GSi FFI SCR Bedienungsanleitung

PNEG-1712

FFI SCR Replacement Kit

Installation Manual

PNEG-1712

Date: 05-22-15

2 PNEG-1712 FFI SCR Replacement Kit Instructions

All information, illustrations, photos and specifications in this manual are based on the latest

information available at the time of publication. The right is reserved to make changes at any

time without notice.

Table of Contents

PNEG-1712 FFI SCR Replacement Kit Instructions 3

Contents

Chapter 1 Introduction .......................................................................................................................................... 4

Read these Instructions before Installation and Operation ................................................................... 4

Chapter 2 Installation ............................................................................................................................................ 6

Replacing the Woods Board ................................................................................................................. 6

Vari-Trol Power Supply ......................................................................................................................... 7

Non Vari-Trol Power Supply .................................................................................................................. 8

Chapter 3 Setup Parameters ................................................................................................................................. 9

Maximum Potentiometer Adjustment .................................................................................................... 9

Minimum Potentiometer Adjustment ..................................................................................................... 9

Vari-Trol Calibration ............................................................................................................................ 10

Chapter 4 Warranty .............................................................................................................................................. 11

4 PNEG-1712 FFI SCR Replacement Kit Instructions

1. Introduction

Read these Instructions before Installation and Operation

FFI SCR Replacement Control Kit

The FFI SCR Replacement Control Kit is a service replacement package for the discontinued woods SCR

control boards installed on Farm Fans dryers from 1990 to 2007.

The FFI SCR Replacement Kit supersedes previous SCR kits and contains the necessary parts for

replacing the following SCR control boards:

1. 415-3621-0 SCR CONTROL 1 HP-WOODS W/54

2. 415-4563-3 SCR CONTROL 1/3 HP-WOODS W/54

3. 415-3019-7 SCR CONTROL 3/4 HP-WOODS

4. 415-2302-8 SCR CONTROL 3/4 HP-WOODS W/54

5. SCR-003 SCR CONTROL KIT WOODS

6. 056-1580-2 SCR MOTOR CONTROL-WOODS

Beginning in 1990, the woods SCR board was installed on all new CMS-H, CMS-J and M-Series dryers.

As of July, 1992, the woods SCR board was installed on all new CF/AB and CF/SA series dryers.

SCR All HP with Vari-Trol (D04-0551) SCR All HP without Vari-Trol (D04-0552)

CAUTION

To reduce the risk of electrical shock or damage to electrical components, turn

OFF and lock out the main power supply before performing any service or

maintenance work on the dryer.

Part # Description Qty U/M

098-1026-8 Wrapper, Nylon TY - 3-5/8" 1EA

D03-0013-BRK DIN Rail Mount Single Comp 3.9" 1 EA

D03-0854 Minarik SCR Drive 1EA

FH-6999 Insulator, 16 Gauge Insulator Crimp 1 EA

HH-1462 Nut, 16 Gauge Wire 2EA

PNEG-1712 FFI SCR Replacement Kit 1 EA

WR-16BLK Wire, 16 Gauge Stranded MTW Black 4FT

WR-18RED Wire, 18 Gauge Red Stranded

120-1032-8 3FT

WR-18WHT Wire, 18 Gauge White Stranded 3FT

WR-18YLW Wire, 18 Gauge Yellow Stranded 3 FT

GT3-0971 24 Volt Power Supply 1

70-0064 3 Amp Time Delay Fuse 2

E300-1003 5 Amp Fuse TD 2

GT3-1065 8 Amp Fuse MDA 2

Part # Description Qty U/M

098-1026-8 Wrapper, Nylon TY - 3-5/8" 1EA

D03-0013-BRK DIN Rail Mount Single Comp 3.9" 1 EA

D03-0854 Minarik SCR Drive 1EA

FH-6999 Insulator, 16 Gauge Insulator Crimp 1 EA

HH-1462 Nut, 16 Gauge Wire 2EA

PNEG-1712 FFI SCR Replacement Kit 1 EA

WR-16BLK Wire, 16 Gauge Stranded MTW Black 4FT

WR-18RED Wire, 18 Gauge Red Stranded

120-1032-8 3FT

WR-18WHT Wire, 18 Gauge White Stranded 3FT

WR-18YLW Wire, 18 Gauge Yellow Stranded 3 FT

D03-0805 Touch Control, 12 VDC Power Supply 1EA

70-0064 3 Amp Time Delay Fuse 2

E300-1003 5 Amp Fuse TD 2

GT3-1065 8 Amp Fuse MDA 2

1. Introduction

PNEG-1712 FFI SCR Replacement Kit Instructions 5

Figure 1A FFI SCR Replacement Board

Figure 1B Woods SCR Board (Discontinued)

6 PNEG-1712 FFI SCR Replacement Kit Instructions

2. Installation

Replacing the Woods Board

1. Disconnect the power to the circuit.

2. For ease of re-connection, record the colors and terminal numbers of all wires leading to the woods

board. Disconnect wiring and remove board. Mount the new SCR board in approximately the same

location, oriented as shown in Figure 1A on Page 5. Note that additional holes must be drilled into

the mounting surface using a 9/64" drill bit.

3. Mount the DIN Rail (D03-0013-BRK) next to the new SCR board if possible using a 9/64" drill bit.

Use the self-tapping screws to secure the DIN Rail to the panel. Snap the power supply (GT3-0971

or D03-0805) onto the DIN Rail.

4. Reconnect the wires as follows:

Previous Woods Terminal New SCR Terminal Previous Woods Terminal New SCR Terminal

L1 L1 1S3

L2 L2 (230) 2 S2

F1 F1 3S1

F2 F2 6 B1

A1 A1 7B3

A2 A2

2. Installation

PNEG-1712 FFI SCR Replacement Kit Instructions 7

Vari-Trol Power Supply

Install power supply on DIN Rail.

1. Connect 24 VDC (+) to wire 54

2. Connect 24 VDC (-) to SCR terminal S1

3. Connect L1 to wire 27

4. Connect N to wire 2

5. Connect G to ground

NOTE: It is very important on Vari-Trol systems to remove the jumper (if present) on the back of the

Honeywell moisture controller between terminals 4 and ground. Failure to do so will result in

premature failure of components.

Figure 2A Wiring Diagram for Dryers with Vari-Trol (has 54 Wire and Autorange Module)

2. Installation

8 PNEG-1712 FFI SCR Replacement Kit Instructions

Non Vari-Trol Power Supply

Install power supply on DIN Rail.

1. Connect 12 VDC (+) to SCR terminal S3

2. Connect 12 VDC (-) to SCR terminal S1

3. Connect L1 to wire 27

4. Connect N to wire 2

5. Connect G to ground

Figure 2B Wiring Diagram for Dryers with Non Vari-Trol (no 54 Wire)

PNEG-1712 FFI SCR Replacement Kit Instructions 9

3. Setup Parameters

Maximum Potentiometer Adjustment

With dryer unload circuit energized, set the SCR speed control knob on the ASC panel to 100%. Using

a small blade screwdriver, adjust the maximum potentiometer to obtain 180 VDC across the DC motor

armature terminals A+ and A- on the new SCR board. (NOTE: Some early M-Series dryers were designed

to operate with a 175 VDC armature voltage. Consult the factory if there is any question regarding these

early models.)

Minimum Potentiometer Adjustment

Set the SCR speed control knob on the ASC panel at the 10% setting. Adjust the minimum potentiometer

to obtain 18 VDC across the DC motor armature terminal A+ and A-.

Recheck the maximum potentiometer setting and readjust if necessary. Repeatand readjust the minimum

potentiometer if necessary. Rechecking the maximum and minimum potentiometer settings once should

be sufficient.

3. Setup Parameters

10 PNEG-1712 FFI SCR Replacement Kit Instructions

Vari-Trol Calibration

“OUT HI” will need to be set to 80. Refer to Figure 3A for instructions.

Figure 3A

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