Installation Guide

6
DEH 3000/R Installation Instructions
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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/Randtheterminallabeled“DMP”ontheDEH3000/R(Page13).Leavethe“DMP”terminalunusedif
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 Dehumidication
(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 Dehumidication
(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
systemwithdehumidierfanoperation.
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