05/20 E&OE
Section 7
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Commissioning
No
.
HIU Commissioning Checklist
Comment and confirm checked
Date
1
Record installation date, product code,
serial number and room number
Installation Date:
Installer:
Product Code:
Serial No.:
Room No.:
2
Verify and record primary: flow,
temperature and pressure.
Flow:
Temperature ⁰C:
Pressure (dynamic) Bar:
3
Verify and record if the room
thermostat is voltage free
If the room thermostat is not voltage
free do not turn on power to the HIU
and abort commissioning!
4
Verify and record if the primary side
strainer inside the HIU is clean.
5
Verify and record in
-
coming water
main pressure and flow rate is within
the parameters of the HIU specification
6
Verify and record that any valves in the
Central heating circuit are in the
correct position. These should be as
the installation schematic in the M&E
design
7
Verify and record that all valves from
the Cold water mains supply to the HIU
are in the correct position
8
Verify and record if present, any
manual bypass valve or pipe is CLOSED
or removed and flushing ports sealed.
9
Verify and record if all pipes have
insulation and if the insulation is
according to the requirement of
current building regulations
10
Verify and record if all pipes directly
connected to the HIU are secured and
fastened with adequate pipe clips.
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V3 DIRECT
