PSS2
Powersaver Cycle Selectable Timer
The latest ESP product manuals
can be found on-line:
1. Features:
The Powersaver Select is a simple to use, multi
application time switch. Although primarily used for
the control of water heating, the PSS2 can also be
used for a multitude of applications including the
control of panel heaters, towel rails or combi boilers.
l 24 hour, 5/2 day & 7 day electronic timer
l Up to 10 program operations per day
l 30 mins, 1 hour and 2 hour boost function
l BST and GMT time adjustable
l Fits directly onto a single gang pattress box
2. Specifications:
l Contact Rating: 16A Resistive 240V a.c.
2A LED Lighting 240V a.c.
l Supply: AC220~240V 50/60 Hz
l Terminals: suitable for max. 2.5 mm² flexible and 4.0
mm² fixed cabling
l Dimension: 86*86*35mm
l Operation Temperature: 0℃~40℃
l Memory Reserve: Permanently reserve
l Display: LCD
Please Note : This is a Class 2 product
setting
1
3. Front View and Back View (Fig. 1 and Fig. 2)
PSS2
230V AC 50-60Hz~
16 AMPS T 40
↓
Lout↓L NoutN
Fig.1 Front View
Fig.2 Back View
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5.2 Wire in accordance with the Wiring diagram
and Terminal markings.
Input Voltage:
AC220V-240V 50/60Hz
PSS2
230V AC 50-60Hz~
16 AMPS T 40
Installation must be
F
by a suitably qualified
person in accordance with
the latest IEE wiring
Regulations.
Provision must be made
in the fixed wiring for a
means of disconnection
↓
Lout L NoutN
↓
from the supply having a
contact separation of at
least 3mm on all poles.
This can be provided by
the consumer unit.
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2
4. Wiring Diagram
Load
AC:220V-240V
50/60Hz
ACN
ACL
↓
L
Lout
Fig.3 Wiring Diagram
5.3 Fixing the mounting box on the wall and secure the
unit to the mounting box with the 3.5mm screws
provided.
a,b: Fixing Holes
A
C
Mounting Box
B
D
C
Mounting Box
Insert the M3.5mm screws into A & B
(on the switch) and C&D(on the mounting
box) mounting holes.
↓
Nout
N
5
D
OFF/ON
BOOST
A
B
SET
Fig.6
8
3
5. Installation Guide:
5.1 Flip open front plate from position A
A
Fig.4
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6. Operation Guide:
OFF/ON
BOOST
SET
Hidden Keypad
Flip down the front cover to
access to the hidden keypad for
setting.
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LCD
BOOST
LCD Display
Fig.7
6.1 Press “SET” to enter BST and GMT time setting, the
initial time is BST, and the display will show E (see Fig. 8).
Press “-” and/or “+” can switch the time from BST to GMT,
and the display will show G (see Fig. 9).
Fig.8
NOTE：When return to normal display, user can long press the
BOOST button to switch BST and/or GMT timer, and the
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programmed timer control will also be changed accordingly
as well.
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Fig.9
6.2 Press “SET” again to enter program cycle setting, press “-”
and/or “+” to select program from cycle 1 to cycle 3 as below:
Cycle 1(default): Daily (24 Hour) Cycle, all the days will
flash simultaneously
Cycle 2: Weekly (5/2 Day) Cycle,
weekend will take turns to flash.
Cycle 3: Cycle 3 24/7 (7 Day) Cycle, every day will take
turns to flash.
If Cycle 3 is selected, for quick programming, users
can press the ON/OFF to skip to a day and may also
then press BOOST to copy the previous day into the
current day.
Fig.10
NOTE：This programming cycle selection is only offered as part of
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the initial product setup or if a Product Reset has been carried out.
Under normal conditions the programming cycle selection display is
not shown.
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the weekdays and
6.3 After completing program cycle setting, press “SET”
button to enter system time setting.
Week
The Day of week display starts to flash, press "-"
and or "+" to set the day of the week.
Press “SET” button again, the hours display will flash,
Hours
Correct the system time: when at normal display interface, press and
hold the SET button to enter the system time correction mode.
Minutes
Fig.11
press “-” and/or “+” to adjust the hour from 00 to 23;
Press “SET” button again, the minutes display starts
to flash, press “-” and/or “+” to adjust the minutes
from 00 to 59.
(Holding down “-” and/or “+” will adjust the data
quickly).
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6.4 After completing system time setting, press “SET” button to
enter timer setting
ON/OFF
Firstly, the LCD will display “--:00” and “01” “ON”, which means it has
entered the timer on time setting for the first group. The default display
“--: 00” means no timer control has been set.
Press “SET” button again , the hours display will flash, press “+” it will
scroll” --，00,01...23”, press “-” it will scroll” --,23...00”;
Press “SET” button again, the minutes display starts to flash, press “-”
and/or “+” to adjust the minutes from 00 to 59.(Holding down “-” and/
or “+” will adjust the data quickly).
Press “SET” button again, the hours will flash, and show 01, OFF, which
means it has entered the timer off time setting for the first group. Set
the timer off timer according to above method of setting timer on time.
NOTE：Using the Timer Control Override Function will not affect
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the timer control settings & the next time it will function as
normal.
6.9 Off (Holiday) Function: Allows you to suspend timer control
whilst still allowing the Boost function to be used using the OFF/
ON button.
Press once = Suspend timer control(LCD display will include OFF)
Press twice = Cancel(LCD will return to normal display)
NOTE：This is NOT an override function for timer setting.
F
BOOST button is still active.
: Hours Minutes
Fig.12
Groups
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6.10 Keypad Lock: Press - & + together for 5 seconds to lock
settings = display briefly shows L , and then return to normal
display.
Fig.16
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6.5 Please complete the timer setting for other groups according to the
above method.
If it is not required to set 10 groups of timer, you can press and hold
the “SET” button to save and exit the initial setting directly.
Fig.13
All groups timer must be in consecutive order, i.e. group 1 must be before
group 2 & group 2 before group 3. If the wrong order is programmed, error
messages will be displayed . Please press “SET” again to reset the timer
for this group. The already set timer for other groups will not be affected.
6.6 Cancel the timer control setting: After completing the initial/reset
setting, if timer control for one of the group needs to be cancelled, please
set the timer on time to “--:00”. When the timer on time is cancelled, the
timer off time is default to be cancelled as well.
NOTE：If an overnight program period is required. This should
F
be programmed in two parts from midnight.
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NOTE：BOOST button is still active during keypad lock mode.
F
Display shows L when other buttons pressed. Press - & +
Fig.14
together for 5 seconds to unlock settings.
6.11 Product Reset (return to default settings):
Switch off power to unit. Hold in BOOST button whilst switching
power back on.
All LCD segments flashing displayed, Load On = Unit Reset Press
BOOST = 1 displayed
Press SET = 2 displayed
Press - = 3 displayed
Press + = 4 displayed
Press OFF/ON = software version displayed
Press SET to reprogram = All LCD segments flashing
Off.
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displayed, Load
6.7 Boost Function: As well as the programmable cycles, the PSS2
offers 3 options on period duration using the BOOST button:
Press once = 1/2 hour (The LCD will display 0:30)
Press twice = 1 hour (The LCD will display 1:00)
Press three times = 2 hour (The LCD will display 2:00)
Press four times = Cancel function (The LCD will show 0:00
Duration can be extended or cancelled by successive presses.
6.8 Timer Control Override Function: If during a timer On time you wish
to turn off the loads, simply press the BOOST button once. Press
BOOST button again, to enter Boost control.The loads will keep on until
the BOOST period is over or the timer on time of next group is due.
Elite Security Products
Unit 7，Target Park,
Shawbank Rd, Lakeside,
Redditch, B98 8YN
and return to normal display)
Date Issued
24/09/2019
Issue No
A30-PSS2-01-1
OFF/ON
BOOST
SET
Fig.15
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Telephone: 01527 51 51 50
Fax: 01527 51 51 43 Email:
info@espuk.com Web:
www.espuk.com
Description
Initial Issue
E&OE - Errors and omissions excepted. K19
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