SAMSUNG Electronics HVAC
HVAC Guide Specifications
Variable Refrigerant Flow
Heat Pump Air Cooled Modular Chiller Models
Capacity Range (US Tons):10 ~ 240 US Tons Nominal
SAMSUNG Electronics Chiller Model Numbers:
ag010KSVAFH/AA
AG010KSVAJH/AA / AG015KSVAFH/AA
AG015KSVAJH/AA
1. Part 1 – General
1.1 System Description
A. The air cooled modular chiller system shall be a SAMSUNG Electronics DVM Chiller System. The DVM Chiller shall be heat pump (cool/heat) system.
B. The variable capacity, air cooled modular chiller system shall consist of the combinations of DVM Chiller units detailed in the table below with recommended pipe diameters per combination.
Nominal Tons / Standard / High Efficiency /AG010KSVA*H/AA / AG015KSVA*H/AA / Recommended Pipe Diameter / AG010KSVA*H/AA / AG015KSVA*H/AA / Recommended Pipe Diameter /
10 / 1 / 2"
15 / 1 / 2"
20 / 2 / 2"
30 / 2 / 2 1/2" / 3 / 2 1/2"
40 / 4 / 2 1/2"
45 / 3 / 3"
50 / 5 / 3"
60 / 4 / 3" / 6 / 3"
70 / 7 / 3 1/2"
75 / 5 / 3 1/2"
80 / 8 / 4"
90 / 6 / 4" / 9 / 4"
100 / 10 / 4"
105 / 7 / 4"
110 / 11 / 4"
120 / 8 / 4" / 12 / 4"
130 / 13 / 4"
135 / 9 / 4"
140 / 14 / 5"
150 / 10 / 5" / 15 / 5"
160 / 16 / 5"
165 / 11 / 5"
180 / 12 / 5"
195 / 13 / 5"
210 / 14 / 5"
225 / 15 / 5"
240 / 16 / 5"
C. The air cooled modular chiller system shall consist of AG01*KSVA*H/AA air cooled modular chiller unit and SAMSUNG DVM S NASA Control Network Solution (Control systems). The AG01*KSVAFH/AA air cooled modular chiller unit shall be a 208/230 volt, three phase unit. The AG01*KSVAJH/AA air cooled modular chiller unit shall be a 460 volt, three phase unit.
1.2 Quality Assurance
A. The units shall be listed by Electrical Laboratories (ETL) and bear the ETL label.
B. All wiring shall be in accordance with the National Electrical Code (N.E.C.).
C. The units shall be manufactured in a facility registered to ISO 9001 and ISO14001 which is a set of standards applying to environmental protection set by the International Standard Organization (ISO).
D. A full charge of R-410A shall be provided in the air cooled modular chiller unit.
E. The installing contractor must have attended Samsung DVM Chiller installation training prior to installing the system.
F. Service and installation manuals must be readily available on the manufacturer’s website without entering a username and password.
2. Part 2 – Chiller Unit Performance
2.1 The DVM Chiller units shall perform as indicated below (Nominal capacity):
Mode / Conditions / AG10KSVA*H/AA / AG15KSVA*H/AA /Cooling / 95°F ambient,
Entering temperature: 54°F, leaving temperature: 44°F / 120,000 / 168,000 /
Heating
(dry/wet bulb: 47/43°F) / Leaving temperature: 105°F / 128,000 / 182,000 /
Leaving temperature: 120°F / 120,000 / 171,000 /
Heating
(dry/wet bulb: 17/15°F) / Leaving temperature: 105°F / 84,000 / 90,000 /
Leaving temperature: 120°F / 80,000 / 85,000 /
Capacity Correction
Capacity correction factor by water flow rate
Correction / % Of Nominal Flow Rate50 / 56 / 67 / 78 / 89 / 100 / 111 / 133 / 167 / 200
Power Input / 0.981 / 0.981 / 0.985 / 0.990 / 0.995 / 1.000 / 1.005 / 1.015 / 1.030 / 1.044
∆T (°F) / 20.0 / 18.0 / 15.0 / 12.9 / 11.3 / 10.0 / 9.0 / 7.5 / 6.0 / 4.5
Quiet function Correction factor
Cooling
Quiet Function / Outdoor Air Temperature (°F, DB)32.0 / 68.0 / 95.0 / 113.0
Capacity / Power Input / Capacity / Power Input / Capacity / Power Input / Capacity / Power Input
Level 1 / 1.00 / 1.00 / 1.00 / 1.00 / 1.00 / 1.27 / 0.52 / 1.08
Level 2 / 1.00 / 1.00 / 1.00 / 1.00 / 1.00 / 1.36 / 0.51 / 1.07
Level 3 / 1.00 / 1.00 / 0.90 / 0.86 / 0.70 / 0.90 / 0.40 / 0.96
Heating
Quiet Function / Outdoor Air Temperature (°F, DB)5.0 / 35.6 / 44.6 / 59.0
Capacity / Power Input / Capacity / Power Input / Capacity / Power Input / Capacity / Power Input
Level 1 / 0.47 / 1.08 / 0.88 / 1.21 / 1.00 / 1.24 / 1.00 / 1.00
Level 2 / 0.46 / 1.06 / 0.88 / 1.27 / 1.00 / 1.33 / 1.00 / 1.00
Level 3 / 0.34 / 0.96 / 0.60 / 0.92 / 0.67 / 0.91 / 1.00 / 1.00
Correction factor by altitude
Altitude (feet) / 0 / 1000 / 2000 / 3000 / 4000 / 5000 / 6000 / 7000 / 8000 / 9000 / 10000Power Input / 1.0000 / 1.0091 / 1.0185 / 1.0281 / 1.0380 / 1.0481 / 1.0585 / 1.0692 / 1.0801 / 1.0913 / 1.1029
3. Part 3 – Products
3.1 Heat Pump Air cooled modular chiller
A. General:
The air cooled modular chiller system shall consist of the AG01*KSVAFH/AA air cooled modular chiller units and SAMSUNG DVM S NASA Control Network Solution (Control systems). The AG01*KSVA*H/AA air cooled modular chiller units shall be equipped with multiple circuit boards that interface to the SAMSUNG DVM S NASA Control Network Solution (Control systems) and shall perform all functions necessary for operation. The air cooled modular chiller unit shall have a powder coated finish. The air cooled modular chiller unit shall be completely factory assembled, piped and wired. Each unit shall be run tested at the factory.
1. The air cooled modular chiller shall have current control to limit current (50% - 100% of design current) adjustable at air cooled modular chiller unit or central web accessible, control devices: MIM-D01AUN, MIM-B17BUN, or MIM-B18BUN.
2. The air cooled modular chiller compressors shall be SAMSUNG, hermetically sealed, inverter driven, direct vapor injected, asymmetric, DC scroll type. No fixed capacity compressors shall be present in the refrigerant system.
3. The air cooled modular chiller unit (individual modules) shall have a sound rating no higher than 62 dB (A).
4. The heat pump air cooled modular chiller unit shall have a high pressure safety switch, high voltage fuses, over-current protection, phase detection protection, low pressure protection, compressor overcurrent protection, current transformer(s), crank case heating, and intelligent logic to ensure proper operation within unit design limitations and operational parameters.
5. The inverter compressor PCB(s) shall be cooled with liquid refrigerant circuit(s) to operate at optimal temperatures and to prevent failure due to overheating. No compressor inverter PCB’s shall be cooled by air over heat sink. Cooling inverter components without air-cooling fins prevents failure due to environmental contaminants.
6. The air cooled modular chiller unit shall be capable of operating in ambient temperatures between 5°F ~ 118°F while in cooling mode.
7. The air cooled modular chiller unit shall be capable of operating in ambient temperatures between -13°F ~ 109°F while in heating mode.
8. The air cooled modular chiller unit shall have high efficiency, individual oil separator(s) for each compressor plus additional logic controls to ensure adequate oil volume in the compressor is maintained.
9. The compressors shall have flash injection capability to increase performance in both heating and cooling modes. This will be automatically enabled by the air cooled modular chiller unit(s) by forcing saturated refrigerant vapor directly into the scroll compression cycle increasing mass flow and overall system capacity.
10. The air cooled modular chiller unit shall have a removable EEPROM’s at the Main PCB and Hydro PCB to store all unit data. All data on the air cooled modular chiller unit EEPROM’s shall be viewable from the manufacturer provided service software. The air cooled modular chiller unit EEPROM’s shall be removable allowing replacement of air cooled modular chiller unit PCB’s without losing digital, field programmed data. The air cooled modular chiller unit removable EEPROM’s shall store the following unit data: unit model number, unit serial number, unit main PCB firmware and MICOM version, sub-PCB firmware and MICOM version, fan PCB firmware and MICOM version, inverter PCB 1 and inverter PCB 2 firmware and MICOM version, auto-trial commissioning startup data, the last 30 minutes of operation data, hydro PCB settings, and field programmed unit name/tag viewable on controls and service software.
11. The air cooled modular chiller unit shall have the ability to discharge inverter PCB capacitor voltage using service buttons on the air cooled modular chiller unit main PCB. The capacitor stored-voltage discharge feature shall allow safe inverter PCB replacement.
12. The air cooled modular chiller unit shall allow temporary disabling of individual compressors to allow system operation at reduced capacity after a compressor or compressor component related issue (when more than one compressor is present in system). Disabling of a compressor shall temporarily remove error codes and allow system operation.
13. The air cooled modular chiller unit compressors shall have a soft-start function to reduce electricity demand during system start and to increase compressor reliability.
14. In the event of system error due to air cooled modular chiller unit failure, the air cooled modular chiller unit shall display codes that specify a precise error and which air cooled modular chiller unit PCB is the cause (main PCB, HUB PCB, IPM 1, IPM 2).
B. Unit Cabinet:
1. The chassis shall be fabricated of galvanized steel, bonderized and finished with a powder coated baked enamel.
C. Refrigerant
1. R410A refrigerant shall be required for the air cooled modular chiller unit.
2. The air cooled modular chiller unit shall come pre-charged with R410a refrigerant. No additional refrigerant is required.
D. Heat Exchanger:
1. The air cooled modular chiller unit heat exchanger shall be a stainless steel brazed plate heat exchanger.
2. Refrigerant flow from the air cooled modular chiller unit shall be controlled by means of capacity modulation capable, vapor injected, DC inverter, scroll compressor (SAMSUNG).
E. Compressor:
1. The air cooled modular chiller units shall have the compressor quantity noted in the table below. All compressors shall be modulation capable, direct flash injected, DC inverter, scroll type.
Compressor Quantity /Nominal System Capacity (btu/h) / Compressor Quantity /
AG010KSVA*H/AA / 2
AG015KSVA*H/AA / 2
F. General:
1. Crankcase heaters shall be factory mounted on the compressors.
2. The air cooled modular chiller unit compressor shall have variable modulation technology to vary capacity.
3. The air cooled modular chiller unit compressors shall have flash injection technology which can increase the mass flow rate of refrigerant and offset refrigerant condensing temperatures resulting in a capacity and performance improvement in heating and cooling modes. Compressors without vapor injection shall not be present in the air source modular chiller system.
4. The compressors will be equipped with an internal thermal overload.
5. The compressors shall be mounted to avoid the transmission of vibration.
G. Operation Settings
1. The air cooled modular chiller shall have energy saving options (Water Law Control) to reduce system energy consumption.
2. Water Law control shall automatically adjust leaving water temperature based on ambient temperature or room temperature.
a. Room temperature (heating and cooling, two points each), outdoor temperature (heating and cooling, two points each), and leaving water temperature (heating and cooling, two points each) settings shall be configured with the MCM-A00N module controller when using Water Law control.
b. Water Law control shall be enabled or disabled with the MCM-A00N module controller, MIM-B17BUN (BACnet gateway), MIM-D01AUN (DMS2.5), or dry contact control.
c. Water Law based on room temperature requires installation of PT100 temperature sensor (field provided) in the space to monitor room temperature.
3. The air cooled modular chiller shall have 3 operation modes: Standard, Rotation, and Efficiency.
a. Standard Control (default setting): All modules start operating at the same time, and each module operates in the operation pattern which set in the installation service mode.
b. Rotation Control: Water outlet temperature is controlled according to the water outlet temperature average value of all operating units in a module or a field supplied external water temperature sensor. The module with the highest priority starts operating first, and if the module reaches full load, a module with the following priority will start operating. When the module with the lowest priority operates at the minimum capacity and the water outlet temperature reaches close to the set temperature, the compressors of the module stop.
c. Efficiency Control: Water outlet temperature is controlled according to the water outlet temperature average value of all operating units in a module or a field supplied external water temperature sensor. Only one unit with the highest priority operates, and if the unit operates with the optimum efficiency, a unit with the following priority will operate. When all units reach efficient operating condition, each unit operates at capacity between efficient operating condition and the maximum capacity condition.
H. Water System:
1. The circulating water must meet the VRF manufacturer’s specification and recommendations.
2. The heat exchanger shall be brazed plate type (2)
3. The water system quality shall be maintained within the following conditions: