TELEPHONE ENTRY SYSTEM HEATER KIT
Installation
Heater
Thermostat
Power
Transformer
DoorKing Part Number
120 Glasgow Avenue
Inglewood, California 90301
U.S.A.
2600-518-B-6-13
Copyright 2013 DoorKing, Inc. All rights reserved.
2600-584
This kit is designed for DoorKing Telephone Entry Systems. For cold weather climates where temperatures routinely drop below
40°F (4°C). The thermostat will automatically control the temperature inside operator housing.
This is a typical installation shown for a surface mount telepnone entry system. The heater and thermostat are mounted in the flush
mount and wall mount units in the same relative positions.
Use center screw
and washer to
secure transformer
in place as shown.
D
OOR
K
I
N
G
1
4
9
1
-0
1
0
C
O
N
T
R
A
S
T
16AC16ACBA
T
1NO1NC
1C
2R
Y
2CAZIMC
5V
DC
IMD
S
P
K
R
C
OM
MIC
PSW
C
GND
P
H
ON
E
HOT
Anti-Grounding Plate
12 VAC
40 VA
Output
120 VAC power inputs
with center screw connections.
Wire polarity
does not matter
Attach the thermostat on the side near the bottom of
the cabinet as far from heater as possible. DO NOT
position the thermostat right next to the heater.
Built-in magnets will secure thermostat in place.
Thermostat will automatically turn heater on at
approximately 40°F (4°C) and off at 55°F (12°C).
Note: Transformer is for indoor use
and MUST be in a protected enclosure
from weather when using outdoors.
Up to 100 feet, use 18 AWG - 600 volt insulated wire.
Up to 200 feet, use 16 AWG - 600 volt insulated wire.
DO NOT run heater power wires over 200 feet or use
smaller wire than specified. Route wires to avoid
contact with the resistors on the telephone entry
system control board.
Attach the heater to the top of the cabinet. Built-in magnets
will secure heater in place.
The heater gets VERY HOT, DO NOT allow existing
components or wires to come in contact
with the metal heater housing.
Separate Telephone
Entry System’s Power
Important: DO NOT power the
heater with the telephone entry
system’s 16.5 VAC 20 VA power
transformers.
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