Sangamo CHOICE PR2 Installation Instructions Manual

CHOICE PR2

2 Channel Programmer

Installation Instructions

Technical Data

Power Supply: 230V AC, 50Hz
Operating Temperature: 0°C to 35°C
Total Switch Rating: 230V AC, 6(2)A
Contact Type: 1B , Micro-Disconnection (Voltage Free)
Battery Type: Lithium Cell CR2032
Enclosure Protection: IP30

Plastics: Thermoplastic, ame retardant

Insulation Class: Double

Wiring: For xed wiring only
Backplate: Industry standard
Dimensions: 140mm x 87mm x 37mm

Clock: 12 hour am/pm, 1 minute resolution
BST/GMT time change: Automatic

Clock Accuracy: +/- 1 sec/day
Program Cycle: 24hr, 5/2day or 7day selectable.
Program On/offs per day: 2on/off, 3on/off selectable

Program Resolution: 10mins

Program Selection: Auto, On all day, On constant, Off
Program Override: +1,2 or 3Hr, Advance
Heating System: Pumped, Gravity selectable
Complies with : EN60730-1, EN60730-2.7, EMC Directive 2004/108/EC,

LVD Directive 2006/95/EC

Fit & forget...

Pre-Installation Set Up

Before installing, set the bank of
4 DIP Switches on the back to

congure the unit according to the

chart below:

DIP Switches Shown in Factory Default

Positions. (black = raised actuator of

switch)

PUMPED allows independent control of CH
and HW.

GRAVITY does not allow CH without HW
but can provide HW without CH.

24 Hr Runs same programme every day.

5/2 Day Allows different on/off times at

weekend.

7 Day Allows different on/off times every
day.

Installation Safety Notes

This unit must be installed by
a suitably qualied person in
accordance with the latest IEE
Wiring Regulations.

Isolate mains supply before

commencing installation. Please
read all installation instructions
before proceeding.

Ensure that the xed wiring

connections to the mains supply

is via a fuse rated at not more
than 6 amps and a class ‘A’ switch

having a contact separation of

a minimum of 3mm in all poles.
The recommended cable sizes are

1.0mm2 or 1.5mm

2

Fitting Back Plate –
Direct Wall Mounting

1. Position the wall-plate
(terminals along top edge)

with 60mm (min) clearance to
its right, 25mm (min) above,

90mm (min) below. Ensure

that the supporting surface
will fully cover the back of the

programmer.

2. The ideal location would be

1.4M above oor level, easily
accessible, reasonably lit and
free from condensation or
temperature extremes.

3. Offer the back plate to the

wall in the position where the

programmer is to be mounted

remembering that the back

plate ts to the left hand side
of the programmer. Mark the
xing positions through the
slots in the backplate, drill and

plug wall, then secure back

plate in position using screws.

4. All necessary electrical
connections should now be
made. Ensure that the wiring

to the wall-plate terminals

leads directly away from the
terminals and is completely
enclosed within the wall-plate

Fitting Back Plate –
Wiring Box Mounting

1. Fix the wall-plate to a ush
mounting single conduit box

type UA1 (BS4662) using

M3.5 x 14 screws. Take care to
ensure the opening is adequate
and will allow mounting of the
unit onto the base plate. The

use of glue, mastic, or other

sealants MUST NOT be used to
secure the unit to the wall.

2.

All necessary electrical

connections should now be
made. Ensure that the wiring

to the wall-plate terminals

leads directly away from the
terminals and is completely
enclosed within the wall-plate
aperture. Wire ends must be
stripped and screwed to the

terminals so that minimal bare

wire is showing.

aperture. Wire ends must be
stripped and screwed to the

terminals so that minimal bare

wire is showing.

If the unit is tted to a metal

surface, IT IS ESSENTIAL that

the metal be earthed.

DO NOT use a surface mounting

box.

No earth connection is required
as the product is double insulated

but ensure continuity of earth

throughout the system.

New Installations

Example circuit diagrams for typical
installations are shown below.
These diagrams are schematic and
should be used as a guide only.

Please ensure that all installations
comply with the current IEE

regulations.

For reasons of space and clarity not
every system has been included
and the diagrams have been
simplied, for instance some Earth
connections have been omitted.

Other control components shown

in the diagrams i.e. Valves,

SERVICE AND WARRANTY

Your product is not user serviceable. PLEASE DO NOT TRY TO DISMANTLE THE UNIT.
This product is guaranteed by your supplier for 5 years from the date of manufacture. If it should become defective
please contact your installer or supplier for a replacement unit or visit www.sangamo.co.uk/returns

This product must meet Waste Electronic and Electrical Equipment Regulations (WEEE) for suitable environmental
recycling, recovery and/or disposal. End of life products should be handled in line with local regulations. Alternatively
return end of life product to Sangamo for correct disposal.

CUSTOMER CARE POLICY

As part of Sangamo’s continuous improvement program, the company operates a Customer Care policy. This means
we welcome your comments and complaints, as it can help us to improve our services to you, our customer.

Due to our policy of continuous product improvement and development, the specications in this guide may be
subject to change without prior notice.

Sangamo Limited

Industrial Estate, Port Glasgow,

Renfrewshire, PA14 5XG

Tel [phone]

Fax: [phone]

Email: [e-mail]

Web: www.sangamo.co.uk

WEE/JH0069TY

143704 Issue B

If you have a problem or require
any further information please
contact our technical team on:

01475 745131

RoomStats etc are general representations only. However the wiring
detail can be applied to the corresponding models of most manufacturers.

Cylinder and Room Thermostat Key:

C=Common Call = Call for heat or break on rise SAT = Satiseld on rise N= Neutral

Existing Installations

1. Remove old programmer from its back plate mounting loosening any
securing screws as dictated by its design.

2. Check compatibility of existing back plate & wiring arrangement with
that of the new programmer. See online Programmer Compatibility
Guide for direction.

3. Make all necessary changes to back plate & wiring arrangement to

suit new programmer

Electrical Connections

Fitting The Programmer

Loosen the two ‘captive’ retaining

screws on the bottom of the back

plate. Now t the programmer

to the back plate, ensuring the
lugs of the back plate
engage with the slots

on the programmer.

Swing the bottom of
the programmer into
position ensuring the
connection pins on the
back of the unit locate
into the terminal slots

in the back plate.
Tighten the two ‘captive’ screws to
x the unit securely.

Commisioning

Switch on mains supply. Referring
to the user guide:

1. Use the buttons to ensure
correct product functionality.

2. Set timing and programme
details in accordance with
customer requirements.

3. Normally unit will be left with
channel in ‘Auto’ mode.

4.

Leave these installation
instructions with customer for

reference.

In the interests of continuous

product improvement we reserve
the right to alter designs,
specications and materials
without prior notice and cannot
accept liability for errors.