Daikin Altherma 3 H HT F Series, Installation Manual

7 Commissioning

Installation manual

26

ETVH/9W(G)

Daikin Altherma 3 H HT F

4P586454-1 – 2019.07

7

Commissioning

NOTICE

General 

commissioning 

checklist.

Next 

to 

the

commissioning  instructions  in  this  chapter,  a  general
commissioning  checklist  is  also  available  on  the  Daikin
Business Portal (authentication required).

The  general  commissioning  checklist  is  complementary  to
the  instructions  in  this  chapter  and  can  be  used  as  a
guideline and reporting template during the commissioning
and hand-over to the user.

NOTICE

ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.

NOTICE

Make sure both air purge valves (one on the magnetic filter
and one on the backup heater) are open.

All  automatic  air  purge  valves  must  remain  open  after
commissioning.

INFORMATION

The  software  is  equipped  with  an  "installer-on-site"  mode
([9.G]: 

Disable  protections

),  that  disables  automatic

operation  by  the  unit.  At  first  installation,  setting 

Disable

protections

  is  by  default  set  to 

Yes

,  meaning  automatic

operation  is  disabled.  All  protective  functions  are  then
disabled. To enable automatic operation and the protective
functions, set 

Disable protections

 to 

No

.

12 hours after the first power-on, the unit will automatically
set 

Disable protections

 to 

No

, ending "installer-on-site"

mode  and  enabling  the  protective  functions.  If  –  after  first
installation  –  the  installer  returns  to  the  site,  the  installer
has to set manually 

Disable protections

 to 

Yes

.

7.1

Checklist before commissioning

After  the  installation  of  the  unit,  first  check  the  items  listed  below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.

You  read  the  complete  installation  instructions,  as
described in the 

installer reference guide

.

The 

indoor unit

 is properly mounted.

The 

outdoor unit

 is properly mounted.

The following 

field wiring

 has been carried out according

to this document and the applicable legislation:

▪ Between the local supply panel and the outdoor unit

▪ Between indoor unit and outdoor unit

▪ Between the local supply panel and the indoor unit

▪ Between the indoor unit and the valves (if applicable)

▪ Between  the  indoor  unit  and  the  room  thermostat  (if

applicable)

The  system  is  properly 

earthed

  and  the  earth  terminals

are tightened.

The 

fuses

  or  locally  installed  protection  devices  are

installed according to this document, and have NOT been
bypassed.

The 

power  supply  voltage

  matches  the  voltage  on  the

identification label of the unit.

There  are  NO 

loose  connections

  or  damaged  electrical

components in the switch box.

There  are  NO 

damaged  components

  or 

squeezed

pipes

 on the inside of the indoor and outdoor units.

Backup  heater  circuit  breaker

  F1B  (field  supply)  is

turned ON.

The  correct  pipe  size  is  installed  and  the 

pipes

  are

properly insulated.

There is NO 

water leak

 inside the indoor unit.

The 

shut-off valves

 are properly installed and fully open.

The 

automatic air purge

 valves are open.

The 

pressure relief valve

 purges water when opened.

The 

domestic hot water tank

 is filled completely.

7.2

Checklist during commissioning

The 

minimum  flow  rate

  during  backup  heater/defrost

operation  is  guaranteed  in  all  conditions.  See  "To  check
the  water  volume  and  flow  rate"  in 

"4.1  Preparing  water

piping" 

[

4

 7].

To perform an 

air purge

.

To perform a 

test run

.

To perform an 

actuator test run

.

Underfloor screed dryout function

The  underfloor  screed  dryout  function  is  started  (if
necessary).

7.2.1

To check the minimum flow rate

1

Check with the hydraulic configuration which space
heating loops can be closed by mechanical,
electronic, or other valves.

—

2

Close all space heating loops that can be closed
(see previous step).

—

3

Start the pump test run (see 

"7.2.4 To perform an

actuator test run" 

[

4

 27]).

—

4

Read out the flow rate

(a)

 and modify the bypass valve

setting to reach the minimum required flow rate + 2 l/
min.

—

(a)

During pump test run, the unit can operate below the
minimum required flow rate.

Minimum required flow rate

25 l/min

7.2.2

To perform an air purge

Conditions: 

Make  sure  all  operation  is  disabled.  Go  to  [C]:

Operation

  and  turn  off 

Room

, 

Space  heating/cooling

  and 

Tank

operation.