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INTRODUCTION
Before You Begin
INTRODUCTION
These fireplace models are vented gas fireplaces that use a millivolt gas control valve with a millivolt ignition system. P325/VP325 models have a 5"
WARNING: This gas appliance must not be con- nected to a chimney flue servicing a solid fuel burn- ing appliance.
These models are factory equipped for use with natural gas and must be converted when intended for use with propane/LP gas. Conversion kits
BEFORE YOU BEGIN
Before beginning the installation of your appliance, read these instructions through completely.
This DESA appliance and its approved components are safe when installed according to this installation manual and are operated as recommended by DESA. Unless you use DESA approved components tested for this appliance, YOU MAY CAUSE A FIRE HAZARD!
The DESA warranty will be voided by, and DESA disclaims any responsibility for the following actions :
A)Modification of the appliance or any of the components.
B)Use of any component part not approved by DESA in combi- nation with this appliance.
C)Installation and/or operation in a manner other than instructed in this manual.
D)The burning of anything other than the type of gas approved for use in this gas appliance.
The installation must conform with local codes or, in the absence of local codes, with the current National Fuel Gas Code, ANSI Z223.1 or with the current CAN/CSA B149 Installation Codes.
This appliance complies with ANSI
WARNING: Installation of this appliance should be done by a qualified service person well trained in the installation of such appliances. You will also need a building permit from your local Building and Safety Commissioner before installing this appliance; other- wise your insurance co. may not cover this appliance.
NOTICE: This appliance is not intended to be used as a primary source of heat.
CAUTION: Do not connect appliance before pres- sure testing gas piping. Damage to gas valve may result and an unsafe condition may be caused.
The appliance and it’s individual shutoff valve must be discon- nected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1/2 psig (3.5 kPa).
The appliance must be isolated from the gas supply piping system by closing its individual manual 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).
For the purpose of input adjustment two pressure taps (for IN and OUT pressures) are provided on the gas control valve for test gauge connections to the appliance.
GAS RATING - NATURAL
| P324, VP324 | P325(B), VP325(B) |
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Max. Input Rating: | 15,000 Btu/Hr | 25,000 Btu/Hr | |
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Manifold Pressure: | 3.5 in. WC (.87 kPa) | 3.5 in. WC (.87 kPa) |
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Minimum Supply Pressure: | 4.5 in. WC (1.12 kPa) | 4.5 in. WC (1.12 kPa) | |
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Maximum Supply Pressure: | 10.5 in. WC (2.66 kPa) | 10.5 in. WC (2.66 kPa) | |
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Orifice Size: | # 49 | # 40 |
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GAS RATING - PROPANE/LP |
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Max. Input Rating: | 15,000 Btu/Hr | 25,000 Btu/Hr |
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Manifold Pressure: | 10.0 in. WC (2.49 kPa | 10.0 in. WC (2.49 kPa) |
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Minimum Supply Pressure: | 11.0 in. WC (2.74 kPa) | 11.0 in. WC (2.74 kPa) | |
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Maximum Supply Pressure: | 13.0 in. WC (3.23 kPa) | 13.0 in. WC (3.23 kPa) | |
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Orifice Size: | # 56 | # 54 |
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