7800 SERIES
203968A 13 Vdc Power Supply
PRODUCT DATA
FEATURES
• Direct plug-in convenience.
• Three-conductor grounded connector.
APPLICATION
The 203968A 13 Vdc Power Supply provides 13 Vdc power for
remote mounting of the 7800 SERIES S7800 Keyboard Display
Module. The 203968A is a plug-in unit for use with standard 120
Vac outlets. Up to two Keyboard Display Modules can be
powered by one 203968A 13 Vdc Power Supply.
SPECIFICATIONS
APPROXIMATE DIMENSIONS
OPERATING TEMPERATURE RANGE
+32° F to +104° F (0° C to +40° C).
13
2
(56)
64
LINE
ELECTRICAL CHARACTERISTICS
Input: 120 Vac nominal, 60 Hz, 350 mA.
Output: 13 Vdc.
Dielectric Strength: 1500V rms, 1 minute.
15
32
(12)
1
4
(31)
1
13
(11)
32
5
(16)
8
7
(6)
32
1/16 (2) X 1/4 (6) X 5/8 (16)
PRONG (2)
3/16 (5) X 27/32 (21)
MAX. GROUND PIN
IMPORTANT
All wiring must agree with local codes and
ordinances.
31
1
32
(50)
IDENTIFICATION PLATE
WARNING
Electrical Shock Hazard.
Can cause serious injury or
death and damage equipment.
Disconnect power supply or turn off power source
before making wiring connections. More than one
disconnect may be involved.
No. 6-32 BEVELED
HEAD SCREW (4)
7
(6)
32
M3121
APPROVAL BODIES
Underwriters’ Laboratories Inc. listed, No. 38H3 (203968A).
1
7
(48)
8
Fig. 1. Approximate dimensions of 203968A
Power Supply in in. (mm).
Copyright © 1998 Honeywell Inc. • All Rights Reserved
65-0116-3
7800 SERIES 203968A 13 VDC POWER SUPPLY
INSTALLATION
Select a location convenient to both a 120 Vac plug-in socket
and the Keyboard Display Module.
WIRING
Using 18 AWG wire, connect +13 Vdc from the 203968A13
Vdc Power Supply to the power input connector (4/+13 Vdc)
on the Keyboard Display Module and COM to the common or
3(c) connector on the Keyboard Display Module. Connect
GND to earth ground. Plug the 203968 into the 120 Vac outlet
and restore the power. See Figure 2.
b
2
c
3
RESET
a
1
+13V
S7800 KEYBOARD
DISPLAY MODULE
4
5
SPARE
COM
LINE
+13V
GND
M3122
Fig. 2. Power Supply Wiring Connections.
Home and Building Control
Honeywell
1985 Douglas Drive North
Minneapolis MN 55422-4386
Home and Building Control
Honeywell Limited/Honeywell Limitée
35 Dynamic Drive
Scarborough, Ontario
M1V 4Z9
Honeywell Latin American Region
480 Sawgrass Corporate Parkway
Suite 200
Sunrise FL 33325
Honeywell Europe S.A.
3 Avenue du Bourget
1140 Brussels
Belgium
65-0116—3 G.R. Rev. 11-98
XX-XXXX
Printed in U.S.A. on recycled
paper containing at least 10%
post-consumer
2 paper fibers.
Honeywell Asia Pacific Inc.
Room 3213-3225
Sun Hung Kai Centre
No. 30 Harbour Road
Wanchai
Hong Kong
www.honeywell.com/yourhome