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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 informa-

tion listed as follows:

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

LIMITED WARRANTY

All products manufactured by Marley Engineered Products are warranted against defects in workmanship and mate-
rials  for  one  year  from  date  of  installation,  except  heating  elements  which  are  warranted  against  defects  in  work-
manship 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 equip-
ment improperly installed or wired or maintained 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 limi-
tations  of this warranty, inoperative units should be returned to the nearest Marley authorized service center 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 DAM-
AGES ARISING WITH RESPECT TO THE PRODUCT, 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,
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 authorization, include all
catalog numbers shown on the products.

Part No. 5200-2147-004

10/01

8

ECR 34640

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

Summary of Contents for HUHAA520

Page 1: ...n accordance with the National and Local Electrical Codes and the heater must be grounded as a pre caution against possible electric shock 3 Verify the power supply voltage coming to heater matches th...

Page 2: ...thread ed rod sizes required Observe the detailed procedures in the following installation instructions The heater may also be suspended from the wall or ceiling by means of an optional mounting brack...

Page 3: ...und wire should be connected before other connections are made 6 The power terminal board is equipped with box terminals sized to accept the correct size power supply wire Wire rated at 600 V and 60 C...

Page 4: ...any other wiring The element lead wire marked B1 which is factory connected to the power termi nal block terminal located closest to the elements must be moved to terminal B on the three phase termin...

Page 5: ...D FOR SINGLE PHASE POWER FIELD WIRED FOR THREE PHASE POWER B 3 PHASE BLOCK FACTORY WIRED FOR SINGLE PHASE POWER C1 D1 D1 C1 C D B C D 3 PHASE BLOCK B 3 PHASE BLOCK FIELD WIRED FOR THREE PHASE POWER C1...

Page 6: ...AA MT 2 HUHAA MT 1 Figure 4 Control Terminal Board for Heaters Without Contactors Mounting Basic Model Height Width Depth Weight No in mm in mm in mm lbs kg Table 4 Specifications HUHAA320 HUHAA324 HU...

Page 7: ...TERNAL THERMOSTAT MHRT HEAT RECOVERY THERMOSTAT OR REMOTE FAN SWITCH MRFS 2 BLACK RED RED BLACK C R W1 W2 F2 F1 G TR T S S REMOTE SUMMER FAN SWITCH MRFS 1 FAN RELAY FOR MRFS 2 AMD MHRT SUMMER FAN SWIT...

Page 8: ...ould be returned to the nearest Marley authorized service center or the Marley Engineered Products Service Center and we will repair or replace at our option at no charge to you with return freight pa...

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