Electronic Programmer.pdf

CP715 Electronic Programmer

USER INSTRUCTIONS

Programmer with separate outputs for Heating & Hot Water.

SETTING THE CLOCK & PROGRAMMES

Pressing PROG once enters SET TIME mode, see Fig. 2. While

setting the time, pressing and releasing the + or - buttons will

change the time by one minute; pressing and holding down + or

- will change the time quickly in ten minute steps. (This also applies

when adjusting the ON/OFF times). Use DAY button to set day.

When the time and day are correct, press the PROG button once

to start the clock and go to SET ON TIME mode.

2) CHECKING/ADJUSTING PROGRAMMES

Pre-set programmes may be checked using the NEXT ON/OFF

button to step through the available settings, which can be

changed if required using the + or - buttons. The display now

shows SET OFF TIME, with OFF blinking.

Features include:

Can be set for either 24 hour, 5/2 day or 7 day operation

Simple change between GMT & BST

12 hour or 24 hour clock

Can be set for either 2 ON/OFF's or 3 ON/OFF's per day

3) PROGRAMMING NEXT DAY (7 day & 5/2 day

mode only)

Press DAY to advance to next day (not 24 hour mode), repeat step

2 for each day (7 day mode) or SAT-SUN (5 day/2 day mode),

ALTERNATIVELY follow COPYING PROGRAMMES instructions

below.

Battery back-up

CHOICE OF 12 HR OR 24 HR CLOCK

At any time during RUN mode the time displayed can be toggled

between a 12 hour clock with am/pm indication or a 24 hour clock by

pressing and holding both DAY and NEXT ON/OFF buttons for 1·5

seconds.

4) COPYING PROGRAMMES (7 day & 5/2 day mode

only)

When a day's settings are as required they may all be copied to

the following day with just two button presses. Press DAY to

change the day, then press COPY. When a model that has been

converted to 5 day/2 day operation the programme set for Monday

to Friday (MOTUWETHFR on the display) can be copied to the

weekend (SASU).

G.M.T. / B.S.T.

While in RUN mode the change from Greenwich Mean Time to British

Summer Time and back is achieved by pressing and holding the +

button to add one hour in the Spring, or the - button to put the clock

back in the Autumn. After the first time this change has been made this

feature will only allow the clock to be changed in the correct direction.

Take care when making this change for the first time. If it is made in

the wrong direction the unit will have to be reset and any user-settings

re-entered.

5) RUN MODE

Having completed the programming for each day, press PROG to

go to the run mode .

RESET

Should the unit be disconnected from the mains a small battery

symbol will blink on the left hand side of the display. After the second

midnight, i.e. between 24 and 48 hours, the display will go blank and

the unit will lose its settings. When mains power is restored it is

recommended that the unit be reset by lowering the front flap and

using a small non-metallic object, e.g. matchstick, press and release

the recessed reset button (marked R/S). This installs the factory pre-

set programme and sets the time to 12:00pm on Monday (MO). The

outputs will be OFF, (see Fig. 1). Note that the colon between the hours

and minutes is blinking. This means the unit is in RUN mode and will

switch the System on and off in accordance with the programme. The

colon only blinks in RUN mode.

RUN MODE

OPERATION : In RUN mode the unit will automatically switch the

System on and off at the times set. However, useful overrides are

provided which enable the user to make temporary changes to the ON/

OFF times without having to re-programme the unit. The facilities

offered by the overrides are detailed on the back cover.

REVIEWING PROGRAMMES FROM THE RUN MODE : Press PROG

twice, follow steps 2, 3 & 5 ) above.

SELECTING THE OPERATING MODE

MANUAL OVERRIDES

Behind the flap are two SELECT buttons, one each for Central

Heating (

While in OFF, AUTO or ALLDAY modes the plus one hour (+1HR)

button can be used to switch from off to on for just one hour, or to

extend an existing on period by one hour. The extra hour is cancelled

by pressing the button again, pressing the MAN button, or when an on

event is reached.

While in AUTO or ALLDAY modes pressing the manual (MAN) button

will switch an output which is on to off, and vice versa. This over-ride

will last only until the next programmed switching event is reached,

when the automatic programme will resume control, or until the button

is pressed again.

When the above overrides are selected a bar appears in the display

against the appropriate legend.

) and Hot Water (

The operating modes available are:

The output is on constantly.

OFF

The output is off constantly, unless +1HR is pressed.

AUTO

The output switches on and off to the set programme.

ALLDAY

The output switches on at the 1st ON time and stays on

until the last OFF time.

Sequence of button presses whilst adjusting time, day and programme settings. Read the section “Error

free programming” first.

Press and release + or - to change the time by one minute. Press and hold down + or - to change the time quickly.

NOTE: The installer has set switches on the rear of the CP715 to select either 24 hour operation (same programme repeated each day) or

5/2 day operation (one programme repeated Monday to Friday with a different programme repeated Saturday and Sunday) or 7 day operation

( a different programme for each day). The installer has also selected either 2 ON/OFFs or 3 ON/OFFs per day.

BUTTON SEQUENCE

CP715

TYPICAL DISPLAYS

STEP

PRESS

ACTION

PROG

To enter programming mode (Fig 2)

DAY

To select day of week, repeat until display shows

current day (Fig 2

Fig 1

+ or -

To adjust time of day (Fig 2)

PROG

To enter ON/OFF programming mode (Fig 3)

+ or -

To adjust 1st ON time (setting no 1, Fig 3)

Fig 2

To step to 1st OFF time (setting no 2, Fig 4)

+ or -

To adjust 1st OFF time (setting no 2, Fig 4)

Repeat step 5-7 until ON/OFF times are as required

If unit is set for 24 hour operation, go to step 13,

otherwise go to step 10

Fig 3

Setting no

DAY

To advance to the next day. If a different programme from

previous day is required go back to step 7.

If the same programme as previous day is required, go to

step 11

Fig 4

Setting no

COPY

To copy provious days' programmes to current day

Repeat steps 10 and 11 until all days are programmed

Fig 5

PROG

To return to RUN mode

Setting no

ERROR FREE PROGRAMMING

ON/OFF times cannot be set out of sequence. The limits of adjustment

are:

Setting 1 (first ON) 12:00am to 11:59pm (normally in the morning).

Settings 2 to 6 (first OFF to last OFF) anywhere between the previous

Setting and 23 hours 59 minutes after Setting 1.

The - button stops responding when the previous Setting is reached,

but the + button continues to its limit, also changing any later Settings

that would have been overlapped.

While becoming familiar with the Setting Sequence the ON/OFF

times may become grouped together. If this should happen use

NEXT ON/OFF to select Setting 1, then check/alter each Setting in

turn, using + or -, until the desired programme is entered.

NOTES ON TYPICAL DISPLAYS (See left)

Fig 1

Immediately following a manual RESET [RUN mode with

colon blinking]

Fig 2

SET TIME and DAY mode [colon steady, day, hours and

minutes blink]

Fig 3

SET FIRST ON TIME

[setting number and day shown, “ON” blinks]

Fig 4

SET FIRST OFF TIME

[setting number and day shown, “OFF” blinks]

Fig 5

SET LAST OFF TIME AFTER MIDNIGHT

[day when output will switch off blinks]

When programming in 7 day mode, the day being set appears in the

display, (see typical displays). In 24 hour mode, the day only appears

in SET TIME mode. When programming in 5 day/2 day mode then the

days will show as MOTUWETHFR or SASU.

Should the unit be disconnected from the mains a small battery

symbol will blink on the left hand side of the display.

FACTORY PRE-SET PROGRAMME

The following ON/OFF times are programmed at the factory and are

re-instated by pressing the recessed R/S button behind the flap.

Every day for 24 hour control

Saturday and Sunday

Mon to Fri for 7 day or 5/2 day control

7 day or 5/2/day control

SETTING NO

ON/OFF

TIME

SETTING NO

ON/OFF

TIME

2 ON/OFFs

3 ON/OFFs

2 ON/OFFs

3 ON/OFFs

6.30am

7.30am

OFF

8.30am

OFF

10.00am

12.00pm

OFF

12.00pm

OFF

12.00pm

5.00pm

OFF

10.30pm

OFF

10.30pm

Danfoss Randall can accept no responsibility for possible errors in catalogues, brochures and other printed material, and reserves the right to alter

its products without notice. This also applies to products already on order provided that such alterations can be made without subsequent changes

being necessary in specifications already agreed.

Danfoss Randall Ltd

Ampthill Road

Bedford, MK42 9ER

Tel: 01234 364621

Fax: 01234 219705

Email: danfossrandall@danfoss.com

Website: www.danfoss-randall.co.uk

Part No: 8858 Iss 6 07/00

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