Danfoss 102E7 Assembly Instructions

102E7

Installation & User Instructions

including Factory Replacement Units (FRU)

7-day electronic

mini-programmer for

controlling hot water

and heating

This product complies with the following EC Directives:

Electro-Magnetic Compatibility Directive.

(EMC) (2004/108/EC)

Low Voltage Directive.

(LVD) (2006/95/EC)

INDEX

Index

Installation

Product speciﬁcation 3

Installation 4-6

Wiring 6-9

Replacement 10-11

User

Your programmer 12

Resetting the unit 12

24hr or AM/PM display 13

Setting the Time and Day 13

Factory preset programmes 14

Changing the preset programmes 15

Setting the programme - 7 day 16-17

Setting the programme - 5/2 day 18-19

Running your programme 20

Temporary user overrides 21

Changing clocks forward/back 22

Battery backup 23

Contact details 24

Please Note:

This product should only be installed by a qualiﬁed

electrician or competent heating installer, and

should be in accordance with the current edition of

the IEEE wiring regulations.

Speciﬁcation

Power supply 230 Vac ± 15%, 50 Hz

Switching action 1 x SPST, Type 1B

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

Running/Setting Accuracy ±1 min./month

Power Reserve Minimum 24 hours

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 speciﬁcation

Speciﬁcation

Installation Instructions

Installation

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

1. Loosen the ﬁxing screw in the base of the unit to release

the Wiring Cover.

2. Holding the unit face downwards, press ﬁrmly 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 ﬁxing holes

(screwheads MUST

NOT protrude

above centre rib) Vertical centre rib

Wallplate & Terminals

5. Electrical connections are simpliﬁed by using a Wiring

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

terminal identiﬁcation is as shown.

If the system being controlled is 230Vac 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 7-day 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 button marked R/S under the

ﬂap 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 ﬂush 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.

Set the rocker switch to WATER & HEATING. 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

Water Heating

COM

Mains Supply

(via 3 amp fuse)

ON ON NL

123 5 6

102, 102E5, 102E7

Wiring

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

with the word OFF and check the system does not

operate.

11. Set the rocker switch to WATER ONLY. Press the

SELECT button until the bar in the display lines up

with the word ON and check that the water circuit only

operates.

12. When the circuit check has been completed, replace

the wiring cover and tighten the ﬁxing screw. Cut

any cable aperture in the wiring cover which may be

necessary to accommodate surface mounted cables.

13. 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

12356

L N L N

MAINS

SUPPLY

FUSED

3 AMP

ROOM

' S TAT

LINK

COM

CALL N

PUMP

TERMINALS

BOILER

TERMINALS

102E5

TERMINALS

Typical Gravity DHW with Pumped Heating

Typical domestic gas or oil-ﬁred central heating system

with gravity hot water and pumped heating. (If a room

thermostat is not used, wire pump live directly to terminal 2

of the 102E7).

102E7

TERMINALS

12356

L N

MAINS

SUPPLY

FUSED

3 AMP

ROOM

' S TAT

LINK

COM

CALL N

BOILER &

PUMP

TERMINALS

102E5

TERMINALS

MID-POSITION VALVE

BLUE GREY

SAT

WHITE

BROWN

CALL

COM

CYL.

' S TAT

RED OR

ORANGE

Wiring

Typical Heating and Hot Water control system using

3-port mid-position valve

The above control system is available as the Danfoss

Randall 102E7 HEATSHARE pack, which also includes the

RMT room thermostat, AT cylinder thermostat, HS3 mid-

position valve and a WB12 wiring box.

102E7

TERMINALS

12356

102E5

TERMINALS

L N

BOILER &

PUMP

TERMINALS

MAINS

SUPPLY

FUSED

3 AMP

LINK

COM

CALL

COM

CYL.

' S TAT

CALL

SAT

ROOM

' S TAT

HEATING

VALVE

D.H.W

VALVE

Wiring

Typical Heating and Hot Water control system using

2-port zone valves

The above control system is available as the Danfoss

Randall 102E7 HEATPLAN pack, which also includes the

RMT room thermostat, AT cylinder thermostat, two 22mm

HPP zone valves and a WB12 wiring box.

102E7

TERMINALS

DANFOSS RANDALL

102E7 Water

Heating

ON COM MAINS SUPPLY

(via 3 amp fuse)

An additional terminal block is re-

quired where these disconnected

leads (or pairs of leads) should be

terminated

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

RANDALL 102, 102E,

102E7 123 56

RANDALL 3020P, 3060 4 2 - 1,7 6 3 5

RANDALL MKII R6 4 5 - 3 1,2 6 7

HORSTMANN

CORAL 423 & 424

Boiler

(8)

Air ‘Stat

(8) - 2,3 1 4,7 5 6

HORSTMANN

DIAMOND 423 2 4 - N L,1,3 5 6

HORSTMANN

DIAMOND 424 2 4 - N L,1,3 5 6

POTTERTON 423 2 4 - N L,1,3 5 6

SANGAMO S409 F1

& F4 2 5 - N,1,3 L 4,6

SANGAMO (Early

model) S410 Form 4 1,3 4 - N,2 L

Replacement

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