COMPONENTS FOR SOLAR THERMAL SYSTEMS

Transcription

1 COMPONENTS FOR SOLAR THERMAL SYSTEMS

2 The Caleffi Solar product range has been specially developed for use in solar thermal systems, where high temperatures can normally be reached and where, depending on the kind of system, there can be glycol. Materials and performance of the components must necessarily take into account these particular operating conditions. COMPONENTS FOR PRIMARY CIRCUITS Automatic filling

3 AIR VENTS - SAFETY RELIEF VALVE - DEAERATOR 250 broch Consisting of: - Automatic air vent for solar thermal systems. Max. discharge pressure: 5 bar. Temperature range: C. 251 broch DISCAL Deaerator for solar thermal systems. Female connections. Max. discharge pressure: 10 bar. - Shut-off cock complete with seal. Temperature range: C F The automatic air vent must be shut off after the system has been filled /8 M 251 broch DISCALAIR Automatic air vent for solar thermal systems. Female connection. Max. discharge pressure: 10 bar. 253 broch Safety relief valve for solar thermal systems. Female connections. PN 10. Oversized discharge outlet. Power rating: 50 kw. TÜV certified to SV n TÜV SV SOL 50 p. Settings: 2, bar /2 F broch Shut-off cock complete with seal. Temperature range: C /2 F x F 1/2 F x F 1/2 F x F 1/2 F x F 1/2 F x F 1/2 F x F 2.5 bar 3 bar 4 bar 6 bar 8 bar 10 bar /8 M x 3/8 F 1/2 M x 1/2 F

4 CIRCULATION UNIT 255 broch Circulation unit for solar thermal systems, flow and return connection. Safety relief valve temperature range: C. Safety relief valve setting: 6 bar (for other settings, see 253 series). Flow meter max. temperature: 120 C. Consisting of: - Grundfos Solar circulation pump; - safety relief valve for solar thermal systems 253 series; - 2 fill/drain cocks; - instrument holder fitting with pressure gauge; - flow rate regulator with flow meter; - air vent; - flow temperature gauge; - return temperature gauge; - 2 shut-off valves and check valves; - pre-formed shell insulation Flow meter scale l/min Spare flow meters for circulation units 255 and 256 series. 255 Spare flow meter for circulation units 255 series. Flow meter scale l/min F 1 13 F M 5 40 SOLAR pump Flow meter scale l/min broch Circulation unit for solar thermal systems, return connection. Safety relief valve temperature range: C. Safety relief valve setting: 6 bar (for other settings, see 253 series). Flow meter max. temperature: 120 C. 259 broch Welded expansion vessel for solar thermal systems. Diaphragm certified to DIN standard. Compatible with glycol solutions. Diaphragm max. temperature: 100 C. Working temperature range: C. Consisting of: - Grundfos Solar circulation pump - safety relief valve for solar thermal systems 253 series. - 2 fill/drain cocks - instrument holder fitting with pressure gauge - flow rate regulator with flow meter - return temperature gauge - shut-off and check valve - pre-formed shell insulation Precharge Litres Connection (bar) ,5 2,5 2,5 2,5 2,5 Flow meter scale l/min F System filling pump for circulation units 255 and 256 series. 255 broch Expansion vessel connection kit. Consisting of: - stainless steel flexible hose; - automatic shut-off cock; - wall mounting bracket. Shut-off cock max. working temperature: 110 C

5 MECHANICAL FITTINGS WITH O-RING SEAL 2543 Coupling sleeve, mechanical O-Ring seal for solar thermal systems. For annealed copper, hard copper, brass, mild and stainless steel pipes. Max. working pressure: 16 bar. Black nickel plated nut Male elbow fitting, mechanical, O-Ring seal for solar thermal systems. For annealed copper, hard copper, brass, mild and stainless steel pipes. Max. working pressure: 16 bar. Black nickel plated nut M - Ø 15 M - Ø 18 M - Ø Ø 15 Ø 18 Ø Male fitting, mechanical O-Ring seal for solar thermal systems. For annealed copper, hard copper, brass, mild and stainless steel pipes. Max. working pressure: 16 bar. Black nickel plated nut F - Ø 15 F - Ø 18 F - Ø Female elbow fitting, mechanical O-Ring seal for solar thermal systems. For annealed copper, hard copper, brass, mild and stainless steel pipes. Max. working pressure: 16 bar. Black nickel plated nut M - Ø 15 M - Ø 18 M - Ø Elbow coupling sleeve, mechanical O-Ring seal for solar thermal systems. For annealed copper, hard copper, brass, mild and stainless steel pipes. Max. working pressure: 16 bar. Black nickel plated nut Ø 15 Ø 18 Ø 22

6 DIFFERENTIAL REGULATORS AND THERMOSTATS 257 broch Differential temperature regulator for solar thermal systems, with relay output. Complete with box, contact probe and immersion probe with pocket. 257 broch Regulator and thermostat for solar thermal systems, with relay output. Complete with box, one contact probe and two immersion probes with pocket. Box protection class: IP 65 Electric supply: 230 V ±6% - 50 Hz Power consumption: 1,45 VA Contact rating on switch-over: 6 A (230 V) ΔT adjustment range: 2 20 K Hysteresis: 2 K (±1 K) Box protection class: IP 65 Electric supply: 230 V ±6% - 50 Hz Power consumption: 1,45 VA Contact rating on switch-over: 6 A (230 V) ΔT adjustment range (regulator): 2 20 K Adjustable temperature range (thermostat): C Hysteresis: 2 K (±1 K) broch Thermostat for solar thermal systems, with relay output. For thermal integration control and diverter valves. Complete with box, contact probe. 255 regulator and thermostat supporting bracket 257 series, for circulation unit 255 series regulator and thermostat supporting bracket 257 series, for circulation unit 256 series. Box protection class: IP 65 Electric supply: 230 V ±6% - 50 Hz Power consumption: 1,45 VA Contact rating on switch-over: 6 A (230 V) Adjustable temperature range: C Hysteresis: 1 K

7 HEAT METER BALANCING VALVE WITH FLOW METER CONTECA SOLAR broch Direct heat metering with local reading by means of LCD or centralised reading by means of controller code or interface series, for solar thermal systems. Temperature range: C. Compatible with glycol solutions. The CONTECA SOLAR module is supplied complete with: - Pair of temperature probes with immersion pockets. - Y pockets for immersion probes. - Water meter, with pulse output (max. temperature 120 C). - Electronic integrator with LCD. - Electric supply 24 V (ac) 50 Hz - 1 W. - Set for transmission in M Bus mode. Conformity to EN broch Balancing valve with flow meter, for solar thermal systems. Direct reading of flow rate. Brass valve body and flow meter. Chrome plated. Ball valve for flow rate adjustment. Graduated scale flow meter with magnetic movement flow rate indicator. With insulation. Temperature range: C. Compatible with glycol solutions. Patent application N MI2007A Flow rate range (l/min) Connection Meas. type Q nom m 3 /h /2 1 single nozzle single nozzle multi-nozzle 1,5 2,5 3,5

8 COMPONENTS FOR SECONDARY CIRCUIT SOLAR STORAGE Diverter on the secondary circuit Normally closed valve

9 THERMOSTATIC MIXING VALVE 2521 broch Adjustable thermostatic mixing valve for solar thermal systems. dezincification resistant alloy body. Chrome plated. Male union connections. Max. working pressure: 14 bar. Max. inlet temperature: 100 C. TEMPERATURE AND PRESSURE RELIEF VALVE 309 broch Temperature and pressure relief valves, for solar thermal systems, for protecting the hot water storage. Set temperature: 90 C. Heat capacity: Settings: bar. Settings certified to EN 1490: 7-10 bar. 1/2 x Ø 15: 10 kw. x Ø 22: 25 kw Temperature adjustment Kv (m 3 /h) / C C 2,6 2, broch Adjustable thermostatic mixing valve, with check valves, for solar thermal systems. dezincification resistant alloy body. Chrome plated. Male union connections. Max. working pressure: 14 bar. Max. inlet temperature: 100 C /2 M x Ø 15 6 bar 1/2 M x Ø 15 7 bar 1/2 M x Ø bar M x Ø 22 6 bar M x Ø 22 7 bar M x Ø bar MOTORISED BALL DIVERTER VALVE Temperature adjustment Kv (m 3 /h) C 2, broch Thermostatic mixing valve with interchangeable cartridge for solar thermal systems. Male union connections. Max. working pressure: 14 bar. Max. inlet temperature: 110 C broch Motorised three-way ball diverter valve. Δp max: 10 bar. Temperature range: C. Complete with motor with 3-contact control. With auxiliary microswitch. Electric supply: 230 V (ac) or 24 V (ac). Power consumption: 4 VA. Auxiliary microswitch contact rating: 0,8 A (230 V). Ambient temperature range: 0 55 C. Protection class: IP 44 (control stem in vertical position). IP 40 (control stem in horizontal position). Operating time: 40 s (90 rotation). Length of supply cable: 100 cm /2 for 1/2 - Temperature adjustment C C Kv (m 3 /h) 4,0 4, Spare cartridge. For SOLAR thermostatic mixing valve 2523 series /2 1/2 1 1 Voltage (V) Voltage (V) Kv (m 3 /h) 3,9 3,9 3,9 3,9 Kv (m 3 /h) 8,6 9,0 8,6 9,0

10 230 V - 5 VA - IP 65 SOLAR STORAGE-BOILER CONNECTION KIT 264 broch SOLARNOCAL Function A thermostatic anti-scald mixing valve, at the kit inlet, controls the temperature of the water coming from the solar hot water storage. The thermostat, by means of the probe positioned on the hot water flow from the solar hot water storage, controls the diverter valve at the kit outlet. Depending on the temperature setting, the valve diverts the water towards the user circuit or activates the boiler circuit, without thermal integration. Hydraulic diagrams M MIX BOILER D M BOILER D Solar storage-boiler connection kit, without thermal integration. Consisting of: - thermostatic anti-scald mixing valve, adjustable with knob, for solar thermal systems. Complete with strainers and check valves at the inlets. - diverter valve with three-contact actuator. With auxiliary microswitch. - thermostat with probe for solar thermal system, for operating diverter valve. Position indicator LED. - pre-formed shell insulation. Diverter-mixing valve coupling with adjustable position of the inlet and outlet connections. Mixing valve dezincification resistant alloy body. Adjustment temperature range: C. Max. inlet temperature: 100 C. Diverter valve Brass body. Temperature range: C. Actuator Three-contact type. Electric supply: 230 V (ac). Power consumption: 8 VA. Auxiliary microswitch contact rating: 0,8 A. Ambient temperature range: 0 55 C. Protection class: Operating time: 10 s. Length of supply cable: 1 m. Thermostat with probe Electric supply: 230 V (ac). Adjustable temperature range: C. Factory set: 45 C. Box protection class: IP 65. IP 44 (control stem in vertical position), IP 40 (control stem in horizontal position). Patent application N MI2007A SOLAR USER SOLAR USER T SOLAR > 45 C T SOLAR < 45 C Solarnocal kit application 264 series diagram NON- MODULATING BOILER WATER INLET USER

11 230 V - 5 VA - IP 65 SOLAR STORAGE-BOILER CONNECTION KIT 265 broch SOLARINCAL Function The thermostat, by means of the probe positioned on the hot water flow from the solar hot water storage, controls the diverter valve at the kit inlet. Depending on the temperature setting, the valve diverts the water towards the user circuit or the boiler circuit, with thermal integration. A thermostatic anti-scald mixing valve, at the kit outlet, constantly controls the temperature of the water sent to the user. Hydraulic diagrams M BOILER D M BOILER D Solar storage-boiler connection kit, with thermal integration. Consisting of: - thermostatic anti-scald mixing valve, adjustable with knob, for solar thermal systems. Complete with strainers and check valves at the inlets. - diverter valve with three-contact actuator. With auxiliary microswitch. - thermostat with probe for solar thermal system, for operating diverter valve. Position indicator LED. - pre-formed shell insulation. Diverter-mixing valve coupling with adjustable position of the inlet and outlet connections. Mixing valve dezincification resistant alloy body. Adjustment temperature range: C. Max. inlet temperature: 100 C. Diverter valve Brass body. Temperature range: C. Actuator Three-contact type. Electric supply: 230 V (ac). Power consumption: 8 VA. Auxiliary microswitch contact rating: 0,8 A. Ambient temperature range: 0 55 C. Protection class: Operating time: 10 s. Length of supply cable: 1 m. Thermostat with probe Electric supply: 230 V (ac). Adjustable temperature range: C. Factory set: 45 C. Box protection class: IP 65. IP 44 (control stem in vertical position), IP 40 (control stem in horizontal position). MIXED SOLAR MIXED SOLAR Patent application N MI2007A T SOLAR > 45 C T SOLAR < 45 C Solarincal kit application 265 series diagram MODULATING BOILER T MIXED WATER INLET

12 CALEFFI S.P.A. I FONTANETO D AGOGNA (NO) S.R. 229, N.25 TEL R.A. FAX info@caleffi.com Copyright 2008 Caleffi We reserve the right to change our product and their relevent technical data, contained in this publication, at any time and without prior notice