Accessories: Solar Thermal Energy

General scheme of solar energy accessories

Heat transfer kits

Power (Kw) Description Reference
35 Kit with cover box 702KIACSTIA

Brazed-plate heat exchangers for DHW

Design conditions

Primary circuit liquid temperature = 60ºC
Secondary circuit liquid outlet temperature = 50ºC
Primary circuit working liquid = propylenglicol 30 %
Secondary circuit working liquid = water

Collectors area (m2) Power Inlets Reference P.V. P €
28,8 6 – 15 kW 3/4” 702PTACS012
48 16 – 24 kW 3/4” 702PTACS020
84 25 – 42 kW 1” 702PTACS035
120 43 – 60 kW 1” 702PTACS050
144 61 – 72 kW 1” 702PTACS060
168 73 – 84 kW 1” 702PTACS070
216 85 – 108 kW 1” 702PTACS090
240 109 – 120 kW 1 1/4” 702PTACS100

Insulations

Insulations up to Reference P.V. P €
48 m2 collectors 702PTAIS020
84 m2 collectors 702PTAIS035
144 m2 collectors 702PTAIS060
216 m2 collectors 702PTAIS090
240 m2 collectors 702PTAIS120

Shell-and-tube heat exchangers for swimming pool heating

  • Solar installation power conditions: Input primary circuit T = 50ºC
  • Boiler installation power conditions: Input primary circuit T = 90ºC
  • Maximum flow in tube 15 m3/h

25 kW

45 kW

85 kW

105 kW

Int. Stainless steel heat exchangers for non saline water pools

Collectors area (m2) Solar installation power / Boiler installation power Reference
2- 12 1 – 6 kW / 25 kW 702CT025I05
12 – 35 7 – 18 kW / 45 kW 702CT045I15
35 – 71 19 – 36 kW / 85 kW 702CT085I30
71 – 82 37 – 42 kW / 105 kW 702CT105I35

Int. Titanium heat exchangers for saline water pools

Collectors area (m2) Solar installation power / Boiler installation power Reference
2 – 12 1 – 6 kW / 25 kW 702CT025T05
12 – 35 7 – 18 kW / 45 kW 702CT045T15
35 – 71 19 – 36 kW / 85 kW 702CT085T30
71 – 82 37 – 42 kW / 105 kW 702CT105T35

PUMPING UNITS

1 way without controller

  • Circulating pump
  • 1 Flow regulator (2 – 12 l/min || 8 – 38 l/min)
  • 1 Thermometer (impulsion)
  • 1 Safety valve (6 bar)
  • 1 Pressure gauge
  • 1 Filling valve and 1 emptying valve
  • 1 Pressure gauge
  • Thermal insulation
Description Net area m2 HMAX (m. c. a) Pump Inlets Reference
Pumping unit 1W – without controller < 25 m2 6,8 Wilo ST 25/6 iPWM ¾ ” M 704B12L1V070
Pumping unit 1W – without controller < 50 m2 8,5 Wilo ST 25/8 iPWM 1” M 704B38L1V075

1 way with controller

  • Circulating pump
  • 1 Flow regulator (2 – 12 l/min || 8 – 38 l/min)
  • 1 Thermometer (impulsion)
  • 1 Safety valve (6 bar)
  • 1 Non-return valve
  • 1 Pressure gauge
  • 1 Filling valve and 1 emptying valve
  • 1 Pressure gauge
  • Thermal insulation
  • Controller STDC
Description Net area m2 HMAX (m. c. a) Pump Inlets Reference
Pumping unit 1W – with controller STDC < 25 m2 6,8 Wilo ST 25/6 iPWM ¾ ” M 704B12L1V170
Pumping unit 1W – with controller STDC < 50 m2 8,5 Wilo ST 25/8 iPWM 1” M 704B38L1V175

2 ways with controller

  • Circulating pump
  • 1 Flow regulator (2 – 12 l/min || 8 – 38 l/min)
  • 2 Thermometers (impulsion and return)
  • 1 Safety valve (6 bar)
  • 1 Non-return valve
  • 1 Pressure gauge
  • 1 Filling valve and 1 emptying valve
  • 1 Pressure gauge
  • Thermal insulation
  • Controller MTDC
Description Net area m2 HMAX (m. c. a) Pump Inlets Reference
Solar station 2W – with controller MTDC < 25 m2 6,8 Wilo ST 25/6 iPWM ¾ ” M 704B12L2V170
Solar station 2W – without controller < 50 m2 8,5 Wilo ST 25/8 iPWM 1” M 704B38L2V075
Solar station 2W – with controller MTDC < 50 m2 8,5 Wilo ST 25/8 iPWM 1” M 704B38L2V175

2 ways drainback

  • Circulating pump
  • 1 Flow regulator (2 – 12 l/min || 8 – 38 l/min)
  • 2 Thermometers (impulsion and return)
  • 1 Safety valve (6 bar)
  • Without Non-return value
  • 1 Filling valve and 1 emptying valve
  • Thermal insulation
  • Controller MTDC
Description Net area m2 HMAX (m. c. a) Pump Inlets Reference
Solar station 2W – with controller MTDC < 25 m2 6,8 Wilo ST 25/7,5 iPWM 1″ M 704D12L2V175
Solar station 2W – with controller MTDC < 25 m2 6,8 Wilo Para ST 15/13 iPWM 1” M 704D12L2V113

Dynamic heat sinks

Models

Heat sinks

Nº Collector Collectors Models Description Reference
1 – 4
1 – 5
S26, G26,
S21, G21, P21
8 kW 705DI008M
5 – 9
6 – 12
S26, G26,
S21, G21, P21
18 kW 705DI018M
10 – 13
13 – 16
S26, G26,
S21, G21, P21
24 kW 705DI024M
14 – 21
17 – 26
S26, G26,
S21, G21, P21
40 kW 705DI040M
22 – 27
27 – 34
S26, G26,
S21, G21, P21
52 kW 705DI052M
28 – 32
35 – 40
S26, G26,
S21, G21, P21
61 kW 705DI061M
33 – 40
41 – 50
S26, G26,
S21, G21, P21
76 kW 705DI076M
41 – 50
51 – 70
S26, G26,
S21, G21, P21
106 kW * 705DI106T
51 – 80
71 – 100
S26, G26,
S21, G21, P21
152 kW * 705DI152T
81 – 100
101 – 125
S26, G26,
S21, G21, P21
190 kW * 705DI190T
101 – 125
126 – 160
S26, G26,
S21, G21, P21
243 kW * 705DI243T
126 – 155
161 – 200
S26, G26,
S21, G21, P21
304 kW * 705DI394T

*Heat sinks of 106 kW. 152 kW and 190 kW are triple phase, the rest are single phase

Design conditions

Intake liquid temperature = 90ºC
Intake air temperature = 35ºC
Working liquid propylenglicol 30 %

***Contact technical department for models of a higher power

Static heat sinks

Models

For Thermosiphon kits

Nº Collector Collectors Models Description Reference
2 S21,T20, T25, P21, S26 1.750 W 705ECT175
Descripció Ref.
Connection for Thermosiphon kits (static heat sinks) 211BATCAP3

For collector arrays

Nº Collector Collectors Models Description Reference
2 S21, G21, P21 2.500 W 705ECF025
2

3

S26, G26,
S21, G21, P21
3.500 W 705ECF035
3

4

S26, G26,
S21, G21, P21
4.500 W 705ECF045
4

5

S26, G26,
S21, G21, P21
5.500 W 705ECF055
5

6

S26, G26,
S21, G21, P21
7.000 W 705ECF070
6 S26, G26 8.000 W 705ECF080
8 S26, G26 11.000 W 705ECF110
Description Ref.
Connection for collectors array (statics heat sinks) 211BATCAP2

*Design conditions for heat sinks placed in horizontal position; wind speed 0 m/s ; Δ t =70 ºC; ramp 5%.


* Thermostatic valve included in the heatsink

Circulation Pumps

For primary circuits: Simple Pumps

For primary circuits: Double Pumps

For secondary circuits: Simple Pumps

VALVES

High-flow thermostatic mixing valves

With non-returns

Description Referencia
Thermostatic mixing valve 1 1/4″ 708TMZ114CAR
Thermostatic mixing valve 1 1/2″ 708TMZ112CAR
Thermostatic mixing valve 2″ 708TMZ200CAR

Without non-returns valves

Description Referencia
Thermostatic mixing valve 1 1/4″ 708TMZ114CAR
Thermostatic mixing valve 1 1/2″ 708TMZ112CAR
Thermostatic mixing valve 2″ 708TMZ200CAR

3 Ways motorized valves

For primary circuits

Description Reference
1/2’’ (Tmax 160 ºC) 708ZN3V012H
3/4’’ (Tmax 160 ºC) 708ZN3V034H
1’’ (Tmax 160 ºC) 708ZN3V100H
1 1/4’ (Tmax 150 ºC) 708ZN3V114H
1 1/2’’ (Tmax 150 ºC) 708ZN3V112H
2’’ (Tmax 150 ºC) 708ZN3V200H

Static balance valve

Description Reference
1/2″H kv 0,1-4,47 m3/h DN15 708EQES012H
3/4″H kv 0,13-5,9 m3/h DN20 703COWMZ015
1″H kv 0,17-8,52 m3/h DN25 708EQES100H

Thermostatic mixer valve

According to UNI EN 1111
Temperature range 30-55ºC
Max. operating pressure 10 bar
Max. inlet temperature 100 ºC
Flow at a 3 bar 38 l/min
Minimum flow 10 l /min
Description Reference
Body 1 “ 708TMZ100CT
Body 1″ with non-return fittings 3/4″ 708MZ03CAT

Solar Controllers

  • 2 Temperature sensor inputs PT1000
  • 1 Relay output 230VAC (on/off)
Description Ref.
Termicol 400S with 2 probes (1 relay 10A, sond PTC2000) 703C7400S02

XTDC-V1

  • Temperature sensor inputs PT1000 
  • 1 Relay output 230VAC (on/off)
  • 1 PWM output (high efficiency pumps speed control) 
  • 9 Hydraulic options 
Description Ref.
Termicol STDC with 2 probes 703C1STDC32

XTDC-V1

  • 8 Temperature sensor inputs PT1000
  • 2 Grundfos VFS/RPS sensor input
  • 1 inlet for RC21 environment sensor
  • 2 PWM output (high efficiency pumps speed control)
  • 2 Speed control connections
  • 4 Relay output 230VAC (on/off)
  • Micro SD Memory Card Slot
  • Ethernet connection (model V2)
  • 48 Hydraulic options
Description Ref.
Termicol XTDC with optional probe 703C1XTDC10

LTDC-V3

  • 6 Temperature sensor inputs PT1000
  • 2 VFS/RPS Directsensor inlets for flow measuring
  • 2 Relay output 230VAC (on/off)
  • 2 PWM output (high efficiency pumps speed control)
  • 42 Hydraulic options
Description Ref. P.V. P €
Termicol MTDC with 3 probes 703C1MTDC53

MTDC-V5

  • 4 Temperature sensor inputs PT1000
  • 2 Relay output 230VAC (on/off)
  • 1 PWM output (high efficiency pumps speed control)
  • 25 Hydraulic options
Description Ref.
Termicol LTDC with 4 probes 703C1LTDC34

Filling and draining systems

Digital equipment

Nº Collector Description Reference
6 – 15 120 l. 712LLVD0120
16 – 25 200 l. 712LLVD0200
26 – 35 300 l. 706VAC300
36 – 50 500 l. 706VAC500
51 – 120 1.000 l. 706VAC0900

Electronic equipment

Nº Collector Description Reference
1 – 6 50 l. 712LLVE0050
7 – 15 120 l. 712LLVE0120
16 – 25 200 l. 712LLVE0200
26 – 35 300 l. 712LLVE0300
36 – 50 200 l. 712LLVE0500
51 – 120 200 l. 712LLVE1000

Filling systems

Equipment Description Reference
Manual equipment 50 l. 712LLEM050
120 l. 712LLEM120
50 l. 712LLE0050
Electronic equipment 120 l. 712LLE0120
200 l. 712LLE0200
300 l. 712LLE0300
500 l. 712LLE0500
1.000 l. 712LLE1000
Digital equipment 120 l. 712LLD0120
200 l. 712LLD0200
300 l. 712LLD0300
500 l. 712LLD0500
1.000 l. 712LLD1000

Heat transfer fluid

Concentrated antifreeze “Fluidosol” Reference
2 l. 707CGF0002
10 l. 707CGF0010
25 l. 707CGF0025
210 l. 707CGF0210
1.000 l. 707CGF1000

Expansion systems

Expansion vessel Primary circuits ACS / DHW / AQS
Solar Heater Intermediate
Ref. P.V. P € Ref. P.V. P € Ref. P.V. P € Ref. P.V. P €
5 l. 706VCR005 706VIN005
8 l. 706SOL008 706VCR008 706VIN008 706VAC008
12 l. 706SOL012 706VCR012 706VIN012 706VAC011
18 l. 706SOL018 706VCR018 706VIN018 706VAC018
24 l. 706SOL024 706VCR024 706VIN024 706VAC024
35 l. 706SOL035 706VCR035 706VIN035 706VAC035
50 l. 706SOL050 706VCR050 706VIN050 706VAC050
80 l. 706SOL080 706VCR080 706VAC080
100 l. 706SOL0100 706VCR100 706VIN100 706VAC100
140 l. 706VCR140 706VAC150
200 l. 706SOL220 706VCR200 706VIN200 706VAC200
250 l. 706VCR250
300 l. 706SOL350 706VCR300 706VIN300 706VAC350
400 l. 706VCR400
500 l. 706SOL500 706VCR500 706VAC500
600 l. 706VCR600
700 l. 706SOL700 706VAC700
800 l. 706VCR800
Connection kit 704SETCGB 704SETCGB 704SETCGB

Probes

Description Reference
Contact temperature probe PT1000 703SDPT1000C
Temperature probe PT1000 703SDPT1000

Energy meters

Flow Diameter N. of probes Reference
0,6 m3/h ¾ ” 2 703COWMZ006
1,5 m3/h ¾ ” 2 703COWMZ015
2,5 m3/h ¾ ” 2 703COWMZ025
3,5 m3/h 1” 2 703COWMZ035
6,0 m3/h 1” 2 703COWMZ060
10,0 m3/h 1 ½ ”” 2 703COWMZ100
15,0 m3/h 1 ½ ” 2 703COWMZ150

Electric kits

Output Voltage Diameter Reference
2kW Single-phase 230 V 1 ¼ ” 711KFK2000M
3kW Single-phase 230 V 1 ¼ ” 711KFK3000M
4,5kW Three-phase 400 V 1 ½ ” 711KFK4500T
6kW Three-phase 400 V 1 ½ ” 711KFK6000T
9kW Three-phase 400 V 1 ½ ” 711KFK9000T
12kW Three-phase 400 V 2 ” 711KFK12000T
15kW Three-phase 400 V 2 ” 711KFK15000MC
18kW Three-phase 400 V 2 ” 711KFK18000MC