AERMEC WRL 200 Technical Manual
Water/water chiller
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Also See for WRL 200:
- Manual (24 pages) ,
- Installation & maintenance manual (16 pages) ,
- Installation manual (32 pages)
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Table of Contents
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Summary of Contents for AERMEC WRL 200
- Page 1 REVERSIBLE CHILLER - Technical Manual WRL 200-400-500 WATER/WATER CHILLER • HIGH EFFICIENCY • MAXIMUM WATER OUTLET TEMPERATURE 55°C/131°F • DESUPERHEATER • SUITABLE FOR GEOTHERMAL APPLICATIONS Certificate No. U8131286304002 Tested according to: UL 1995:2011 IWRLPY. 1403. 5890710_01...
- Page 2 AERMEC S.p.A AERMEC S.p.A. reserves the right at all times to make any modification for the improvement of its product and is not obliged to add these modification to machines of previous manufacture that have already been delivered or are being built.
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Page 3: Table Of Contents
Summary General warnings ..............4 1.1. Preservation of the documentation ........4 1.2. Installation ................4 1.3. Warranty ................4 1.4. Warnings regarding safety and installation standards ... 4 Product identification ............. 4 2.1. Technical plate position ............4 Presentation ................5 Ceck list .................. 5 4.1. Description and choice of the unit ......... 6 Description of components ............ 7 5.1. -
Page 4: General Warnings
GENERAL WARNINGS 1.3. WARRANTY The appliance warranty does not cover the The WRL AERMEC units are constructed costs for ladder trucks, scaffolding, or other Standards and directives to be followed according to the recognised technical elevation systems that may become necessary in the design and manufacture of the standards and safety regulations. -
Page 5: Presentation
PRESENTATION PRESENTATION EASY INSTALLATION THE UNITS ARE OPTIMISED FOR AERMEC presents the new WRL units, HYDRAU- The electric and hydraulic connections are Geothermic systems Production of water for LIC CIRCUIT REVERSIBLE CHILLER, optimised for all positioned in the upper part of the unit... -
Page 6: Description And Choice Of The Unit
4.1. DESCRIPTION AND CHOICE OF THE UNIT 1 2 3 4 5 6 ° ° ° ° ° ° Field: 1 2 3 Code 4 5 6 Size 200, 400, 500 7 Field of use ° standard mechanical thermostatic valve (min. water out temp +4°C) mechanical thermostatic valve (water outlet temp range -8 ÷... -
Page 7: Description Of Components
DESCRIPTION 5.3. HYDRAULIC CIRCUIT 5.5. ELECTRIC CONTROL BOARD OF COMPONENTS AND REGULATION WRL STANDARD VERSION (SUPPLIED AS STANDARD) Electric power and control board, 5.1. STRUCTURE manufactured in compliance with the EN WATER FILTER 60204-1/IEC 204-1 Standards, complete with: BASEAND SUPPORT STRUCTURE Equipped with steel filtering mesh;... - Page 8 Additional functions: • Control of an external integration resource dedicated to DHW. • System control with heat pump and boiler. • Anti-Legionella cycle. • Time periods for the daily / weekly programming. Heat regulation Temperature regulation is based on the return water from the system.
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Page 9: Accessories
ACCESSORIES • AER485P1: RS-485 interface for supervis- ing systems with MODBUS protocol. • VT: Anti-vibration mounts to be assem- bled under the unit's sheet steel base. • PGD1: Simplified remote panel. Allows to perform the basic controls of the unit with alarm signals. Can be con- trolled from a max of 500 m with 2 PAIRS of TWISTED cable + SHIELD with shielded pairs and TCONN6J000. -
Page 10: Technical Data
TECHNICAL DATA 7.1. HEAT PUMP WATER SIDE INVERSION [ ° ] Mod. WRL U.M. Cooling capacity 15,26 20,64 26,86 Input power 11,38 15,08 19,02 Evaporator water flow 36,56 49,43 64,33 Evaporator pressure drop Condenser water flow 45,99 61,97 80,25 Condenser pressure drop Heating capacity BTU/h 198652... - Page 11 Mod. WRL U.M. ELECTRICAL DATA (460V-3-60Hz power supply “7”) Input current (cooling) Input current (heating) No pump version Recommended fuse Only evaporator pump Recommended fuse Only condenser pump Recommended fuse Evap + cond pumps Recommended fuse ELECTRICAL DATA (575V-3-60Hz power supply “8”) Input current (cooling) Input current (heating) No pump version...
- Page 12 SOUND POWER SOUND PRESSURE Aermec determines sound power values on the basis of measurements Sound pressure in free field, at 10m / 32,8ft distance from the external surface made in accordance with UNI EN ISO 9614-2, as required for Eurovent of the unit (in accordance with UNI EN ISO 3744) certification.
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Page 13: Operating Limits
OPERATING LIMITS 8.1. OPERATING LIMITS STANDARD STANDARD VERSION VERSION °F °C The operating limits diagram is relative to a ∆t on the evaporator and the condenser of 5K. Condenser outlet inlet difference (Δtc): min: 5°C / 41°F Standard functioning / X max: 22°C / 71,6°F Operating (for different temperature with glycol Y contact the head office) Evaporator outlet... -
Page 14: Performance And Absorption That Differ From The Nominal Values - Standard Versions
PERFORMANCE AND ABSORPTION THAT DIFFER FROM THE NOMINAL VALUES - STANDARD VERSIONS 9.1. COOLING CAPACITY AND INPUT COOLING CAPACITY POWER The refrigerating capacity yielded and the input electrical capacity in conditions other than rated conditions are obtained by multiplying the rated values (Pc, Pa) by the respective correction coefficients (Cf, Ca). -
Page 15: Heating Capacity And Input Power
9.4. HEATING CAPACITY AND INPUT POWER The heating capacity yielded and the input electrical capacity in conditions other than rated conditions are obtained by multiplying the rated values (Ph, Pa) by the respective correction coefficients (Ch, Ca). The diagram allows you to obtain the correc- tion coefficients;... -
Page 16: Cooling Capacity And Input Power
9.8. COOLING CAPACITY AND INPUT HEATING CAPACITY - DESUPERHEATER POWER The heating capacity yielded in conditions other than rated conditions are obtained by multiplying the rated values (Ph, Pa) by the respective correction coefficients (Cd). Diagram (Tab. 8.10.1) allows you to obtain the correc- tion coefficients;... -
Page 17: Pressure Drops
PRESSURE DROPS EVAPORATOR PRESSURE DROP COOLING MODE FUNCTIONING The diagram pressure drops are related to an average water temperature of 10 °C/50°F. Water flow rate MIN e MAX WRL 200-400 Model u.m. WRL 200 9,03 95,10 WRL 400 11,67 95,10... - Page 18 The diagram pressure drops are related to an average water temperature of 10 °C/50°F. Shows the corrections on the table to apply to the pressure drops with a variation in average water temperature. Water flow rate MIN e MAX “heating mode” Model u.m. WRL 200 3,08 74,85 WRL 400 3,08 74,85 WRL 500...
- Page 19 EVAPORATOR USEFUL HEAD COOLING MODE FUNCTIONING 34,8 WRL 200 230/460V WRL 400 WRL 500 230/460V WRL 200 575V WRL 400 575V WRL 500 575V 5000 10000 15000 20000 25000 30000 CONDENSER USEFUL HEAD COOLING MODE FUNCTIONING 34,8 WRL 200 230/460V...
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Page 20: Minimum/Maximum Water Content In The System
MINIMUM/MAXIMUM WATER CONTENT IN THE SYSTEM versions U.M. Minimum water content in the system (standard). gal/ton 6,50 6,50 6,50 Minimum water content in the system for process applications or operation with low load. gal/ton 13,01 13,01 13,01 Δt Project data less than 5K. EXPANSION VESSEL CALIBRATION The standard pressure pre-load value of the expansion vessel is 1,5bar/21,8PSI, maximum... -
Page 21: Ethylene Glycol
ETHYLENE GLYCOL COOLING MODE - CORRECTION FACTOR WITH ETHYLENE GLYCOL Freezing Point °C/°F 0/32 -5/23 -7/19,4 -10/14 -13/8,6 -15/5 -20/-4 -25/-13 -30/-22 -37/-34,6 -44/-47,2 Percent ethylene glycol 1,00 1,052 1,066 1,088 1,111 1,133 1,155 1,177 1,199 1,220 1,242 1,000 0,988 0,985 0,980 0,975... -
Page 22: Sound Data
SOUND DATA 15.1. SOUND LEVEL OF WRL STANDARD VERSION SOUND POWER: Aermec determines sound power values on the Sound pressure dB(A) Sound power by central band freq. dB(A) Sound power basis of measurements made in accordance with UNI EN ISO 9614-2, as required for Euro-... - Page 24 Telefax (+39) 0442 93730 – (+39) 0442 93566 Papiere recycle papier recyclé www.aermec.com recycled paper recycled Papier The technical data in the following documentation are not binding. Aermec reserves the right to make all the modifications considered necessary for improving the product at any time.
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