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742.114 | 14.50

Installation

Note

The following section describes only the installation of the

controller

. Follow the instruc-

tions of each respective manufacturer when installing external components (collectors,

pumps, storage tanks, valves, etc.).

4.1

Opening / Closing the casing

4.1.1

Removing the front panel

Grasp the front panel



by the grooves at the sides



and pull forwards



(Fig. 1).

Fig. 1: Removing the front panel

4.1.2

Mounting the front panel

Carefully position the front panel



and then press it onto the casing until it latches

into place.

4.1.3

Removing the terminal cover

Danger

Risk of death by electrocution!

•

Disconnect the controller from the power supply before removing the terminal

cover.

•

Make sure that the power supply cannot be unintentionally switched on when the

device is open.

1. Remove the screw



(Fig. 1).

2. Remove the terminal cover



4.1.4

Mount the terminal cover.

1. Position the cover



2. Tighten the screw



to a torque of 0.5 Nm (4.4 lbf inch).

Содержание TR A502 TT

Страница 1: ...Temperature differential controller 5 inputs 2 outputs 742 114 Z03 14 50 Subject to change due to technical improvements EN Installation and operating instructions...

Страница 2: ...asing 17 6 2 Display 17 7 Operation 20 7 1 Operating buttons 20 7 2 Display when operating 20 8 Modes of operation 20 8 1 Changing the mode of operation 20 8 2 Off mode 21 8 3 Manual mode 21 8 4 Autom...

Страница 3: ...ply when the casing is open or damaged cables are damaged Factory labels and markings must never be altered removed or rendered unreadable The prescribed conditions of use must be adhered to more info...

Страница 4: ...the necessary training knowledge and experience and knowledge of the ap plicable regulations in order to evaluate and recognise the dangers inherent in the following work Installation of electrical e...

Страница 5: ...Fig 1 Fig 1 Removing the front panel 4 1 2 Mounting the front panel X Carefully position the front panel and then press it onto the casing until it latches into place 4 1 3 Removing the terminal cove...

Страница 6: ...necessary remove the terminal cover 2 Screw in the screw for the upper mounting hole Fig 2 until the screw head has a clearance of 5 7 mm 0 20 0 28 inch from the mounting surface 3 Hang the controlle...

Страница 7: ...ins power as follows using a plug connected to a wall mains socket or via an isolating mechanism allowing complete isolation in the case of permanent wiring The power supply cable must be laid in conf...

Страница 8: ...tective conductor terminal block PE 4x protective earth common protective earth for power connection terminal block Signals terminal block 1 4 4x sensor input Pt1000 temperature sensor 5 1x sensor inp...

Страница 9: ...t PE then N and L Strain relief First clamp the lower strain relief clamps and then the upper strain relief clamps When using the upper strain relief clamps use the plastic links as described below If...

Страница 10: ...als The following table provides information on the graphic and number of the solar energy system on the controller display the graphic is only intended to provide an overview and is not a technical d...

Страница 11: ...r storage tank sensor T3 upper storage tank sensor R1 solar circuit pump R2 zone loading switching valve 4 1 2 3 R1 N PE 0 10R1 1 R2 N PE 1 storage tank 2 collector arrays R1 R2 T1 T3 T2 T1 collector...

Страница 12: ...orage tank sensor T3 swimming pool sensor R1 solar circuit pump R2 storage tank switching valve 6 1 2 3 R1 N PE 0 10R1 1 R2 N PE Tab 1 Terminal pin assignments 1 Terminal pin assignments for 0 10 V co...

Страница 13: ...The first time the controller is switched on the following main settings are made blockwise via a guided configu ration process Fig left Time System hydraulic variant Type Standard high efficiency pu...

Страница 14: ...p pay atten tion to the pump characteristics Only if HE was selected in step 10 Press to set the characteristic of the high effi ciency pump see Tab 2 and Fig 6 p 16 13 Press SET If bA or bb was selec...

Страница 15: ...ss to skip the setting of the functions Ok flashes Continue with step 30 22 Press to select a different function Function description in Section 10 3 23 Press SET oFF is displayed 24 Press SET oFF fla...

Страница 16: ...isplay Pump type Characteristic curve bA High efficiency pump with a 0 10 V profile for a rising characteristic curve Fig 6 0 V Pump off 10 V Max pump speed bb High efficiency pump with a 0 10 V profi...

Страница 17: ...panel 4 1 Terminal cover 4 3 1 1 Terminal cover fastening screw 1 Section 4 3 1 describes the terminals under the terminal cover Fig 7 Front view of the controller 6 2 Display 6 2 1 Overview B l g p F...

Страница 18: ...orage tank Domestic water outlet Swimming pool Cooler for active cooling External heat exchanger Back up heating Temperature sensor Solid fuel boiler Sufficient solar irradiation available for loading...

Страница 19: ...time control of functions This symbol is displayed when a time restriction control has been set the status of time restriction control is displayed the time restriction blocks a temperature control s...

Страница 20: ...ng Sets the operating mode Note We recommend that you write down all settings that you have changed e g in Sec tion 18 p 55 7 2 Display when operating A flashing component in the system graphic means...

Страница 21: ...menu Current temperatures and operating hours can be displayed status display When changing to manual mode all outputs are switched to A R1 is displayed Exception initial commissioning all outputs at...

Страница 22: ...of external components tempera tures switching states run times Display stored min max values temperature sensors or sum difference values op erating hours1 of the pumps and valves Summed values symbo...

Страница 23: ...ts component flashes 2 Press SET The min max difference values are displayed alternately 3 If desired press and hold the SET button for 2 seconds to reset the currently displayed value 4 Press ESC The...

Страница 24: ...y pump valve controlled 2 2 1 swimming pool 1 collector array 3 1 1 storage tank 1 collector array 1 1 1 storage tank with heating return increase 1 collector array 1 2 2 storage tanks 1 collector arr...

Страница 25: ...factory settings Switch off temperature difference solar circuit 2 P07 Switch on temperature difference external heat exchanger P08 Switch off temperature difference external heat exchanger P09 Maximu...

Страница 26: ...Press to change the minute 5 Press SET The change is adopted 9 4 Setting the system Note A system overview is provided in Section 4 4 p 10 Syst flashes 1 Press SET The number of the current system fla...

Страница 27: ...first priority storage tank 1 Every 30 minutes the controller checks to see if the first priority storage tank can be loaded Due to the warming of the collector array this check can take several minu...

Страница 28: ...ws Func flashes 1 Press SET F 01 flashes 2 Press to display the next function Activating the function A function must be activated activation on Fig left and all the associated characteristics must be...

Страница 29: ...set The function number flashes 10 2 Characteristics The main characteristics for the functions are described below The figures show exam ples Output When a function should control an output instead o...

Страница 30: ...be set The relevant sensor symbols flash Switch on temperature If a function contains a thermostat then the switch on tem perature can be set The relevant sensor symbol flashes Switch off temperature...

Страница 31: ...racteristics in the same sequence as they appear on the display The columns contain the following information from left to right Column Description Display Sample display when setting the characterist...

Страница 32: ...s are satisfied When the speed control is activated and the solar irradiation is too low no sun symbol on the display the pump runs at minimum speed After expiry of the stabilising time the controller...

Страница 33: ...Circulation Switches a circulation pump on and off on a temperature and or time controlled basis Temperature control If the temperature in the circulation return falls below the Ton value then the ci...

Страница 34: ...ing an oil or gas burner The function can be time restricted Temperature control If the temperature in the storage tank falls below the Ton value then the external heating is switched on until the Tof...

Страница 35: ...e reaches the max storage tank tem perature Speed control of the pump can be activated as required The loading strategy of the speed control system attempts to regulate the tempera ture of the solid f...

Страница 36: ...e first priority storage tank is changed from differential loading to absolute temperature loading as soon as the temperature in the upper tank region drops below Ton At the same time an attempt is ma...

Страница 37: ...equires the conversion factor lbsCO2 kWhtherm to be entered Display Characteristic min max Factory setting Activation on oFF oFF Type of flow rate acquisition tyP 1 tyP 2 1 l g Type 1 flow rate value...

Страница 38: ...ng points pump speed min and max tyP 2 determining the flow rate using a pulse water meter The flow rate of the pulse water meter is entered in litres pulse 2 Only for systems with 2 pumps Enter the d...

Страница 39: ...F Switch off temperature Toff 32 F 350 F 70 F Time restriction on oFF oFF Time window 1 start end Time window 2 start end Time window 3 start end 0 00 0 00 0 00 23 59 23 59 23 59 00 00 00 00 00 00 00...

Страница 40: ...ure difference Tdiff on Tdiff off 4 F 160 F 12 F Switch off temperature difference Tdiff off 0 F Tdiff on 4 F 6 F Heat source max temperature Tsrc max Tsrc min 4 F 350 F 212 F Heat source min temperat...

Страница 41: ...Display Characteristic min max Factory setting Activation on oFF oFF Time window start end 0 00 23 59 08 00 19 00 Wait time 1 min 999 min 15 min Switch on duration 3 s 999 s 5 s 10 3 10 Reduction of...

Страница 42: ...rgy via the collector circuit This function cannot be activated in systems with swimming pools This function cannot be active at the same time as the drainback function Display Characteristic min max...

Страница 43: ...temperature sensor on the collector Collector sensor or cable is broken or has a short circuit The collectors are installed in a position exposed to the wind Solar circuit pump is faulty Note This fu...

Страница 44: ...in max Factory setting Activation on oFF oFF Output free output R1 R2 Rs Control norm InV 2 norm 1 More information is provided in Section 14 2 p 50 2 norm normal contact closes when a fault occurs In...

Страница 45: ...empera ture swimming pool 50 F 115 F 85 F When the maximum tem perature is exceeded no more loading occurs until the tem perature drops to 1 F below the set value Switch on tempera ture difference sol...

Страница 46: ...n P14 and the temperature of the secondary side of the heat exchanger controls the solar circuit pump and the storage tank loading pump 1 Minimum tempera ture loading circuit 32 F TP14 40 F 32 F The s...

Страница 47: ...only 0 100 75 Control of the stor age tank loading valve norm InV norm norm normal must be set when the valve has been installed according to the installation instructions in Sec tion 4 4 p 10 InV inv...

Страница 48: ...The maximum collector temperature has been reached the solar circuit pump in the respective solar circuit has been switched off The symbols in the status display flash when the temperature of the resp...

Страница 49: ...er not functioning at all Display empty dark Controller power supply is interrupted Check the controller power cable Check the fuse for the power supply Controller constantly displays 12 00 12 flashes...

Страница 50: ...ve is closed Check the isolating valve Limescale or contamination in solar circuit Clean the solar circuit flush Solar circuit pump shows cycle behaviour Temperature difference too small Adjust temper...

Страница 51: ...p is faulty Wiring fault Check the pump Check the wiring from R1 Output R1 is overloaded the pump connected to output R1 flashes Cause The permissible values for R1 specified on the type plate have be...

Страница 52: ...temperature sensor with an ohmmeter and compare with the following table Small deviations are acceptable 4 Mount the terminal cover Temperature resistance assignments Temperature F 22 4 14 32 50 68 86...

Страница 53: ...1 0 A 24 V Signal outputs 0 10 R1 0 10 R2 Type Min working resistance 0 10 V 10 k Interfaces TTL interface Type Application 6 pin strip connection of a TTL USB interface cable further informa tion can...

Страница 54: ...notice 17 Legal guarantee In accordance with German statutory regulations there is a 2 year legal guarantee on this product for the customer The seller will remove all manufacturing and material faul...

Страница 55: ...55 742 114 14 50 EN 18 Notes...

Страница 56: ...742114...

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