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WATER SOUCE SYSTEM

WATER SOUCE SYSTEM. Content. Introduction to Water Source System General Benefit of Water Source System Product Lineup Product (WH, 5WSS, WSS) Features Handset PCB Control Algorithm Selft Diagnosis & Troubleshooting Installation. INTRODUCTION to Water Source System.

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WATER SOUCE SYSTEM

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  1. WATER SOUCE SYSTEM

  2. Content • Introduction to Water Source System • General Benefit of Water Source System • Product Lineup • Product (WH, 5WSS, WSS) • Features • Handset • PCB • Control Algorithm • Selft Diagnosis & Troubleshooting • Installation

  3. INTRODUCTION to Water Source System

  4. 4 Way Valve Water inlet Water-to-refrigerant heat exchanger Water outlet Compressor Finned-tube heat exchanger Expansion device Introduction: What is Water Source Heat Pump?

  5. Water Source System Categories 1. Water Loop Heat Pump System 2. Ground Water Heat Pump System 3. Surface Water Heat Pump System 4. Ground Coupled Heat Pump System

  6. Water Source System Categories Water Loop Heat Pump • Most common configuration • Re-circulating water loop • Cooling tower & boiler

  7. Water Source System Categories Ground Water Heat Pump • Ground water from well • Drained back to well, drain, stream or lake • Stable throughout the year • Limited by availability of water table and aquifers in the ground

  8. Water Source System Categories Surface Water Heat Pump • Open or close loop • Open – water being returned back to source or drain • Closed – water being re-circulated in the closed loop • Stable throughout the year

  9. Water Source System Categories Ground Coupled Water Heat Pump • HE is buried into the earth • Installation cost is high • Massive & stable thermal capacity

  10. Water Loop Heat Pump System

  11. air separator expansion tank cooling tower pumps plate-and-frame heat exchanger water distribution loop boiler heat pumps Water Loop Heat Pump System

  12. cooling tower ON 32ºC [90ºF] boiler off heat pumps in cooling mode Water Loop Heat Pump System Summer Operation

  13. cooling tower OFF 16ºC [60ºF] boiler on heat pumps in heating mode Water Loop Heat Pump System Winter Operation

  14. Water Loop Heat Pump System Spring and Fall Operation cooling tower OFF boiler off heat pumps in heating mode heat pumps in cooling mode

  15. General Benefits of a Water Source System • Heat recovery offers energy savings • Individual space control • Performs both cooling and heating • Flexibility – additional of heat pump - Individual tenant metering • Small amount of floor space required • Unit failure does not affect the rest of the system

  16. Product Lineup & Features

  17. Product Lineup Package Type • Horizontal WSHP, WH-B/BR series • Vertical WSHP, WV-A/AR series Split Type • WSS & 5WSS series + Various Indoor

  18. R22 Water Source Split, WSS-A

  19. R22 Water Source Split CK 20/25/30/40/50 A CK 10/15/20 C WM10/15/20/25 G CC 10/15/20/25/30/40/50/60 C WSS – A Series

  20. Content 1. Features 2. Handset & PCB 3. Control Algorithm 4. Installation 5. Trouble Shooting

  21. 1. Features 1.1 Product Information 1.2 Wide Range of Indoor 1.3 Compact & Low Height Profile 1.4 Less Vibration Design 1.5 Common Indoor with DX unit 1.6 Centralize Control & Networking

  22. R22 Water Source Split 1.1 Product Introduction - Cooling Only - Split Type - Capacity: 1 hp to 6 hp

  23. R22 Water Source Split Product Name Btu/hr x 103 0 10 20 30 40 50 60 0 2.93 5.86 8.79 11.72 14.65 17.59 kW WSS 10/15/20/25/30/40/50/60 A

  24. 1. Features 1.2 Wide Range of Indoor Option • Wall Mounted : 1 hp to 2.5 hp • Ceiling Cassette - A : 2 hp to 5 hp • Ceiling Cassette - C : 1 hp to 2 hp • Ceiling Concealed : 1 hp to 6 hp • Ceiling Convertible – E : 2 hp to 5 hp

  25. 1. Features 1.3 Compact & Low Height Profile ~ 30% volume metric reduction

  26. 1. Features 1.4 Less Vibration Design • Double isolation Panel • Reduce noise and vibration transmission Compressor Upper Panel Grommet Lower Panel

  27. 1. Features 1.5 Common Indoor with DX unit • Indoor is same with Direct Expansion model • Minimize inventory in warehouse

  28. 1. Features 1.7 Centralize Control by Using NIMPC or Smart Manager/ HydroIntel

  29. 2. Handset & PCB 2.1 Handset WM : G11/G12 CK : G7/G8 CC : SLM3 CE : G11/G12

  30. 2. Handset & PCB 2.2 PCB WM 10/15 - G WM 20/25 - G

  31. PCB Connection Diagram (WM-G) SLM3 OR CN2 CN3 Netware2 IR Receiver LED Display Board

  32. 3. Control Algorithm 3.1 Mode Selection 3.2 Features 3.3 Operating Mode 3.4 Protection

  33. 3. Control Algorithm 3.1 MODE Selection Modes can be selected via the value of resistor RMODE. MODES AUTO COOL DRY FAN HEAT RMODE AP X X X X X 3K EC X X X 110K X : Modes Available

  34. 3.2 Features 3.2.1 Auto Random Restart • Auto random restart at the last state memory setting • Shorted at J_LST jumper at main board • Remove the jumper to have non-auto restart

  35. 3.2 Features Auto Random Restart J_LST

  36. 3.2 Features Power Up Settings Power Up J_LST Shorted J_LST Opened User Set Mode Mode = COOL User Set Temperature Set Temperature = 24˚C User Set Fan Speed Fan Speed = HIGH

  37. 3.2 Features 3.2.2 Unit ON / OFF • 3 ways to turn on / off the system: • (a) On/Off Triggering • Emergency On/Off Button • - System mode setting will rotate in the following • sequence • Heat pump …….>COOL>HEAT>OFF>….. • Cooling …….>COOL>OFF>……. • On/Off button on handsets

  38. 3.2 Features 3.2.2 Unit ON / OFF • (b) Delay timer • Pressing the On/Off will reset the timer to 0 hour • (c) Real time On/Off Timer • Based on internal real time clock • The timer settings are kept so that similar switches can occur 24 hours later. • If emergency ON/OFF switch being press, then the timer will be reset.

  39. 3.2 Features 3.2.3 Sleep Function • Only available for COOL, HEAT & AUTO mode • This function will increase (cooling mode) or decrease (Heating mode) the set temperature with time

  40. 01/212 Hours Ts + 2 Ts + 1 Ts + 1/2 Ts SLEEP set on SLEEP set off 3.2 Features 3.2.3 Sleep Function (Cool Mode)

  41. 3.2 Features 3.2.3 Sleep Function (Heat Mode) SLEEP set on SLEEP set off Ts Ts - 1 Ts - 2 Ts - 3 01/212 Hours

  42. 3.2 Features 3.2.4 Indoor Fan Control • Indoor fan speeds are LOW, MEDIUM, HIGH or AUTO FAN in COOL, HEAT and AUTO modes. • In FAN mode, only HIGH, MEDIUM and LOW speeds are allowed.

  43. 3.2 Features 3.2.5 IONIZER Control • The IONIZER can be turned ON when indoor fan is ON. • The IONIZER will OFF when indoor fan is OFF. Capacitor Ionizer

  44. 3.2 Features 3.2.6 Non Thermal Plasma (NTP) • What is NTP? - Generated by subjecting gas to an electrical field created by high alternating current. - When oxygen pass through the NTP, the molecules of oxygen break into oxygen ion – nascent oxygen.

  45. Oxygen Ion with high energy Oxygen Molecules NTP with high Voltage (AC ) 3.2 Features Non Thermal Plasma (NTP) • General Arrangement: • The generated nascent oxygen oxidize the most organic air constituents into water and carbon dioxide. - eg. O* + CO CO2

  46. 20min 30min Set Temperature TURBO Function Conventional Time 3.2 Features 3.2.7 TURBO Function • Available in COOL, HEAT and DRY modes only. • When TURBO function is set, indoor fan will force to HIGH for 20 minutes and working temperature for - Cooling Cycle is Ts – 2˚C - Heating Cycle is Ts + 2˚C • If TURBO & Sleep function activated, Sleep function timer will reset until TURBO function is clear.

  47. 3.3. Operating Mode 3.3.1 Cool Mode 3.3.2 Heat Mode 3.3.3 Auto Fan 3.3.4 AUTO Mode 3.3.5 Defrost Function 3.3.6 Dry Mode

  48. 3.3 Operating Modes 3.3.1 Cool Mode • Compressor will cut in if Tr – Ts > 0.5˚C • Compressor will cut out if Tr < Ts – 1.0˚C Note: Tr = Room Temperature Ts = Set Temperature 23C 26C 24C 22C 25C 24.5C 23C OFF ON

  49. 3.3 Operating Modes 3.3.2 Heat Mode • Compressor will cut in if Tr – Ts < 1.0˚C • Compressor will cut out if Tr –Ts > 3.5˚C Note: Tr = Room Temperature Ts = Set Temperature 3.3.2.1 Heat Pump Model 23C 27C 26C 24C 22C 25C 27.5C 23C ON OFF

  50. 3.3 Operating Modes 3.3.2 Heat Mode • The indoor fan speed modulate according to the Tin coil: - If Tin coil > 40˚C, indoor fan run at user set speed - If Tin coil < 18˚C, indoor fan stop - If Tin coil crosses 30˚C, indoor fan change to low speed Note : Tin coil = Indoor Coil Temperature 3.3.2.2 Hot Start

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