Product Overview

ManualsBrandsICM Controls ManualsFan Blower ControlsFan Blower Control - Dual On/Off Delay Timer (Fixed Time Delay) w/ Post Purge

ICM256

AN BLOWER POST PURGE TIME DELAY

LIS263-1

• Dual Function 7 Second ON Delay /

65 Second OFF Delay

• Speed Up Terminals For Test Mode

• Fuse Protected Control Voltage

• High Power Relay Output

Features

Mode of Operation

Upon application of power to the G terminal, the ICM256

recognizes a call for the blower and a 7 second delay on make

period begins. After the 7 second ON delay, the control energizes

the blower motor. Upon removal of power from the G terminal, the

board will keep the blower on for an additional 65 seconds. At the

end of the 65 second OFF delay, the blower will shut off.

Replaces

Goodman PCBFM 103, PCBFM103S

Speciﬁcations

Input

• Control Voltage: 18-30 VAC

• Frequency: 50/60 Hz

Output

• Type: Relay

• Form: SPST N.O.

• Rating: 25 amps @ 240 VAC

Time Delays

• ON Delay: 7 seconds

• OFF Delay: 65 seconds

Speed Up Options

• Speed up to C = Reduced delay (3 sec. ON, 5 sec. OFF)

• Speed up to R = No delay

Environmental

• -20°F to 200°F

• 5% to 95% non-condensing

Fan post purge timer to

control circulating fan in

forced air systems

Wiring Diagram

XFMR-C

G SPEED UP

Thermostat

VAC

System

XFMR

M2 M1

XFMR-R

COM

park park

Optional Speed Up

L2L1

Summary of content (1 pages)

PAGE 1
ICM256 F AN B LOWER P OST P URGE T IME D ELAY Fan post purge timer to control circulating fan in forced air systems Features • Dual Function 7 Second ON Delay / 65 Second OFF Delay • Speed Up Terminals For Test Mode • Fuse Protected Control Voltage • High Power Relay Output Mode of Operation Specifications Input • Control Voltage: 18-30 VAC • Frequency: 50/60 Hz Upon application of power to the G terminal, the ICM256 recognizes a call for the blower and a 7 second delay on make period begins.