Chromalox 2104 Manuale Utente Scaricare il pdf (Pagina 14)

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User Instructions

Electrical

Installation

1. Hazard of electric shock. The heat transfer system must be

grounded using grounding means provided in control box

and employing wiring by a qualified electrician in

accordance with National Electric Code. Failure to comply

can result in electrical shock or electrocution.

2. Hazard of electric shock. Disconnect all power before

servicing the heat transfer system. Failure to comply can

result in electrical shock or electrocution.

Fusing or other over-current protection must be supplied to the

system by the user.

The unit is completely wired when shipped. The only wiring

necessary is to the blue colored terminals L1, L2, L3, and the

green-and-yellow colored ground. To make these connections:

WARNING

Figure 2.5

Power Connection Terminals

1. Loosen the screw on the front electrical enclosure door to

unlock the latch.

2. Open the front electrical enclosure door. Using 90°C wire

sized per National and local codes, run each leg of the three

phase supply power and ground to the appropriate terminals

as shown in Figure 2.5.

3. A separate fused disconnect is required. Locate this fused

disconnect near the equipment. Codes may require the

location of disconnect in sight of operator standing next to

the equipment. Consult applicable codes for details.

Control Voltage fuse

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Chromalox 2104 Manuale Utente Pagina 14