Chiltrix AC series Heating & Cooling series CX30 Скачать руководство пользователя страница 26 | Manualshive

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Chiltrix Inc.

www.Chiltrix.com

26

G3 Valve: Seasonal Switch Valve or Solar Preheat Valve

The G3 port can be used to control a seasonal switch valve. The seasonal switch valve is used to isolate the
floor coils from the fan coils when switching over from heating to cooling. The seasonal switch valve is
controlled by parameter 14. When parameter 14 is 0, the valve is configured as a seasonal Switch.

When parameter 14 is 1, the valve is configured as a solar pre-heat valve. The CX30 compares the solar
tank temp and AC returned temp. When the solar tank temp – AC returned temp is ≥ 5

℃

, the 3-way valve

G3 will be on; when solar water tank temperature minus the air conditioning returned temperature is less
than 2°C, G3 will be off.

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Содержание AC series Heating & Cooling series CX30

Страница 1: ...Chiltrix Inc www Chiltrix com 1 DC INVERTER AIR TO WATER HEAT PUMP AC series Heating Cooling series CX30 Installation and Operation Manual Version 1 7 ...

Страница 2: ...tor 16 Valves G1 G2 G3 22 Master Slave Wiring 28 2nd AC Switch Funtion 29 Second Heat Source or Assistant Electric Heater 30 System Filling 31 Air Purging 32 Wired Control Panel 33 Initial Temperature Settings 36 Parameter Checking and Setting 38 Parameter Checking Only 41 Controller Communications 43 Fuction Selection switch 43 Error Codes 44 Commissioning and Initial Test Run 49 ...

Страница 3: ...all not be installed at a spot with the potential hazard of leaking flammable gas If gas is leaking near the machine there might be the risk of explosion Make sure that the foundation of the unit is stable If the foundation is unstable the outdoor unit may come loose from its base and cause injury Make sure that the GFCI installed at the service panel is working properly to avoid shock or fires If...

Страница 4: ...Chiltrix Inc www Chiltrix com 4 Components ...

Страница 5: ...p and controlled by the CX30 The second water pump connections can be found in the wiring diagram starting on page 19 2 The loop example above is designed with wild coils Water flows through the coil at all times if there is a call for heating or cooling the FCU controls will turn the fan on Optionally a 2 way valve may be installed at the input tee to prevent any flow through the coil and the FCU...

Страница 6: ... Inc www Chiltrix com 6 Piping Examples Stacked Chillers With a Buffer Tank and Second Non PWM Pump A buffer tank should be used when the loop volume is less than 10 gallons to keep the compressor from cycling ...

Страница 7: ...temperature change It means after the compressor stops the buffer tank can keep the returned water temperature change difference within heat pump hysteresis of 4c 12 is 5 minutes 60 12 minutes It means after the compressor stops the buffer tank can keep the returned water temp change difference within heat pump hysteresis 4c for 5 minutes This allows the compressor to stop for 5 minutes and save e...

Страница 8: ...Drops Add up the equivalent length of pipe for the fittings 13 8 11 7 25 5 Then add this to the actual pipe 25 5 115 140 5 of 1 pipe Once you know the total length of pipe use a 1 PEX 10 Glycol feet of head per 100 feet of tubing chart to get the head for 1 of pipe at 40 F and 4 76 GPM This comes to 0500 feet of head per foot 140 5 x 0500 7 02 ft of head Add up all head calculations 7 02 2 3 8 35 ...

Страница 9: ...tank com calculator Minimum loop pressure is 14 5 psi maximum pressure is 43 5 psi and ideal pressure is 29 psi The Lowest temperature is 44 F the highest temperature is 131 F the Initial pressure is 14 5 psi and the final pressure is 29 psi An air scoop should be installed above the expansion tank to remove any air in the circulation loop Always install a water filter or wye strainer on the suppl...

Страница 10: ...Chiltrix Inc www Chiltrix com 10 Freeze protection ...

Страница 11: ...pagation of a crack Environmental stress cracking generally presents itself as a crack with glossy fracture surfaces that occur in regions of high mechanical stresses ESC is dependent on both the presence of the chemical and a significant level of mechanical stress Therefore it may occur in some installations or certain parts of a system while the system performs well in other areas Many problems ...

Страница 12: ...ILO Pump PWM pcb LED Error Codes 3 digit display Normally the 3 digit display shows the pump speed percentage in addition to temperatures and sensor errors E1 is a Th1 sensor error it is open or shorted E2 is a Th2 sensor error it is open or shorted ...

Страница 13: ...x Inc www Chiltrix com 13 Pipe Insulation All loop piping must be insulated per local and national mechanical codes For design tips and a thickness calculator please visit http www armacell us knowledge center ...

Страница 14: ...m the windows of neighboring buildings Adequate service clearance should be kept around the unit 5 The unit should not be installed in places accompanied with oil inflammable gases corrosive components e g sulfur compound or high frequency equipment 6 The unit must be installed upon a reliable machine base or framework Weight capacity of framework should be 3 times of the outdoor unit s body weigh...

Страница 15: ...Chiltrix Inc www Chiltrix com 15 Clearances unit mm 200mm 8 350mm 14 400 16 500 20 1000 40 ...

Страница 16: ...ician Wires spare parts and materials etc must satisfy the relevant standards issued by the host country or region The heat pump does not include an AC disconnect or switch on the incoming electrical supply The power supply cable must be connected to a circuit breaker with at least a 3 mm breaking gap Incoming supply must comply with the technical requirements with a frame ground wire neutral is n...

Страница 17: ...Chiltrix Inc www Chiltrix com 17 Electric Connections and Component Locator Using Internal PWM Pump System layout with external flow switch ...

Страница 18: ...5 7 5 PWM pump does not have the required pressure at the targeted flow rate a second Wilo RS 25 7 5 may be added to increase the total pump pressure This will double the head pressure at the targeted flow rate Wiring details are on the following pages Contact us for more information on booster pumps ...

Страница 19: ...Chiltrix Inc www Chiltrix com 19 Second PWM Pump Wiring Use proper splicing connectors to connect the second PWM pump in parallel to the internal PWM pump ...

Страница 20: ...ltrix com 20 When adding a second PWM pump Wilo RS25 7 5 all wiring is done in parallel Up to 4 PWM pumps can be wired to the PWM controller They can be spliced into the wiring harness inside the refrigeration compartment ...

Страница 21: ...econd NON PWM water pump When using a second NON PWM water pump use terminals C6 and L2 for relay coil power only Do not connect a pump directly to C6 and L2 always use a relay with a 240 vac coil This pump will only run when the PWM pump is running ...

Страница 22: ... target temperature is 122 F refer to page 37 to set the DHW temp and the differential is 2 c it means when the DHW tank reaches 122 F the compressor will stop When the DHW tank temperature is lower than 119 F the compressor will start Parameter 11 is to avoid high pressure protection P1 errors during DHW heating Some older tanks use a short coil inside the tank if the heat pump is connected to th...

Страница 23: ...c www Chiltrix com 23 G1 Valve DHW and AC Heating with two chillers in Parallel Please remember to set dipswitch 1 6 to the off position for DHW page 44 The power must be cycled after changing the switch settings ...

Страница 24: ...Chiltrix Inc www Chiltrix com 24 G1 Valve Wiring and Parameters ...

Страница 25: ... of 5 C differential 2 C P29 must be changed to 3 C and P31 must remain 5 C The unit will operate as follows When outdoor temperatures drop below 38F the CX30SE glycol water loop is automatically extended through the water to air heat exchanger to harvest outdoor cold ambient conditions to pre cool the glycol water loop so that the CX30 variable speed compressor can drop to a very slow speed and c...

Страница 26: ...g to cooling The seasonal switch valve is controlled by parameter 14 When parameter 14 is 0 the valve is configured as a seasonal Switch When parameter 14 is 1 the valve is configured as a solar pre heat valve The CX30 compares the solar tank temp and AC returned temp When the solar tank temp AC returned temp is 5 the 3 way valve G3 will be on when solar water tank temperature minus the air condit...

Страница 27: ...Chiltrix Inc www Chiltrix com 27 G3 VALVE Seasonal Switch Valve Solar Preheat Valve ...

Страница 28: ...rt of the master unit is connected to the AC 2nd switch port of the slave unit through a customer supplied relay This port is activated when the master unit cannot reach the target temperature within 15 minutes The slave unit must be turned on and heating mode must be selected There is no limit to the number of slaves that can be used ...

Страница 29: ...When the 2nd switch is off the heat pump AC mode will enter standby mode no matter whether the AC water temp reaches its target or not When 2nd switch is on the heat pump will run according to set temp Connection The manual switch or user s thermostat is to connected to Water Control PCB IN7 as shown in the wiring diagram below When the 2nd switch is off the lock icon will appear on the wired cont...

Страница 30: ...with E2 If E2 is 2nd heat source control port it is controlled by parameter 28 When air temp is lower than parameter 28 default 15c E2 will be energized and the compressor will stop Only the 2nd heat source is working with E2 You can connect the electric boiler on off signal to E2 E2 only provides an on off signal You can connect your own controls it s max current is 1 amp You must add a relay to ...

Страница 31: ...Connect the second hose to the pump discharge and the other end to valve C that is closest to the fan coils Using a third hose connect it to valve B closest to the chiller and leave the open end in the glycol bucket Close the middle ball valve A The pump should be pumping away from the CX30 chiller Run the pump until there are no more air bubbles coming out of the loop After all air is expelled fr...

Страница 32: ...before starting the chiller The CX30 chiller also has a bleeder valve with a clear tube attached to it located near the brazed plate heat exchanger Proper and even flow through each fan coil is critical for both heating and cooling This can be done with balance valves or ball valves installed at each fan coil supply or return pipe Set each fan coil to the same temperature and fan speed Using an ac...

Страница 33: ...on meaning 1 Green Power on Orange Compressor on Red System Error 9 Returned AC Temp 17 DHW 2 On Off 10 Maintain icon 18 Water ground source display 3 Clock Button 11 Lock icon 19 Parameter icon 4 Down Button 12 Temperature icon Reserved 20 Ambient Temp 5 Up Button 13 Parameter number icon 21 Timer on icon 6 Fan Button 14 AC Cooling icon 22 Timer off icon 7 Mode Button 15 N A 23 Clock Icon 8 Clock...

Страница 34: ... Key confirm confirms previous operations 7 Key mode operational mode s switch it s also a combined key 2 Icon Meaning UNIT OPERATION 1 Turning the unit on and off To start the unit press and hold the On Off key for one second To stop the unit press and hold the On Off key for one second 2 Mode Switch 2 modes Cooling or heating Under mode standby or on press the M key repeatedly to cycle through t...

Страница 35: ...ix com 35 Displays for the different modes 1 Air source heat pumps icons 3 Powered off display If it has a timer on off setting there is a timer icon to indicate it Timer display DHW display AC heating display cooling display ...

Страница 36: ...etting Detailed settings as follows N0 Meaning Selected temperature range Recommended controller temperature setting Operation for modifying settings 1 AC cooling returned water temp 10 C 25 C 12 17 C 2 AC heating returned water temp 10 C 55 C 35 40 C 3 DHW temp 10 C 50 C 50 C UNIT OPERATION Time adjustment Press the key time hour value will flash then press or the value will increase or decrease ...

Страница 37: ... key to confirm This setting is only valid for one time If you want to cycle the time please press the after setting the time then press the key to confirm B Timing off method is the same method as timing on C Press the for 3 seconds to enter timing mode press to cancel the time setting ...

Страница 38: ... Set 07 Max defrost duration time 15 99 mins 15 Check Set 08 defrost interval time between 2 defrosts 15 99 mins 35 Check Set 09 air temp to start DHW electrical heater 20 20 0 Check Set 10 air temp to start AC electrical heater 20 20 0 Check Set 11 DHW compressor frequency limit 2 10 20hz 100hz 10 Check Set 12 Compressor discharge air protection temp A0 C7 100 127 B0 Check Set 13 Defrost interval...

Страница 39: ...his parameter 3 15 If the air temp is lower than P29 P31 start full free cooling 5 Check Set 32 Lowest starting water flow volume Variable speed pump only 6 60L min 6 Check Set 33 Working Mode 1 4 0 cooling 1 Heating 2 DHW 3 Cooling DHW 4 Heating DHW UNIT OPERATION Machine operational status Checking Only Press both M and for 3 seconds to enter machine status mode see table below C0 is the paramet...

Страница 40: ... the copper pipe temp is below that it runs until it reaches parameter 06 or times out on parameter 07 It won t check again until the time set in parameter 08 is reached or parameter 08 multiplied by parameter 13s time has elapsed Use of Parameter 26 AC water pump working mode If you re not using an AC buffer tank Parameter 26 must be set to 0 the AC water pump will work continuously to keep the A...

Страница 41: ...ut status 0 G1 valid 1 G1 invalid check C10 High pressure switch status 0 ON 1 OFF check C11 Mid pressure switch status 0 ON 1 OFF check C12 Low pressure switch status 0 ON 1 OFF check C13 Inside water flow switch 0 ON 1 OFF check C14 Outside water flow switch 0 ON 1 OFF check C15 Over current protection switch 0 ON 1 OFF check C16 Defrost 1 ON 0 NO check C17 AC antifreeze 1 ON 0 NO check C18 Syst...

Страница 42: ...check C33 Cooling target temp check C34 Heating target temp check C35 Reserved C36 Reserved C37 Outdoor unit module temp 0 97 check C38 Outdoor unit returned air temp 0 97 check C39 Internal pipe temp 0 97 check C40 Expansion valve open degree 0 97 C41 Water source inlet temp AIN4 0 97 C42 Water source outlet temp AIN5 0 97 C43 Solar water tank temp IN4 0 97 C44 Inner pipe temp IN8 0 97 C45 Actual...

Страница 43: ...using 24 AWG wire or larger Function Selection Switch SW1 This switch is on the Water System PCB Unit must be power cycled if switch settings are changed Switch Description Default SW1 8 OFF cooling valid OFF SW1 7 OFF heating valid OFF SW1 6 OFF DHW valid ON DHW invalid ON SW1 5 OFF G2 invalid ON G2 valid ON SW1 4 OFF inverter outdoor model OFF SW1 3 Reserved ON SW1 2 OFF C5 is used for solar hea...

Страница 44: ...small or is blocked E2 Outdoor air temp sensor fault Flash s 3 times Sensor open circuit or short circuit 1 Reconnect the sensor 2 Measure the sensor resistance at different temperatures if it is out of range change the sensor E3 Pipe temp or returned air temp sensor fault Flash s 6 times Sensor open circuit or short circuit 1 Reconnect the sensor 2 Measure the sensor resistance at different tempe...

Страница 45: ...ck if the fan is blowing 3 Check if the coil temp sensor has an error E9 AC antifreeze twice No flash Inlet or Outlet water temp is lower than 39 2 F AC antifreeze 2 times within 90 minutes Check inlet and outlet water temp sensors they may be loose EA DHW antifreeze twice No flash DHW tank water temp is lower than 41 F antifreeze 2 times within 60 minutes Check DHW tank temp sensor is mounted at ...

Страница 46: ...res Reconnect or change the sensor F6 IPM or module control board fault Flash s 14 times 1 Communication wire between IPM module and outdoor PCB 2 IPM Module is burned or IPM has no power from the AC contactor 3 Outdoor PCB Communication port error 4 Check if the IPM module PFC connection wire with outdoor PCB is not loose 5 Check if there is any burn marks on IPM 6 Check the AC connection at the ...

Страница 47: ...ter flow volume is too low water pump is too small or faulty 4 Throttling device expansion valve problem 5 There is air inside the refrigerant system or refrigerant volume is too high 1 If the error displays before the compressor starts it means high pressure switch error Please reconnect high pressure switch or change the switch If the error displays when water temp is about 104 F please check if...

Страница 48: ...nt leakage P5 outdoor unit water flow fault No flash 1 Low water flow 2 Water flow switch fault 1 Clean the water filter check water pump flow 2 Check and reconnect water flow switch P6 outdoor unit water source side water flow fault Flash s 17 times 1 Water source side water flow too small 2 Water flow switch fault 1 Clean the water filter check water pump flow Test the water flow switch P7 phase...

Страница 49: ... near the inlet and outlet ports The CX30 has a bleeder tube attached to the Brazed plate heat exchanger To avoid freezing the heat pump when the air temperature drops below 32F in winter you must use an appropriate glycol and water mixture just in case the electricity is cut off We recommend biodegradable non toxic SPP Corn Glycol any Propylene Glycol PG can be used Running a Test Apply power to ...

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