SUNSTONE P-Stat + User manual

P-Stat + Programmable Thermostat

EN - INSTALLATION INSTRUCTIONS

Installation

Safety Information

Technical Specications

Step 1 - Identify Suitable Location

Step 2 - Installation and Wiring Connection

Before making any permanent xtures it is recommended identifying your preferred location for the thermostat. It

should be located in an area with good ventilation. It should not be beside a window/door, in direct sunlight or above

another heat generating device (e.g. radiator or TV).

BATHROOM INSTALLATIONS: When installing the thermostat within a bathroom it MUST be mounted outside of Zone 2

in accordance with Wiring Regulations. If it is not possible to identify a suitable location outside of Zone 2 within the

bathroom, then it is recommended that the thermostat is installed in the adjacent room and set to control the heating

by oor temperature only. When installed in this way, it is not possible to directly control the heating based on the

room air temperature, only the oor surface temperature.

IMPORTANT INFORMATION: Installation should only be carried out by a qualied and competent electrician. The

P-Stat + requires a permanent power supply from a 30mA RCD protected circuit in accordance with the current edition

of the Wiring Regulations. The thermostat and its power supply should be isolated from the mains supply throughout the

installation process. Ensure that wires are fully inserted into the terminals, with no bare wire visible and secured. Any

free strands should be trimmed, as they could otherwise cause a short-circuit.

• Operating Voltage - 100 - 240 V AC 50/60 Hz

• Model - P-Stat +

• IP Rating - IP21

• Max. Load - 16 A (3840 W) • Installation Depth - Min 35mm Pattress

• Dimensions - (H/W/D): 81 x 81 x 25 mm (from wall surface)

• Sensors - Air & Floor

• Compatibility - eUFH

• Sensor Type - 2.5m NTC 100K (can be extended to 50 m)

• Er-P Class - I

• Insulation Class - II

• Standards - EN60730-1 & EN60730-2-9

Gently press a at head screwdriver

into the plastic release clips

highlighted above and pull face

outwards, unclipping from the base.

Place the frame and thermostat

face somewhere safe.

Wire as shown above and install to

a 35mm deep (min.) pattress

1 & 2: NTC100K Floor Sensor

(No Polarity)

3: PE - Supply and Load Earth

4: L1 - Load Live

6: N - Supply Neutral

5: N1 - Neutral Live

7: L - Supply Live

NTC 100K

SENSOR PE L1 N1

2 3 4 5 6 7

Floor Sensor

(No Polarity)

Heaters

(Max. 16 Amps)

230V AC

Supply

To access advances setting, PRESS and HOLD and simultaneously for 5 seconds.

PRESS SET to navigate through the dierent advanced settings. Use or to adjust the setting. PRESS OK to

exit advanced settings

Display Function Range Default

CL Display temperature calibration -4 °C - + 4 °C 0

bL Backlight 1 = (OFF) 2 = (ON) 3 = (Always ON) 2

AF Sensor selection A = Air sensor F = Floor sensor AF = Air with

oor limit** AF

Set maximum settable temperature

for oor sensor (F), air sensor (A)

and air sensor with oor limit (AF)

Floor Sensor

(F) + 18°C - + 45°C

Air Sensor/Air Sensor with Floor Limit

(A/AF) + 18°C - + 35°C

F = (45°C)

A = (35°C)

AF = (35°C)

FL Minimum oor temperature limit Floor Sensor (F) + 5°C - + 20°C 10°C

FH Maximum oor temperature limit Floor Sensor (F) + 25°C - + 50°C 50°C

PS Weekly schedule day selection 3 = (1-5 Block, 1 + 1) 7 = 7 Days 3

CS No. of programs per day P4 = 4 Programs per day / P6 = 6 Programs per day P4

CF Select °Celsius / °Fahrenheit C = °Celsius / F = °Fahrenheit °C

CO Set 24hr /12hr Clock 24h / 12h 24h

LD Set heating load* HH = (16 - 12 A), H = (11 - 8 A), L (≤7 A) H

SE Sensor Selection 100 = 100K / 10 = 10K sensor 100

To reset advanced settings to factory default PRESS and HOLD for 3 seconds when the thermostat is idle and the

heating schedule mode is displayed, . ConF will ash, PRESS OK to accept.

* Failing to set the Heating Load correctly will reduce the accuracy of the thermostats air temperature reading

** To view current oor temperature when the thermostat is set to AF (Air with oor limit), PRESS and HOLD for 3

seconds

Advanced Settings

Troubleshooting

Code Fault Action

E1 Floor sensor short circuit in type F or AF Check the sensor resistance and replace if it is damaged. Expected

resistance: 100kΩ at 25°C, 125.5kΩ at 20°C, 157.4kΩ at 15°C

E2 Floor sensor not installed or broken in

type AF

Check the sensor resistance and replace if it is damaged. Expected

resistance: 100kΩ at 25°C, 125.5kΩ at 20°C, 157.4kΩ at 15°C

E3 Air sensor short circuit Exchange device or operate using oor sensor only

E4 Air sensor damaged Exchange device or operate using oor sensor only

E5 Wrong oor sensor installed Remove oor sensor and install a 100K or 10K oor sensor

Open Window Function - The P-Stat + features open window function which detects when there is a sudden drop in

temperature (1.5°C or more within 3 minutes) when a window is opened and will switch your heating o saving you

energy. The heating will reactivate if the temperature increases again (1.5°C in 30 minutes). PRESS any button to

return to heating schedule mode.

To access advances setting, PRESS and HOLD and simultaneously for 5 seconds.

PRESS SET to navigate through the dierent advanced settings. Use or to adjust the setting. PRESS OK to

exit advanced settings

P-Stat + Programmable Thermostat

EN - OPERATING INSTRUCTIONS

1 2

3 4 5

87 9

10 16

13 14

1 - Set Button

2 - OK Button

3 - Power Button

4 - Navigation Buttons

5 - Factory Reset (Insert pin)

6 - Manual Mode

7 - Displayed When Programming

8 - Heating Schedule Active

9 - Heating Schedule Mode

10 - Advanced Setting Conguration

• PRESS SET when the thermostat displays current oor/air temperature.

• PRESS SET again, the minutes will ash. PRESS or to set the minutes.

• PRESS SET again, the hour will ash. PRESS or to set the hour.

• PRESS SET again, the day of the week will ash (1-7). PRESS or to set the day. PRESS SET to nish.

To view the current time PRESS SET while the thermostat is idle. The thermostat will revert to its idle display after 20

seconds or if you PRESS OK.

• PRESS and HOLD OK for 3 seconds to switch from schedule to manual mode.

• PRESS OK once to return to schedule mode.

Manual Mode - Allows you to set a xed temperature for the thermostat to maintain.

Heating Schedule - Setting a Heating Schedule allows you to set comfort temperatures at set times throughout the day.

The thermostat can bet set so that MON - FRI (1 - 5) is programmed as a block with SAT (6) and SUN (7) programmed

individually. Alternatively the thermostat can set so that you program each day individually, see advanced settings on

how to switch between schedule settings.

Typically when setting a 6 period schedule, periods 1, 3 and 5 will be heating periods with periods 2, 4 and 6 being

setback or “O”. To switch to a 4 period schedule see advanced settings.

11 - Displays current Floor/Air Temperature

12 - 1-7 Days of the Week

13 - Heating Indication

14 - Schedule Period

15 - Temperature (Clock)

16 -

Air mode Floor mode Air Mode with

Floor Limit

Setting Time/Day

Setting Manual Mode or Heating Schedule

Period Time Temperature Comment Schedule Period

Period 1 06:00 20°C Wake up. Initial heating period of the day

Period 2 08:00 15°C Leaving the house.

Period 3 17:30 22°C Back for lunch

Period 4 17:30 22°C Leave house after lunch

Period 5 17:30 22°C Back home

Period 6 22:00 15°C Go to bed. Final period of the day

• PRESS or to adjust your target temperature. PRESS OK to nish.

Operating in Manual Mode

NOTE: The target temperature must be above the current air and/or oor temperatures for the heating to be activated.

Operating in Schedule Mode

Warranty

Contact

The weekly schedule can be congured to operate on 3 schedules, (Weekdays, Saturday, Sunday) or 7 schedules, with

each day on own. The schedule format can be changed in the advanced settings.

• With the heating schedule mode displayed , PRESS and HOLD SET for 3 seconds until 1 - 5 block begins to ash.

• PRESS SET again to begin setting the start time of the 1st period.

• PRESS or to adjust the parameters.

• PRESS SET when done to move to the next adjustment (target temperature / next period).

• Repeat the steps above to program the time and target temperatures for the other periods.

• PRESS OK to nish.

To reset your heating schedule to factory default PRESS and HOLD for 3 seconds when the heating schedule mode

is displayed . ConF will ash, PRESS SET, ProG will ash, PRESS OK to accept.

NOTE: If set to 7 day in advanced settings each day will have to be programmed individually.

Setting a Heating Schedule

When the thermostat is set to heating schedule mode, setting a temporary override allows you to set a temperature

you would like the thermostat to reach until the next period. PRESS or to set the target temperature. When a

temporary override is set both and will be displayed.

The thermostat will resume its normal schedule at the start of the next period, alternatively to cancel a temporary

override and return to heating schedule mode PRESS OK.

Setting a Temporary Override

This SunStone thermostat is backed up by Warmup’s team of engineers and is guaranteed against any fault caused by

manufacturing defect for a period of 2 years from date of purchase. There is no other warranty, express or implied. No

claim can be brought against the manufacturer or its agents for any consequential damages whatsoever. This warranty

covers the cost of replacement or repair of the SunStone P-Stat + thermostat only, subject to the discretion of the

manufacturer. This is the sole warranty, express or implied. The manufacturer or its agents cannot be held liable for any

resultant damages. Visit sunstone.co.uk to complete the warranty registration. Proof of purchase is needed in the event

of a claim, so keep your invoice with this warranty. This warranty is subject to the following conditions:

1. This warranty must be registered online

2. The thermostat must have been installed and used in full accordance with this installation manual.

3. The thermostat must have been earthed and protected by an RCD at all times.

4. The warranty is returned to SunStone within 30 days of purchase of the heater(s).

5. If SunStone or its agents carry out diagnostic or remedial work as a result of a claim being made, agents shall have

the right to levy reasonable charges for the work undertaken by them.

6. All electrical regulations are complied with and electrical work is undertaken by a qualied and Part P certied

electrician.

This warranty does not cover heater failure due to incorrect installation or tiling. Please check that the heater is

working (as laid out in the installation manual) prior to tiling.

Technical Helpline - 0345 034 8272

Warmup Plc, 702 & 704 Tudor Estate, Abbey Road, London, NW10 7UW

4SunStone - IM - PStat+ - V1.3 2020-03-11

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