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Summary of Contents for Sunamp Thermino 20
- Page 1 Keep these instructions in a safe place for future reference. ® Thermino Heat Battery Installation and User Manual (US/CA)
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Page 2: Safety Notice
ONLY competent persons who are suitably qualified to carry out plumbing and electrical work may undertake installations, repairs or relocations. Product training on the full range of Thermino Heat Batteries is available through Sunamp Ltd or authorised training partners and is recommended. -
Page 3: Table Of Contents
Canadian markets. Competent persons are those suitably qualified to carry out plumbing and electrical work. Product training on the full range of Thermino ® Heat Batteries by Sunamp Projects Inc or an authorised training partner is available. Contents Safety Notice ......................2 Document Purpose .................... - Page 4 Water Supply Requirements ..............23 4.2.1 General ..................... 23 4.2.2 Hard Water and Limescale ............... 25 Location and Space Requirements ............25 Hydronic Requirements ................26 Temperature and Insulation Requirements ..........27 Commissioning ....................28 Process ...................... 28 Operation ....................... 29 Troubleshooting ..................
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Page 5: Safety Instructions
1. Safety Instructions You MUST read the whole manual before installing the product. Sunamp Projects Inc. is not responsible for the failure of components not specified in this manual and/or supplied by other manufacturers. Intended Use ® The intended use of the Thermino range of products is for the provision of hot water for domestic purposes using external charging of the Heat Battery. -
Page 6: Electrical Safety
ONLY competent persons who are suitably qualified to carry out plumbing and electrical work may undertake installations, repairs or relocations. Product training on the full range of Thermino Heat Batteries is available through Sunamp Projects Inc. or authorised training partners and is recommended. -
Page 7: Compliance With Local Codes And Regulations
Obligations from local codes always override manufacturer documentation where there is a conflict. Post-Installation Safety • All goods are sold subject to Sunamp Projects Inc.’s Conditions of Sale, as listed on the company website. • As Sunamp continuously improves products, they may be modified without notice. -
Page 8: Repair And Relocation
Repair and Relocation • DO NOT attempt to carry out repairs or maintenance before the system components – including the Thermino - have cooled down to ambient room temperature. To speed up the process, isolate the external heat source and open hot water taps in the dwelling to draw off hot water and cool the system down. -
Page 9: Heat Battery Overview
Heat Battery technology – developed, designed and manufactured in the UK. Sunamp has a wide portfolio of Heat Batteries for different applications. Please visit our website (www.sunamp.com) or look at our catalogue for more information about our portfolio for: •... -
Page 10: Product Overview & General Construction
The construction of the Heat Battery is shown in Figure. 1 & Figure 2. The thermal Energy is stored by changing the state of Sunamp’s Plentigrade® Phase Change Material (PCM) from solid to liquid via a flowing working fluid through the primary circuit of the integrated heat exchanger. - Page 11 Figure. 1: Heat Battery External Item Description Heat Battery – Outer Case Main body Heat Battery – Lid Product Data badge / Serial number Product Branding Tube Entries via Rubber Grommets (3 sides) Cable Entries / Blanks (3 sides) Table 1: Reference Figure 1 Heat Battery External...
- Page 12 Figure 2: Internal interfaces, lid removed (left), Top insulation removed (right) Item Description 3 layers of flexible Insulation, 2 layers to be fit around pipe exits. Port identification labels – A B C D. Cable Strain Relief– Interchangeable position with item 4 Blanking Bush –...
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Page 13: Hydronic Circuits & Connections
Hydronic Circuits & Connections The Thermino range of batteries has two independent hydronic circuits: The Primary Circuit for charging the Heat Battery via an external heat source. Ports are labelled B and C. The Secondary Circuit for discharging the Heat Battery for Potable Hot water production. -
Page 14: Pressure (Head) Loss Characteristics
Primary and Secondary circuit pressure loss (head) values can be read in Figure 4 below respectively. 22.5 20.0 17.5 15.0 12.5 10.0 Flow Rate (Gal./min) Thermino 20 - Secondary Circuit Thermino 20 - Primary Circuit Thermino 40 Thermino 60 Thermino 80 Figure 4: Pressure Loss Characteristics... -
Page 15: Technical Specification, Dimensions & Weight
Battery are filled with water. The Net Weight refers to an empty Heat Battery (i.e., no water in the tubes). Thermino Gross Weight Net Weight Model (kg) (lb.) (kg) (lb.) Thermino 20 Thermino 40 Thermino 60 Thermino 80 Table 4: Model Weights... -
Page 16: Nominal Product Dimensions
2.5.2 Nominal Product Dimensions The following Figure 5 and Table 5 show the product dimensions. The product footprint and port positions are common across the range. The products only differ in overall height. Figure 5: Nominal Product Dimensions Thermino Model Length 22 5/8 Width... - Page 17 Specification Heat Battery Model (Thermino): 20 (70) 40 (150) 60 (210) 80 (300) Primary circuit Port B-C 0.29 (1.3) 0.81 (3.7) 1.17 (5.3) 1.41 (6.4) Water Content [Gal (L)] Secondary circuit Port A-D 0.51 (2.3) 0.81 (3.7) 1.17 (5.3) 1.41 (6.4) Total 0.80 (3.6)) 1.62 (7.4)
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Page 18: Temperature Sensors & Control
3. Temperature Sensors & Control 3.1 Temperature Sensors The Thermino range of Heat Batteries is supplied with a factory-fitted sensor cable comprising of three integrated temperature sensors, (S1, S2 & S3). The sensors measure the internal temperature of the PCM in the centre of the Heat Battery at three heights. - Page 19 Temperature CH - in - MAX CH - IN DCH - OUT CH - IN CH - IN - MIN Charging PCM - PT Discharging DCH - OUT Circuit Circuit DCH - IN - MAX DCH - IN DCH - IN - MIN CH - OUT DCH - IN Figure 7: Heat Battery Control logic and hydronic setup...
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Page 20: Installation
4. Installation Always read the safety instructions in Section 1 of this manual before installing the product. 4.1 Installation Process 4.1.1 Preparation: • Assess the location of installation, considering spatial requirements, clearances, cable and hydronic tube runs. See Figure 3 & Figure 10. •... -
Page 21: Temperature Sensor Control Connections
• Check the tube ends are free from damage and clean, wiping away any swarf to avoid damaging the elbows and O-ring on tube insertion. • Tube end must also be free from stickers, tape and adhesive residues. • Mark the elbow socket depth (1 1/16in / 27mm) on the tube with a marker. •... - Page 22 • Replace the newly cut 1 1/4in (32mm) thick insulation layer nesting the insulation around the tube work and cables. Make sure the temperature cable sits above this layer. • Replace the top 3/8in (10mm) layer of insulation. • Replace the lid, align the rear pins with the slots in the rear of the unit, slide back, and fit the 2 x M5 button head cap screws using a 3mm hex head.
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Page 23: Water Supply Requirements
Item Description Cable entry strain relief gland Cable entry blanking bush Tube entry grommet Table 8: Reference Figure 9: Cable and Pipe / Tube interfaces 4.2 Water Supply Requirements Important: All components fitted in the water system should comply with local codes. - Page 24 • Local code-compliant hot water tempering valves should be fitted at the outlet from the Heat Battery. The tempering valve should be set to deliver hot water between 113°F and 131°F (45°C and 55°C).
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Page 25: Hard Water And Limescale
• Water temperatures over 125°F / 50°C can cause severe burns instantly or death from scalds. The outlet temperature must be set accordingly as per this manual. 4.2.2 Hard Water and Limescale Where mains water hardness can exceed 150 ppm Total Hardness, you must install a scale-reducing device in the cold-water supply to the Heat Batteries. -
Page 26: Hydronic Requirements
If no access is required (side dependent) Table 9: Reference Figure 10: Minimum Installation clearances 4.4 Hydronic Requirements Sunamp Ltd Heat Batteries are NOT suitable for tank-fed hot water systems. • All connection tube work inside the Heat Battery casing must be copper tube. -
Page 27: Temperature And Insulation Requirements
• Plastic tube work must ONLY be used outside the Heat Battery and no plastic tube connections must be made to the Heat Battery inlet or outlet ports/elbows. • Sizing of the tube work must consider mains water supply pressure, the design flow rates, the size of the Heat Battery and pressure loss. -
Page 28: Commissioning
5. Commissioning Before commissioning the product, first ensure that you have properly reviewed the previous sections, particularly regarding Heat Battery specifications as well as location, electrical supply and water supply requirements. The Heat Battery and its associated pipework MUST be filled and fully vented along with the heat source and system. -
Page 29: Operation
6. Operation Always read the safety instructions in Section 1 of the manual before operating the Thermino Heat Batteries. There are no operating instructions for this product, as it forms a passive component within the system. See Section 3 for Control logic. 6.1 Troubleshooting Warning: This product does not contain any user-serviceable or user-settable components. - Page 30 Fault Possible Cause(s) Possible Solution Reinstate the energy cut-off device once the external heat source is within normal working parameters. TMV setting too low Increase the TMV setting to match a temperature output between 113°F and 131°F (45°C and 55°C) or as per local codes.
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Page 31: Maintenance
Should the product exterior become dirty, it can be wiped down with a damp cloth and a mild detergent after having been isolated from the electricity supply. Let the product dry before reconnecting. 7.3 Warranty Information regarding product warranty can be found on the Sunamp website: www.sunamp.com/warranty. -
Page 32: Recycling And Disposal
8. Recycling and Disposal ® Sunamp recommends that Thermino products are being recycled. The PCM material is non- toxic and non-flammable and can be disposed of in line with local codes.
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