Marley Engineered Products A Spécifications télécharger pdf (Page 2)

ASSEMBLY INSTRUCTIONS

The DH is shipped fully assembled. The handle is assembled in

the lower position (dotted line Fig. 1). To position handle in the

upright position, remove bolts securing the handle to the support

legs, lift handle until the handle holes line up with the upper holes

in the support legs and insert bolts to secure the handle in the full

upright position.

WIRING INSTRUCTIONS

1. Use heater only on the voltage and frequency specified on

the nameplate.

2. All wiring should be done in accordance with local codes and

the National Electrical Code by a qualified person.

3. Branch circuit wire for connection to heater must be at least

90°C wire.

4. The top access panel is secured by 4 screws that must be

loosened to gain access.

5. A ground terminal is provided near the power terminal board.

The ground wire should be connected before other

connections are made.

6. Refer to Chart A for proper size “SO” grade cable.

7. A proper strain relief must be used with “SO” grade cable.

8. Dragon heaters are factory pre-wired for 3-phase delta

operation. Some units can be converted to single phase

operation by changing the wiring. Refer to Chart A for those

heaters that can be converted to single phase. The

appropriate wiring diagram is also located on the back of the

wiring compartment cover.

Risk of fire. Do not use as a residential or household heater.

WARNING

Hazard of Fire or Discoloration of Temperature Sensitive

Fabrics. Do not use as a residential or household heater. Keep

combustible material and such fabrics away from heater. Do

not operate heater where flammable vapors, gases or liquids

are present. Heaters in the heat mode should not be operated

in room temperatures above 80°F. Fan motor is not designed

to operate in ambients below -40°F.

To avoid personal injury read “IMPORTANT INSTRUCTIONS”

before installation or operation of heater.

WARNING

Keep electrical cords and combustible materials, such as

drapes and other furnishings, away from heater.

WARNING

Bolt ( )

Nut ( )

Support Leg

Handle

Direction of

Airflow

Figure 1

ELECTRIC SHOCK HAZARD. Disconnect all power before

installing or servicing heater. Failure to do so could result in

personal injury or property damage. Heater must be effectively

grounded in accordance with the National Electrical Code,

NFPA 70.v

WARNING

Fits Cable Dia. Plug Type Model Description Volts Amps Configuration NEMA # ANSI #

.385”-.780” Locking LPS25124 3 Pole, 4 Wire 250 20 L15-20 C73.85

.385”-.780” Locking LPS25103 3 Pole, 4 Wire 250 30 L15-30 C73.86

.595”-1.150” Locking LPS25104 3 Pole, 4 Wire 480 30 L16-30 C73.88

.595”-1.150” Locking LPS25084 3 Pole, 4 Wire 600 30 L17-30 C73.89

.750”-1.125” Locking LPS25083 2 Pole, 4 Wire 600 50 — —

.750”-1.125” Locking LPS25064 3 Pole, 4 Wire 600 50 — —

.625”-1.187” Non Locking NPS25650 2 Pole, 3 Wire 250 50 6-50 C73.53

.390”-.775” Non Locking NPS1520 3 Pole, 4 Wire 250 20 15-20 C73.59

.750”-1.250” Non Locking NPS1550 3 Pole, 4 Wire 250 50 15-50 C73.61

Plug Specifications

WIRING 25 FT OPTIONAL PLUGS

MODEL DIAGRAM SHIP WIRE CORD LOCKING NON-LOCK

NUMBER KW VOLTS BTUH PH AMPS NUMBER WT. SIZE SET TYPE TYPE

DH1021C* 10 240 34,120 1 41.7 N/A 65 lbs N/A Included* - Included

DH0783 7.5 208 25,590 1 36.3 1A 65 lbs 8/3 CS25083 - NPS25650

3 21 1 10/4 CS25104 LPS25103 NPS1550

DH1023 10 240 34,120 1 40.8 1A 65 lbs 6/3 CS25063 - NPS25650

3 23.6 1 10/4 CS25104 - NPS1550

DH1583 15 208 51,180 3 41.8 1 65 lbs 6/4 CS25064 - NPS1550

DH1523 15 240 51,180 3 36.3 1 65 lbs 8/4 CS25084 - NPS1550

DH1521 15 240 51,180 1 62.5 1A 65 lbs 4/4 CS25044 - NPS1550

DH1543 15 480 51,180 1 31.4/18.2 2A 65 lbs 8/3 CS25083 LPS25083 -

3 2 12/4 CS25124 LPS25104 -

DH2043 20 480 68,240 1 41.6/24.4 4A 75 lbs 6/3 CS25063 LPS25083 -

3 4 10/4 CS25104 LPS25084 -

DH3043 30 480 102,360 3 36.3 4 75 lbs 6/4 CS25064 LPS25064

DH3063 30 600 102,360 3 29.1 4 75 lbs 8/4 CS25084 LPS25084

*Model DH1021C is shipped with 10 ft. power cord and plug.

Note: All units are factory wired for 3 phase operation. Models designated 1 and 3 phase can be field wired for single phase operation.

Chart A

1 2 3 4

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