JRGUTHERM 2T - Thermostatic circulation controller with shut-off valve

JRG Valves JRGUTHERM 2T Thermostatic circulation controller with shut-off valve

Construction 3 T1 T2 T1 Hot water valve 1 2 T2 Disinfection valve 1 Primary connection 2 Secondary connection 3 Connection for thermometer/ PT 1000 temperature sensor 5 4 4 Connection for drain/sample valve 5 Plug for basic volume bore 6 Shut-off valve 6 P lanning instruction Even with self-regulatory circulation controllers such as If there is any danger of the water flowing through the the JRGUTHERM 2T, a simplified design of the installation JRGUTHERM 2T controller in the wrong direction, this is possible. is to be avoided by the installation of suitable non-return valves. We recommend the installation of JRG Code 8208 Recommended temperature spreading between the screw connections with non-return valves. water heater and the JRGUTHERM 2T is 2-5 K. In case of queries with regard to technical compatibility, In order to select the suitable circulation pump, the please feel free to contact our Technical Sales Advisers or discharge flow of the entire system has to be determined. Our Technical Customer Service. The pressure loss of the JRGUTHERM 2T is measured on the kVmax line on the diagram. The regulators in the remaining pipe lines are to be selected in such a way that the intersection of the flow rate and the required pressure drop lies within the interpretation field. A JRGUTHERM 2T is to be integrated into all circulation loops. 2

Function A dvantages The JRGUTHERM 2T circulation controller regulates the volume flow in normal as well as in disinfection • operation mode by permanently sensing the water Simple flow calculations • temperature with a thermostat. Hydraulic calibration No setting-up calculations • is automatically effected through thermal calibration. Two temperatures, two thermostats • Automatic hydraulic balance, thermostatically controlled • Materials Energy saving thanks to minute balance • All water-bearing parts are made of gunmetal, copper, Controlled through seat valve • stainless steel or high quality plastic, seals are made of Large temperature setting range • EPDM. Operates without external power • Basic volume bore exchangeable • Installation position Basic volume bore inactive during disinfection The JRGUTHERM 2T circulation controller can be instal- led in any position. By using the appropriate threaded shut-off valves, non-return and shut-off valves can be directly integrated. For revision purposes, we recommend installing shutoff valves, JRG Code 8339, before and after the circulation controller. Area of application The JRGUTHERM 2T is a thermostatic circulation control- ler for heated drinking water which regulates circulation in normal as well as in disinfection operation mode. Setting range T1 (hot water temperature) 35-60°C Setting range T2 Skala 0-5 (disinfection temperature) (≈70-75°C) Maximum temperature load 90°C Maximum operating pressure PN 10 40 kPa Maximum differential pressure (0,4 bar) The JRGUTHERM 2T flow regulator is protected from over-heating. The circulation controller may not be used in gravity circulation systems. Certification pending. Technical changes remain reserved at all times. 3

Control characteristics T [°C] K 3V [m /h] KV max 1.0 KV max 0.85 T Water heaterlead time T JRGUTHERM 2Tactual KV actual KV-value KV min 0.1 KV min 0t [min] Phase 1 Phase 2 Phase 3 Phase 4 T1 Basic volume T2 Operating phases Control characteristics with factory-set target temperature: T1-hot water temperature 58°C (range: 35-60°C) T2-disinfection 70°C (range: 70-75°C) Operating phases Description of control characteristics 1 The hot water temperature is controlled. The thermostat T1 regulates the calibration temperature according to factory-set value of 58°C. 2 An increased hot water temperature supply to the JRGUTHERM 2T triggers a disinfection. 3 With factory settings the conversion is started at 66°C, the valve temporarily opens to the maximum KV value T2. Disinfection starts and the calibration. 4 The disinfection temperature is set according to the pre-set calibration temperature T2. Heat output and the required amount of water are coordinated and thus the thermal calibration is automatically controlled. The basic bore is set to inactive and the water volume is reduced to the required volume flow. 4 Temperature Operating range Operating range Volume flow or pressure difference

Nomogram KV-range T1 0.1 m3/h T = 0.85 m3/h T = 1.0 m3/h 1000 2 1 K min £ 0.1 m3V /h KV max T 3 1 = 1.0 m /h 100 10 10 100 1000 Circulation flow volume [l/h] 5 Pressure difference [mbar] Recommended operating conditions

Installation example Upper distribution Pipe on pipe Conventional V < 3 l m3 m3 V < 3 l Single circulation DIN Text JRG Code TWK – Cold water – WKR TWW – Hot water – WWV TWZ – circulation WW – WWR Stop valve 5200-34 Non-return valve 1610-15 Swing check valve 1682 Adjustable socket 6310 JRGUTHERM 2T circulation controller 6325 Circulation pump Drain valve 6000-12 Circulation collector Water meter 5450 m3 Ball valve 6020/23 6

JRGUTHERM 2T/Accessories JRGUTHERM 2T Circulation Controller, PN 10 • Temperature: max. 90°C • Material: gunmetal •  Connection: male thread GN DN JRG GF Weight (inch) (mm) Code Code (kg) 1∕2 15 6325.015 350 831 421 1.033 3∕4 20 6325.020 350 831 422 1.110 GN DN b1 d1 G d2 h1 h2 h3 l1 l2 l3 l4 l5 l6 ⎔ (inch) (mm) (mm) (inch) (inch) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) 1∕2 15 37 3∕ 14 ∕4 64 57 33 110 6 57 260 82 61 4 3∕4 20 37 1 1∕4 64 57 33 123 7 64 260 82 61 4 Thermometer • Description: to 3500, 3510, 6325 •  Material: stainless steel GN DN JRG GF Weight d d1 G l1 l2 ⎔ (inch) (mm) Code Code (kg) (mm) (inch) (mm) (mm) 1∕4 8 8349.080 350 830 191 0.080 52 1∕4 19 35 17 Temperature sensor PT 1000, PN 10  • Temperature: max. 0 - 105°C GN DN JRG GF Weight d1 G l1 l2 ⎔ (inch) (mm) Code Code (kg) (inch) (mm) (mm) 1∕4 8 6326.001 350 830 182 0.072 1∕4 46 1000 16 7

Accessories/Unions Thermometer • Description: to 8348.080  • Material: brass, plastic d JRG GF Weight d1 l1 (mm) Code Code (kg) (mm) (mm) 52 8348.001 350 830 194 0.030 9 62 Sleeve • Description: to 8348.001 •  Material: stainless steel, EPDM GN JRG GF Weight d1 G d2 l1 l2 ⎔ (inch) Code Code (kg) (inch) (mm) (mm) (mm) 1∕4 8348.080 350 830 192 0.030 1∕4 9 15 35 13 JRG LegioStop Drain cock, PN 16 • Temperature: max. 90°C (adjustable to 45°C) • Material: brass • Connection: male thread *  to 5120 GN DN JRG GF Weight d1 R d2 d3 h l l1 l2 (inch) (mm) Code Code (kg) (inch) (mm) (mm) (mm) (mm) (mm) (mm) 1∕4 8 7301.080 350 896 020 0.053 1∕4 30 14 45 46 25 38 8

Accessories/Unions Sampling valve, PN 16 • Description: for microbiological water analysis with temperature indicator • Temperature: max. 90°C • Material: gunmetal, stainless steel, EPDM  • Connection: male thread GN DN JRG GF Weight (inch) (mm) Code Code (kg) 1∕4 8 7306.080 351 110 365 0.190 GN DN d1 R d3 h l l1 l2 ⎔1 ⎔3 ⎔2 (inch) (mm) (inch) (mm) (mm) (mm) (mm) (mm) 1∕4 8 1∕4 8 65 35 16 125 20 14 5 Union, PN 10 • Description: to 3600, 6320, 6325 • Temperature: max. 90°C • Connection: female thread •  Consisting of: ball valve, lockable, loose nut GN DN JRG GF Weight d1 Rp d2 G l ⎔1 ⎔2 ⎔3 z (inch) (mm) Code Code (kg) (inch) (inch) (mm) (mm) 1∕2 15 8339.240 350 887 710 0.170 1∕ 32 ∕4 55 30 27 6 43 3∕4 20 8339.320 350 887 911 0.260 3∕4 1 55 37 32 6 47 Union with non return valve • Material: brass, plastic, EPDM  • Connection: male thread GN DN JRG GF Weight d1 R d2 G l l1 l2 z ⎔1 ⎔2 (inch) (mm) Code Code (kg) (inch) (inch) (mm) (mm) (mm) (mm) 1∕2 15 8208.240 351 055 901 0.090 1∕ 32 ∕4 40 34 6 19 30 19 3∕4 20 8208.320 351 056 001 0.150 3∕4 1 44 37 7 20 37 24 9

Adjustment/Setting ranges Setting up the circulation controller Adjusting the circulation controller In principle, all circulation controllers built into the Changing the factory settings is at the sole responsibility system must be adjusted to the same values. of the performer. A stepless adjustment is possible. The factory settings of the JRGUTHERM 2T circulation The adjustment values are shown in the tables 1 and 2. controller can be changed as follows: The individual circulation lines are automatically Remove the sealing cap and apply Allen key to the respec- calibrated. tive hexagon socket – either T1 for hot water temperature or T2 for disinfection temperature. Transport packaging Turn the key clockwise to reduce and turn it counter- clockwise to increase the temperature. Don’t exceed the stop (minimum/maximum) when adjus- ting the temperature. After installation and adjustment, the transport packa- ging of the JRGUTHERM 2T circulation controller is used as thermal insulation. • Thermal conductivity D = 0.033 W/mK • Fire behavior (BKZ) 5.1/B1 • Application temperature ≤ 90°C 10

Adjustment/Setting ranges Setting ranges Table 1: Calibration temperature T1 (hot water) Minimal water temperature Maximal water temperature Setting [°C] water heater [°C] water heater [°C] 35 38 40 40 43 45 45 48 50 50 53 55 55 58 60 58 (factory setting) 61 63 60 63 65 Table 2: Calibration temperature T2 (thermal disinfection) Corresponds to disinfection Start temperature Minimal water temperature Scale setting temperature [°C] disinfection [°C] water heater [°C] 0 (factory setting) ~ 70 66 ³ 75 1 ~ 71 67 ³ 76 2 ~ 72 68 ³ 77 3 ~ 73 69 ³ 78 4 ~ 74 70 ³ 79 5 ~ 75 71 ³ 80 Maintenance • The JRGUTHERM 2T is maintenance-free. • The mounting and operating instruction delivered with the valve, has to be handed over to the building owner. 11

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They neither constitute expressly 37 251 62 warranted characteristics nor guaranteed properties nor a guaranteed durability. 1 / 08.17 They are subject to modification. Our General Terms of Sale apply. © Georg Fischer JRG AG Hauptstrasse 130 CH-4450 Sissach/Switzerland Telefon +41 (0) 61 975 22 22 info.jrg.ps@georgfischer.com Printed in Switzerland