Baxi Potterton Solar User Manual

Page 21

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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.

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