beeps will be given and the green LED on the Command Center will flash for 10 sec onds FP2661 set privacy code Figure 45 FP2650 command ctr ctrl brd RF Receiver ON OFF Control Board Figure 46 4 During the 10 seconds press the OFF button on the transmitter to learn Another two beeps will be given to confirm a successful learning FP2650 command ctr ctrl brd Battery Door Master Switch ON LED...

Page 36: ...etely when the timer counts down to zero 6 To exit Timer Mode a Push and hold the TIMER button for 3 seconds Or FP2662 manual mode Figure 48 FP2663 timer mode Figure 49 b Use the OFF down buttons to decrease the Set Time to zero Or c Slide down on the arrow buttons to exit TIMER mode and shut off the fireplace Thermostat Mode Figure 50 Press the THERMO button to set the transmitter in thermostat m...

Page 37: ...en press TIMER but ton and THERMO button at the same time for 3 sec onds The backlight will flash once to indicate that the setting has changed to B FP2666 display Figure 52 2 When the current setting is B pressing TIMER button and THERMO button at the same time for 3 seconds will switch to A Mode The touch area icons will disap pear n Safety Features 1 Low Battery Detection When low battery condi...

Page 38: ...tion 1 Battery icon on LCD on transmitter 1 Low Battery 1 Replace batteries Change batteries every 6 months 2 LCD display is blank 2 Check battery installation or replace batteries 3 LCD display shows funny display 3 Reset the transmitter see Resetting the Transmitter section 4 Appliance does not come on 2 The transmitter did not match 1 Make sure the transmitter has with the receiver learned to t...

Page 39: ...ith a wet soapy cloth Annual Cleaning Inspection Refer to parts diagram for location of items discussed below Inspectandcleanburnerairintakeholes Removelintorparticleswithvacuum brushorpipecleaners Failure to keep air intake holes clean will result in sooting and poor combustion Inspect and clean all burner ports Inspect ODS pilot for operation and accumulation of lint at air intake holes Verify f...

Page 40: ...alve closed 2 Control knob not in PILOT position 3 Control knob not pressed in while in PILOT position 4 Air in gas lines when installed 5 ODS pilot is clogged 6 Gas regulator setting is not correct Solution 1 Replace ignitor 2 Replace ignitor 3 Reconnect ignitor cable 4 Free ignitor cable if pinched by any metal or tubing 5 Replace ignitor cable 6 Replace piezo ignitor 1 Ventilate room Stop using...

Page 41: ...ly clogged burner orifices 1 LP regulator shut down due to inlet pressure too high Solution 1 Press control knob in fully 2 After ODS pilot lights keep control knob pressed in for 30 seconds 3 Fully open manual shutoff valve 4 Hand tighten thermocouple connection until snug then tighten 1 4 turn more 5 Contract local gas company 6 Replace thermocouple 7 Replace control valve 1 Burner orifice is cl...

Page 42: ...r 15 feet cable Check pilot connections Check gas supply Go through Battery polarity wrong Battery voltage low Using battery Check valve connections Check power supply go through A D Check grounding Go through B Go through C The sensor on the pilot is not in the flame pilot flame too small ACTION Re install batteries Change batteries Replace the Control Board or Command Center Sparking is happenin...

Page 43: ...6 1 2 3 4 6 5 7 810108 NB parts NB Millivolt Models Burner assembly 18NBMV 24NBMV Ref Description Qty Natural Propane Natural Propane 1 Piezo Ignitor 1 14D0503 014D0503 14D0503 14D0503 2 Piezo Wire 1 00K0632 00K0632 00K0632 00K0632 3 Burner 1 81D2004 81D2010 81D0515 81D0504 4 Control Valve 1 14D0467 14D0468 14D0467 14D0468 5 ODS Pilot Assy 1 14D0473 14D0477 14D0473 14D0477 6 On Off Switch 1 32D023...

Page 44: ...3 14D0477 5 Pilot Regulator 1 14D0469 14D0469 14D0469 14D0469 6 Sparker Wire 1 00K0632 00K0632 00K0632 00K0632 00K0632 00K0632 00K0632 00K0632 7 Thermocouple Module 1 20303179 20303179 20303179 20303179 20303179 20303179 20303179 20303179 8 Command Center SCS 1 80D0005 80D0005 80D0005 80D0005 80D0005 80D0005 80D0005 80D0005 9 Control Board SCS 1 80D0018 80D0019 80D0018 80D0019 80D0018 80D0019 80D0...

Page 45: ...unk 1 81D0110 81D0109 81D0110 81D0109 81D0110 81D0109 2 Right Front Log 1 81D0011 81D0035 81D0019 81D0043 81D0027 81D0051 3 Right Rear Log 1 81D0012 81D0036 81D0020 81D0044 81D0028 81D0052 4 Left Rear Log 1 81D0013 81D0037 81D0021 81D0045 81D0029 81D0053 5 Left Front Log 1 81D0014 81D0038 81D0022 81D0046 81D0030 81D0054 6 Left Top Log 1 81D0015 81D0039 81D0023 81D0047 81D0023 81D0047 7 Right Top L...

Page 46: ... Log 5 1 20303583 20303594 20303948 6 Mid Right Log 6 1 20303584 20303595 20303595 7 Mid Rear Log 7 1 20303585 20303596 20303596 8 Mid Left Log 8 1 20303586 20303597 20303949 9 Center Log 9 1 20303587 20303598 20303598 10 Top Front Right Log 10 1 20303588 20303599 20303950 11 Top Front Left Log 11 1 20303589 20303600 20303600 Enhancement Kit SC2430EK 12 Log 12 1 20303590 20303601 20303601 13 Log 1...

Page 47: ...47 18NB 24NB Gas Log Set 81D0108 ...

Page 48: ...48 18NB 24NB Gas Log Set 81D0108 ...

Page 49: ...49 18NB 24NB Gas Log Set 81D0108 ...

Page 50: ...ith 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 2...

Page 51: ...ons The Limited Lifetime Warranty will also be void if the appliance is not operated and maintained according to the operating instructions supplied with the appliance and does not extend to 1 firebox burner assembly damage by accident neglect misuse abuse alteration negligence of others including the installation thereof by unqualified installers 2 the costs of removal reinstallation or transport...

Page 52: ...MHSC 149 Cleveland Drive Paris Kentucky 40361 www mhsc com ...

Search results

Summary of Contents for 18NB

Reviews:

Related manuals for 18NB

Brands by name

Popular brands

Majestic 18NB, Installation And Operating Instructions Manual

Search results

Summary of Contents for 18NB

Reviews:

Related manuals for 18NB

Brands by name

Popular brands