User Guide

Table Of Contents

Function and Controls

Basic Functions

Speed control is obtained by powering 24V to one of the

designated speed taps.

Example:

A jumper between the R terminal and the

G terminal will result in

low

speed operation.

Setup

Select appropriate operational speed by installing the

jumper wire between one of the designated speed taps.

(A jumper wire is factory installed in the low speed posi-

tion.)

Note:

It is recommended to use the optional speed control Part

# 99-500 in order to obtain 3 speed fan control.

SPEED JUMPER

High

R W

Medium

R Y

Low

R G

Optional 3 Speed Control (Part #99-500)

Connect to R, W, Y and G on Thermostat

Optional 20/40/60 Minute Timer

Part# 99-DET01

 Boost unit to Ventilation Mode for 20,

40, 60 minutes (no speed change).

 Connect up to 4 maximum

 Connect to Yellow, Red & Green

Refer to “Connecting Optional

Control” in this manual for instruc-

tions on connecting the optional Life-

breath Ventilation Control

(Part# 99-BC02) and optional Life-

breath Dehumidistat (Part# 99-DH-01)

Connect to Yellow, Red & Green

Jumper wire place-

ment on micropro-

cessor board