background image

FAN AND MOTOR

PROTECTIVE GRILL

Figure 9

Mounting Height, ft. (mm)

Min. Distance from

BTU per

Contactor

Vertical Installation

Horizontal Installation

Horizontal Air

Mounting Hole to

Heater Rating and Voltage

Hr.

Phase

Built-in

Min.

Max.

Min.

Max.

Throw, ft. (mm)

Wall, in (mm)

*5000 W @ 240V

17,065

4165W @ 240V

14,215

1

No

6’

11’

6’

8’

18’

**13”

3332W @ 240V

11,365

(1829)

(3353)

(1829)

(2438)

(5472)

(330)

2500W @ 240V

8,533

*3750W @ 208V

12,799

3123W @ 208V

10,659

1

No

6’

11’

6’

8’

18’

**13”

2500W @ 208V

8,533

(1829)

(3353)

(1829)

(2438)

(5472)

(330)

1874W @ 208V

6,396

*Heater is shipped from factory wired for these wattages. Heater can be field adjusted to the other wattages (Refer to “Adjusting the Heat Output” on page 4.)
**48" (1219 mm) when heater air flow is between 45° downward and vertical.

SPECIFICATIONS

HOW TO ORDER REPAIR PARTS

In order to obtain any needed repair or replacement parts, warranty service

or technical information, please contact Marley Engineered Products Service

Center toll-free by calling  1-800-642-HEAT. 

When ordering repair parts, always give the information listed as follows:

1. The Model Number
2. The Part Description
3. Date of Manufacture

LIMITED WARRANTY

All products manufactured by Marley Engineered Products are warranted against defects in workmanship and materials for one year from date of installation, except
heating elements which are warranted against defects in workmanship and materials for five years from date of installation. This warranty does not apply to damage from
accident, misuse, or alteration; nor where the connected voltage is more than 5% above the nameplate voltage; nor to equipment improperly installed or wired or main-
tained in violation of the product’s installation instructions. All claims for warranty work must be accompanied by proof of the date of installation.

The customer shall be responsible for all costs incurred in the removal or reinstallation of products, including labor costs, and shipping costs incurred to return products
to Marley Engineered Products Service Center. Within the limitations of this warranty, inoperative units should be returned to the nearest Marley authorized service cen-
ter or the Marley Engineered Products Service Center, and we will repair or replace, at our option, at no charge to you with return freight paid by Marley. It is agreed that
such repair or replacement is the exclusive remedy available from Marley Engineered Products.

THE ABOVE WARRANTIES ARE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED. AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE AFORESAID EXPRESSED WARRANTIES ARE HEREBY DISCLAIMED AND EXCLUDED FROM
THIS AGREEMENT. MARLEY ENGINEERED PRODUCTS SHALL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES ARISING WITH RESPECT TO THE PROD-
UCT, WHETHER BASED UPON NEGLIGENCE, TORT, STRICT LIABILITY, OR CONTRACT.

Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you. This warranty
gives you specific legal rights, and you may also have other rights which vary from state to state.

For the address of your nearest authorized service center, contact Marley Engineered Products in Bennettsville, SC, USA, at 1-800-642-4328. Merchandise returned to
the factory must be accompanied by a return authorization and service identification tag, both available from Marley Engineered Products. When requesting return autho-
rization, include all catalog numbers shown on the products.

Part No: 5200-2297-000

SWO 311

07/96

SIDE VIEW

MOUNTING

LOCATION

5

1

/

2

 in.

(165 mm)

1

/

2

 in., 

3

/

4

 in. (2)

(12.7 mm, 19.1 mm)

1

3

/

4

 in.

(44.5mm)

14 in. (356 mm)

12

1

/

2

 in.

(318 mm)

FRONT VIEW

11

1

/

4

 in.

(286 mm)

MINIMUM
DISTANCE

TO WALL

13 in.

(330.2 mm)

Dimension Data

HEATING ELEMENT

Figure 8

SPX Corporation
470 Beauty Spot Rd. East
Bennettsville, SC  29512 USA

4

Summary of Contents for MWUH

Page 1: ...ceiling clearance requirements 4 All wiring must conform to national and local electrical codes and the heater must be grounded as a precaution against possible electrical shock Heater circuit must be protected with proper fuses See Table 1 on page 3 5 The mounting structure and the anchoring hardware must be capable of reliably supporting the weight of the heater and if used the mounting bracket ...

Page 2: ... You will need the following hardware for installation Enough 10 ga min insulated copper conductor with ground wire to run power from the breaker fuse to the heater Only use copper wire rated at least 60 C Do not use aluminum wire with this unit Proper size fuses or circuit breakers in accordance with the National Electrical Code Also see Table 1 page 3 Wood Screw 3 8 x 2 9 5 mm x 50 mm Lag bolts ...

Page 3: ...gned so they can not be complete ly closed Do not attempt to defeat this feature damage to the unit can result ADJUSTING HEAT OUTPUT Heat output can be increased or decreased by switching wires at the wattage change terminal board The heater is factory wired to deliver a heat output of 17 065 BTU per hour Should your particular application require less heat output refer to Table 1 and change the w...

Page 4: ...for all costs incurred in the removal or reinstallation of products including labor costs and shipping costs incurred to return products to Marley Engineered Products Service Center Within the limitations of this warranty inoperative units should be returned to the nearest Marley authorized service cen ter or the Marley Engineered Products Service Center and we will repair or replace at our option...

Reviews: