CLIVET MULTISplit HYDRO-M 80M User manual
HYDROM 80M
TECHNICAL MANUAL
MULTISplit
TM21N041GB-00 01/2022
R32
Table of Contents Page
1. General Information ..................................................................................... 4
1. System Schematic
2. Unit Parts
3. Model Reference
4. External Appearance
5. Indoor unit combination
6. Nomenclature
2. Engineering Data .......................................................................................... 22
1. General Specifications
2. Dimensional Drawings
3. Part Names
4 Schematic Diagram
5. Electrical Wiring Diagrams
6. Indoor Printed Circuit Board Diagram
7. Electrical Characteristics
3. Product Features ........................................................................................... 24
1. Operation Modes and Functions
2. Wired Controller Functions
3. SMART KIT Configuration Guidelines
4. Installation .................................................................................................... 59
1. Installation Overview
2. Location Selection
3. Indoor Unit Installation
4. Outdoor Unit Installation
Table of Contents Page
5. Refrigerant Pipe Installation
6. Vacuum Drying and Leakage Checking
7. Water Pipework
8. Additional Refrigerant Charge
9. Engineering of Insulation
10. Engineering of Electrical Wiring
11. Selection of Water Tank
12. Test Operation
13. Error Code
Contents
1. System Schematic ..................................................................................................5
2. Unit Parts..............................................................................................................16
3. Model Reference..................................................................................................18
4. External Appearance ...........................................................................................18
5. Indoor unit combination .....................................................................................19
6. Nomenclature.......................................................................................................20
General Information
General
Information
Page 5
1. System Schematic
With innovation technology, Midea combine Air to Air and Air to Water in the same multi system, providing an all-in-one
solution for demands of space cooling, space heating and domestic hot water.
1.1 Scenario 1:Use of multi-split air conditioners
Indoor unit: cooling (dehumidifying), heating, fresh air, hydraulic module: domestic hot water, space heating
There is a mode conflict among cooling (dehumidifying), heating and the space heating. The domestic hot water mode
doesn’t have conflicts with other modes, they can be switched on simultaneously but cannot be operated simultaneously.
Domestic hot water mode is preferred by default (and can be canceled by operating the wired controller). After the hot
water reaches the set temperature, other modes can be operated, and it can also be avoided by hot water timing. If
the hot water mode is not preferred, it will be operated intermittently with other modes until one mode reaches the set
temperature or the unit is shut down.
1
2
9
11
30 30
30
Reserved functions: Simultaneous operation of hydraulic module and heating can be set with the wired controller, but
the user shall be reminded of it in the instructions. This setting may lead to poorer heating effect of indoor unit of the air
conditioner or poorer space heating effect or longer duration or higher power consumption for the domestic hot water
to reach the set temperature. If the domestic hot water cannot reach the set temperature for a long time, the hydraulic
module and the EA heater of the water tank will be started to ensure the domestic hot water temperature;
1 Outdoor unit
2 Hydraulic module
9 Floor heating
11 Domestic hot water storage
tank
30 Indoor unit of air conditioner
General
Information
Page 6
1.2 Scenario 2:Only used for space heating
The outlet water temperature of the hydraulic module is set by using the user controller, and the outlet water
temperature is set in accordance with different loads (floor heating or heating radiator) or room temperature. When the
outlet water temperature reaches the set temperature, the hot water generator will shut down. External circulating water
pumps may be connected to the pipelines to increase the pumping head, and water pump interfaces are reserved on the
main board.
1
2
34
5
6
8
7
7
9
1 Outdoor unit
2 Hydraulic module
3 Heat exchanger
4 Electric heating tank
5 Built-in circulating water pump
6 User controller
7 Shut-off valve (field supplied)
8 External circulating water pump (field supplied)
9 Floor heating
General
Information
Page 7
1.3 Scenario 3: Space heating and domestic hot water
The domestic hot water is supplied by the domestic hot water storage tank connected to the hot water generator,
the hot water tank is connected by electric 3-way valve and feedwater line, the main control feed tank has reserved
temperature sensor and immersion electric heater interfaces (achieving disinfection and EA heating functions), there is no
water tank by default in the system, and they needs to be started by dialing on the main board.
1
2
34
5
6
8
7
7
9
10
11
12
13
14
15
16
1 Outdoor unit
2 Hydraulic module
3 Heat exchanger
4 Electric heating tank
5 Built-in circulating water pump
6 User controller
7 Shut-off valve (field supplied)
8 External circulating water pump (field supplied)
9 Floor heating
10 Electric 3-way valve (field supplied)
11 Domestic hot water storage tank
12 Heating coil
13 Immersion electric heater
14 Temperature detection tube (for water temperature
sensor)
15 Magnesium anode (for electrochemical corrosion)
16 Drain outlet
General
Information
Page 8
1.4 Scenario 4: Space heating, space cooling (reserved) and domestic hot water
A floor heating loop and a fan coil unit are used for space heating, and a fan coil unit is used for space cooling.
The domestic hot water is supplied by the water tank connected to the hydraulic module. The start and stop of air
conditioning and heating and domestic hot water are controlled by the outlet water temperature of the hydraulic
module and the water tank temperature respectively. In space cooling mode, close the 2-way valve to prevent the cold
water from entering the floor heating loop.
1
2
34
5
6
8
7
7
9
10
11
12
13
14
15
16
17
18
1 Outdoor unit
2 Hydraulic module
3 Heat exchanger
4 Electric heating tank
5 Built-in circulating water pump
6 wired controller
7 Shut-off valve (field supplied)
8 External circulating water pump
(field supplied)
9 Floor heating
10 Electric 3-way valve (field supplied)
11 Domestic hot water storage tank
12 Heating coil
13 Immersion electric heater
14 Temperature detection tube (for water temperature
sensor)
15 Magnesium anode (for electrochemical corrosion)
16 Drain outlet
17 Electric 2-way valve
18 Fan coil
General
Information
Page 9
1.5 Scenario 5: Space heating and domestic hot water + return water function
A return water function is provided for the domestic hot water. The start and stop of the return water pump are
controlled by the return water temperature, so there is no waiting for the use of hot water. The main board has return
water pump and return water temperature sensor interfaces, which are started by dialing on the main board (the return
water pump and the mixing water pump share an interface, the mixing water pump is defaulted in the system).
1
2
34
5
6
8
7
7
9
10
11
12
13
14
15
16
19
20
1 Outdoor unit
2 Hydraulic module
3 Heat exchanger
4 Electric heating tank
5 Built-in circulating water pump
6 wired controller
7 Shut-off valve (field supplied)
8 External circulating water pump (field supplied)
9 Floor heating
10 Electric 3-way valve (field supplied)
11 Domestic hot water storage tank
12 Heating coil
13 Immersion electric heater
14 Temperature detection tube (for water temperature
sensor)
15 Magnesium anode (for electrochemical corrosion)
16 Drain outlet
19 Return water pump
20 Return water temperature sensor
General
Information
Page 10
1.6 Scenario 6: Only used for space heating (suitable for multiple terminals, water
temperature adjustment)
During heating, the user can connect multiple terminals simultaneously, e.g. floor heating system and heating radiators
(or fan coils). However, as the water temperature required for the heating radiator is higher than that required for the
floor heating, a mixing water valve and a mixing water pump are provided for the floor heating to adjust the water
temperature of the floor heating. For example, if the set outlet water temperature of the hydraulic module is 55°, the
floor heating temperature can be controlled at 35° by the mixing water valve to prevent damages to the floor due to
high temperature. The mixing water valve is controlled by itself. The main board has a reserved mixing water pump
interface (the return water pump and the mixing water pump share an interface, the mixing water pump defaulted in
the system, and the mixing water pump can also be connected to the 2-way valve interface when the return water pump
and the mixing water pump are needed simultaneously).
1
2
34
5
6
21
7
7
9
8
23
22
1 Outdoor unit
2 Hydraulic module
3 Heat exchanger
4 Electric heating tank
5 Built-in circulating water pump
6 User controller
7 Shut-off valve (field supplied)
8 External circulating water pump (field supplied)
9 Floor heating
21 Mixing water pump
22 Mixing water valve
23 Heating radiator
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