INVENTOR ATM04S Product guide

AIR CONDITIONING SYSTEMS
• ENGINEERING DATABOOK
ENGLISH
AIR TO WATER HEAT PUMPS - MONOBLOCK
MODELS:
ATM(H)04S(3)
ATM(H)06S(3)
ATM(H)08S(3)
ATM(H)10S(3)
ATM(H)12S(3) / T(9)
ATM(H)14S(3) / T(9)
ATM(H)16S(3) / T(9)

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Matrix Mono
Inventor Matrix Mono Engineering Data Book
Matrix Mono
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CONTENTS
Part 1 General Informaon............................................................................3
Part 2 Engineering Data ............................................................................... 17
Part 3 Installaon and Field Sengs.......................................................... 61

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Matrix Mono
Matrix Mono
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CONTENTS
Part 1 General Informaon............................................................................3
Part 2 Engineering Data ............................................................................... 17
Part 3 Installaon and Field Sengs.......................................................... 61
Matrix Mono
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Part 1 - General Informaon
Part 1
General Informaon
1 Matrix Mono System ................................................................................. 4
2 Unit Capacies ........................................................................................... 6
3 Nomenclature ............................................................................................ 6
4 System Design and Unit Selecon .............................................................. 7
5 Typical Applicaons ................................................................................... 9

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Matrix Mono
Inventor Matrix Mono Engineering Data Book
Matrix Mono
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1Matrix Mono System
1.1 System Schemac
Figure 1-1.1: System schemac
Matrix is an integrated air to water heat pump system which is one-stop soluon for space heang, space cooling and
domesc hot water, The outdoor heat pump system extracts heat from the outdoor air and transfers this heat through
refrigerant piping to the plate heat exchanger in the hydronic system. The heated water in the hydronic system circulates
to low temperature heat emiers (floor heang loops or low temperature radiators) to provide space heang, and to the
domesc hot water tank to provide domesc hot water. The 4-way valve in the outdoor unit can reverse the refrigerant
cycle so that the hydronic system can provide chilled water for cooling using fan coil units.
The heang capacity of heat pumps decreases with ambient temperature dropping. Matrix Mono can be equipped
with a backup electric heater to provide addional heang capacity for use during extremely cold weather when the heat
pump capacity is insufficient. The backup electric heater also serves as a backup in case of heat pump malfuncon and for
an-freeze protecon of the outside water piping in winter.

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Matrix Mono
Matrix Mono
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1 Matrix Mono System
1.1 System Schemac
Figure1-1.1: System schemac
Matrix is an integrated air to water heat pump system which is one-stop soluon for space heang, space cooling and
domesc hot water, The outdoor heat pump system extracts heat from the outdoor air and transfers this heat through
refrigerant piping to the plate heat exchanger in the hydronic system. The heated water in the hydronic system circulates
to low temperature heat emiers (floor heang loops or low temperature radiators) to provide space heang, and to the
domesc hot water tank to provide domesc hot water. The 4-way valve in the outdoor unit can reverse the refrigerant
cycle so that the hydronic system can provide chilled water for cooling using fan coil units.
The heang capacity of heat pumps decreases with ambient temperature dropping. Matrix Mono can be equipped
with a backup electric heater to provide addional heang capacity for use during extremely cold weather when the heat
pump capacity is insufficient. The backup electric heater also serves as a backup in case of heat pump malfuncon and for
an-freeze protecon of the outside water piping in winter.
Matrix Mono
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Part 1 - General Informaon
1.2 System Configuraons
Matrix Mono can be configured to run with the electric heater either enabled or disabled and can also be used in
conjuncon with an auxiliary heat source such as a boiler.
The chosen configuraon affects the size of heat pump that is required. Three typical configuraons are described below.
Refer to Figure 1-1.2.
Configuraon 1: Heat pump only
§The heat pump covers the required capacity and no extra heang capacity is necessary.
§Requires selecon of larger capacity heat pump and implies higher inial investment.
§Ideal for new construcon in projects where energy efficiency is paramount.
Configuraon 2: Heat pump and backup electric heater
§Heat pump covers the required capacity unl the ambient temperature drops below the point at which the heat
pump is able to provide sufficient capacity. When the ambient temperature is below this equilibrium point (as shown
in Figure 1-1.2), the backup electric heater supplies the required addional heang capacity.
§Best balance between inial investment and running costs, results in lowest lifecycle cost.
§Ideal for new construcon.
Configuraon 3: Heat pump with auxiliary heat source
§Heat pump covers the required capacity unl the ambient temperature drops below the point at which the heat
pump is able to provide sufficient capacity. When the ambient temperature is below this equilibrium point (as shown
in Figure 1-1.2), depending on the system sengs, either the auxiliary heat source supplies the required addional
heang capacity or the heat pump does not run and the auxiliary heat source covers the required capacity.
§Enables selecon of lower capacity heat pump.
§Ideal for refurbishments and upgrades.
Figure 1-1.2: System configuraons

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Matrix Mono
Inventor Matrix Mono Engineering Data Book
Matrix Mono
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2Unit Capacies
Table 1-2.1: Matrix Mono unit capacity range and unit appearances
Capacity 4kW 6kW 8kW 10kW 12kW 14kW 16kW
Model1ATM(H)04S(3) ATM(H)06S(3) ATM(H)08S(3) ATM(H)10S(3)
ATM(H)12S(3)/T(9) ATM(H)14S(3)/T(9) ATM(H)16S(3)/T(9)
Appearance
Notes:
1. The presence or omissionof the leers S or T in the model names indicates the unit’s power supply:
T: 3-phase, 380-415V, 50Hz; S: 1-phase, 220-240V, 50Hz.
3Nomenclature
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AT M H S 33
3kW Electric Heater (choices: empty, 3, 9)
S=Single phase
T=Triple phase
8kW (choices: 04,06,08,10,12,14,16,)
With Electric Heater pre-installed
(choices: H or nothing)
M: Monoblock Type (S: Split-Type)
Heat pump

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Matrix Mono
Matrix Mono
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2 Unit Capacies
Table1-2.1: Matrix Mono unit capacity rangeand unit appearances
Capacity 4kW 6kW 8kW 10kW 12kW 14kW 16kW
Model1ATM(H)04S(3) ATM(H)06S(3) ATM(H)08S(3) ATM(H)10S(3)
ATM(H)12S(3)/T(9) ATM(H)14S(3)/T(9) ATM(H)16S(3)/T(9)
Appearance
Notes:
1. The presence or omissionof the leers S or T in the model names indicates the unit’s power supply:
T: 3-phase, 380-415V, 50Hz; S: 1-phase, 220-240V, 50Hz.
3 Nomenclature
08
AT M H S 33
3kW Electric Heater (choices: empty, 3, 9)
S=Single phase
T=Triple phase
8kW (choices: 04,06,08,10,12,14,16,)
With Electric Heater pre-installed
(choices: H or nothing)
M: Monoblock Type (S: Split-Type)
Heat pump
Matrix Mono
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Part 1 - General Informaon
4System Design and Unit Selecon
4.1 Selecon Procedure
Step 1: Total heat load calculaon
Calculate condioned surface area
Select the heat emiers (type, quantity, water temperature and heat load)
Step 2: System configuraon
Decide whether to include AHS and set AHS’s switching temperature
Decide whether backup electric heater is enabled or disabled
Step 3: Selecon of outdoor units
Determine required total heat load on outdoor units
Set capacity safety factor
Select power supply
Provisionally select Matrix Mono unit capacity based on nominal
capacity
Correct capacity of the outdoor units for the following items:
Outdoor air temperature / Outdoor humidity / Water outlet temperature1/
Altude / An-freeze fluid
Is corrected Matrix Mono unit capacity ≥Required total heat load on
outdoor units2
Yes No
Matrix Mono system
selecon is complete
Select a larger model or enable
backup electric heater operaon
Notes:
1. If the required water temperatures of the heat emiers are not all the same, the Matrix Mono’s outlet water temperature seng should be set at the
highest of the heat emier required water temperatures. If the water outlet design temperature falls between two temperatures listed in the outdoor
unit's capacity table, calculate the corrected capacity by interpolaon.
2. If the outdoor unit selecon is to be based on total heating load and total cooling load, select Mono units which sasfy not only the total heating load
requirements but also the total cooling load requirements.

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Matrix Mono
Inventor Matrix Mono Engineering Data Book
Matrix Mono
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4.2 Matrix Leaving Water Temperature (LWT) Selecon
The recommended design LTW ranges for different types of heat emier are:
§For floor heang: 30 to 35⁰C
§For fan coil units: 30 to 45⁰C
§For low temperature radiators: 40 to 50⁰C
4.3 Opmizing System Design
To get the most comfort with the lowest energy consumpon with Matrix , it is important to take account of the
following consideraons:
§Choose heat emiers that allow the heat pump system to operate at as low a hot water temperature as possible
whilst sll providing sufficient heang.
§Make sure the correct weather dependency curve is selected to match the installaon environment (building
structure, climate) as well as ender user’s demands.
§Connecng room thermostats (field supplied) to the hydronic system helps prevent excessive space heang by
stopping the outdoor unit and circulator pump when the room temperature is above the thermostat set point.
4.4 Tank back up heater noce
Heat pump will stop when T5(tank temperature) has reached the minimum of both T5S(tank seng temperature) and
T5stop (highest tank temperature which can be reached under certain ambient temperature with heat pump only) and
lasted for 5s. The value of T5stop is shown as below.
If T5S is higher than T5stop, then T5S can not be reached with heat pump only. In this case, tank back up heater is needed
in order to reach T5S.
T5stop value:
Ambient temperature(℃) < -20 -20~15 -15~-10 -10~-5 -5~0 0~5 5~10
T5stop(℃) 35 40 45 48 52 55 56
Ambient temperature(℃) 10~15 15~20 20~25 25~30 35~40 40~65 40~65
T5stop(℃) 57 56 55 52 50 48 45

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Matrix Mono
Matrix Mono
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4.2 Matrix Leaving Water Temperature (LWT)Selecon
The recommended design LTW ranges for different types of heat emier are:
§For floor heang: 30 to 35⁰C
§For fan coil units: 30 to 45⁰C
§For low temperature radiators: 40 to 50⁰C
4.3 Opmizing System Design
To get the most comfort with the lowest energy consumpon with Matrix , it is important to take account of the
following consideraons:
§Choose heat emiers that allow the heat pump system to operate at as low a hot water temperature as possible
whilst sll providing sufficient heang.
§Make sure the correct weather dependency curve is selected to match the installaon environment (building
structure, climate) as well as ender user’s demands.
§Connecng room thermostats (field supplied) to the hydronic system helps prevent excessive space heang by
stopping the outdoor unit and circulator pump when the room temperature is above the thermostat set point.
4.4 Tank back up heater noce
Heat pump will stop when T5(tank temperature) has reached the minimum of both T5S(tank seng temperature) and
T5stop (highest tank temperature which can be reached under certain ambient temperature with heat pump only) and
lasted for 5s. The value of T5stop is shown as below.
If T5S is higher than T5stop, then T5S can not be reached with heat pump only. In this case, tank back up heater is needed
in order to reach T5S.
T5stop value:
Ambient temperature(℃)< -20 -20~15 -15~-10 -10~-5 -5~0 0~5 5~10
T5stop(℃)35 40 45 48 52 55 56
Ambient temperature(℃)10~15 15~20 20~25 25~30 35~40 40~65 40~65
T5stop(℃)57 56 55 52 50 48 45
Matrix Mono
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Part 1 - General Informaon
5Typical Applicaons
5.1 Applicaon 1
Figure 1-5.1: Applicaon 1
Legend
1 Outdoor unit 14 Domesc hot water tank (Field supply)
3 User interface 14.1 TBH: Domesc hot water tank booster heater (Field supply)
4 SV1:3-way valve (Field supply) 14.2 Coil 1, heat exchanger for heat pump
5 Balance tank (Field supply) 14.3 Coil 2, heat exchanger for Solar energy
5.1 Automac bleed valve 15 Filter (Accessory)
5.2 Drainage valve 16 Check valve (Field supply)
5.3 Tbt1: Balance tank upper temperature sensor
(Oponal) 17 Shut-offvalve (Field supply)
6 P_o: Zone A circulaon pump (Field supply) 18 Filling valve (Field supply)
9 P_s: Solar pump (Field supply) 19 Drainage valve (Field supply)
9.1 Tsolar: Solar temperature sensor (Oponal) 20 Tap water inlet pipe (Field supply)
9.2 Solar panel (Field supply) 21 Hot water tap (Field supply)
10 P_d: DHW pipe pump (Field supply) 23 Collector/distributor (Field supply)
11 T5: Domesc water tank temperature sensor
(Accessory) 24 Bypass valve (Field supply)
12 T1: Water flow temperature sensor (Oponal) FHL1…n Floor heang loop (Field supply)
13 Expansion vessel (Field supply) AHS Auxiliary heat source (Field supply)
Notes:
1. The example is just for applicaon illustraon; please confirm the exact installaon method according to the installaon manual.

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Matrix Mono
Inventor Matrix Mono Engineering Data Book
Matrix Mono
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5.1.1 Space heang
The ON/OFF signal and operaon mode and temperature seng are set on the user interface. P_o (6) keeps running as
long as the unit is ON for space heang, SV1(4) keeps OFF.
5.1.2 Domesc water heang
The ON/OFF signal and target tank water temperature (T5S) are set on the user interface. P_o (6) stops running as long as
the unit is ON for domesc water heang, SV1(4) keeps ON.
5.1.3 AHS (auxiliary heat source) control
The AHS funcon is set on the indoor unit
1) When the AHS is set to be valid only for heang mode, AHS can be turned on in the following ways:
a. Turn on the AHS via BACKHEATER funcon on the user interface;
b. AHS will be turned on automacally if inial water temperature is too low or target water temperature is too high at low
ambient temperature.
P_o (6) keeps running as long as the AHS is ON, SV1(4) keeps OFF.
2) When the AHS is set to be valid for heang mode and DHW mode. In heang mode, AHS control is same as part 1); In
DHW mode, AHS will be turned on automacally when the inial domesc water temperature T5 is too low or the target
domesc water temperature is too high at low ambient temperature. P_o (6) stops running, SV1(4) keeps ON.
3) When the AHS is set to be valid, M1M2 can be set to be valid on the user interface. In heang mode, AHS will be turned
on if MIM2 dry contact closes. This funcon is invalid in DHW mode.
5.1.4 TBH (tank booster heater) control
The TBH funcon is set on the user interface.
1）When the TBH is set to be valid, TBH can be turned on via TANKHEATER funcon on the user interface; In DHW mode,
TBH will be turned on automacally when the inial domesc water temperature T5 is too low or the target domesc
water temperature is too high at low ambient temperature.
2）When the TBH is set to be valid, M1M2 can be set to be valid on the user interface. TBH will be turned on if MIM2 dry
contact closes.
5.1.5 Solar energy control
Hydraulic module recognizes solar energy signal by judging Tsolar or receiving SL1SL2 signal from user interface. The
recognion method can be set via SOLAR INPUT on the user interface. Please refer to 8.8.5 "For solar energy input signal"
for wiring.
1）When Tsolar is set to be valid, Solar energy turns ON when Tsolar is high enough, P_s(9) starts running; Solar energy
turns OFF when Tsolar is low, P_s (9) stops running.
2）When SL1SL2 control is set to be valid, Solar energy turns ON aer receiving Solar kit signal from user interface, P_s (9)
starts running; Without solar kit signal. Solar energy turns OFF, P_s (9) stops running. The room thermostats are not
connected to the Mono unit but to a motorized valve. Each room’s temperature is regulated by the motorized valve on its
water circuit. Domesc hot water is supplied from the domesc hot water tank connected to the Mono unit. A bypass
valve is required.