Commissioning Record - Baxi MULTIFIT Evacuated Tube Collector Kit Instructions

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
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
Solar primary flow when cold
Isolating/non-return valves (flow and return) in
operating position
Solar Collector
Collectors visually inspected for defects
Collectors 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
42 © Baxi Heating UK Ltd 2011
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15.0
BPEC No.:
Serial Nos. Cylinder
Collector _________________ Pump Station ______________
Solar differential temperature controller - operational parameters
If any factory values are changed please enter the new values in the
table below.
Adjustable in menu
"Programming"
Storage tank1:
Maximum storage temperature
Storage tank1:
switch-on difference (dTon)
bar
Storage tank1:
switch-off difference (dToff)
Storage tank2:
Maximum storage temperature
Storage tank2:
switch-on difference (dTon)
Storage tank2:
switch-off difference (dToff)
Minimum pump power on
rotational speed regulation
Switch-on temperature of
thermostat function
Hysteresis of thermostat function
2nd temperature differential
controller maximum temperature Tmax
bar
2nd temperature differential controller
hysteresis dTmax
l/min
Adjustable in menu
"Basic adjustments"
Switching on or off the function
collector protection
Temperature at which the collector
protection function is active
Switching on or off the function
recooling (only when the collector
protection is on)
Temperature to which the storage
tank is recooled when collector
protection function is on
Function for time-controlled
circulation in operation with
tube collectors
Switching on or off the function
energy productivity measurement
Choice of glycol types used
Mixture ratio of coolants
Litres per impulse of the flowmeter
Switching on or off the function
antifreezing
Temperature at which the antifreezing
is active
Alternative choice of the cooling,
thermostat function or the 2nd
temperature differential controller
System type
Time control in secs
Storage priority
* Baxi recommends these settings are left at the default value.

Commissioning record

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Typical
adjustment adjustment
65°C
7 K
3 K
90°C
7 K
3 K
100%
40°C
10 K
65°C
7 K
Typical
adjustment adjustment
0 = off
120°C
0 = off
40°C
0 = off
0 = off
0 = Anro
50%
1.0 L/I
0 = off
-1°C
0 = none
type 0
240
1
Current
*
*
Current
*
*
*
*