EcoSolar Energy Conscious Design Limited
52
•
Guarantees
•
Code of Compliance and
•
Other relevant certificates and information
Structural
Structural has not been dealt with in this document and it has been assumed that the building has
been designed to NZS3604 or equivalent. It is the installer’s responsibility to ensure that the
necessary structural assessments have been made. The installation should be installed in accordance
with The New Zealand Building Code (NZBC) G12 AS2
Basic wiring and programming of the
ESR21 controller
Please refer to the solar controller booklet for specific installation and programming details, however
the following will provide a logical process for programming the controller for a majority of
installations.
•
For hot water cylinders that require a temperature limit to be preset, the 3 sensor controller is
required, the controller needs to be in Program 1, with the maximum temperature cut out to be set at
both sensor 2 and sensor 3.
•
The Sys PF, collector antifreeze function within the Men Menu shall be programmed and
initiated where only water is circulated through the solar collector. Where antifreeze is within an
indirect circuit no electronic frost protection is required. The settings should be programmed as
follows; initiation 4
O
C, released 7
O
C.
•
The heat quantity counter can be set up providing the water volume flow rate is known. This
can be estimated by measuring the pressure across either side of the pump (when the pump is
operating) and calculating the flow rate from the pump curve. If this is required binder tapping
points will be required either side of the pump in straight section of pipework. Alternatively a flow
meter can be temporarily installed to determine the flow rate. Care should be taken that this does not
exert additional frictional losses which would decrease the flow rate from the norm.
Here follows instructions that should be read in conjunction with the instructions supplied with the
controller. The controller must be wired correctly and programmed as follows.
PLEASE NOTE
Ensure that the controller cables do not come into contact with the pipework
between the solar collector and cylinder.
