SERVICE HINTS

When Gas Pressure Is Too Low

pilot will not stay lit

burner will have delayed ignition

fireplace will not produce specified heat

propane/LP gas supply may be low if using propane/LP gas

You may feel your gas pressure is too low or gas quality is bad. If so, contact your local gas supplier.

TECHNICAL SERVICE

You may have further questions about installation, operation, or troubleshooting. If so, contact DESA International’s Technical Ser- vice Department at 1-866-672-6040.

You can also visit DESA International’s Technical Services web site at www.desatech.com.

WIRING DIAGRAM

 

Pilot

 

 

 

 

INCOMING

Burner

 

 

WALL SWITCH

MAIN GAS

 

 

 

 

 

 

(SUPPLIED)

SUPPLY

Pilot Gas

 

 

 

 

 

ON

OFF

 

Line

 

 

 

 

 

 

 

 

IGN

MODEL

 

 

 

 

VENT SAFETY

 

 

 

 

 

 

 

 

 

SHUTOFF SWITCH

SP745IGNITIONCONTROL

Robertshaw

BLACK WHITE GREEN

 

PV GND TRTHPV/MV

 

MANUAL

 

 

 

 

EV1

DAMPER

 

 

 

 

 

SWITCH

 

 

 

 

 

MV

 

 

 

 

EV2

 

 

 

 

 

 

24V AC

 

 

 

 

 

STEP DOWN

 

 

 

 

TRANSFORMER

 

 

 

120V AC

 

 

 

 

 

 

 

 

OPTIONAL

GAS LINE

 

 

 

 

REMOTE

 

 

 

 

CONTROL

TO

 

 

 

 

 

BURNER

SERVICE HINTS

19

TECHNICAL SERVICE

WIRING DIAGRAM

 

REPLACEMENT PARTS

 

 

 

REPLACEMENT PARTS

Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.

PARTS UNDER WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s) call DESA International’s Technical Service Department at 1-866-672-6040 for referral information.

When calling DESA International, have ready

your name

your address

model and serial numbers of your fireplace

how fireplace was malfunctioning

type of gas used (propane/LP or natural gas)

purchase date

Usually, we will ask you to return the part to the factory.

PARTS NOT UNDER WARRANTY

Contact authorized dealers of this product. If they can’t supply original replacement part(s) call DESA International at 1-866-672-6040 for referral information.

When calling DESA International, have ready

model number of your fireplace

the replacement part number

BLACK

INCOMING

 

WHITE

120V AC

GREEN

(FUSE BOX

OR BREAKER)

ELECTRICAL RATING:

120v, 60Hz, 0.7A

For more information, visit www.desatech.com

108796-01D

Page 19
Image 19
Desa M36E, M42E, VM36E, VM42E, H) AND VM42E(B Service Hints, Technical Service, Wiring Diagram, Replacement Parts

M36E, M42E, VM36E, VM42E, H) AND VM42E(B specifications

Desa M36E, M42E, VM36E, VM42E(H), and VM42E(B) are advanced heating solutions engineered for enhanced performance and versatility in both residential and commercial settings. These models stand out for their efficient heating capabilities and innovative designs, which cater to a variety of heating needs.

The Desa M36E and M42E models offer a robust heating output, making them ideal for larger spaces. The M36E boasts a compact structure that accommodates small to medium areas, while the M42E provides greater output suitable for bigger rooms. Both units are equipped with high-efficiency burners that ensure optimal fuel utilization, leading to significant cost savings over time.

The VM36E and VM42E(H) models take efficiency to the next level. Their advanced combustion technology maximizes heat production while minimizing emissions, aligning with modern environmental standards. The VM36E features a versatile design, allowing it to seamlessly integrate into various décor styles, while providing a steady flow of warm air. Meanwhile, the VM42E(H) is enhanced with a hybrid heating system, enabling users to switch between energy sources, which adds to its adaptability in differing climates or situations.

The VM42E(B) model introduces an innovative breakthrough in heating technology by incorporating smart control features. Users can effortlessly regulate their heating preferences through a smartphone application, allowing for remote management and programming based on individual schedules. This smart technology not only enhances user convenience but also supports energy conservation by promoting efficient usage patterns.

All models come equipped with safety features such as automatic shut-off mechanisms, ensuring peace of mind during operation. The units are designed with durable materials, capable of withstanding prolonged use while maintaining aesthetic appeal.

In summary, Desa's M36E, M42E, VM36E, VM42E(H), and VM42E(B) represent the forefront of modern heating solutions, combining high efficiency, innovative technologies, and user-friendly features. Their diverse applications, coupled with intelligent design, ensure they meet the evolving demands of today's consumers while providing warmth and comfort in any setting.