Potterton Solar - Solar Thermal Domestic Hot Water System
21
Commissioning record
The following chart should be completed during Commissioning of the system.
Installer:
_______________________________
Contact details:
_______________________________
Original installation date:
_______________________________
General Commissioning
All pipework correctly installed, identified and
❑
earth bonded
Solar primary system filled with heat transfer
❑
fluid supplied
System pressure test carried out
❑
Solar expansion vessel charge pressure checked
❑
and set
bar
Air vented from system
❑
Exposed pipework insulated using high-temp and
❑
weather resistant insulation
Panel fixing bracket positions weatherproofed
❑
where necessary
Panel fixings checked and secure
❑
Hydraulic Station
System pressure when cold
bar
Solar primary flow when cold
l/min
Isolating/non-return valves (flow and return) in
❑
operating position
Solar Collector Panels
Panels visually inspected for defects
❑
Collector temperature sensor correctly installed
❑
and secured
Pipe entry points to building weatherproof
❑
Solar Differential Temperature Controller
Record all operational parameters set
❑
(see separate table)
Pump operation tested in automatic and manual
❑
modes
All cables correctly installed and secured
❑
Suitably fused isolating device installed
❑
Solar Cylinder
Cylinder installed and commissioned in
❑
accordance with cylinder installation instructions
Adjustable in menu
Typical
Current
"Programming"
adjustment adjustment
Storage tank1:
65°C
Maximum storage temperature
Storage tank1:
7 K
switch-on difference (dTon)
Storage tank1:
3 K
switch-off difference (dToff)
Storage tank2:
90°C
Maximum storage temperature
Storage tank2:
7 K
switch-on difference (dTon)
Storage tank2:
3 K
switch-off difference (dToff)
Minimum pump power on
100%
rotational speed regulation
Switch-on temperature of
40°C
thermostat function
Hysteresis of thermostat function
10 K
2nd temperature differential
65°C
controller maximum temperature Tmax
2nd temperature differential controller
7 K
hysteresis dTmax
Adjustable in menu
Typical
Current
"Basic adjustments"
adjustment adjustment
Switching on or off the function
0 = off
collector protection
Temperature at which the collector
120°C
protection function is active
Switching on or off the function
0 = off
recooling (only when the collector
protection is on)
Temperature to which the storage
40°C
tank is recooled when collector
protection function is on
Function for time-controlled
0 = off
circulation in operation with
tube collectors
Switching on or off the function
0 = off
energy productivity measurement
Choice of glycol types used
0 = Anro
Mixture ratio of coolants
50%
Litres per impulse of the flowmeter
1.0 L/I
Switching on or off the function
0 = off
antifreezing
Temperature at which the antifreezing
-1°C
is active
Alternative choice of the cooling,
0 = none
thermostat function or the 2nd
temperature differential controller
System type
type 0
Time control in secs
240
Storage priority
1
Solar differential temperature controller - operational parameters
If any factory values are changed please enter the new values in the
table below.