Installation Guide
6
DEH 3000/R Installation Instructions
www.Broan-Nutone.com | 800.558.1711
The White wire controls the optional motorized damper that can be installed into a fresh air duct. This
damper provides the ability to control fresh air ventilation using the ventilation timer function of the DEH
3000/Randtheterminallabeled“DMP”ontheDEH3000/R(Page13).Leavethe“DMP”terminalunusedif
a motorized damper is not used.
WIRING
WARNING!
ONLY CONNECT THE DMPR TERMINAL TO THE CONTROL IF IT IS WIRED IN A CIRCUIT
THROUGH AN ELECTRIC DAMPER, OTHERWISE TRANSFORMER DAMAGE MAY RESULT.
Standard Wire Colors for Thermostats:
24VAC Red R
Call for Heat White W or W1
Force Fan On Green G
Compressor
Call for Cooling Yellow Y or Y1
Terminal Block Control Operation:
Terminal Function Version 1:
COM 24Vac Power Transformer Neutral Side
FAN Fan Control
24V Transformer High Side
DEHU Dehumidication
(Fan and Compressor) Control
DMPR 24Vac Power Transformer Neutral Side
* Spare Terminal (Open)
Terminal Function Version 2:
COM 24Vac Power Transformer Neutral Side
FAN Fan Control
24V Transformer High Side
DEHU Dehumidication
(Fan and Compressor) Control
FLOAT External low voltage oat switch or water
sensor (use normally closed switch)
FLOAT External low voltage oat switch or water
sensor (use normally closed switch)
NO
COM
NC
Auxiliary Relay Operation
It may be desirable to coordinate fan
operation of the central heating/cooling
systemwithdehumidierfanoperation.
The DEH 3000/R contains a relay that
provides this ability.
The relay terminals labeled NC, COM and
NO operate according to the following chart:
FAN COM to NO COM to NC
ON CONNECTED OPEN
OFF OPEN CONNECTED