Daikin ALTHERMA User Manual

4 Operation
User reference guide
6
EHVH04~16SU18+26CB6W
Daikin Altherma – Low temperature split
4P449981-1 – 2016.06
If you turn ON… Then…
Room temperature control Main (+ additional) leaving water
temperature control is
automatically turned ON.
Main (+ additional) leaving water
temperature control
Room temperature control is
NOT automatically turned ON.
If you turn OFF… Then…
Room temperature control Main (+ additional) leaving water
temperature control is NOT
automatically turned OFF.
Main (+ additional) leaving water
temperature control
Room temperature control is
automatically turned OFF.
To check if a control is turned ON or OFF
1 Go to the home page of the control. Example: Room
temperature home page (Room).
2 Check if the LED is ON or OFF. Note: If the control is turned
OFF, OFF is also displayed on the screen.
To turn ON or OFF the room temperature control
1 Go to the room temperature home page (Room).
2 Press .
To turn ON or OFF the leaving water temperature (main +
additional) control
1 Go to one of the following the home pages:
▪ Main leaving water temperature home page (LWT main)
▪ Additional leaving water temperature home page (LWT add)
2 Press .
To turn ON or OFF the domestic hot water control
1 Go to the DHWtank temperature home page (Tank).
2 Press .
4.4 Space heating control
4.4.1 About space heating control
Controlling space heating typically consists of the following stages:
1 Setting the space operation mode
2 Controlling the temperature
Depending on the system layout and installer configuration, you use
a different temperature control:
▪ Room thermostat control (linked or NOT linked to leaving water
temperature)
▪ Leaving water temperature control
▪ External room thermostat control
4.4.2 Setting the space operation mode
About space operation modes
The heat pump is a heating only model. The system can heat up a
space, but NOT cool down a space.
4.4.3 Determining which temperature control
you are using
To determine which temperature control you are
using (method1)
Check the installer settings table filled in by the installer.
To determine which temperature control you are
using (method2)
If you have 2user interfaces, perform the following procedure on the
user interface at the indoor unit.
Prerequisite: You switched the permission level to Advanced end
user.
1 Press multiple times to switch between home pages, and
check if the additional leaving water temperature home page
(LWT add) is available:
If … Then you have…
Available A main zone and an additional
zone
NOT available Only a main zone
Typical additional leaving water temperature home page:
User profile = Basic User profile = Detailed
15:20
45°C
Desired temperature
LWT add
Mon
15:20
45°C
17:30
Mon
Mon
LWT add
Desired temperature
2 Check the following:
If… Then the temperature control is…
Main zone Additional zone
(if any)
Room temperature is
listed under:
[6.1]: > Information
> Sensor information
Room thermostat
control.
Go to next step to
check if leaving
water setpoint and
room temperature
setpoint are
linked.
External room
thermostat control.
Thermostat main A is
listed under:
[6.5]: > Information
> Actuators
External room thermostat control.
Else Leaving water temperature control.
3 Only for room thermostat control: Go to the main leaving water
temperature home page (LWT main) and check the following:
Is displayed
next to the
setpoint?
Then leaving water setpoint and room
temperature setpoint are…
Yes NOT linked.
You can set the leaving water setpoint on
the home page.
No Linked by their preset values. You can set
the preset values in the menu structure.
4.4.4 Room thermostat control - About room
thermostat control
Room thermostat control means that you control the following:
▪ Room temperature of the main zone
▪ Leaving water temperature of the main zone
Room temperature of the main zone
To control the room temperature of the main zone, you can do the
following:

Daikin ALTHERMA Specifications

General

Type	Air-to-Water Heat Pump
Energy Efficiency	A+++ (Heating)
Coefficient of Performance (COP)	5.0
Refrigerant	R-32
Operating Temperature Range (Cooling)	10°C
Sound Power Level	65 dB(A)
Heating Capacity	4 kW to 16 kW (depending on model)