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Chiltrix Inc.

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Table of Contents

Safety Precautions………………………………………………………………………………………… Page 3

CX34 Components………………………………………………………………………………………… Page 4

Hydronic Piping and Design…………………………………………………………………………… Page 5

Buffer Tanks…………………………………………………………………………………………………… Page 8

Head/Pressure Drop Calculations…………………………………………………………………… Page 9

Using Glycol……………………………………………………………………………………………………. Page 12

Heat Pump Installation………………………………………………………………………………….. Page 13

Valves G1, G2, G3…………………………………………………………………………………………… Page 21

Second Heat Source…………………………………………………………………………………….... Page 26

External T-Stat Control……………………………….………………………………………............ Page 27

System Filling/Purging.………………………………………………………………………………….. Page 29

Using The Controller/Operation.…………………………………………………………………… Page 31

Settings Menu ………………….…………………………………………………………………………….Page 33

Administrator Functions and-Parameters……………………………….……………………... Page 39

Mode Switching ………………………………………….……………………………………….……….. Page 40

C-Parameters, P-Parameters and Error code Lists .……………………………...………… Page 42

Dynamic Outdoor Reset Control ……………………………………………………………………. Page 48

Auto Switch-Over ……..…………………………………………………………………………………… Page 50

Commissioning …………………………………………………………………………………………….. Page 51

Footprint/Placement Dimensions --------------------------------------------------------- Page 52

Wilo Pump Flow Curve ………………………………………………………………………………… Page 54

Содержание CX34-4

Страница 1: ...certain units shipped after 6 15 2022 If unsure contact Chiltrix technical support dept with the serial number Installation and Operation Manual CX34 4 Options for Heating Cooling and Domestic Hot Water CX34 4 G or H Version 2 0 PLEASE REVIEW ENTIRE MANUAL BEFORE PROCEEDING PLEASE SUBMIT SYSTEM DRAWING SCHEDULE A COMMISSIONING CALL BEFORE STARTING THE UNIT 1 ...

Страница 2: ...s G1 G2 G3 Page 21 Second Heat Source Page 26 External T Stat Control Page 27 System Filling Purging Page 29 Using The Controller Operation Page 31 Settings Menu Page 33 Administrator Functions and Parameters Page 39 Mode Switching Page 40 C Parameters P Parameters and Error code Lists Page 42 Dynamic Outdoor Reset Control Page 48 Auto Switch Over Page 50 Commissioning Page 51 Footprint Placement ...

Страница 3: ...fessional service department if problems arise The unit shall 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 se...

Страница 4: ...Chiltrix Inc www chiltrix com CX34 Components 4 ...

Страница 5: ... following pages maximum water flow for the CX34 is 6 7 5 gpm design flow is 5 2 gpm If necessary a second Chiltrix provided PWM pump may be added to the loop and controlled by the CX34 The second water pump connections are always in series with the internal pump The loop example above is designed with wild coils loads Water flows through the fan coils at all times if there is a call for heating o...

Страница 6: ...lel Requires additional loop pump supplied by installer PLEASE SEND YOUR PROPOSED FINAL DESIGN TO CHILTRIX SUPPORT DEPARTMENT FOR APPROVAL COMMENTS AND SUGGESTIONS 6 Preferred Method For 2 or 3 Units See Design Guide Here https www chiltrix com documents chiller options pdf PLEASE ALWAYS SUBMIT YOUR DESIGN TO CHILTRIX FOR APROVAL ...

Страница 7: ...cooling must also be sealed vapor tight to prevent condensate issues For design tips and a thickness calculator please visit http www armacell us knowledge center 7 See Design Guide Here https www chiltrix com documents chiller options pdf PLEASE ALWAYS SUBMIT YOUR DESIGN TO CHILTRIX FOR APROVAL Note The above design should not be used for more than 2x fan coil units If more than two consider usin...

Страница 8: ... or backup heat options See details in the Chiltrix Tank Manual The radiant loop pump in the buffer tank drawing is controlled by the customer s manifolds floor loop controls valves load side pump etc The buffer tank isolates the pumps from each other providing hydraulic separation and thermal buffering A 15 20 gallon buffer tank is used generally for best performance with a single CX34 30 45 gall...

Страница 9: ... to avoid as many elbows as possible All fittings have an equivalent length of pipe already calculated available on the next page under PEX Fittings Pressure Drops All measurements in feet 6 Tees 2 3ft Of pipe 13 8 ft of pipe 7 Couplings 1 3 ft of pipe 11 7 ft of Pipe 120 of actual Pex Pipe 145 5 of Pex 4 76 GPM and 10 Propylene Glycol 145 5 x 05 7 02 ft of Head per chart CXI 85 Fan Coils 9 2 ft o...

Страница 10: ... 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 A microbubble air separator should be installed in the loop preferably in the higher part of the loop to remove any air in the circulation loop Always install a water filter or wye strainer on the supply pipe to...

Страница 11: ... GRUNDFOS UPM GEO25 85 230V PWM This is the Grundfos pump head curve for Chiltrix CX34 and is shipped with 2021 and newer CX34 units Note the CX34 itself has 4 5 Ft Head For head curve info on the previous Wilo pump please see page 54 ...

Страница 12: ...ctors are adjusted as follows based on 2 3 tons capacity Example Based on load calculations a given system needs to deliver a maximum of 31 000 BTU with 30 glycol BTU 31 000 480 6 45 GPM BTU water factor required flow rate Use the required flow rate to calculate head based on the Head Flow Curve on the following page Minimum pump operating speed can be set at P69 minimum speed setting used should ...

Страница 13: ...ater or ice Make sure condensate has a way to rapidly and completely drain away from the unit To install the unit on a balcony or on top of a building the installation site must meet the allowable load bearing capacity of the building structure without affecting the structural safety Ensure the unit is well ventilated the direction of air exhaust should be kept away from the windows of neighboring...

Страница 14: ... Top Front and Right Side Covers DO NOT BEND OR STRESS THE PIPING this may cause a broken joint or leak where it joins the heat exchanger Cut the insulation and peel it back out of the way of the flange nuts This will allow installation of the pump without bending either of the pipes The pump will slide in between the pipes with the washers Peel back the insulation Removing the shipping spacer Ver...

Страница 15: ...ond Wilo RS 25 7 5 may be added to increase the total pump pressure and flow This will double the head pressure capability at the targeted flow rate When adding a booster pump wire both power and control wires in parallel with the internal Wilo pump wiring Use the same terminals See diagrams next page Electronics Cabinet 15 ...

Страница 16: ...Chiltrix Inc www chiltrix com The blue and brown pump CONTROL WIRES are connected to the on the Pump PWM terminal connector at the top of the main control pcb Pump POWER wires Pump GROUND wire 16 ...

Страница 17: ...AC disconnect or switch on the incoming electrical supply which will be required 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 not used via a distribution box with breakers Allowed Voltage range is 208 240vac Maximum current draw is 13 9 amps minimum wir...

Страница 18: ...Chiltrix Inc www chiltrix com Electric Connections and Component Locator 18 ...

Страница 19: ...Chiltrix Inc www chiltrix com CX34 System Wiring Diagram 19 ...

Страница 20: ... NON PWM water pump use terminals L2 and C6L for relay coil power only Do not connect a pump directly to L2 and C6L always use a relay with a 240 vac coil This pump will only run when the PWM pump is running Setting P26 1 and P67 1 will shut C6 off when the chiller reaches its set point 20 ...

Страница 21: ...Chiltrix Tank Manual before proceeding to install or connecting any DHW or buffer tank See the Chiltrix Tank Manual for important details and options for using CX34 with DHW including backup heat options and anti legionella function READ THE CHILTRIX TANK MANUAL BEFORE DESIGNING CONNECTING CONFIGURING OR USING DHW The indoor ambient air temp is not used at this time however do not disconnect this ...

Страница 22: ...e The G1 valve should be installed as close to the CX34 as practical The DHW tank should be installed as close to the G1 valve as practical Shorter distances will improve performance and reduce the likelihood of needing a booster pump The CX34 should always be locates within 50 ft of the DHW tank 22 IMPORTANT Check all tank ports including under any element covers to make sure any unused ports are...

Страница 23: ...rimary from the CX34 Use conduit and install per local code Figure 1 this is the direction of flow when it is activated for DHW Figure 2 this is the direction of flow when it is activated for Heating or Cooling When the brown wire is connected to L1 the blue wire connected to L2 and the black control wire is connected to G2S the valve is controlled by voltage at L2 and G2S Voltage at G2S activates...

Страница 24: ...switching over from heating to cooling The seasonal switch valve is controlled by parameter P14 When parameter P14 is 0 the valve is configured as a seasonal Switch When parameter P14 is 1 the valve is configured as a solar pre heat valve The CX34 compares the solar tank temp and AC returned temp When the solar tank temp AC returned temp is 5 the 3 way valve G3S will be on when solar water tank te...

Страница 25: ...Chiltrix Inc www chiltrix com G3 VALVE Seasonal Switch Valve G3 Ports 25 ...

Страница 26: ...st have code compliant pressure relief valve installed and properly vented via copper pipe to a drain NOTE in the application the E backup heat only allows denies power to the standard tank thermostat control The tank thermostat controls the element NOTE THE PREFERRED WAY TO ADD BACKUP HEAT IS TO USE THE CHILTRIX V18 DYNAMIC VARIABLE BACKUP HEATER SECOND HEAT SOURCE IS AN OLDER AND MORE COMMON MET...

Страница 27: ...L IT IS ONLY FOR MODE SELECTION Heating or cooling calls are not needed or allowed with CX34 as it monitors the returning water temperature and always knows what it needs to do NOTE Before removing any jumper or connecting any relays make sure of the following 1 Enable disable DHW as applicable at P56 Your selection will follow along with a change between heating and cooling If DHW is active Param...

Страница 28: ... to do The switch status can be displayed in the C parameters C7 is DIN6 AC heating switch mode status 0 OPEN 1 CLOSE C8 is DIN5 AC cooling switch mode status 0 OPEN 1 CLOSE NOTE Using this relay control option will override inputs from the Chiltrix standard wired controller See the Psychrologix manual for important additional information if this applies to you Timers as explained elsewhere in thi...

Страница 29: ...hat 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 Close the middle ball valve A The pump should be pumping away from the CX34 chiller Open and close valve A a few times to remove trapped air The pump should be pumping away from the CX34 chiller Run the pump until there are no mor...

Страница 30: ...a clear tube attached to it located near the brazed plate heat exchanger Fan Coil Flow Balancing Performed at time of commissioning Proper and even flow through each fan coil is important for both heating and cooling Coil temperature can be displayed by pressing the up and down temperature arrow keys at the same time This can be done with balancing valves or ball valves installed at each fan coil ...

Страница 31: ...or radiant is normally set for 86F implies leaving at 95F Heating for fan coils is normally set at 96F implies steady state temp of 104F The CX34 can achieve a leaving temp of 131F under most but not all conditions The maximum supported target set point is 111F implies a 120F leaving temp 5 100 fault records can be stored and retrieved to show the details of each fault that may occur 6 All of the ...

Страница 32: ...Chiltrix Inc www chiltrix com 32 CX34 Desktop Keys Operation Status Click Status at the home page to enter the C parameter checking page as shown below Click the arrow button to go to next page ...

Страница 33: ...Chiltrix Inc www chiltrix com 33 Click Setting button and you will enter the system setting page Then you select the language set time and Administrator settings Settings Menu ...

Страница 34: ...Chiltrix Inc www chiltrix com 34 Language Screen Screen Saver ...

Страница 35: ...Chiltrix Inc www chiltrix com 35 Touch Screen Fixing Calibration Time Setting ...

Страница 36: ...ng Timer Function Click Timer button you can set the heat pump to turn on and off times you can select different working modes for different time periods There are total 4 periods 8 points in the timer setting Press Timer to access the timer functions ...

Страница 37: ...Chiltrix Inc www chiltrix com 37 Timers 1 and 2 set to Heating Mode with no times set Timers 3 and 4 set to Heating mode with no times set ...

Страница 38: ...Chiltrix Inc www chiltrix com 38 Setting the mode for timer 1 same menu for timers 1 4 Timer 1 turned off timers 1 4 use the same menu ...

Страница 39: ...same menu Administrator Functions Click Administrator button you need to enter the password 2222 to enter the P parameters setting page as shown below Refer to P parameter section for parameter list Example below NOTE Any changes to P59 or P61 require a 15 second reboot at the circuit breaker panel or Disconnect ...

Страница 40: ...40 Mode Click Mode at homepage you will enter mode selection page To select the desired mode press the corresponding button There are 5 standard modes available with DHW enabled plus an AU Setting Auto Heating Target Curve Function ...

Страница 41: ...Chiltrix Inc www chiltrix com 41 Error Log Error Log above shown with no errors Error Log above shown with sample errors ...

Страница 42: ...contain the LCD C Parameters P Parameters and Error Codes To access the C Parameters read only touch the STATUS button from the desktop To access the P Parameters touch the SETTINGS button from the desk top To access the Error Codes touch the ERROR button from the desktop ...

Страница 43: ...1 On 17 AC Antifreeze 0 Off 1 On 18 DHW Antifreeze 0 Off 1 On 19 Compressor Running Frequency Inverter comp Speed 20 ASHP Outdoor Fan GEO HP Water Source Pump 1 running 0 Stop 21 Compressor Heater 1 running 0 Stop 22 4 way valve 1 running 0 stop 23 Bypass Valve 1 running 0 stop 24 Hot Water Solenoid Valve G1 1 running 0 stop 25 AC Solenoid Valve G2 1 running 0 stop 26 Season Solenoid Valve G3 1 ru...

Страница 44: ...Coil Warning When AC Inlet 50c If AC Inlet DHW Temp 10c c50 1 51 EC C4 Water Pump Speed 0 10 52 Water Pump Duty Ratio 0 255 53 DC Fan 1 Rotate Speed 0 900 54 DC Fan 2 Rotate Speed 0 900 55 Running Mode 0 Off 1 Cool 2 Heat 3 DHW 56 Target Frequency 30 90 57 Compressor Model Encode CX34 C57 14 CX35 C57 16 CX50 C57 15 58 Low Pressure N a 59 High Pressure N A 60 Actual HP AC Return Water Temp 62 Retur...

Страница 45: ...Target Temp 65 P19 Fixed Speed At Manual Speed Control For Factory Testing Only 10 100 Hz 50hz P20 Running Frequency Control Set For Factory Testing Only 0 Manual Frequency 1 Auto Running Frequency 1 P21 EEV Manually Initial Open Degree Heating 40 480 When P23 0 1 2 It Is Fixed Degree When P23 3 It Is Initial Open Degree 350 P22 EEV Manually Initial Open Degree Cooling 40 480 When P23 0 1 2 It Is ...

Страница 46: ...8 5 P67 C4 Water Pump Selection 0 Normal 1 PWM 1 P68 C4 Water Pump Water Temp Difference Range 1 10 5 P69 C4 Lowest Water Pump Speed Range 2 8 4 P70 Restore Default Parameter 0 Normal 1 Restore Once 0 P73 G4 Heat Recovery Valve Selection 0 Parallelly 1 Serially 2 Free Cooling 0 P74 SSR Increase To Max Delay Time 1 20 Minutes 10 P80 Virus Killing Once 0 No 1 Kill Once 0 P81 Virus Killing Interval D...

Страница 47: ... DC Fan 2 Error E01 Exhaust High Temp Protect E02 Outer Air Temp Sensor Error E03 Pipe Temp Sensor Error E04 AC Return Water Sensor Error E05 AC Outlet Water Sensor Error E06 DHW Tank Sensor Error E07 Solar Water Temp Sensor Error E08 Coil High Temp Protect E09 AC Anti Freezing Twice E10 Hot Water Anti Freezing Twice E11 Refrigerant Indoor Coil Temp Sender Error E14 Suction Temp Sensor Error E15 E...

Страница 48: ...as well from the ceiling or walls as it does from a floor And in some cases it works better from the ceiling Why does keeping the operating temperature low matter so much With a fossil fuel burning boiler it doesn t matter Gas propane and oil efficiency does not vary with outdoor temperature But that s not the case with a heat pump Here s why For a real world example at 0F outdoor temperature an a...

Страница 49: ...Set parameter P45 and P46 in CX34 controller according to the values used in your curve worksheet There is an AU TEMP icon inside of the mode section of the main screen of the controller If you press on it then you will enter the AU TEMP mode screen You will need to enable HEATING AU to ON With AU Heating on it will be displayed as an orange red color From there you can adjust the weather compensa...

Страница 50: ...If your CX34 is used with a Psychrologix controller please make sure the Psychrologix auto switchover function is disabled and only use the on board automatic switchover function Or vice versa Only one method of external control can be used on the same system Likewise this function cannot be used on either controller if you are using C H COM remote relay mode control To use this function follow th...

Страница 51: ...e coming out of the air exhaust valve Then close the air exhaust valves See page 30 and 31 for more details 2 Discharge the air from both domestic hot water system and air conditioning water system CXI fan coils have a bleeder valve located near the inlet and outlet ports The CX34 has a bleeder tube attached to the Brazed plate heat exchanger To avoid freezing the heat pump when the air temperatur...

Страница 52: ...Chiltrix Inc www chiltrix com 52 ...

Страница 53: ...Chiltrix Inc www chiltrix com 53 ...

Страница 54: ...Chiltrix Inc www chiltrix com 54 Chiltrix CX34 Internal Pump Wilo Yonos PARA RS 25 7 5 PWM1 Ku ...

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