Gree Versati II Series Скачать руководство пользователя

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Design & Selection

2 Model Selection

2.1 Speculations of Power Supply

Two choices of Power Supply

380~415V-3PH-50Hz

220~240V-1PH-50Hz

GRS-CQ10Pd/NaC-K

GRS-CQ8.0Pd/NaC-K

GRS-CQ12Pd/NaC-M

GRS-CQ14Pd/NaC-M

2.2 Operation Conditions

Capacities and power inputs are based on the following conditions (floor heating /cooling )
a. Cooling conditions

b. Heating conditions

Indoor Water Temp 23°C/18°C;

Indoor Water Temp 30°C/35°C;

Outdoor Air Temp 35°C DB/24°C WB

Outdoor Air Temp 7°C DB/6°C WB

Capacities and power inputs are based on the following conditions (FCU or radiator)
a. Cooling conditions

b. Heating conditions

Indoor Water Temp 12°C/7°C;

Indoor Water Temp 40°C/45°C;

Outdoor Air Temp 35°C DB/24°C WB

Outdoor Air Temp 7°C DB/6°C WB

2.3 Flowchart of Model Selection

Calculate the load

Preliminary selection

of unit

Finish unit selection

Actual capacity

＞

Load

Calculate the load

YES

2.4 Design Principle

◆

Cooling: capacity of the unit ≥ cooling load of the air conditioning

◆

Heating: capacity of the unit ≥ max{ heating load, floor heating load, water heating load}

◆

Water Tank: it should be selected based on the sanitary outfit or quantity of users. Each unit can
accommodate only one water tank.

Содержание Versati II Series

Страница 1: ...Change for life GREE ELECTRIC APPLIANCES INC OF ZHUHAI Air to water Heat Pump Monobloc Versati Design and Selection ...

Страница 2: ...oils 4 4 Quantity and Location of the Water Traps and Collectors 5 4 1 Design Requirements on Loop Quantity for Circulation Water 5 4 2 Requirements on Installation of the Water Trap Collector 6 5 Section of FCU 7 5 1 FCU Type Selection 7 5 2 Matching of Capacity 7 6 Selection of the Water Tank 8 6 1 Specifications of the Water Tank 8 6 2 Volume Selection of the Water Tank 8 7 Examples for Model S...

Страница 3: ... of thermostat and specification should be complied with installation of this manual The Bypass valve must be installed to secure enough water flow rate and should be installed at the collector CASE 2 Connecting Sanitary Water Tank Notes In this case three way valve should be installed and should be complied with installation of this manual Sanitary water tank should be equipped with internal elec...

Страница 4: ...Hot water Notes Two way valve is very important to prevent dew condensation on the floor and Radiator while cooling mode 3 Way valve 1 is controlled by user while the pool pump is actived 3 Way valve 1 switches to pool loop while the pool pump is shuted down 3 Way valve 1 switches to under floor FCU loop 3 Way valve 2 is automatic controlled by monobloc unit while running water heating mode 3 Way ...

Страница 5: ...ies and power inputs are based on the following conditions FCU or radiator a Cooling conditions b Heating conditions Indoor Water Temp 12 C 7 C Indoor Water Temp 40 C 45 C Outdoor Air Temp 35 C DB 24 C WB Outdoor Air Temp 7 C DB 6 C WB 2 3 Flowchart of Model Selection Calculate the load Preliminary selection of unit Finish unit selection Actual capacity Load Calculate the load YES NO 2 4 Design Pr...

Страница 6: ...oils Tube spacing of the underfloor coils which will directly affect heat dissipation of the floor depends on the tube material indoor design temperature supply water temperature and floor material Heat Dissipation of Commonly Used Coils Tube material PE X Indoor temperature 18 C Average water temperature 45 C Floor Material Thermal Resistance m2 K W Tube Spacing mm Heat Dissipation W m2 Tube Spac...

Страница 7: ...on Loop Quantity for Circulation Water 1 One water trap collector is allowed for at most eight loops When quantity of loops exceeds 12 then two traps collectors should be used or it will cause uneven water distribution 2 The maximum flow rate of the water trap collector should be less than 0 8m s 3 The inlet and outlet of each loop should be connected to the water trap collector and the inner diam...

Страница 8: ...ap collector should be installed on the wall or inside the special box For housing constructions it is generally installed in the kitchen 2 The valve for the water trap collector should be installed horizontally and keep a distance of at least 300mm to the ground 3 The water supply valve should be installed upstream of the water trap collector and the return valve should be installed downstream of...

Страница 9: ... would start stop frequently which is adverse for oil return When load of the FCU is too large the unit would always run under high frequency which is unhelpful for energy conservation Type Air Volume m3 h Cooling Capacity kW Heating Capacity kW Static Pressure Pa Appearance Wall mounted type 166 1020 2 1 5 4 3 15 8 5 Concealed ceiling type 213 2380 1 85 12 8 3 1 21 12 30 Floor ceiling type 213 20...

Страница 10: ...ction of the Water Tank Selection of the water tank should consider the flow rate of the shower head duration of use per person and daily water consumption Volume of the Water Tank t design temperatuere t entering cold water temperatuere t water tank temperatuere set point t entering cold wa ter temperature consumption t design temperature generally it is 60 C t entering cold water temperature it ...

Страница 11: ...0 18m3 h It can be see that the arranged piping system for the bathroom does not meet the technical requirement and must be used in common for the master room 7 2 4 Arrangement Design of the Underfloor System for the Master and Both Rooms According to the calculation results the total heat load for the master and bath rooms is 3196W heat dissipation per unit area is 82W m2 tube spacing of the heat...

Страница 12: ...n Heat demand for a single layer 3196W Heat loss for a single layer 1016W Total heat load for a single layer 4212W Total heat load of the building 8424W Capacity of the main unit should be larger than 8424W so we can select GRS CQ10Pd NaC K ...

Страница 13: ......

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