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114924-01D

9

INSTALLATION

Continued 

3.  Pressurize supply piping system by either 

opening propane/LP supply tank valve for 

propane/LP gas or opening main gas valve 

located on or near gas meter for natural gas 

or using compressed air.

4.  Check all joints of gas supply piping system. 

Apply noncorrosive leak detection fluid to all 

joints. Bubbles forming show a leak. 

5.  Correct all leaks at once.

6.  Reconnect  heater  and  equipment  shutoff 

valve to gas supply. Check reconnected fit

-

tings for leaks. 

Test Pressures Equal To or Less Than 
1/2 PSIG (3.5 kPa)

1.  Close equipment shutoff valve (see Figure 8).

2.  Pressurize supply piping system by either 

opening propane/LP supply tank valve for 

propane/LP gas or opening main gas valve 

located on or near gas meter for natural gas 

or using compressed air.

3.  Check all joints from gas meter to equipment 

shutoff valve for natural gas or propane/LP 

supply to equipment shutoff valve for propane/

LP (see Figure 9 or 10). Apply noncorrosive 

leak detection fluid to all joints. Bubbles form

-

ing show a leak. 

4.  Correct all leaks at once.

Figure 8 - Equipment Shutoff Valve

Equipment 
Shutoff 
Valve

Open

Closed

Control Valve 
Location

Equipment
Shutoff Valve

Propane/LP
Supply Tank

Figure 9 - Checking Gas Joints  

(Propane/LP Gas Only)

Figure 10 - Checking Gas Joints  

(Natural Gas Only)

Equipment 
Shutoff Valve

Gas Meter

Control Valve 
Location

Pressure Testing Appliance Gas 
Connections

1.  Open equipment shutoff valve (see Figure 8).

2.  Open main gas valve located on or near gas 

meter for natural gas or open propane/LP 

supply tank valve.

3.  Make sure control knob of appliance is in the 

OFF position.

4.  Check all joints from equipment shutoff valve 

to gas control (see Figure 9 or 10). Apply 

noncorrosive leak detection fluid to all joints. 

Bubbles forming show a leak.

5.  Correct all leaks at once. 

6.  Light appliance (see 

Operating Appliance

page 10) Check all other internal joints for 

leaks.

7.  Turn off appliance.

PLACEMENT OF LOOSE EMBERS

  CAUTION:  Do  not  place 

any loose embers around pilot 

assembly.

Two bags of loose embers are provided with this 

unit. For this installation use the embers that are 

approximately 1" square in size. If needed, larger 

embers can be broken to size. These embers aid 

in concealing the burner pan, directing flames 

through the ember bed, quiet operation of the 

unit and gives a natural random flame pattern (see 

Figure 11, page 10).

Place embers as follows:

1.  Place embers around the center ember bed or 

ember pod.

2.  Place individual embers on their edge (not flat) 

along the top of the burner pan. This aids in 

directing flames from the burner through the 

ember bed. 

 

Note:

 Too many embers or embers placed flat 

along burner pan can suppress the flames.

Содержание MVO18VNA

Страница 1: ...t any appliance Do not touch any electrical switch do not use any phone in your building Immediatelycallyourgassupplierfromaneighbor s phone Follow the gas supplier s instructions If you cannot reach...

Страница 2: ...Z233 1 NFPA 54 Section 5 3 Air for Combustion and Ventilation This appliance may be installed in an aftermarket per manently located manufactured mobile home where not prohibited by local codes This a...

Страница 3: ...nt even though no odor exists Make certain you read and understand all warnings Keep this manual for reference It is your guide to safe and proper operation of this log set WARNING Do not place log sc...

Страница 4: ...eans screens shall have openings for introduction of combustion air 8 If fireplace has glass doors never operate with glass doors closed If you operate heater with doors closed heat buildup inside fir...

Страница 5: ...used with vented decorative appliances Installation WARNING A qualified ser vice person must install heater Follow all local codes WARNING Before installing in a solid fuel burning fireplace the chim...

Страница 6: ...le material and connected to a working flue The fireplace chimney must have a permanent vent opening to outside with minimum openings shown in Figure 3 Figure 2 Technical Information Chart Figure 3 Si...

Страница 7: ...ollow all local codes WARNING This appliance requiresa3 8 NPT NationalPipe Thread inlet connection to the control valve CAUTION Never connect propane LP unit directly to the propane LP supply This uni...

Страница 8: ...installed wrong heater may not run properly CAUTION Avoid damage to gas control Hold gas control with wrench when connecting it to gas piping and or fittings Figure 7 Gas Connection Purchasetheoptiona...

Страница 9: ...Propane LP Gas Only Figure 10 Checking Gas Joints Natural Gas Only Equipment Shutoff Valve Gas Meter Control Valve Location Pressure Testing Appliance Gas Connections 1 Open equipment shutoff valve s...

Страница 10: ...tch is in OFF position 3 Be sure gas line shut off valve is OPEN 4 Press in and turn control knob clockwise to the OFFposition see Figure 12 Note Knob cannot be turned from PILOT to OFFunless knob is...

Страница 11: ...Setting the Selector Switch Control Knob and Flame Adjustment Knob for Remote Operation Selector Switch in REMOTE Position REMOTE OFF ON Piezo Ignitor Control Knob Flame Adjustment Knob Figure 14 On...

Страница 12: ...Pattern Yellow Flames with Orange Streaks Cleaning and Maintenance WARNING Turn off the ap pliance and allow to cool before cleaning CAUTION You must keep control areas burners and cir culating air pa...

Страница 13: ...gas lines when in stalled 5 Depleted gas supply pro pane LP only 6 ODS pilot is clogged 7 External gas regulator setting is incorrect When ignitor button is pressed there is no spark at ODS pilot When...

Страница 14: ...n burner s see Cleaning and Maintenance page 12 1 Clean burner see Cleaning and Maintenance page 12 or replace burner orifice 2 Replace damaged burner 3 Replace gas regulator 4 Correct external gas re...

Страница 15: ...oved from line Have gas line checked by local natural or propane LP gas company 3 Observe minimum installation clearances see page 6 4 Clean burners see Cleaning and Maintenance page 12 or replace bur...

Страница 16: ...ding while heating or contracting while cooling 1 Appliance burning vapors from paint hair spray glues cleaners chemicals new carpet etc See IMPORTANT statement above 2 Low fuel supply propane LP only...

Страница 17: ...will not stay lit burners will have delayed ignition Propane LPunits only propane LPgas supply may be low You may feel your gas pressure is too low If so contact your local propane LP or natural gas s...

Страница 18: ...www desatech com 114924 01D 18 Illustrated Parts Breakdown Models MVO24VNA MVO24VPA MVO18VNA and MVO18VPA 1 2 3 4 5 6 17 16 15 7 8 9 10 11 12 14 13...

Страница 19: ...01 Pilot Assembly 1 11 111828 01 Brass Fitting 1 111818 01 Brass Fitting 1 12 114930 01 Pilot Bracket 1 114930 02 Pilot Bracket 13 26205 Gas Orifice 1 23109 Gas Orifice 1 14 114936 02 Venturi 1 11493...

Страница 20: ...installed by a qualified installer in accordance with all local codes and instructions furnished with the unit This warranty does not apply to parts that are not in original condition because of norm...

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