BWS Sales & Services Sdn Bhd
163-G, Jalan PUJ 3/3,
Taman Puncak Jalil,
Bandar Puteri Permai,
43300 Seri Kembangan,
Selangor, Malaysia.
+6012-3321190 Mr Wong (Residential Inquiry)
+6012-6043731 Loy (Project & Commercial Inquiry)
+603-9543 7431
BWS Sales & Services Sdn Bhd (Melaka)
65A, Jalan Ong Kim Wee,
75300 Bandar Melaka,
Malaysia.
+606-2811593
+6012-3321190 Mr Wong
(Residential Inquiry)
+6012-6043731 Loy
(Project & Commercial Inquiry)
+606-2826298
info@bwsplumbing.com.my

Solar Water Heater's User Guide & Troubleshooting Guide

SYMPTOM :
Not enough hot water / Poor performance (For first time installation troubleshoot only)

Component Possible Cause Remedy / Check
a. Collector panel
  1. Partially shaded
  2. Improper Orientation
  3. Improper tilt
  4. Improperly plumbed
  5. Dirty glazing
  6. Leakage
  1. Reduce shading or relocate collector panels
  2. Check direction; South is the best direction. North is not suggested.
  3. Check tilt; set equal to latitude ±15°
  4. Check connection from collector to storage. Joint at storage tank must not be at same level or lower than collector.
  5. Clean collector panel’s surface.
  6. Replace the collector panel
b. Piping
  1. Nighttime thermosiphoning (circulation pump only)
  2. Leakage
  1. Check for pump running at night time. Contact installers.
  2. Tighten leaking spot
c. Storage tank
  1. Insufficient size / over usage
  2. High storage losses
  3. Leakage
  1. Check mixer tap. Possibility of consuming hot water without realising.
  2. Check tank insulation
  3. Replace the storage tank

SYMPTOM :
No hot water in the morning

Component Possible Cause Remedy / Check
a. Storage tank
  1. High storage losses
  2. Leakage
  1. Check tank insulation
  2. Replace the tank
b. Collector panel
  1. Leakage
  1. Replace collector panel
c. PT valve
  1. Leakage
  1. Check heater switch. Full-time running back-up heater will cause PT valve to jammed

SYMPTOM :
Leakage

Component Possible Cause Remedy / Check
a. PT valve
  1. Overheating
  1. Check heater switch. Full-time running back-up heater will cause PT valve to jammed.
  2. Check pump pressure
b. Storage tank
  1. Manufacturing defect
  1. Replace the tank
c. Collector panel
  1. Manufacturing defect
  1. Replace collector panel

SYMPTOM :
Booster trip

Component Possible Cause Remedy / Check
Element / Thermostat
  1. Defect
  2. Lightning struck
  1. Replace element / thermostat
  2. Replace element and install lightning arrestor

SYMPTOM :
No hot water supply

Component Possible Cause Remedy / Check
a. Pressure pump
  1. Pump not working
  1. Check pressure pump
b. Piping
  1. Inlet valve closed
  2. Water Inlet to storage not connected
  3. No incoming water supply from main
  1. Open water inlet valve
  2. Connect water inlet
  3. Check main water supply


SYMPTOM :
Booster not working

Component Possible Cause Remedy / Check
Heater switch
  1. Wiring not connected
  1. Check for wiring connection

SYMPTOM :
Noisy system

Component Possible Cause Remedy / Check
a. Check valve
  1. Faulty check valve
  1. Replace check valve
b. Air locked
  1. Shortage of water supply happened
  1. Air bleeding. Open the water tap and wait until the air fully bleeded. Approximately 15 to 20 mins
c. Piping system
  1. Hammering
  1. Poor plumbing system. Check piping’s mounting.


You have 0 items in you cart. Would you like to checkout now?
0 items
Switch to Mobile Version
available in
Subscribe Newsletter