Instructions / Assembly

ManualsBrandsModine ManualsHeater AccessoriesHot Dawg H2O 45

1-500

5H081501

October, 2010

INSTALLATION AND SERVICE MANUAL

HOT DAWG H

- Low Profile Hot Water Unit Heater

Model HHD

THIS MANUAL IS THE PROPERTY OF THE OWNER.

PLEASE BE SURE TO LEAVE IT WITH THE OWNER WHEN YOU LEAVE THE JOB.

General Information

Installation and service instructions in this manual are

applicable to model HHD, low profile hot water unit heaters,

which should be installed in their proper applications for their

most effective function as heating units.

The water coils are warranted for operation at water pressures

up to 150 psi and temperatures up to 200°F.

Motors are designed for continuous duty. They can operate in

a maximum ambient temperature of 104°F (40°C).

The unit heaters are listed by ETL as certified. Units not

approved for use in potable water systems.

Table of Contents

General Information……………………………………..

Inspection on Arrival…………………………………….

Special Precautions……………………………………..

SI (Metric) Conversion Factors………………………...

Installation

Unit Location…………………………………………

Unit Mounting………………………………………..

Hot Water Piping…………………………………….

Electrical Connections………………………………

Start-Up Procedure

Prior to Operation……………………………………

Initial Start-Up………………………………………..

Typical Sequence of Operation……………………

Troubleshooting……………………………………..

Unit Data

Dimensions…………………………………………..

Electrical Data……………………………………….

Mechanical Data…………………………………….

Performance Data…………………………………...

Maintenance/Replacement Parts……………………...

Warranty………………………………………………….

4-5

Inspection upon Arrival

1. Inspect unit upon arrival. In case of damage, report

immediately to transportation company and your local

factory sales representative.

2. Check rating plate on unit to verify that the power supply

meets available electric power at the point of installation.

3. Inspect unit received for conformance with description of

product ordered (including specifications where

applicable).

Note: Modine Manufacturing Company has a continuous

product improvement program, and therefore reserves the right

to change design and specifications without notice.

WARNING

Improper installation, adjustment, alteration,

service or maintenance can cause property

damage, injury or death. Read the installation,

operating and maintenance instructions

thoroughly before installing or servicing this

equipment.

IMPORTANT

The use of this manual is specifically intended

for a qualified installation and service agency. A

qualified installation and service agency must

perform all installation and service of these

appliances.

Summary of content (12 pages)

PAGE 1
-500 5H081501 October, 2010 INSTALLATION AND SERVICE MANUAL HOT DAWG H2O® - Low Profile Hot Water Unit Heater Model HHD WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment. IMPORTANT The use of this manual is specifically intended for a qualified installation and service agency.
PAGE 2
SPECIAL PRECAUTIONS THE INSTALLATION AND MAINTENANCE INSTRUCTIONS IN THIS MANUAL MUST BE FOLLOWED TO PROVIDE SAFE, EFFICIENT, AND TROUBLE-FREE OPERATION. IN ADDITION, PARTICULAR CARE MUST BE EXERCISED REGARDING THE SPECIAL PRECAUTIONS LISTED BELOW. FAILURE TO PROPERLY ADDRESS THESE CRITICAL AREAS COULD RESULT IN PROPERY DAMAGE OR LOSS, PERSONAL INJURY, OR DEATH. THESE INSTRUCTIONS ARE SUBJECT TO ANY MORE RESTRICTIVE LOCAL OR NATIONAL CODES. CAUTION 3. 4. 5. HAZARD INTENSITY LEVELS 1.
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INSTALLATION – UNIT LOCATION Units must not be installed where they may be exposed to potentially explosive or flammable atmosphere. CAUTION 1. 2. 3. 4. All literature shipped with this unit should be kept for future use for servicing or service diagnostics. Leave manual with the owner. Do not discard any literature shipped with this unit. Consult piping and electrical instructions in this manual before final installation.
PAGE 4
INSTALLATION – UNIT MOUNTING 3. CAUTION Do not install units below 7' measured from the bottom of the unit to the floor in commercial applications (unless unit is properly guarded to provide user protection from moving parts) and 5' measured from the bottom of the unit to the floor in residential applications. IMPORTANT When mounting the unit to the joists, do not compress the vibration isolators by over tightening the lag bolt screws into the joist.
PAGE 5
INSTALLATION – UNIT MOUNTING Figure 5.1 Bracket Installation for Vertical Air Delivery Figure 5.2 Model HHD Mounting Orientations Bracket Orientation for 10” or 12” Deep Joists 16" O.C. Horizontal Air Delivery, Perpendicular to Joists 16" O.C. e For 10” or 12” Deep Joists f 11.98 Speed Control (Model Size 45 Only) g Horizontal Air Delivery, Parallel to Joists 16" O.C. h c d Bracket Orientation for 12” Deep Joists 11.
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INSTALLATION – HOT WATER PIPING / ELECTRICAL CONNECTIONS HOT WATER PIPING ELECTRICAL CONNECTIONS CAUTION 2. 3. 4. Units are designed for use in heating applications with ambient temperatures between 40°F and 100°F. Heaters should not be used in applications where the heated space temperature is below 40°F unless a glycol anti-freeze solution has been added. Units not approved for use in potable water systems. Do not reuse any mechanical or electrical components which have been wet.
PAGE 7
START UP PROCEDURE / TROUBLESHOOTING START-UP PROCEDURE INITIAL START-UP IMPORTANT 1. 2. 3. Start-up and adjustment procedures should be performed by a qualified service agency. No water-flow can cause a freeze condition resulting in damage to the coil. Never leave the unit filled with water in a building without heat unless a glycol solution has been added. PRIOR TO OPERATION 1. 2. 3. 4. 5. 6. 7. 8. 9. Check that all the electrical connections are tight.
PAGE 8
DIMENSIONS / ELECTRICAL & MECHANICAL DATA Figure 8.1 – Dimensions (inches) 34.00 32.00 0.50 6.00 MINIMUM DISTANCE TO WALL (BOTH SIDES) 11.46 SPEED CONTROL (MODEL SIZE 45 ONLY) 31.60 17.50 17.50 16.00 16.00 O .85 CONDUIT ENTRANCE 2.92 2.00 1.62 1.42 2.88 x 6.25 ELECTRICAL ACCESS DOOR 14.34 2.25 1/2"-14 NPT PIPING CONNECTIONS RIGHT SIDE VIEW LEFT SIDE VIEW Note: Mounting point spacing on brackets based on joist spacing 16” on-center. Table 8.
PAGE 9
PERFORMANCE DATA Table 9.1 – Performance Data cd Entering Water Temperature (60°F Entering Air Temperature) Model Size 30 GPM WPD (ft. Water) 405 1 2 3 4 5 710 (High Speed) Airflow CFM 45 425 (Low Speed) 120°F Btu/Hr WTD 140°F Btu/Hr WTD 160°F Btu/Hr WTD 180°F Btu/Hr WTD 200°F Btu/Hr WTD 0.6 2.2 4.7 7.9 12.
PAGE 10
MAINTENANCE / REPLACEMENT PARTS MAINTENANCE REPLACEMENT PARTS WARNING For ease of identification when ordering replacement parts or contacting the factory about your unit, please quote the Unit Type and unit Serial Number. This information can be found on the serial plate attached to your unit (see Figure 6.1 and Figure 10.2). When servicing or repairing of this equipment, use only factory-approved service replacement parts.
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COMMERCIAL WARRANTY Seller warrants its products to be free from defects in material and workmanship, EXCLUSIVE, HOWEVER, of failures attributable to the use of materials substituted under emergency conditions for materials normally employed.