Desa CDV37N/P Fireplace Installation, Check GAS Type, Installing Optional Blower Accessory

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CDV37N/P(A,B) AND CDV41N/P(A,B)

DIRECT-VENT FIREPLACE (NATURAL/PROPANE/LP)

FIREPLACE INSTALLATION

NOTICE: This heater is intended for use as supplemental heat. Use this heater along with your pri- mary heating system. Do not in- stall this heater as your primary heat source. If you have a central heating system, you may run system’s circulating blower while using heater. This will help circu- late the heat throughout the house. In the event of a power outage, you can use this heater as your primary heat source.

WARNING: A qualified ser- vice person must install fireplace. Follow all local codes.

CAUTION: This fireplace cre- ates warm air currents. These cur- rents move heat to wall surfaces next to fireplace. Installing fire- place next to vinyl or cloth wall coverings or operating fireplace where impurities (such as to- bacco smoke, aromatic candles, cleaning fluids, oil or kerosene lamps, etc.) in the air exist, may discolor walls.

Note: Your fireplace is designed to be used in zero clearance installations. Wall or fram- ing material can be placed directly against any exterior surface on the rear, sides, or top of your fireplace, except where standoff spacers are integrally attached. If standoff spacers are attached to your fireplace, these spacers can be placed directly against wall or framing material. See framing details on page 4.

Place the fireplace into position and shim with noncombustible material if needed. Nail the side flanges to the framing to secure

CHECK GAS TYPE

Use proper gas type for the fireplace unit you are installing. If you have conflicting gas types, do not install fireplace. See re- tailer where you purchased the fireplace for proper fireplace according to your gas type.

INSTALLING OPTIONAL BLOWER ACCESSORY

NOTICE: If installing blower in an existing fireplace with gas con- nections, shut off gas supply and disconnect heater from gas sup- ply. Contact a qualified service person to do this.

Attaching Thermal Switch to CDA3620T Thermostatically- Controlled Blower

When installing the CDA3620T thermo- statically-controlled blower accessory, you must first secure the thermal switch to the blower.

1.Remove the two hex head screws on the blower assembly as shown in Figure 29.

2.Place the green wire between the bot- tom hole on the thermal switch bracket and the bottom hole on the blower as- sembly. Insert one of the hex screws into all three pieces and tighten.

3.Insert the top screw through the ther- mal switch bracket and into the blower assembly. Tighten screw.

4.Connect the blue wire on the blower assembly to the right side of the ther- mal switch.

5.Connect the black wire to the left side of the thermal switch.

Thermal Switch

White Wire

 

with Bracket

 

Black Wire

Installing GA3750/CDA3620T Blowers

IMPORTANT: For clarity, gas valve assem- bly and grate/burner assembly are not shown in Figures 30 through 33, page 17. They will, however, be in your fireplace when you are installing the blower. Also for clarity the firebox is shown with dotted lines.

1.Open lower louver panel or remove for easier access.

2.Place the blower against the lower rear wall of firebox outer wrapper with the exhaust port directed upward. Align the holes in the top mounting tabs of blower with holes in wall of wrapper (see Fig- ure 30, page 17). Using the two screws provided, mount blower and tighten screws securely.

Note: For CDA3620T, make sure the thermal switch is comfortably under the back of the firebox as shown in Figure 31, page 17.

3.Be sure to securely attach all wire ter- minals to terminals on blower motor (and thermal switch where applicable) and that the screw retaining the green ground wire is tight.

4.Remove screws securing the plate con- taining the ON/OFF switch to the bot- tom of the firebox and set aside.

5.Place speed control against back of this plate and push the plastic control shaft through opening (see Figure 32, page 17).

6.While supporting speed control, secure control shaft with lock nut by pushing and turning lock nut with pliers clockwise until tight against the plate. Place control knob provided onto shaft (see Figure 32, page 17).

7.Replace plate containing switches and tighten screws securely.

Blower Assembly

the unit in place. There are two floor brack- ets included with each unit. Use these as an alternative method of securing the fireplace.

IMPORTANT: Make sure fireplace is level before securing. If fireplace is not level it will not work properly.

 

Green Wire

Hex Head

Blue Wire

Screws

 

Figure 29 - Attaching Thermal Switch to DA3610T Thermostatically-Controlled Blower Accessory

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Contents For Your Safety What to do if YOU Smell GAS For Your SafetyCDV37N/PA,B and CDV41N/PA,B Safety Information DIRECT-VENT Fireplace NATURAL/PROPANE/LPProduct Features Product IdentificationLocal Codes Glossary TermsPRE-INSTALLATION Preparation ClearancesLocation and Space Requirements Framing and FinishingPRE-INSTALLATION Preparation General Venting Location of Vent TerminationGeneral Venting Venting Installation Installation PrecautionsInstallation Planning Installing Vent System in a ChaseInstallation for Horizontal Termination Snorkel TerminationVent Pipe Connections Horizontal Termination Configurations Horizontal VentingVenting with Two 90 Elbows Flat Ceiling Installation Installation for Vertical TerminationCathedral Ceiling Installation Vertical Termination Configurations Venting with One 90 ElbowVertical Venting High Altitude Installation Parts Lists for Venting Kits and ComponentsComfort Glow Rigid Venting Comfort Glow Flexible VentingFireplace Installation Installing Optional Blower AccessoryInstalling GA3750/CDA3620T Blowers Check GAS TypePlug in blower power cord Installing GAS Piping to Fireplace Location Installation Items NeededPressure Testing Gas Supply Piping System Connecting Fireplace to GAS SupplyChecking GAS Connections Pressure Testing Fireplace Gas Connections Close manual shutoff valve see Fig- ureWireless HAND-HELD Remote Control Installing Battery into ReceiverInstalling 9-Volt Battery in Hand- Held Remote Control Unit REMOVING/REPLACING Glass DoorInstalling Optional Brick Liner CD8037A/ CD8041 Attaching Magnetic Decorative Brass StripsInstalling LOGS, Lava Rock and Glowing Embers Replace glass door. See Removing/Re- placing Glass Door,For Your Safety Read Before Lighting Manual Lighting ProcedureOperating Fireplace Lighting InstructionsOperating Optional Blower Accessory Pilot AssemblyInspecting Burners HAND-HELD Remote OperationCleaning and Maintenance Glass DoorPilot and Burners LogsTroubleshooting Observed Problem Possible CauseObserved Problem Possible Cause Remedy Gas leak. See Warning statement Replacement Parts Wiring DiagramService Hints Technical ServiceSpecifications AccessoriesTHERMOSTATICALLY- Controlled Blower KIT CDA3620T Manual Blower KIT GA3750Illustrated Parts Breakdown CDV41NA,BParts List DIRECT-VENT Fireplace CDV37NA,B CDV41NA,BCDV37PA,B CDV41PA,B DIRECT-VENT Fireplace CDV37PA,B CDV41PA,B Warranty Information