Danfoss 103E5 User manual

Installation and User Guide

Danfoss Heating

103E5

Electronic Timeswitch

for Controlling Hot Water and Heating

(Including Factory Replacement Units FRU)

INDEX

Index

Installation

Product specication 3

Installation 4-6

Wiring 6-9

Replacement 10-11

User

What is a timeswitch 12

Your timeswitch 13

Setting the clock 14

Factory preset programmes 15

Setting the programme - 24 hour 16

Setting the programme - 5/2 day 17

Running the programme 18

Temporary user overrides 19

Battery backup 20

Contact details 24

Danfoss can accept no responsibility for possible errors in catalogues, brochures, and other printed

material. All trademarks in this material are property of the respective companies. Danfoss and the

Certification Mark

Please Note:

This product should only be installed by a qualied

electrician or competent heating installer, and should be

in accordance with the current edition of the IEEE wiring

regulations.

Specication

Power supply 230 Vac ± 15%, 50 Hz

Switching action 1 x SPST, Type 1B

Switch rating 264 Vac, 50/60Hz, 3(1)A

Timing Accuracy ±1 min./month

Power Reserve Minimum 14 days

Enclosure Rating IP30

Max. Ambient Temperature 45°C

Dimensions, mm (W, H, D) 102 x 136 x 47

Design standard EN 60730-2-7

Control Pollution Situation Degree 2

Rated Impulse Voltage 2.5kV

Ball Pressure Test 75°C

Product specication

Specication

Installation Instructions

Installation

NB. For FRU units - go straight to point 6.

1. Loosen the xing screw in the base of the unit to release the

Wiring Cover.

2. Holding the unit face downwards, press rmly in the

centre of the wallplate and slide it apart and lift it from the

module.

3. Fix the wallplate and terminal block to the wall, or plaster

box, as required. Ensure that the screw heads do not

protrude beyond the vertical centre rib of the wallplate,

or this will prevent the module correctly locating onto the

wallplate.

4. Surface cables can only enter from below the unit. Cut

an appropriate cable aperture in the wiring cover. If the

wallplate is mounted on a plaster box, cables can enter

from the rear below the terminal block.

Installation

Screw xing holes

(screwheads MUST

NOT protrude above

centre rib)

Vertical centre rib

Wallplate & Terminals

5. Electrical connections are simplied by using a Wiring

Centre. However, if this is not used, the wallplate terminal

identication is as shown.

If the system being controlled is 230 Vac then terminals

3 and L must be linked with insulated cable capable of

carrying full load current. Whilst the unit does not require

an earth connection, a terminal is provided on the wallplate

for earth continuity purposes.

6. Referring to the wiring diagrams on page 6-9, connect the

unit as shown.

7. Find out from the user whether the unit is required to

operate in 24-hour mode (factory preset) or weekday/

weekend mode (5/2 day). To convert to 5/2 day mode

remove the small two-way connector from the pins towards

the left of the recess on the rear of the module, then press

the SELECT/ADVANCE/+/- buttons all at the same time to

RESET the unit.

8. Ensure all dust and debris are cleared from the area. Plug

the module into the wallplate by locating it onto the

wallplate and, when ush with it, sliding it down, ensure

the hook at the top of the wallplate engages with the slot

at the back of the module.

9. Before setting the programme, check the unit and circuit.

Press the SELECT button until the bar in the display lines up

with the word ON. Adjust the remote thermostats to check

the system operates correctly.

Installation

LOAD Mains Supply

(via 3 amp. fuse)

ON SPARE COM N L

123 5 6

103, 103E5

Wiring

10. Then press the SELECT button until the bar lines up with

the word OFF and check the system does not operate.

11. When the circuit check has been completed, replace the

wiring cover and tighten the xing screw. Cut any cable

aperture in the wiring cover which may be necessary to

accommodate surface mounted cables.

12. Finally set time of day and programmes required, noting

that the unit is supplied with a pre-set programme, as

stated on Page 14.

Wiring

Typical Gravity DHW with pumped heating

L N L N

COM CALL

ROOM

' S TAT

BOILER

TERMINALS

PUMP

TERMINALS

LINK

103E5

TERMINALS

MAINS

SUPPLY

FUSED

3 AMP

123 56

Typical control of Pump for Central Heating on a Solid

Fuel System

12356

MAINS

SUPPLY

FUSED

3 AMP

L N

COM CALL

ROOM

' S TAT

LINK

PUMP

TERMINALS

103E5

TERMINALS

Wiring

Typical Heating Only system, Boiler and Pump

control

Typical control of Low Voltage System requiring

voltage free contacts

COM CALL

ROOM

' S TAT

L N BOILER

TERMINALS L N PUMP

TERMINALS

103E5

TERMINALS

MAINS

SUPPLY

FUSED

3 AMP

123 56

LINK

12356

103E5

TERMINALS

LOAD

MAINS

SUPPLY

FUSED

3 AMP

LOW

VOLTAGE

SUPPLY

COM CALL

LOW

VOLTAGE

ROOM

' S TAT

Wiring

Typical control of Heating when provided by

Combination type Boiler

Typical Heating & Hot Water control system using 3 port

mid-position valve

123 56

COM CALL

ROOM

' S TAT

INPUT OUTPUT NL

103E5

TERMINALS

MAINS

SUPPLY

FUSED

3 AMP

COMBI BOILER

TERMINALS

103E5

TERMINALS

123 56

MID-POSITION VALVE L N

MAINS

SUPPLY

FUSED

3 AMP

BOILER &

PUMP

TERMINALS

RED OR

ORANGE

WHITE

BROWN

BLUE GREY

ROOM

' S TAT CYL.

' S TAT

SAT

CALL

COM

LINK

DANFOSS RANDALL

103E5

LOAD MAINS SUPPLY

(via 3 amp fuse)

An additional terminal block is

required where these discon-

nected leads (or pairs of leads)

should be terminated

ON SPARE COM

1 2 3 5 (N) 6 (L) A B C D

RANDALL 103, 103E, 103E7 1 2 3 5 6

RANDALL 3020 4 2 - 1,7 6 3 5

RANDALL TSR2 4 5 - 3 1,2 6 7

GRASSLIN 45, 45A, 45E 4 - 3 2 1

HORSTMANN 424 EMERALD

& PEARL AUTO RANGE 4 2 3 N L,1 5

HORSTMANN 423 PEARL,

EMERALD & TOPAZ 413 NL256

SANGAMO S254 Form 2S408

Form 5, S251 Form 2 LOAD - - N L

SANGAMO S610 F2, S611 F2,

S612 F2, S408 F4, S408 F6,

S253 F2, S255 F2

LOAD - SWITCH

LIVE N

MO-

TOR

LIVE

SANGAMO S409 Form 8 2 1 6 3,N 5,L

SANGAMO/RANDALL SET 1 4 2 5 N L

SMITHS IND. MKI, MKII P3 P1 P2 N L

Replacement

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