Two Pump Solar Work Station

Suitable for:

Suitable for Separated  pressurzied solar heating system, which set the flow control, heat cycle, the exhaust, pressure control, temperature display, the transfer liquid injection / discharge ,etc,Such multi-functional in one compact package of components, it have the features of easy-to-use and installation, its material and operating characteristics to take into account long time of collector in high temperature and other characteristics of the system.
Functions  operation  and  parameters  setup  (user  grade)
1  THET  Timing  heating 37
2  CIRC  DHW  circuilation  function  activated  /deactivated
3  tCYC  Tempeature  or  time  setting  for  DHW  pump  in  three  time  sections

Functions  operation  and  parameter  setup  (engineer  grade)
1.  DT  Temperature  difference  for  solar  circuit  pump
2.  EMOF  Maximum  switch-off  temperature  of  collector  (for  collector  emergency  close  function)
3.  CMX  Maximum  limited  temperature  of  collector  (collector  cooling  function)
4.  CMN  Low  temperature  protection  of  collector
5.  CFR  frost  protection  temperature  of  collector
6.  REC  Recooling  temperature  of  tank
7.  SMX1  Maximum  temperature  of  tank  1
8.  SMX2  Maximum  temperature  of  tank  1
9.  MAX1  Maximum  switch-off  temperature  for  heat  transfer  between  tank  and  heat  return
10.  MIN1  Minmium  switch-on  temperature  for  heat  transfer  between  tank  and  heat  return
11.  MAX2  Maximum  switch-off  temperature    for  heat  transfer  between  heat  exchanger  and  tank
12.  MIN2  Minmium  switch-on  temperature    for  heat  transfer  between  heat  exchanger  and  tank
13.  C_F  Switch  between  Celsius  and  Fahrenheit

FUN  Auxiliary  functions
1.  DVWG  Anti  legionnaires'  function
2  SFB  Switch-on/off  of  the  solid  fuel  boiler
3.  SFON  Minimum  switch-on  temperature  of  tank
4.  SFOF  Maximum  switch-off  temperature  of  tank
5.  MAX3  Maximum  switch-off  temperature  of  solid  fuel  boiler
6.  MIN3  Minimum  switch-on  temperature  of  solid  fuel  boiler
7.  PUMP1  P1  pump  operation  mode  selection
8.  PUMP2  P2  pump  operation  mode  selection
9.  OHQM  Thermal  energy  measuring
10.  FTYPE  Flow  meter  type  selection
11.  FMAX  Flow  rate
12.  MEDT  Type  of  heat  transfer  liquid
13.  MED%  Concentration  of  heat  transfer  liquid
14  Tank  priority
15.  pump  Intermission  function
16.COOL  Tank  cooling  function
17.AHO  Automatical  thermostat  function
18.BYPR  Bypass  function  (high  temperature)
19.HND  Manual  control
20.PASS  Password  set
21.REST  Recovery  to  factory  set
22."ON/OFF"Controller  switch  on/off  button
23.Holiday  function
24.Manual  heating
25.Temperature  checking  function
26.Protection  function
27.Memory  protection
28.Screen  protection
29.Pump  P1/P2  dry  running  protection
30.Trouble  shooting
31.Trouble  protection
32.Trouble  checking 

Suitable both Flat roof and Pitched roof

OUR SERVICE
 1, Fast delivery, 40 feet container quantity will deliver in 7 days. 
 2, Experienced sales team assistant you, fast confirmation for every related questions from you. 
 3, Rich experiences for differenct Market (countries), kinds of customized design will be welcomed. 
 4, Assistant you load other goods with solar water heater in one container. 
 5, Installation guide and train 
 6, LOGO print and water tank and cartons.
FAQ
1. Is solar water heating a viable alternative to gas or electricity?
Solar should not be seen as a alternative to gas or electricity, but rather a supplement. Solar cannot totally replace the need for gas or electric heating as there are sometimes days when there is little sunlight. When averaged over a year, a correctly sized solar system can provide 60%-70% of a household's hot water needs. Providing more than this is unadvisable, as too much heat will be produced in the summer. The hot water system system can easily be automated so hot water is guaranteed regardless of sunlight levels.
2. How long will it take to recoup my investment? 
QIRUI solar collectors are much more affordable than many other solar hot water heaters. For a household of 4, the price of a full system may not be too much more than a new electric or gas system. Depending on you location (solar levels) and current hot water usage the annual electricity or gas saving will differ. However in a normal household that spends 25% of its electricity bill on hot water heating, the full cost of the purchase may be recouped as quickly as 4-5 years in reduced bills. You will definitely make considerable savings during the life of the solar hot water heater.

3. Can QIRUI solar collectors be used in cold conditions?
Yes. QIRUI collectors can be used in temperatures as low as -30oC, although performance is greatly reduced in such extreme conditions. Good heat output is still achieved in mild sub-zero conditions.

4. What happens if one of the tubes is broken?
Firstly, tubes are very strong and not easily broken, but if the worst should happen, solar tubes can be replaced very easily. They are inexpensive and available though your local QIRUI distributor. The HAINING QIRUI solar collectors can operate with several broken tubes, but the efficiency will be reduced, so it is recommended that broken tubes be replaced immediately.

5. Will water be heated on a cloudy day?
Yes. Although the heat output of the solar collector is reduced on overcast days it will still be able to provide heating. If it is a heavily clouded day or raining, then more gas or electric boosting may be required to maintain water at the required temperature. This system will be automated so you don't have to worry about running out of hot water on a rainy day.
6. Can I use a solar collector with my existing hot water system? 
Normally yes. Simple retrofit valves can often be used to allow solar to connect to your existing cold water inlet. If your tank cannot accept the solar input directly an additional storage tank can be installed to pre-heat the cold water prior to entering the existing tank.

7. Are the solar collectors noticeable on the roof?
If only the collector is mounted on the roof it should blend into the roof design quite well. HAINING QIRUI solar collectors are very thin and can be flush mounted on a roof. From a distance they look somewhat like a skylight. You may have to check with your local council regarding building restrictions when installing your solar collector. Click here to view installation photos. 

8. Can QIRUI solar collectors be mounted on a flat surface?
Yes they may be mounted on a flat roof, or on the ground by using a stainless steel Flat Roof Frame. The collector should be installed at a minimum of 20o angle to ensure optimal heat pipe operation.

9. How do I protect my solar system during subzero temperatures?
If you have a system that is operating in areas with subzero temperatures then freeze protection must be implemented. The easiest means of preventing freezing is to use a controller with a low temperatures setting, so when the manifold temperature drops below a certain pre-set temperature (5oC/40oF), the pump will circulate, warming the collector with water from the bottom of the storage tank. The pump will not run continually, just periodically, the frequency of which will depend on the outside temperature. In extremely cold areas, a closed loop using a glycol/water mix may be appropriate.
10. Will the QIRUI solar collector be a fire hazard during hot, dry weather? 
No. The QIRUI solar collector's components are all high temperature rated and non-flammable so even during strong sunlight with the circulation pump turned off (stagnation), the system will not catch alight or give off any sparks. The majority of the solar collector's components are stainless steel, aluminium, glass or glass wool. The manifold outlet should be fitted with a temperature relief valve, which will prevent the manifold temperature from exceeding 99oC / 212oF.