Pentair NRG-Temp User manual

NRG-Temp

EN-NRGtemp-IM-EU0309 R0

THERMAL BUILDING SOLUTIONS

210116

Software version 3.2

pentairthermal.com/manuals/

CZ – DA- DE- EN – ES – ET – FI – FR – HU – IT – LT – LV – NL – NO – PL – RU – SV

70.5

Figure 1

Figure 2

1Content 3

2Description 6

Mounting and installation 7

3.1 Mounting the Thermostat 7

3.2 Mounting the Floor Sensor 9

3.3 Connection of the Thermostat to

the power supply 10

3.4 Product specific information 11

3.4.1 NRG-Temp in combination with

T2QuickNet heating mat 11

3.4.2 NRG-Temp with the T2Red

(T2Reflecta) self-regulating cable 11

4Getting started 11

5Navigation 12

Functions 14

6.1 Comfort Temperature “

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EcoHome

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”14

6.2 Reduced Temperature “

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EcoHome

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”14

6.3 Automatic “

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6.3.1 In Comfort Program 15

6.3.2 In Economic Programs

(EcoH/EcoO)

6.4 Booster “

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EcoHome

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”15

6.5 Set time and day “

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6.6 Program selection “

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”16

6.6.1 Program 1: Comfort

(Co)

6.6.2 Program 2: Economic home

(EcoH)

6.6.3 Program 3: Economic office

(EcoO)

6.6.4 Program 4: OFF

(standby mode)

6.7 Programming “

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”19

User settings (

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) 20

7.1 The standard User Menus 21

7.1.1 User Menu 1: Sensor Setting 21

7.1.2 User Menu 2: Service read out 21

7.1.3 User Menu 3: Calibration of the

floor temperature (offset value) 22

7.1.4 User Menu 4: Calibration of the

room temperature (set value) 23

7.1.5 User Menu 5: Display back-light

“on” duration 23

7.1.6 User Menu 6: Minimum temperature

set point for the floor sensor 24

7.1.7 User Menu 7: Maximum temperature

set point for the floor sensor 24

7.1.8 User Menu 8: Minimum temperature

set point for the room sensor 24

7.1.9 User Menu 9: Maximum temperature

set point for the room sensor 25

7.2 The Installers or Advanced User

Menus 25

7.2.1 User Menu A: Adaptive function

(ITCS – Intelligent Temperature

Control System) 25

7.2.2 User Menu B: “First warming”

function 25

7.2.3 User Menu C: Running time 26

7.2.4 User Menu D: Adjustable switching

hysteresis 26

7.2.5 User Menu E: Delayed Start-Up 26

7.2.6 User Menu F: Frost protection

for OFF Program 27

7.2.7 User Menu G: Proportional

regulation 27

7.2.8 User Menu H: Set back

temperature offset 27

Other features 27

8.1 Learning feature 27

8.2 Key lock feature 28

8.2.1 Lock: 28

8.2.2 Unlock: 28

8.3 External Set Back feature

(Pilot Wire) 28

9Trouble shooting 29

10 Reset to factory settings 30

11 Technical specification 30

12 Approvals and declarations 31

ATTENTION

This appliance can be used by children aged from 8

years and above and persons with reduced physical,

sensory or mental capabilities or lack of experience

and knowledge if they have been given supervision or

instruction concerning use of the appliance in a safe

way and understand the hazards involved. Children

shall not play with the appliance. Cleaning and user

maintenance shall not be made by children without

supervision.

2 DESCRIPTION

The NRG-Temp thermostat is a smart thermostat

designed for electrical underfloor heating. It is

designed to control your underfloor heating in order

to give you the best possible comfort at the lowest

energy consumption. The NRG-Temp is equipped

with an ambient sensor and a floor sensor and is thus

capable of monitoring and controlling your underfloor

heating cables in 3 different modes (Room sensing

mode / floor sensing mode / Room sensing mode with

floor limiter) depending on your needs.

The NRG-Temp will switch on and off your underfloor

heating in order to obtain the set-temperature.

When the NRG-Temp is switching on the electrical

underfloor heating, the symbol (

[ ]

EcoHome

EcoOfﬁce

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) is visible on the

display.

The NRG-Temp is a Programmable Timer Thermostat

that is preloaded with 4 programs (see Table 1).

Program Name Description Symbol

Comfort

Program

In the Comfort Program, the NRG-

Temp is aiming for 1 temperature only

(called the Comfort temperature).

Standby

Program Use the Standby program to switch

off your heating for a long period of

time (like for instance during the

summer period). While operating in

Standby, the NRG-Temp can be set in

frost protection mode (see 7.2.6).

OFF

Economic

Home Program The NRG-Temp is preloaded with 2

economic programs. During these

economic programs, the NRG-Temp

is aiming at 2 different temperatures

(Comfort and Reduced temperature

see Table 2) based on a weekly

schedule. The Economic Home is a

schedule designed for a home with a

working day schedule different from

the weekend schedule (see 6.6.2).

EcoH

Economic

Office Program The Economic Office is a schedule

designed to be used in offices with a

working day and a weekend schedule

(see 6.6.3).

EcoO

Table 1

There are different possible set-temperatures in the NRG-

Temp thermostat (see Table 2).

Set-

temperature Description Symbol

Reduced

Temperature When nobody is present in the

room, it would be a waste of energy

to heat up the floor. In the EcoH or

EcoO programs, the NRG-Temp is

switching between the Reduced and

the Comfort Temperature based on a

weekly schedule.

[ ]

EcoHome

EcoOfﬁce

Standby

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

Comfort

Temperature Temperature maintained in order to

have a good comfort feeling when

being present in the room.

[ ]

EcoHome

EcoOfﬁce

Standby

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

Booster

Temperature Sometimes it can be interesting to

give a boost to your underfloor

heating. The booster function will

raise your Comfort temperature by

5°C during a period of 2 hours.

[ ]

EcoHome

EcoOfﬁce

Standby

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

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Manual

Override

Temperature

(Only in EcoH or

EcoO program)

In the Economic programs of the

thermostat, the temperature can be

overridden temporarily at any time.

As soon as there is a new timer

event, the temperature will return

to the Reduced or to the Comfort

temperature depending on the time

schedule of the Economic program.

[ ]

EcoHome

EcoOfﬁce

Standby

•

0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

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0h • 3 • • 6 • • 9 • • 12 • • 15 • • 18 • • 21 • • 24

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Table 2

3 MOUNTING AND INSTALLATION

3.1 MOUNTING THE THERMOSTAT

NRG-Temp is intended for flush mounting in a

standard 65 mm wall box. It should be positioned

approximately 1.5 Metres above the floor, protected

from direct sunlight and draughts. All electrical

conduits passing into the wall box that contain

cables must also be sealed to protect the thermostat

against draughts, e.g. with a piece of insulation in

the conduit outlet.

±1,5 m

Figure 3

If the NRG-Temp is mounted in a wall with a rough

surface, e.g. bricks, use silicon glue to make a seal

between the wall and the thermostat frame.

Note: The NRG-Temp can also be mounted on a wall

with a wall box.

Assembly frame and front of thermostat can be

removed by pushing gently with a screw driver on the

two fasteners located on each side of the thermostat

(see Figure 4).

Figure 4

3.2 MOUNTING THE FLOOR SENSOR

The floor sensor should be installed in a separate

flexible conduit for easy replacement and in order

to avoid signal disturbance resulting in a possible

malfunction of the thermostat. For best control

performance, position the floor sensor between two

heating cables as close as possible to the top floor

surface.

Do not position the floor sensor tip closer than 3 cm

to the heating cable.

500 mm

Figure 5

Remark: The floor sensor cable can be extended to

100 m with a separate standard installation cable

2 x 1.5 mm2(230VAC).

3.3 CONNECTION OF THE THERMOSTAT TO

THE POWER SUPPLY

The thermostat must be connected to 230VAC

according to the circuit diagrams (Figure 6).

Direct connection – e.g. single heating circuit

Connection via contactor – e.g. 3 heating circuits

Pilot wire

signal

(France)

Power supply

230 VAC

Floor

sensor

HEAT

10K

NTC

SENSOR

LNPE

Heating cable

230 VAC

Max.13A

10K

NTC

K1 A2

1 3 5

2 4 6

L L L

N N N

L1 L2 L3 N PE

HEAT

SENSOR

Pilot wire

signal

(France)

Power supply

230 VAC

Floor

sensor

Power supply to

heating cables

K1: contacter

with integrated

suppression

device

Do not use contactor without interference ﬁlter.

Figure 6

If you connect multiple heating cables, you must

use a contactor (Normally Open) with integrated

suppression device (Figure 7).

Direct connection – e.g. single heating circuit

Connection via contactor – e.g. 3 heating circuits

Pilot wire

signal

(France)

Power supply

230 VAC

Floor

sensor

HEAT

10K

NTC

SENSOR

LNPE

Heating cable

230 VAC

Max.13A

10K

NTC

K1 A2

1 3 5

2 4 6

L L L

N N N

L1 L2 L3 N PE

HEAT

SENSOR

Pilot wire

signal

(France)

Power supply

230 VAC

Floor

sensor

Power supply t

heating cables

K1: contacter

with integrated

suppression

device

Do not use contactor without interference ﬁlter.

Figure 7

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