Instruction/ maintenance manual of the product CSVF20SNV Monessen Hearth
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ON OFF READ AND SA VE THESE INSTRUCTIONS This is an unvented gas-fired heater . It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be provided.
2 58D6002 CONTENTS Important Safety Information .......................... 3 Product Features .............................................. 5 Dimensions ....................................................... 6 Getting Started .......................
58D56002 3 9. The installation must conform with local codes or, in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.l/NFP A54. 10. This unit complies with ANSI Z21.1 1.2-2001 Unvented Heaters. 1 1. Do not install heater in a bathroom or bedroom unless approved for bedroom use.
4 58D6002 IMPORT ANT SAFETY INFORMA TION Continued fr om page 3 15. This is an unvented gas-fired heater . It uses air (oxygen) from the room in which it is installed. Provisions for adequate combustion and ventilation air must be pro- vided. See page 8.
58D56002 5 ON OFF PRODUCT FEA TURES Off/Pilot/On Knob Hi/Lo Knob Door Figure 1 - Cast Iron Stove Optional Remote Receiver Optional Thermostat Sensor Piezo Handle On/Off Switch.
6 58D6002 A C B CSVF20S CSVF30S A 21 1 / 4 " 26 3 / 4 " B 23" 28 1 / 2 " C 16 1 / 2 " 19 3 / 4 " DIMENSIONS Figure 2 - Dimensions.
58D56002 7 GETTING ST ARTED MAKE SURE YOU HA VE RECEIVED ALL P ARTS: Carefully inspect the contents for shipping damage. If any parts are missing or damaged, immediately inform the dealer from whom you purchased the appliance. Do not attempt to install any part of the appliance unless you have all parts in good condition.
8 58D6002 PRODUCT SPECIFICA TIONS NA TURAL GAS NOTE: An external regulator is required to reduce supply pressure to a maximum of 10 1 / 2 " w .c. on Natural Gas systems operating at higher pressure. MILLIVOL T PRESSURE Regulator Pressure Setting: 3.
58D56002 9 CODES Adhere to all local codes or , in their absence, the latest edition of THE NA TIONAL FUEL GAS CODE ANSI Z223.1 or NFP A54 which can be obtained from… American National Standards Institute, Inc. 1430 Broadway New Y ork, NY 10018 or National Fire Pr otection Association, Inc.
10 58D6002 O N O FF L 2 L 1 W H GENERAL INST ALLA TION INFORMA TION The following formula can be used to determine the maximum heater rating per the definition of unconfined space: BTU/Hr = (L 1 + L 2 ) Ft x (W) Ft x (H) Ft 50 Consider two connecting rooms with an open area between, with the following dimensions: L 1 = 15 1 / 2 Ft.
58D56002 1 1 D Minimum to Either Side W all E Minimum A G G D Minimum to Either Side W all F Minimum F Minimum 36" in Front C B Mantel Clearance from T op of Unit Side, Measured from T op Rear Measured from Back Corner Measured From T op Corners Product Min.
12 58D6002 ON OF F A C B CLEARANCES / HEIGHT REQUIRMENTS Figure 5 - Placing Stove in Alcove Note: Maintain minimum side and back clearances when placing stove in alcove.
58D56002 13 PILOT OFF REMOTE CONTROL LOGS ON OFF LOGS PILOT OFF REMOTE CONTROL LOGS REMOVING UNIT FROM CRA TE 1. Remove two (2) straps. See Figur e 6. 2. Open plastic bag and slide to bottom of unit. See Figur e 7. 3. Lift up on ash lip and pivot down to open control door .
14 58D6002 Pipe Coupling T o Heater V alve Gas Supply Inlet CONNECTING THE GAS NOTICE: A qualified gas appliance installer must connect the heater to the gas supply . Consult all local codes. IMPORT ANT : Hold heater valve firmly with a wrench to prevent movement when connecting to inlet pipe.
58D56002 15 ON OFF CHECKING GAS PRESSURE AND CONNECTING REMOTE RECEIVER MILLIVOL T CONTROL (FIGURE 10) The valve regulator controls the burner pressure which should be checked at the pressure test point. If outlet pressur e is low , check inlet pressure against data plat es or manual.
16 58D6002 ELECTRICAL WIRING (MILLI-VOL T) The milli-volt valve is a self-powered combination gas control THA T DOES NOT REQUIRE 1 10 V AC T O OPERA TE. Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.
58D56002 17 PILOT HEA T THERMOSTA T REMOTE C ONTROL Figure 14 - Installing T -Stat Sensor and Control Knob T -Stat Sensor Wiring Harnesses Screws Knob INST ALLING THERMOST A T SENSOR (OPTION SOLD SEP ARA TEL Y) 1. Lif t up on ash lip an d pivot down to ope n contr ol door .
18 58D6002 PIL OT OFF REMO TE CONTROL 4. Remove adhesive backing from plastic clip. Press clip to bottom of valve. Clip thermo bulb into plastic clip. See Figur e 15. 5. Reattach faceplate or reinstall base. 6. Install knob to shaft of t-stat sensor .
58D56002 19 PILOT OFF REMOTE CONTROL Left Bottom Log #2 Back Log #1 T op Left Log #4 LOG PLACEMENT INST ALLING LOGS ON GRA TE (See Figure 17) 1. Install back log (#1) on rear log support bracket. 2. Instal l left botto m log (#2) on left lo g support bracket in front of back log.
20 58D6002 PILOT OFF REMOTE CONTROL 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. CHECKING PILOT FLAME The pilot flame must always be present when the heater is in operation.
58D56002 21 PILOT OFF REMOTE CONTROL FLAME APPEARANCE CHECKING BURNER FLAME In normal operation at full rate after 15 minutes, the following flame appearances should be observed: The left and right rear flames should be yellow and extend 1"-2" above middle logs.
22 58D6002 PILO T OFF REMOTE CO NTROL Figure 22 - Location of Piezo Ignitor , Control Knobs and Switch on Milli-volt Unit A. This appliance is equipped with an ignition device which automatically lights the pilot. If the piezo is not working properly , see Match Lighting Instructions , page 24.
58D56002 23 OF F ON OPERA TING INSTRUCTIONS Figure 23 - Pilot T O TURN OFF GAS TO HEA TER 1. T urn control knob clockwise to OFF position to completely shut off the heater . 2. If applicable: T urn ON/OFF switch to OFF position and/or set thermostat (if present) to lowest setting.
24 58D6002 1. Open stove door . Remove any items necessary for easy access to the pilot (for example: logs, screens, etc.). 2. Follow appropriate lighting instructions found previously . Light a match and hold the flame to the end of the pilot and ignite the pilot.
58D56002 25 1 2 3 4 5 REPLACEMENT P ARTS ARE A V AILABLE THROUGH YOUR RET AILER. Item Description Qty 1 Back Log 1 58D1901 2 Bottom Left Log 1 58D1902 3 Bottom Right Log 1 58D1903 4 Left T op Log 1 58.
26 58D6002 1 2 3 4 5 6 7 8 9 10 1 1 12 13 14 15 16 REPLACEMENT P ARTS Failure to position the parts in accordance with these diagrams or failure to use only parts specifically a p p r o v e d w i t h t h i s a p p l i a n c e m a y result in property damage or personal injury .
58D56002 27 CSVF20 CSVF30 Item Description Qty Natural Propane Natural Propane 1 Piezo Ignition Module 1 45D0077 45D0077 45D0077 45D0077 2 Piezo Switch 1 45D0078 45D0078 45D0078 45D0078 3 Piezo Wire 1.
28 58D6002 OBSERVED PROBLEM When ignitor button is pressed, there is no spark at ODS/pilot. Ap pl i an ce p rod uc e s u nw a nt ed odors. Appliance shuts off during use. Ga s odor eve n whe n con tr ol kn ob is in OFF position. When ignitor button is pressed, there is spark at ODS pilot, but no ignition.
58D56002 29 OBSERVED PROBLEM ODS/pilot lights, but flame goes out when control kn ob is released. Burn er does not lig ht after OD S/ pilot is lit. Burner backfires during com - bustion. Slight smoke or odor during initial operation. Logs appear to smoke after ini - tial operation.
30 58D6002 NOTES.
58D56002 31 NOTES.
July 2004 P/N 58D6002 • Rev . 1 LIMITED LIFETIME W ARRANTY Monessen Hearth Systems warrants its products to be free of defects in material and workmanship and backs each product with a Limited Lifetime W arranty . This warranty is to the original purchaser of a Monessen Hearth Systems product and is not transferable.
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