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Monessen Hearth CFX32 manual

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Table of contents for the manual

  • Page 1

    V ent-free Fireplace Systems Models: CFX24, CFX32 Natural Gas or LP , Millivolt Installation and Operating Instructions W ARNINGS If the information in this manual is not followed exactly , a fire or explosion may result causing property damage, personal injury or loss of life. – Do not store or use gasoline or other fla mma ble vapo rs and liqu [...]

  • Page 2

    2 CFX V ent F ree F ireplace S y stem 20301726 CONTENTS Important Safety Information ..................................... 3 Product Features and Specifications ........................ 5 Gas Pressures ........................................................ 5 Gas Specifications .................................................. 5 Igntion Controls [...]

  • Page 3

    3 CFX V ent F ree F ireplace S y stem 20301726 1 1. Correct installation of the ceramic fiber logs, proper location of the heater , and annual cleaning are neces- sary to avoid potential problems with sooting. Sooting, resulting from improper installation or operation, can settle on surfaces outside the fireplace. See log place- ment instructions f[...]

  • Page 4

    4 CFX V ent F ree F ireplace S y stem 20301726 IMPORT ANT SAFETY INFORMA TION 18. Dur ing man ufac tu rin g, fab ric at ing an d shi pp ing , v ari ous components of this appliance are treated with certain oils, films or bonding agents. These chemicals are not harmful but may produce annoying smoke and smells as they are burned of f during the init[...]

  • Page 5

    5 CFX V e nt F ree F ireplace S ys te m 20301726 PRODUCT FEA TURES & SPECIFICA TIONS OPERA TION This unvented gas heater requires no outside venting and burns cleanly with high heating efficiency . This zero-clearance unvented gas heater can be installed against any wall that is accessible to a gas line. FP2750 CFX controls Piezo Ignition Contr[...]

  • Page 6

    6 CFX V e nt F ree F ireplace S ys te m 20301726 FIREPLACE & SYSTEM DIMENSIONS Figure 2 - Firebox Dimensions E D C A B F G H I 1726 CFX Barrington dims H Ref. CFX24 CFX32 A 1 1 Cv " (299 mm) 15 Zv " (387 mm) B 19 Cv " (502 mm) 26" (660 mm) C 26 M, " (683 mm) 33" (838 mm) D 52 Zx " (1334 mm) 61 >zn &qu[...]

  • Page 7

    7 CFX V e nt F ree F ireplace S ys te m 20301726 GETTING ST ARTED Make sure you have received all parts: Check your packing list to verify that all listed parts have been received. Y ou should have the following: • Unvented gas heater • T wo (2) 90°-angle brackets • Facing • Installation/operating instructions • T wo (2) anchoring screws[...]

  • Page 8

    8 CFX V e nt F ree F ireplace S ys te m 20301726 ADEQUA TE COMBUSTION AND VENTILA TION AIR This heater shall not be installed in a confined space or unusually tight construction unless provisions are provided for adequate combustion and ventilation air . The National Fuel Gas Code, (ANSI Z223.1/NFP A54), defines a confined space as a space whose vo[...]

  • Page 9

    9 CFX V e nt F ree F ireplace S ys te m 20301726 FP2110a fireplace locations 12/08 Carefully select the best location for installation of your unvented fireplace. The following factors should be taken into consideration. • Clearance to side wall, ceiling, woodwork and window or other combustibles. Refer to Clearances and Height Requirements secti[...]

  • Page 10

    10 CFX V e nt F ree F ireplace S ys te m 20301726 9” Min. 9” Min. 42” Min. FP21 1 1a min clearances CLEARANCES and HEIGHT REQUIREMENTS Ensure that minimum clearances shown in Figure 5 are maintained. Left and right clearances are deter - mined when facing the front of the firebox. Follow these instructions carefully to ensure safe installatio[...]

  • Page 11

    1 1 CFX V e nt F ree F ireplace S ys te m 20301726 FP2109a remov e screen REMOVE SCREEN Figure 6 1. Remove bottom access door . 2. Remove fireplace screen frame panel by pushing screen frame panel up and out. GENERAL INST ALLA TION INFORMA TION Figure 6 - Remove Fireplace Screen Frame Panel NOTE: Fireplace screen must be removed to access log box. [...]

  • Page 12

    12 CFX V e nt F ree F ireplace S ys te m 20301726 INST ALL MANTEL 1. Place base near final position. Make sure you have access to all four (4) sides. 2. Place sides in the approximate location on base. Align back edge of side with back of base. Secure joining block #1 to bottom of side using two (2) 1 Zv ” screws. Be sure joining block is flush [...]

  • Page 13

    13 CFX V e nt F ree F ireplace S ys te m 20301726 FIREPLACE INST ALLA TION FIREBOX TO MANTEL INST ALLA TION 1. Slide fireplace into mantel. 2. Use the two (2) 'L' brackets provided to secure the fireplace to the mantel. Figure 9 3. When the fireplace is in the proper position, centered in mantel opening, remove the control panel door and [...]

  • Page 14

    14 CFX V e nt F ree F ireplace S ys te m 20301726 FP2108a install firebrick GENERAL INST ALLA TION INFORMA TION INST ALL OPTIONAL FIREBRICK P ANELS 1. Remove optional firebrick panels from packaging. Check to see that you have the following: • Firebrick panels, 3 • Retainer brackets, 2 • B lack screws, 2 If any part or parts are missing, cont[...]

  • Page 15

    15 CFX V e nt F ree F ireplace S ys te m 20301726 CONNECT THE GAS FP1977 external regulator Figure 13 - External Regulator with V ent Pointing Down (Propane/LP Only) CHECK GAS TYPE Use proper gas type for the fireplace you are installing. If you have conflicting gas type, do not install fireplace. See dealer where you purchased the fireplace for pr[...]

  • Page 16

    16 CFX V e nt F ree F ireplace S ys te m 20301726 CONNECT THE GAS 3" Minimum FP1978 gas connection A listed manual shutoff valve must be installed upstream of the appliance. Union tee and plugged 1/8" NPT pressure tapping point should be installed upstream of the appliance. Figure 14 IMPOR T ANT : Install main gas valve (equipme nt shutof[...]

  • Page 17

    17 CFX V e nt F ree F ireplace S ys te m 20301726 CHECK GAS PRESSURE 1. Check gas type. The gas supply must be the same as sta ted on th e app lia nce ’s ra tin g dec al. If the gas sup ply is diffe rent from the fire place, ST OP! Do not instal l the appliance. Contact your dealer immediately . 2. T o ease installation, a 24" (610 mm) flex [...]

  • Page 18

    18 CFX V e nt F ree F ireplace S ys te m 20301726 ELECTRICAL WIRING (MILLI-VOL T) Th e mi ll i- vol t val ve is a se lf- po we red co mb ina ti on ga s co nt rol that DOES NOT REQUIRE 1 10V AC TO OPERA TE. CONNECTING OPTIONAL W ALL SWITCH OR THERMOST A T 1. Use 18 awg, two-wire cable, 20 feet maximum length. 2. At one end of the cable, connect both[...]

  • Page 19

    19 CFX V e nt F ree F ireplace S ys te m 20301726 ELECTRICAL WIRING (MILLI-VOL T) CONNECT REMOTE RECEIVER TH ESE IN ST RUC TI ON S SUP ERS ED E THE SE CTI ON EN TIT LE D “HE ART H MOU NT ” IN TH E MILLI-VOL T HAND-HELD REMOTE INSTRUCTIONS SUPPLIED WITH THE REMOTE. 1. Remove bottom louver door . 2. Connect the remote connectors located in the un[...]

  • Page 20

    20 CFX V e nt F ree F ireplace S ys te m 20301726 LOG PLACEMENT Before you begin — This unit is supplied with a set of three ceramic fiber logs. Do not handle these logs with your bare hands. Always wear gloves to prevent skin irritation from ceramic fibers. After handling logs, wash your hands gently with soap and water to remove any traces of f[...]

  • Page 21

    21 CFX V e nt F ree F ireplace S ys te m 20301726 LOG & ROCKWOOL PLACEMENT PROPER INST ALLA TION SEQUENCE (CFX32) Figure 19 1. Install front right log (#1) on two pins on right side of burner . 2. Install left front log (#2) on two pins on left side of burner . 3. Install back log (#3) on back of burner . 4. Install right middle log (#4) on two[...]

  • Page 22

    22 CFX V e nt F ree F ireplace S ys te m 20301726 L G592 CFX32 log flame L G591 CFX24 log flame Flames from the pilot, front and rear burner should be visually checked as soon as the heater is installed. In addition, periodically check the flames visually during operation. CHECK THE PILOT FLAME The pilot flame must always be present when the heater[...]

  • Page 23

    23 CFX V e nt F ree F ireplace S ys te m 20301726 OPERA TING INSTRUCTIONS A void any drafts that alter burner flame patterns. Do not allow fans to blow directly into the fireplace. Do not place a blower inside the burn area of the firebox. Ceiling fans may create drafts that alter flame patterns. Sooting and improper burning will result. During man[...]

  • Page 24

    24 CFX V e nt F ree F ireplace S ys te m 20301726 FP2750 CFX controls CFX Controls FOR YOUR SAFETY READ BEFORE LIGHTING A. This appliance is equipped with a piezo ignition device which automatically lights the pilot. If piezo is not working properly refer to Match Lighting Instructions, Page 26. B. BEFORE OPERA TING smell all around the appliance a[...]

  • Page 25

    25 CFX V e nt F ree F ireplace S ys te m 20301726 FP2118 piezo OPERA TING INSTRUCTIONS MILLI-VOL T CONTROL LIGHTING INSTRUCTIONS 1. ST OP! Read the safety information label. 2. Make sure the manual shutof f valve is fully open. 3. This gas log set is equipped with an ignition device (piezo) which automatically lights the pilot. If piezo ignitor doe[...]

  • Page 26

    26 CFX V e nt F ree F ireplace S ys te m 20301726 OPERA TING INSTRUCTIONS CLEANING AND SERVICING Ann ual insp ectio n and cl ean ing by your deale r or qua lif ied servi ce techn ician is reco mme nde d to prevent malfunction and/or sooting. Remove fireplace screen. Carefully lower screen from mounting lugs and set aside during clean- ing. See inst[...]

  • Page 27

    27 CFX V e nt F ree F ireplace S ys te m 20301726 CAUTION BLOWER and OTHER OPTIONAL EQUIPMENT OPTIONAL EQUIPMENT FORCED AIR KIT If you are installing the forced air kit (Models BLO24-T or BLOT), see the installation instructions provided with the kit for electrical wiring requirements or the blower installation section. Model CFX24 uses blower mode[...]

  • Page 28

    28 CFX V e nt F ree F ireplace S ys te m 20301726 Note: All troubleshooting items are listed in order of operation. TROUBLESHOOTING OBSERVED PROBLEM POSSIBLE CAUSE REMEDY When ignitor button is pressed, there is no spark at ODS/pilot. 1. Ignitor electrode positioned wrong. 1 Replace ignitor . 2. Ignitor electrode is broken. 2. Replace ignitor . 3. [...]

  • Page 29

    29 CFX V e nt F ree F ireplace S ys te m 20301726 TROUBLESHOOTING OBSERVED PROBLEM POSSIBLE CAUSE REMEDY ODS/pilot lights, but flame goes out when control knob is released. 1. Control knob not fully pressed in. 1. Press in control knob fully . 2. Control knob not pressed in long enough. 2. After ODS/pilot lights, keep control knob pressed in for 30[...]

  • Page 30

    30 CFX V e nt F ree F ireplace S ys te m 20301726 REPLACEMENT P ARTS Item Description Qty . CFX24 CFX32 1. Assy Door , Painted 1 88D0032K 88D0107K 2. Assy Screen Frame, Painted 1 88D0034K 88D0109K 1 2 88001 1 CFX face parts 12/08[...]

  • Page 31

    31 CFX V e nt F ree F ireplace S ys te m 20301726 REPLACEMENT P ARTS 1 3 2 10 8 7 1 1 14 13 12 5 6 88001 1 CFX burner parts 9 4 13 12 14 15 16 Fai lure to posi tion the parts in acc orda nce with these diagrams or failure to use only parts specifically approved with this appliance may result in property damage or personal injury . W ARNING[...]

  • Page 32

    32 CFX V e nt F ree F ireplace S ys te m 20301726 REPLACMENT P ARTS REPLACEMENT P ARTS ARE A V AILABLE THROUGH YOUR RET AILER. CFX24 CFX32 Item Description Qty . Natural Propane Natural Propane 1. Burner/Grate Assembly 1 33D4043 33D4043 33D5050 33D5050 2. Injector 1 59D0062 33D4046 33D5040 33D5039 3. V enturi 1 58D0454 33D4058 58D0454 58D0454 4. Mi[...]

  • Page 33

    33 CFX V e nt F ree F ireplace S ys te m 20301726[...]

  • Page 34

    34 CFX V e nt F ree F ireplace S ys te m 20301726[...]

  • Page 35

    35 CFX V e nt F ree F ireplace S ys te m 20301726 LIMITED LIFETIME W ARRANTY POLICY LIFETIME W ARRANTY The following components are warranted for life to the original owner , subject to proof of pur- chase: Firebox, Combustion Chamber , Heat Exchanger , Grate and Stainless Steel Burners. FIVE YEAR W ARRANTY The following components are warranted fi[...]

  • Page 36

    MHSC 149 Cleveland Drive • Paris, Kentucky 40361 www .mhsc.com[...]