11 Additional functionality
11.1 Additional functionality
In addition to the standard functionality (heating and hot water production etc), a wide range of extra functionality is available as acces-
sory, or from factory, depending on the heat pump and selected application.
Accessories that interact with the Athena indoor unit is shown in table below.
Explanation:
▪
When "BM" is typed, this means that the functionality is standard and available on the BM card fitted in the heat pump from facto-
ry.
▪
When "EM3:0" is typed, this means that the functionality is available with the expansion module EM3.
▪
Space is available for EM3 in the electrical cabinet.
▪
the function of the I/O is set in the controller in the installation menu when activating functions
▪
Use position numbers in table below and see electrical wiring label in this manual to see available combinations. For EM3, see EM3
manual.
▪
Sensors used are PT1000 type. Mixing valves with 0-10V control and 24V supply.
Functionality
Athena Position numbers
used
Remark
Room sensor, PT1000 type BM 132 Connect to T31 on BM
Room sensor, Modbus type BM 62 Room sensor genesis modbus type, connects to
MBa connection (Modbus Accessory)
BMS (connection to building management
systems)
BM 173 Connect to BMS MBe on BM
Smart Grid / EVU, Smart Grid 2 BM 408, 409 Connect to D21 and D22 on BM
Distribution circuit 1 (extra under shunt
group for heating or cooling*)
BM 107, 108, 109 Possible to use as a second, lower set, heat curve
Dewpoint BM 422 Connect to D23 on BM
Bypass valve BM 312 Connect to Tap water (N, L1, TR9, TR8) on BM
Circulation pump (system) BM 36 Connect to R1 on BM (N/A for Athena Total EQ).
External auxiliary heater + shunt BM 117, 72 (shunt) Connect to R3 + AO25 (shunt)
Secondary circuit pump BM 370 Connect to R4
Buffer tank sensor BM 136 Connect to T34 on BM (N/A for Athena Total EQ).
Pool Requires EM3:0 See EM3 manual
Alarm relay (Sum Alarm output) Requires EM3:0 See EM3 manual
Current limiter Requires EM3:0 See EM3 manual
External alarm Requires EM3:0 See EM3 manual
* Cooling functionality is only for Athena HC models. Athena HC is only available in certain markets.
11.2
How to set up additional accessories, functions etc.
For more detailed information and system solutions see separate instruction or system solution generator on the website.
Note: Functions not activated/enabled from factory must be enabled and activated in the control system before they can be used.
Below is an example how to enable a function. The other different functions are enabled in a similar way.
1. Login: 607080
2. Go to SETTINGS/INSTALLATION and select desired function. Activate by selecting "BM" if function is connected to BM-card, select
EM3:0 if connected to EM3.
Installation Guide
Athena
Thermia AB AWAT01IGCG0102
51
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