Accessories: Solar Thermal Energy

General scheme of solar energy accessories

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)PowerInletsReferenceP.V. P €
28,86 – 15 kW3/4”702PTACS012
4816 – 24 kW3/4”702PTACS020
8425 – 42 kW1”702PTACS035
12043 – 60 kW1”702PTACS050
14461 – 72 kW1”702PTACS060
16873 – 84 kW1”702PTACS070
21685 – 108 kW1”702PTACS090
240109 – 120 kW1 1/4”702PTACS100

Insulations

Insulations up toReferenceP.V. P €
48 m2 collectors702PTAIS020
84 m2 collectors702PTAIS035
144 m2 collectors702PTAIS060
216 m2 collectors702PTAIS090
240 m2 collectors702PTAIS120

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 powerReference
1 – 51 – 6 kW / 25 kW702CT025I05
6 – 157 – 18 kW / 45 kW702CT045I15
16 – 3019 – 36 kW / 85 kW702CT085I30
30 – 3537 – 42 kW / 105 kW702CT105I35

Int. Titanium heat exchangers for saline water pools

Collectors area (m2)Solar installation power / Boiler installation powerReference
1 – 51 – 6 kW / 25 kW702CT025T05
6 – 157 – 18 kW / 45 kW702CT045T15
16 – 3019 – 36 kW / 85 kW702CT085T30
30 – 3537 – 42 kW / 105 kW702CT105T35

Heat transfer kits

Power (kW)DescriptionReference
35Kit without thermal bridge702KIACSM
35Kit without thermal bridge702KIACSMT

PUMPING UNITS

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
DescriptionNet area m2HMAX (m. c. a)PumpInletsReference
Solar station 1W – without controller< 20 m26Wilo Para ST 25/6 iPWM¾ ” M704B12L1V070
Solar station 1W – without controller< 48 m28Wilo Para ST 25/8 iPWM1” M704B38L1V075

ways with controller

  • Circulating pump
  • 1 Flow regulator (2 – 12 l/min || 8 – 38 l/min)
  • Thermometers (impulsion and return)
  • 1 Safety valve (6 bar)
  • 1 Pressure gauge
  • 1 Filling valve and 1 emptying valve
  • 1 Pressure gauge
  • Thermal insulation
  • Controller MTDC
DescriptionNet area m2HMAX (m. c. a)PumpInletsReference
Solar station 2W – with controller MTDC< 20 m26Wilo Para ST 25/6 iPWM¾ ” M704B12L2V170
Solar station 2W – without controller< 48 m28Wilo Para ST 25/8 iPWM1” M704B38L2V075
Solar station 2W – with controller MTDC< 48 m28Wilo Para ST 25/8 iPWM1” M704B38L2V175

2 ways drainback

  • Circulating pump
  • 1 Flow regulator (2 – 12 l/min || 8 – 38 l/min)
  • Thermometers (impulsion and return)
  • 1 Safety valve (6 bar)
  • 1 Non-return valve
  • 1 Filling valve and 1 emptying valve
  • 1 Pressure gauge
  • Thermal insulation
  • Controller MTDC
DescriptionNet area m2HMAX (m. c. a)PumpInletsReference
Solar station 2W – with controller MTDC< 20 m26Wilo Para ST 25/7,5 iPWM1″ M704D12L2V175
Solar station 2W – with controller MTDC< 20 m26Wilo Para ST 15/13 iPWM1” M704D12L2V113

Solar Controllers

STDC-V3

  • 3 Temperature sensor inputs PT1000
  • 1 Relay output 230VAC ( on/off)
  • 1 PWM output (high efficiency pumps speed control)
  • 9 Hydraulic options
DescriptionRef.
Termicol STDC with 2 probes703C1STDC32

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
DescriptionRef.P.V. P €
Termicol MTDC with 3 probes703C1MTDC53

MTDC-V5

  • 3 Temperature sensor inputs PT1000
  • 2 Relay output 230VAC (on/off)
  • 1 PWM output (high efficiency pumps speed control)
  • 25 Hydraulic options
DescriptionRef.
Termicol LTDC with 4 probes703C1LTDC34

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
DescriptionRef.
Termicol XTDC with optional probe703C1XTDC10

Energy meters

FlowDiameterN. of probesReference
0,6 m3/h¾ ”2703COWMZ006
1,5 m3/h¾ ”2703COWMZ015
2,5 m3/h¾ ”2703COWMZ025
3,5 m3/h1”2703COWMZ035
6,0 m3/h1”2703COWMZ060
10,0 m3/h1 ½ ””2703COWMZ100
15,0 m3/h1 ½ ”2703COWMZ150

Electric kits

OutputVoltageDiameterReference
2kWMonofásica 230 V1 ¼ ”711KFK2000M
3kWMonofásica 230 V1 ¼ ”711KFK3000M
4,5kWTrifásica 400 V1 ½ ”711KFK4500T
6kWTrifásica 400 V1 ½ ”711KFK6000T
9kWTrifásica 400 V1 ½ ”711KFK9000T
12kWTrifásica 400 V1 ½ ”711KFK12000T
15kWTrifásica 400 V1 ½ ”711KFK15000MC

Switchboards

DescriptionReference
Termicol 400S y 2 probes (1relay10A,sond.PTC2000)703C7400S02
Contact temperature probe PT1000703SDPT1000C
Temperature probe PT1000703SDPT1000

Flow meters

FlowDiameterMeterReference
1,5 m3/h½ ”With a pulse emitter703COB40015
2,5 m3/h¾ ”703COB40025
3,5 m3/h1”703COB40035
6 m3/h1 ¼ ”703COB40060
10 m3/h1 ½ ”703COB40100
15 m³/h2”703COB40150

Dynamic heat sinks

Models

Heat sinks

Nº CollectorCollectors ModelsDescriptionReference
1 – 4
1 – 5
S26, G26, P26
S21, G21, P21
8 kW705DI008M
5 – 9
6 – 12
S26, G26, P26
S21, G21, P21
18 kW705DI018M
10 – 13
13 – 16
S26, G26, P26
S21, G21, P21
24 kW705DI024M
14 – 21
17 – 26
S26, G26, P26
S21, G21, P21
40 kW705DI040M
22 – 27
27 – 34
S26, G26, P26
S21, G21, P21
52 kW705DI052M
28 – 32
35 – 40
S26, G26, P26
S21, G21, P21
61 kW705DI061M
33 – 40
41 – 50
S26, G26, P26
S21, G21, P21
76 kW705DI076M
41 – 50
51 – 70
S26, G26, P26
S21, G21, P21
106 kW *705DI106T
51 – 80
71 – 100
S26, G26, P26
S21, G21, P21
152 kW *705DI152T
81 – 100
101 – 125
S26, G26, P26
S21, G21, P21
190 kW *705DI190T

*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 CollectorCollectors ModelsDescriptionReference
1S21, S26, G21, G26, P21, P261.250 W705ECT125
2S21, G21, P211.750 W705ECT175
2S26, G26, P262.500 W705ECT250
DescripcióRef.
Connection for Thermosiphon kits (static heat sinks)211BATCAP3

For collector arrays

Nº CollectorCollectors ModelsDescriptionReference
1S21, S26, G21, G26, P21, P261.500 W705ECF015
2S21, G21, P212.500 W705ECF025
2

3

S26, G26, P26
S21, G21, P21
3.500 W705ECF035
3

4

S26, G26, P26
S21, G21, P21
4.500 W705ECF045
4

5

S26, G26, P26
S21, G21, P21
5.500 W705ECF055
5

6

S26, G26, P26
S21, G21, P21
7.000 W705ECF070
6S26, G26, P268.000 W705ECF080
DescriptionRef.
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%.

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 vesselPrimary circuitsACS / DHW / AQS
SolarHeaterIntermediate
Ref.P.V. P €Ref.P.V. P €Ref.P.V. P €Ref.P.V. P €
5 l.706VCR005706VIN005
8 l.706SOL008706VCR008706VIN008706VAC008
12 l.706SOL012706VCR012706VIN012706VAC011
18 l.706SOL018706VCR018706VIN018706VAC018
24 l.706SOL024706VCR024706VIN024706VAC024
35 l.706SOL035706VCR035706VIN035706VAC035
50 l.706SOL050706VCR050706VIN050706VAC050
80 l.706SOL080706VCR080706VAC080
100 l.706SOL0100706VCR100706VIN100706VAC100
140 l.706VCR140706VAC150
200 l.706SOL220706VCR200706VIN200706VAC200
250 l.706VCR250
300 l.706SOL350706VCR300706VIN300706VAC350
400 l.706VCR400
500 l.706SOL500706VCR500706VAC500
600 l.706VCR600
700 l.706SOL700706VAC700
800 l.706VCR800
Connection kit704SETCGB704SETCGB704SETCGB

3 Way valve

For primary circuits

DescriptionReference
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

DescriptionReference
1/2″H kv 0,1-4,47 m3/h DN15708EQES012H
3/4″H kv 0,13-5,9 m3/h DN20703COWMZ015
1″H kv 0,17-8,52 m3/h DN25708EQES100H

Filling and draining systems

Digital equipment

Nº CollectorDescriptionReference
6 – 15120 l.712LLVD0120
16 – 25200 l.712LLVD0200
26 – 35300 l.706VAC300
36 – 50500 l.706VAC500
51 – 1201.000 l.706VAC0900

Electronic equipment

Nº CollectorDescriptionReference
1 – 650 l.712LLVE0050
7 – 15120 l.712LLVE0120
16 – 25200 l.712LLVE0200
26 – 35300 l.712LLVE0300
36 – 50200 l.712LLVE0500
51 – 120200 l.712LLVE1000

Filling systems

EquipmentDescriptionReference
Manual equipment50 l.712LLEM050
120 l.712LLEM120
50 l.712LLE0050
Electronic equipment120 l.712LLE0120
200 l.712LLE0200
300 l.712LLE0300
500 l.712LLE0500
1.000 l.712LLE1000
Digital equipment120 l.712LLD0120
200 l.712LLD0200
300 l.712LLD0300
500 l.712LLD0500
1.000 l.706VAC1000