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Conection of a Additional Down Stream Buffer Pump
When a additional water pump is connect down stream of the buffer this can be controlled by the heat pump
via the terminal PCB connection Plug 48.
This must be done by via a relay and by a localised power supply. The board output is only rated at 1amp.
Please find the details below:
In order for the Above to work Parameters: 51 48, 42 20 must be set further details can be found below.
•
We recommend all comunication cables are screened and power cables are kept
separate.
•
All supplies must go through local isolation switches.
•
All senors used must be Grant Genuine Accessories.
•
The immersion heater must be set higher than the heat pump we recommend 60-65
degrees
•
The Booster Timer must be set to Maintain 60-65degrees for 1-2hr once a week,
Beaware of scalding, we recommend this is performed outside of normal bathing
times.
•
All details should be confirmed via the Grant manuals
•
All electrical works should be completed by a competent electrian.
W:
www.seconrenewables.com
heater
Cooling
T: 0191 516 6554
Additional water pump
E:
info@seconrenewables.com
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