JWA 14÷20 S/IK/P/A
A CLASS energy efficiency aircooled liquid Chillers and Heat Pumps with axial fans, Inverter Scroll compressor, plate exchanger and high efficiency EC Inverter circulator
The unit features high efficiency integrated circulator with EC Inverter brushless electronic motor.
The units are compliant to the ErP Regulation.
Versions
- JWA - Cooling only
- JWA/WP - Reversible heat pump
Power range
- 6,0-22,0 kW
- 1,7-6,4 Ton
Features
- Axial fans with low ventilation and special wing profile, directly coupled to external rotor motors.
- Condenser made of copper tubes and aluminium finned coil, complete with condensate drain pan for WP version only.
- Evaporator AISI 96 stainless steel braze welded plates type, complete with water differential pressure switch. On the Heat Pump units it is always installed an antifreeze heater.
- Electronic expansion valve.
- R110A refrigerant.
- Electrical board includes: main switch with door lock device, fuses, compressor and pump remote control switch.
- Condensing Control is included: electronic proportional device that ensures efficient and continuous functioning of the unit with outside air temperature down to -20 °C in cooling mode. It also allows to reduce the sound level especially at night. It consists of a fans speed controller with continuous speed regulation and high and low pressure transducers on cooling circuit.
- Functioning in heating mode with outside air temperature down to -15 °C.
- Water circuit includes: water differential pressure switch, high efficiency EC Inverter circulator, safety valve and expansion vessel.
- High efficiency circulator with EC Inverter brushless electronic motor with 3 speeds selectable by the user.
- Microprocessor control and regulation system.
- Advanced functions: remote set-point with 0-10V signal, remote set-point with 4-20mA signal, remote signal for second set-point activation, demand limit from digital input, management of hybrid systems, management of domestic hot water production.
Accessories
Factory fitted accessories
- TX Coil with pre-coated fins
- FE Antifreeze heater for evaporator
Loose accessories
- CR Remote control panel
- IS Modbus RTU protocol, RS485 serial interface
- RP Coils protection metallic guards
- FP Coils protection metallic guards with filter
Dokumentumok
- Product overview (EN) _ktk_dpl_over_2022_ENG_w.pdf
- Product guides (EN) KTK_Product_Guide_ENG_05_2022.pdf
- Commercial leaflets (EN) _ktk_dpl_low_gwp_refrigerants_technical_handbook_ENG_07.2022.pdf
- Commercial leaflets (EN) _ktk_dpl_low_gwp_refrigerants_commercial_ENG_07.2022.pdf
- Technical brochures 01_jwa_7-20_s-ik-p-a_ktb_190_gShl4dF.pdf
- Installation, use and maintenance manuals (IT) IT_JWA_7_20_S_IK_P_A__KTM-190_REV2.pdf
- Installation, use and maintenance manuals (EN) EN_JWA_7_20_S_IK_P_A__KTM-190_REV2.pdf
- Installation, use and maintenance manuals (DE) DE_JWA_7_20_S_IK_P_A__KTM-190_REV2.pdf
- Installation, use and maintenance manuals (FR) FR_JWA_7_20_S_IK_P_A__KTM-190_REV2.pdf
- Installation, use and maintenance manuals (ES) ES_JWA_7_20_S_IK_P_A__KTM-190_REV2.pdf