Installation manual

TECHNICAL INFORMATION SECTION 4
REF CIRCUIT EQUIPMENT VARIATION AVAILABLE SELECTION BASIS
1SOLAR The solar collectors TYPE Glazed Flat Panel Based on required performance of system
Collector and suitable location.
QUANTITY Based on DHW demands, location and Type
of Collector.
2SOLAR A controller to control the solar NONE N/A Only one controller is used throughout the
gain and integrate the ‘top up’ range.
heating.
3SOLAR Solar pumping system NONE N/A Only one pumping station is used throughout
the standard range.
4SOLAR Solar pipe-work TYPE Stainless Steel Depends on ease of installation requirements
Corrugated or and pressure drop. Copper will offer lower pressure
Copper drops for a dimension but is more difficult to install.
SIZE SS-DN20,25,32 Depends on flow rate and pressure drop.
Copper 22 and 28mm
QUANTITY Meters Depends on distance of runs.
Expansion vessels SIZE 50,80 ltr Depends mainly on type and quantity of
collectors and system size.
Filling and flushing device NONE N/A
Air scoop and vent NONE OPTIONAL
5 DHW The DHW storage cylinders TYPE COIL SINGLE PRE-HEAT Based on operation of the system
TWIN-COIL See Operation
VOLUME+ 450,550,700,900 ltrs Total storage volume will depend on
QUANTITY demand and solar collector area and type.
Multiple cylinders can be used to increase
volume and/or for seperate DHW loads.
6 DHW DHW expansion system. SIZE+ N/A Size and quantity combine to produce the
Vessels, expansion relief valve QUANTITY right size expansion system for the secondary
volume. This is mainly determined by DHW
cylinder size/volume.
7 DHW De-stratification/anti- TYPE SINGLE COIL PRE-HEAT Both pumps are identical. The pump for the twin-coil
legionella pumping system OR solution is pre-fitted to the cylinder. The pump for
TWIN-COIL the single coil pre-heat cylinder requires the return
(COMBINED) line fitting to the outlet of the direct-fired water heater.
8 DHW Cold feed equipment SIZE 1", 1
1
/2"Sized for maximum flow rate of DHW
system, this is usually sized to cylinder volume
and/or duty.
9A PRIMARY Primary heating control supply TYPE MAXXflo gas fired Combined top up and primary system
water heater
PRE-HEAT Control Valve Opens control valve to allow primary flow to
To feed top-up top up system
system Enable Output Gives signal output to another control system
Primary Pump Switch pump to divert flow to 'top up' system
Full Boiler System Complete boiler system for primary hot
water supply
Immersion Heater Output to immersion for top up heating
TYPE Control Valve See above
Enable Output
COMBINED Primary Pump
(TWIN-COIL) Full Boiler System
To feed top coil Immersion Heater As back up only with seperate control
9B TOP UP System to heat DHW to final TYPE MAXXflo Combined primary and top up system
temperature
PRE-HEAT Utilising heat supplied by the Second cylinder with coil Used with primary system above
ONLY primary system
Immersion Heater Used with immersion heater above
Instantaneous Plate Heat
Exchanger
NONE
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