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Installation procedure

1. Please read these notes carefully before commencing work. In case of doubt 

please consult a qualified electrician. Ensure wires and cables are securely held 

within the connection terminals.

  IMPORTANT: The EZ CESR Control Unit clock battery must be engaged (ON) 

prior to installation by switching the RED dip switch (see diagram E) to the 

DOWN position.

2. POSITIONING: The EZ CESR switch should be installed to achieve correct 

coverage of the area, see diagram B. If the photocell override facility (enabled 

via EasyZAPP app) is required, the switch must be located above an area where 

daylight can give greater illumination than the artificial light. Avoid locating this 

product where it is exposed to drafty conditions (exposed lobbies, open ceiling 

voids or near fans) or near heat sources. To cover large areas PIRs should be 

spaced in a 5 metre grid formation.

3. Disconnect the PIR from the circuit before performing insulation testing of the 

wiring circuit. 

4. Do not connect on a circuit with large inductive loads, as induced spikes may 

cause false triggering or damage the PIR.

5. EZ CESR must be connected to the EasyZAPP  Power Supply (CZPS) via the 

EasyZAPP  communication cable (telejack) provided, for wiring see diagrams C and 

D. 

  NOTE: The use of non EasyZAPP connectors may damage the EZ CESR or CZPS 

and will invalidate the warranty).

6. Knockout or drill the appropriate holes on the mounting plate for attaching the plate 

to the ceiling or back box (if applicable). Feed telejack through the appropriate (side 

or rear) entry hole. Screw the back mounting plate to the ceiling or back box via the 

mounting holes. Push the telejacj connector into the sensor head terminal. Push the 

sensor head onto the mounting plate and align the side clips with the slots on the 

sensor heads. 

Settings and calibration

ALL settings are adjusted by EasyZAPP App as detailed in the free to download 

EasyZAPP App User Guide, including: 

Timeout:

 Adjustable time lag from 10 seconds to 24 hours.

Brightness:

 Adjustable switching threshold, 30 to 1000 lux and inactive. EZ CESR 

must be calibrated as instructed on the user guide manual.

Batch Configure: 

For configuring multiple EZ CESR controls with identical settings.

Name: 

For identifying individual controls.

Password: 

For security against accidental or malicious alteration.

Please visit www.danlers.co.uk to download the EasyZAPP user guide.

B: Detection diagram

up to 5m
up to 7m

Strong detection zone 

i.e. person moving arm

or walking towards PIR

Secondary detection 

zone i.e. person 

walking perpendicular 

to PIR 

For optimum coverage 

recommended 

mounting height: 2.4 to 5m

A: Mounting diagram

 

Knock out mounting 

holes or pre-drill 

pilot holes.

For telejack entry from 

above - knock out 

central mounting hole 

For side entry - 

knock out side 

mounting hole 

Clip telejack into the device 

then join device to mounting 

plate via mounting clips

L

load

N

100 - 260 VAC

50 / 60 Hz

L

N

SL

L

load

N

100-260 VAC

50 / 60 Hz

L

N

SL

L

N

SL

L

N

SL

Several EZ CESR wired in parallel

Single EZ CESR

L

load

N

100 - 260 VAC

50 / 60 Hz

L

N

SL

L

load

N

100-260 VAC

50 / 60 Hz

L

N

SL

L

N

SL

L

N

SL

Several EZ CESR wired in parallel

Single EZ CESR

C: Wiring diagram

D: Wiring diagram

D: Connector diagram

Telejack connector

Control Unit

SL  

L
L  

N

Power Supply

Red dip switch (MUST be 

switched towards centre of control) 

to engage clock battery ON

IMPORTANT

ON

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