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DeltaSol
Differential temperature controller for solar, heating & air conditioning systems
Manual for the
specialized craftsman
Mounting
Connection
Operation
Troubleshooting
Thank you for buying this RESOL product.
Please read this manual carefully to get the best performance from this unit.
Please keep this manual safe.
A
®
en-US/CA
Manual
www.resol.com
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Summary of Contents for Resol DeltaSol A
- Page 1 Differential temperature controller for solar, heating & air conditioning systems Manual for the specialized craftsman Mounting Connection Operation Troubleshooting en-US/CA Thank you for buying this RESOL product. Manual Please read this manual carefully to get the best performance from this unit. Please keep this manual safe. www.resol.com...
- Page 2 Safety advice Target group Please pay attention to the following safety advice in order to avoid danger and These instructions are exclusively addressed to authorized skilled personnel. damage to people and property. Only qualified electricians are allowed to carry out electrical works. Initial commissioning must be effected by the system installer or qualified personnel Instructions named by the system installer. Attention should be paid to Description of symbols • Valid national and local standards and regulations...
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Page 3: Table Of Contents
Differential temperature controller DeltaSol ® The DeltaSol ® A controller is the simplest solution for all differential controls. It is equipped with an adjustable temperature difference and an antifreeze function which can be activated / deactivated with a jumper. The enclosed silicone sealing cord guarantees a protection against dripping water. Contents overview .................... -
Page 4: Overview
overview Installation • Adjustable temperature difference 2 … 16 K [3.6 … 28.8 °Ra], Mounting hysteresis 1.6 K [2.9 °Ra] WARNING! Electric shock! • Antifreeze function adjustable by jumper Upon opening the housing, live parts are exposed! • Protection against dripping water Î... - Page 5 In order to mount the device to the wall, carry out the following steps: 112mm Jumper antifreeze function Potentiometer Temperature limitation T4A fuse Sensor 1 Power supply Sensor 2 connection Grounding terminal (common terminal block) Relay (load)
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Page 6: Electrical Connection
Electrical connection Connect the temperature sensors (S1 and S2) to the corresponding terminals with either polarity: WARNING! Electric shock! 1 / 2 = Sensor 1 (e. g. collector sensor) Upon opening the housing, live parts are exposed! 3 / 4 = Sensor 2 (e. g. tank sensor) Î... -
Page 7: Switch-On Temperature Difference
Switch-on temperature difference Examples The controller calculates the temperature difference between Standard solar system with 1 tank the temperature sensors S1 and S2. If the difference is larger The controller calculates the temperature difference between collector sensor than or identical to the adjusted nominal value, the relay will S1 and tank sensor S2. -
Page 8: Heating Circuit Return Preheating
Heating circuit return preheating Heat exchange control The controller calculates the temperature difference between collector sensor When the temperature difference between sensor 1 (tank 1) and sensor 2 (tank S1 and tank sensor S2. If the difference is larger than or identical to the adjusted 2) exceeds the adjusted value, the circulating pump will be activated. -
Page 9: Accessories
Check the power supply of the controller. Is it disconnected? Note: The fuse of the controller could be Check the supply line and recon- For answers to frequently asked questions (FAQ) see www.resol.com. blown. The fuse holder (which holds nect it. the spare fuse) becomes accessible when the cover is removed.The fuse... - Page 12 This mounting- and operation manual including all parts is copyrighted. Another some examples. They can only be used at your own risk. No liability is assumed for use outside the copyright requires the approval of RESOL – Elektronische Rege- incorrect, incomplete or false information and / or the resulting damages.
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