Web code: CYP11
CHILLERS HEAT PUMPS AIR-cooled AXIAL fans

Compact-Y NF Plus

THAETY 115÷127 NF
Cooling capacity 15,5÷26,6 kW
Heating capacity 16,6÷30,4 kW
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Technical data sheet

Packaged reversible air-cooled heat pumps with axial fans. Range with scroll hermetic compressors and R410A refrigerant gas.

Features

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Key features

Hot water up to –15°C outdoor air
Temperature of the produced water up to 60°C
Plug&Play unit with integrated hydraulic module
Included evaporating/condensing control
Integrated MASTER/SLAVE control

Compact-Y NF Plus

Description

Construction features

• Compressor: hermetic, rotary scroll compressor, complete with thermal protection and casing heater for mod. 127.
• Water side heat exchanger: adequately insulated stainless steel plates, complete with antifreeze heater and water flow differential pressure switch.
• Air side heat exchanger: featuring finned coil with copper pipes and aluminium fins with hydrophilic treatment and complete with protection grille.
• Fan: external rotor axial type electric fans equipped with internal thermal protection, accident protection grilles and proportional electronic device for continuous fan rotation speed regulation.
• Control: microprocessor electronic control with Adaptive Function Plus logic.
• Structure: made of galvanised and painted steel plate, complete with condensate drain pan and unit base antifreeze heater.
• The unit is also complete with:
- outdoor air temperature probe for compensation of the Set-point;
- display of cooling circuit high and low pressure;
- Master/Slave control up to 4 units in parallel;
- clock board.

Version

• T - High efficiency/temperature version.

Models

• THAETY: heat pump unit.

PUMP set-up

• Pump unit complete with: circulator or electric circulation pump, membrane expansion tank, manual air vent valve, safety valve and pressure gauge.

TANK&PUMP set up
• Pump unit complete with: inertial buffer tank, circulator or electric circulation pump, membrane expansion tank, manual air vent valve, automatic air vent valve, safety valve, and pressure gauge.

Factory fitted accessories

• Soft-start device.
• Silenced set up.
• Antifreeze heater on the tank.
• Compressor casing heater (mod. 115-124).
• Digital input for double set-point.
• 4-20 mA analogue signal for shifting set-point.
• Low water set-point temperature.

Separately supplied accessories

• 3-way valve for the production of domestic hot water, managed by regulation.
• Additional electrical resistance for heat pump, managed by regulation.
• Outdoor air temperature probe for set-point compensation.
• Rubber anti-vibration mounts.
• Water filter.
• Remote keypad with display.
• Interfaces for serial communication with other devices.
• Serial converter (RS485/USB).
• Rhoss supervisors for unit monitoring and remote management.

Technical data

THAETY NF MODEL 115 117 122 124 127
❶ Heating capacity kW 16,6 17,7 23,4 25,9 30,4
❶ Absorbed power kW 5,72 6,32 8,18 9,08 10,03
❶ C.O.P. 2,9 2,8 2,86 2,85 3,03
❷ Heating capacity kW 18 19 24,8 27,8 32,3
❷ Absorbed power kW 4,33 4,53 5,9 6,59 7,58
❷ C.O.P. 4,16 4,19 4,2 4,22 4,26
❸ Heating capacity kW 11,7 12 15,7 17,9 20,8
❸ C.O.P. 2,77 2,77 2,8 2,77 2,84
❹ Cooling capacity kW 15,5 17,6 22,5 23,9 26,6
❹ Absorbed power kW 5,81 6,62 8,14 9,45 10,11
❹ E.E.R. 2,67 2,66 2,75 2,53 2,63
❺ Sound pressure dB(A) 50 50 52 52 53
❺ Silenced setup sound pressure dB(A) 46 46 49 49 50
Scroll compressors/steps no. 1/1 1/1 1/1 1/1 1/1
Buffer tank water content l 35 35 45 45 45
❹ P0 circulator/P1 electric pump nominal available head kPa 75/155 64/136 66/131 68/130 63/120
Electrical supply V-ph-Hz 400-3+N-50 400-3+N-50 400-3+N-50 400-3+N-50 400-3+N-50
DIMENSIONS AND WEIGHT 115 117 122 124 127
L – PUMP width mm 1230 1230 1230 1230 1535
L – TANK&PUMP width mm 1522 1522 1522 1522 1822
H – Height mm 1090 1090 1280 1280 1510
P – Depth mm 580 580 600 600 695
❻ Weight kg 215 225 278 288 350
SEASONAL ENERGY PERFORMANCE 115 117 122 124 127
THAETY NF MODEL SEASONAL PERFORMANCE IN HEATING MODE
③ Pdesignh (EN 14825) kW 18 18 24 27 32
③ SCOP (EN 14825) 3,62 3,74 3,72 3,74 3,68
④ ηs % 142 146 146 146 144
④ Energy class A+ A+ A+ A+ A+
  • Data at the following conditions:
  • ❶ Air: 7°C D.B. – 6°C W.B. – Water: 40/45°C.
  • ❷ Air: 7°C D.B. – 6°C W.B. – Water: 30/35°C.
  • ❸ Air: -7°C D.B. – Water: 30/35°C.
  • ❹ Air: 35°C D.B. – Water: 12/7°C.
  • ❺ In open field (Q = 2) at 5 m from the unit.
  • ❻ Weight refers to the most complete setup.
  • Performance according to EN 14511. Setup with circulator.
  • Important note:
  • - With circulator (P0/ASP0 setup) the units are not suitable for radiant cooling operation.
  • - Permissible heat exchanger thermal gradient ΔT = 4-8°C.
  • ③ In Average climatic conditions, low temperature application (35°C)
  • ④ Seasonal energy efficiency: low temperature heating in Average climate (EU Regulations No.811/2013 and No.813/2013)

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Technical notes

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