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TECHNICAL TRAINING 2008

TECHNICAL TRAINING 2008. STATIC BLOWER & ROOFTOP. Content. Introduction Features System & Control Installation Selection Process Troubleshooting. INTRODUCTION. DUCTED BLOWER. Introduction. Static Blower (SB) – Ducted Fan Coil Unit Capacity range: - Cooling: 7.5hp – 75hp

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TECHNICAL TRAINING 2008

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  1. TECHNICAL TRAINING 2008

  2. STATIC BLOWER & ROOFTOP

  3. Content • Introduction • Features • System & Control • Installation • Selection Process • Troubleshooting

  4. INTRODUCTION

  5. DUCTED BLOWER

  6. Introduction • Static Blower (SB) – Ducted Fan Coil Unit • Capacity range: - Cooling: 7.5hp – 75hp - Heatpump: 7.5hp – 60hp R407C R407C R407C R407C

  7. Coil Blower Supply Air Return Air Pulley V-Belt Motor Drain Pan Introduction • Basic Configuration

  8. Introduction • Draw-through Operation Air Air Draw-through Blow-through

  9. Introduction • SB series: - Available in R22 & R407C - Horizontal & Vertical air discharge - Belt-Driven (for SB125 and above) - Sequential Controller (for > 1 compressors model) - Phase Sequencer - Wide range (7.5 – 75hp for cooling ; 7.5 – 60hp for heatpump)

  10. Ducted Split Unit • Indoor Unit SB125 C SB125 CR SB150 B SB125/150 D SB125/150 D2 SB125/150 ER SB125/150 ER2 SB75/100 B SB75/100 D SB75/100 BR SB75/100 ER

  11. Ducted Split Unit • Indoor Unit SB200/250/300 D2 SB400/500 D4 SB200/250 B2BR2 SB300/350 B3/BR3 SB400/500 BE/BR4 SB200/250/300 ER2 SB300/350/450 ER3 SB400/500/600 ER4

  12. Introduction • MSS-F series - Horizontal air discharge - Anti corrosion fin - Outdoor motor protection – IP54 - Flexibility of service access - Safety device protection • HP & LP switch • Discharge thermostat • Phase Sequencer • Crankcase heater • Compressor internal overload protection

  13. Ducted Split Unit • Outdoor Unit MSS100/125 B MSS100/125 BR MSS75/100 C MSS75 CR MSS75/100/125 F MSS75/100/125 FR R407C R407C

  14. Ducted Split Unit • Outdoor Unit MSS150 C MSS75/100/125/150 D (4)MSS75/100/125/150 ER MSS200/250/300 D2

  15. ROOFTOP

  16. Blower Supply Air Pulley V-Belt Motor Outdoor Coil Motor Compressor Return Air Drain Pan Introduction • Basic Configuration

  17. Introduction • Rooftop A - Available in R22 or R407C - No additional refrigerant work - Horizontal side throw or vertical down throw - Sequential Controller (for > 1 compressors model) - Phase Sequencer - Capacity range:5.5hp – 42hp

  18. Rooftop A • RT-A RT55 A RT55 AR (4)RT60/80/100/120/150/200 A (4)RT60/80/100/120/150/200 AR (4)RT250/300/360/420 A (4)RT250/300/360/420 AR R407C R407C

  19. Introduction • Rooftop B - Available in R22 only - No additional refrigerant work - Belt-Driven - Sequential Controller (for > 1 compressors model) - Phase Sequencer - Higher EER - Netware III (RT60 only) - Capacity range:6hp – 18hp

  20. Rooftop B • RT-B RT60 B RT60 BR RT90 B RT90 BR RT120/150/180 B RT120/150/180 BR

  21. FEATURES

  22. Features • Standard air discharge configuration as manufactured. • SB-B series

  23. Features • SB-D series • SB-E series

  24. Features • RT-A series • RT250/300 A(R) – FXAD : Vertical down throw • RT-B series

  25. Test Run Operating Mode ON / OFF Temperature set ON / OFF Timer Sleep Heater Temperature set Save Fan Hold Timer set SLM 3 SQ Controller Features • Come with SLM 3 for single compressor model • Come with Sequential Controller for > 1 compressors model Operating Mode

  26. Operating Mode Fan ON / OFF Sleep Temperature set Swing Timer set Timer Active Netware III Features

  27. Features • SB-B series • SB750 B does not come with controller

  28. Features • SB-D series • SB-E series

  29. Features • RT-A series • RT-B series

  30. SYSTEM & CONTROL

  31. System & Control • L2 Board - Single compressor, 3 fan speed • U1SB125 Board - Single compressor, single fan speed • SQ board - Multi compressors, single fan speed

  32. L2 / U1SB125

  33. To indoor sensor To outdoor sensor To room sensor Connect to wired handset L2 / U1SB125 Main Board • L2 L2 Board

  34. Mode of Selection • Mode can be selected via the value of resistor RMODE MODES AUTO COOL DRY HEAT FANRMODE () AP X X X X X 3K AT X X X X X22K EC X X X 110K X : Modes available

  35. Features • Compressor 9 minutes force ON • Memory backup: Auto Random Restart • Cold Start / Hot Start / Hot Keep • Sleep function • Self – Diagnostic • Protections

  36. Auto Random Restart • Auto random restart with last state memory • Shorted at JLST jumper at main board

  37. Power Up JLST Shorted JLST Opened User Set Mode Unit = OFF User Set Temperature Mode = COOL User Set Fan Speed Set Temperature = 24°C Fan Speed = High Power Up Settings

  38. SLEEP set on SLEEP set off Troom°C ½ 1 2 t (hr) Ts Ts-1 Ts-2 Ts-3 Sleep Function Troom°C COOL Ts+2 Ts+1 Ts+½ Ts t (hr) 1 ½ 2 SLEEP set off SLEEP set on HEAT

  39. Self – Diagnostics

  40. Hot Start / Hot Keep • Hot Start - ID fan depends on ID coil temperature User set speed – ID coil temperature > 40 °C ID Fan Stop – ID coil temperature =< 18 °C • Hot Keep - ID fan depends on ID coil temperature - 4 options

  41. Hot Start / Hot Keep 1. Fan Always ON option User set speed – ID coil temperature > 40 °C ID Fan Low – ID coil temperature < 37 °C 2. Fan ON option at the start of Heat mode User set speed – ID coil temperature > 40 °C ID Fan Stop – ID coil temperature < 30 °C For thermostat cut off User set speed – ID coil temperature > 40 °C ID Fan Stop – ID coil temperature < 18 °C

  42. Hot Start / Hot Keep 3. Fan OFF option User set speed – ID coil temperature > 40 °C ID Fan Stop – ID coil temperature < 30 °C 4. Fan Low cycle ON & OFF option ID Fan cut in 30 seconds and subsequently cut off for 120 seconds

  43. Protections • Compressor - 3 minutes Minimum OFF Time - 150 seconds Minimum RUN Time - Overload Protection COOL, AUTO COOL and DRY Comp & OD Fan ON OFF OD coil temp 68 o C HEAT, AUTO HEAT Comp, OD Fan & 4WV ON OFF ID coil temp 68 o C

  44. Protections - Hardware Switch Detection A counter is increased by 1 during the first cycle of thermostat The counter will be reset after 3 minutes Declare E4 if counter > 5 • OD Fan speed control - Cooling OD Fan will run whenever the compressor is cut-in - Heating OD Fan ON 50 o C OFF ID coil temp 55 o C

  45. Protections • ID Coil Anti Freeze - Cooling mode only - ID temperature = 1 °C for at least 1 minute - Compressor has been running for 10 minutes ON Comp & OD Fan OFF 1 oC Comp & OD Fan ON OFF 10 oC

  46. SQ2.0

  47. SQ C 2 SQ H 2 2 No. of Heater No. of Comp No. of Comp Cooling Heatpump Sequential Control Sequential Control Type of Models • Cooling: SQC2, SQC3, SQC4 • Heatpump: SQH22, SQH32, • Heater: SQHT22, SQHT32, SQHT42 • RT360/420AR:SQSIM01

  48. Mode of Selection

  49. SQ Main Board Dip Switch To outdoor sensor - Located in the indoor - Signal to compressors, ID/OD fan, valve & auxiliary heater with timer & protection - Compressor relay cut off - H/L trip - Manual reset button To high pressure switch ON / OFF Dry Contact Connect to Wired Handset

  50. Features • Sequence Control • Balance loading up to 4 compressors • 7 days programmable timer • Auto Mode • Cold Blast / Spurt Heat / Hot Start / Hot Keep • Self – Diagnostic • Energy Saving • Protection

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