DriSteem Vapor-Logic Installation Guide download pdf (Page 10)

VAPOR-LOGIC

CONTROL CABINET INSTALLATION

The VAPOR-LOGIC control board is shipped mounted

with all internal wiring completed within a control

cabinet. All software has been custom programmed into

your VAPOR-LOGIC system according to the original

order requirements. Refer to the

VAPOR-LOGIC control board drawing for detail of the

board and connection points. (See figure 14-1 on page

14.)

The VAPOR-LOGIC control board should always be

wired following local electric codes. VAPOR-LOGIC is

transformer provides a 24 VAC supply, and is protected

by an integral manual reset circuit breaker.

All humidifier power wiring is represented on the

humidifier wiring diagram.* Follow field wire torque

requirements shown on the humidifier wiring diagram

when connecting the power and control wiring inside

the humidifier control cabinet. Additional precautions

about VAPOR-LOGIC control board connections are:

• Use 3 mm straight blade screwdriver on

VAPOR-LOGIC control board terminal blocks.

• DRI-STEEM recommends a single 1.0 mm

pre-tinned wire in each terminal at the

VAPOR-LOGIC terminal block. Torque to 0.1 Nm.

• When terminating multiple wires to VAPOR-LOGIC

control board terminal blocks, DRI-STEEM

recommends securing the multiple wires and one

additional wire with appropriately sized wire nut. Use

the single additional wire's opposite end to connect to

the VAPOR-LOGIC terminal block.

• Never run control system wires bundled with, or in

the same conduit as, power wires.

• Pick a location that will allow for easy access to the

control cabinet and internal electrical components.

Mount control cabinet using the mounting tabs.

IMPORTANT: Locate the control cabinet so that

wire lengths are 15 metres or less to the

humidifier.

*A wiring diagram and installation guide is attached to

the inside of control cabinet door. All instructions

should remain with the control cabinet after

installation.

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DriSteem Vapor-Logic Installation Guide Page 10

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