Replacement Wiring
If using the ST9100 to replace other Honeywell Timers, the equivalent wiring terminations are shown in the tables below.
ST6100A, ST6100C L N 1 2 4
* ST9100A, ST9100C L N 1 2 4
* Note: ST6100S1000 should be replaced by ST9100S.
If ST9100A or ST9100C are used for replacing ST6100S, please refer to Honeywell for wiring details.
The Service Timeout feature will not be available in this case, and wiring may have to change, depending on the application.
ST7000B L - - 2 3
** ST9100 L N 1 Link to terminal L 2 4
** Note: A permanent mains supply must be provided for the ST9100 Timer.
Replacing Other Manufacturers’ Time Controls
ST9100 Timers will mount directly onto many existing manufacturers’ back-plates, without the need for re-wiring. However, they are also supplied
complete with a wiring back-plate, should this not be the case.
Refer to Honeywell for wiring conversion diagrams. (see Wiring Guide document EN3H 2393 UK01)
Completion Checklist for Installation
1. Check unit powers up correctly, and that the display does not remain blank.
2. Set operating mode to AUTO and switch on and off using the OVERRIDE button, to ensure the system is operating correctly.
3. Check the factory-set day, date, and time are correct and adjust if necessary. Refer to the User Guide for details.
4. If required, enter Installer Mode and adjust Installer Parameters to match the lifestyle and needs of the User. Remember to make a note of these
parameter changes in the Configuration Data section of the User Guide.
5. Explain the operation of the product to the User and help them to set their programme. There are 3 built-in profiles that can be used as a basis
for a typical User programme.
6. If required, attach the self-adhesive programme guide label to the underside of the cover flap. The label is supplied in the box and requires to be
peeled away from the backing material before use.
7. Explain when the User should contact someone to arrange a Service Visit.
8. Write the date of installation, your name and telephone number in the space provided in the User Guide, in the section ‘Boiler & System Service
Log’
9. Remember to leave the User Guide and Installation Instructions with the User and remind them to keep them in a safe place. This forms part of a
Home Information Pack.
ST9100A & ST9100C Timer
INSTALLATION INSTRUCTIONS
Introduction
ST9100 is an Electronic Timer which provides accurate time control for
central heating systems and other applications. ST9100A is a 1-day
version and ST9100C is a 7-day version.
ST9100 is suitable for replacing a wide range of Timers on the market,
and is a direct replacement for Honeywell ST6100 Timers without the
need for re-wiring.
ST9100 Timers can be combined with other Honeywell controls such as
Room Thermostats, Cylinder Thermostats, Wiring Centres and Zone or
Diverting Valves to form a fully automatic central heating control system.
Mounting
If the ST9100 is replacing an existing ST6100 then the existing wall-plate
and wiring may be used, subject to any required electrical checks.
The Timer should be mounted at a level where the display can be seen
clearly, (1.2 to 1.5m from the floor) and the ambient temperature is
within the range of 0 to 40°C. The ST9100 is for use in normal domestic
environments.
CAUTION
Isolate power supply and make safe before wiring the unit to prevent
electric shock and equipment damage. Installation should be carried
out by a qualified electrician or competent heating engineer.
Specification
Power Supply: 230V~, 50…60Hz, 10W
Switch Action: 1 x SPDT, potential free
Switch Rating: 230V~, 50…60Hz, 3(3)A max, 10mA at 12 Vdc minimum
Factory set clock
Power Reserve: lifetime battery
Programmes/Settings: permanently stored in NV RAM
Approvals: Conforms to protection requirements of
Mounting Options
Directives 2006/95EC and 89/336EC
RECOMMENDED CLEARANCE DISTANCES:
ABOVE WALLPLATE: 110mm
BELOW WALLPLATE: 100mm
LEFT/RIGHT OF WALLPLATE: 10mm
a. Surface mounting
concealed wiring
b. Flush switchbox
Fixing holes are
spaced to suit BS4662
requirements
50022736-001 A
This product and its associated documentation and packaging are protected by various intellectual property rights belonging to Honeywell Inc and its subsidiaries
and existing under the laws of the UK and other countries. These intellectual and property rights may include patent applications, registered designs, unregistered
designs, registered trade marks, unregistered trade marks and copyrights.
Honeywell reserves the right to modify this document, product and functionality without notice. This document replaces any previously issued instructions and is only
applicable to the product(s) described.
This product has been designed for applications as described within this document. For use outside of the scope as described herein, refer to Honeywell for guidance.
Honeywell cannot be held responsible for misapplication of the product(s) described within this document.
Manufactured for and on behalf of the Environment and Combustion Controls Division of Honeywell Technologies Sarl, Ecublens, Route du Bois 37, Switzerland by its
Authorised Representative Honeywell Inc.
Honeywell Control Systems Ltd.
Arlington Business Park,
Bracknell
Berkshire
RG12 1EB
Technical Help Desk: 08457 678999
www.honeywelluk.com
50022736-001 A
© 2007 Honeywell International Inc.
To remove the unit from the wall-plate, slacken the two securing screws at
the bottom of the ST9100 and hinge the unit up to separate the two halves.
Wiring
Final Assembly
Clip the unit onto the hinges on the top of the wallplate and hinge down
into position. Tighten the two securing screws using a screwdriver.
Switch on the power – the unit will now be operating according to the
built-in programme. Note : the ST9100 is supplied with a factory set
clock for faster installation .
Refer to ST9100 User Guides for programming details.
c. Surface mounting with
surface wiring in
mini trunking
Ensure the mounting surface is supporting and fully covers the wiring
wall-plate.
ALL WIRING MUST BE IN ACCORDANCE WITH I.E.E. REGULATIONS.
THIS UNIT IS FOR FIXED WIRING ONLY.
A switch, having contact separation of at least 3mm in all poles (formerly
Class ‘A’), must be incorporated in the fixed wiring as a means of
disconnecting the supply.
The unit is a Class II (double insulated) device. A parking terminal is
provided for external earth continuity.
The system must be appropriately fused. A fuse rated at no more than
3 Amps should be installed.
The unit has 4 knockouts for surface wiring, care must be taken to ensure
that the cable or mini-trunking completely fills the knockout hole without
leaving any gaps.
4 1
WIRING CONNECTIONS
ST9100 Internal Wiring
Clock
230V~
50...60Hz
N
L
Connections to Combi Boiler
230Vac
Connection
Potential-free
Connection
N L 1 2 3 4
3 AMPS MAX
Connection using Wired Thermostats Connection using Wireless Thermostats
230V~
50...60Hz
L
N
230V~
50...60Hz
L
N
OFF ON
MAINS
INPUT
3 A MAX
3 A MAX
OFF ON
TIMED
OUTPUTS
ST9100
Clock
N L 1 2 3 4
N L
T1 T2
BOILER
ST9100
Clock
N L 1 2 3 4
N L
T1 T2
BOILER
Notes
1. ST9100 is suitable for contact-closure potential free or mains voltage
switching
2. If normal mains voltage is required, link terminals L and 1.
3. The ST9100 is a Class II (double insulated) device. A parking
terminal is provided for earth wiring continuity, if required.
4. Where applicable, the ST9100 may also be used to control hot water
systems independently.
5. Where applicable, multiple ST9100 timers may also be used to
control Heating and Hot Water systems independently.
6. When connecting to a wireless receiver unit, the receiver MUST have
permanent mains power from the fused spur, to operate correctly.
See Note 6.
HC60 NG
Receiver Unit
N L A B C
See Note 6.
HC60 NG
Receiver Unit
N L A B C
T6360B
(Thermostat)
1 2 3
T6620B
(DT200)
A B
230V~
50...60Hz
L
N
230V~
50...60Hz
L
N
ST9100
Clock
N L 1 2 3 4
3 A MAX
N L
BOILER
ST9100
Clock
N L 1 2 3 4
3 A MAX
N L
BOILER
T1 T2
T1 T2
ADDITIONAL PRODUCT FEATURES
Installer Mode
The ST9100 has a special Installer Mode where some features can be adjusted to suit user lifestyle or preferences – these are called installer
Parameters, and are listed in the table below, along with a description of the options that are possible.
INSTALLER PARAMETER Parameter
24hr or am/pm clock display 1 CLOCK MODE 12 12, 24 12 = am/pm display,
Configure backlight operation
(backlight consumes no
additional energy)
Enable/disable auto time
change
* 1-day or 5/2-day or 7-day
operation
Number of ON/OFFs per
day
Select default time
programme
** Reset all parameters 8 PROG RESET 1 0, 1 0 = do not reset
* this parameter is NOT available on ST9100A, which is 1-day operation only.
** this parameter by default has a value of 1, unless you change any other parameter, when it will change to 0. Set it to 1 to reset all parameters back to defaults.
Number
2 BACKLIGHT 2 0, 1, 2 0 = off,
3 AUTO TIME 1 0, 1 0 = disabled,
4 UNIT TYPE 7 1, 5, 7 1 = 1-day operation,
5 ON PERIODS 2 (for ST9100A)
6 DEF PROFILE A A, b, C A = standard,
To Enter Installer Mode:
a.
Ensure the slider is in the RUN position, then press
and hold the and buttons together for 8
seconds. Ignore the ‘NOT VALID’ that is displayed
for a few seconds. The message ‘SET UP MENU’ will
show briefly, followed by ‘SET INSTALLER OK ?’
b. Press the button to take you into the Installer Mode
Parameter Menu.
c. Parameter 1 is now available to change. This is to
allow you to change the clock format from 12 hour
AM/PM to 24 hour. At every step, the LoT™ Display
will inform you what the parameter means and what
option you have selected. The parameter number is
shown on the display separated by a colon from the
parameter value.
d. You can change the parameter value by pressing the
or buttons. At this point the description in the
LoT™ Display will change and the parameter value
will flash. If you press the value will stop flashing
and will be saved for use.
e. Press to move to the next parameter available
for editing. The parameter number will change
accordingly.
f. Keep pressing to step around the list of parameters,
and use or buttons to change the parameter
value.
g. Any parameter changes that have been confirmed
with the button will be saved and used.
LoT™ Display
Description
Default Value Range of
Values
2, 3 2 = 2 on/offs per day,
3 (for ST9100C)
LoT™ Display
Parameter
Number
Description [LoT™ Display Description]
24 = 24hr display
1 = on if button pressed,
2 = on continuously
1 = enabled
5 = 5/2-day operation,
7 = 7-day operation
3 = 3 on/offs per day
b = at home,
C = economy
1 = default parameters
[AM-PM]
[24 HOUR]
[NO B-LIGHT]
[B-L DELAY]
[B-LIGHT ON]
[NO CHANGE]
[TIME CHANGE]
[1-DAY]
[5-2 DAY]
[7-DAY]
[2 PER DAY]
[3 PER DAY]
[PROFILE A]
[PROFILE B]
[PROFILE C]
[RESET OFF]
[RESET ON]
or
Parameter
Value
To Exit Installer Mode:
You can exit Installer Mode at any time by moving the
slider to the next position and then back again to RUN.
Note: Installer Mode will exit automatically after 10
minutes if the slider is not moved.
2 ST9100A, ST9100C Timers Installation Guide 3
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