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ClimateMaster Tranquility TZH 024 Series Installation, Operation & Maintenence Manual Download Page 37

37

c l i m a t e m a s t e r. c o m

T H E   S M A R T   S O L U T I O N   F O R   E N E R G Y   E F F I C I E N C Y

Tr a n q u i l i t y

®

  2 2   ( T Z )   S e r i e s

R e v i s e d :   0 1 / 2 1 / 1 3

Table 7b: DXM2 LED and Alarm Relay Operations

DXM2 Controls

Description 

of Operation

Status LED 

(Red)

Status LED 

(Green)

Alarm Relay

DXM2 is 

non-functional

Off

Off

Open

Normal Mode

On

On

Open

Normal Mode - 

Communicating

On

Very Slow 

Flash

Open

Normal Mode with 

UPS Warning

On

On

Cycle (closed 5 

sec., Open 25 sec.)

Normal Mode - 

HWG pump active

Slow Flash

 - 

Open

Fault Retry

 - 

Slow Flash

Open

Lockout

 - 

Fast Flash

Closed

Active Over/Under 

Voltage Condition

 - 

Slow Flash

Open (Closed after 

15 minutes)

Night Setback

Flashing Code 2

 - 

 - 

ESD

Flashing Code 3

 - 

 - 

Invalid T-stat Inputs

Flashing Code 4

 - 

 - 

High Temperature 

HWG Lockout

Flashing Code 5

 - 

 - 

HWG Temperature 

Sensor Fault

Flashing Code 6

 - 

 - 

Test Mode

Fast Flash

 - 

 - 

Test Mode - 

ECM blower active

Flashing Code 

per 100 CFM

 - 

 - 

Test Mode - 

No fault in memory

 - 

Flashing 

Code 1

Cycling Code 1

Test Mode - HP/HPWS 

fault in memory

 - 

Flashing 

Code 2

Cycling Code 2

Test Mode - 

LP fault in memory

 - 

Flashing 

Code 3

Cycling Code 3

Test Mode - 

LT1 fault in memory

 - 

Flashing 

Code 4

Cycling Code 4

Test Mode - 

LT2 fault in memory

 - 

Flashing 

Code 5

Cycling Code 5

Test Mode - 

CO fault in memory

 - 

Flashing 

Code 6

Cycling Code 6

Test Mode - Over/Un-

der voltage in memory

 - 

Flashing 

Code 7

Cycling Code 7

Test Mode - UPS warn-

ing in memory

 - 

Flashing 

Code 8

Cycling Code 8

Test Mode - Swapped 

thermistor in memory

-

Flashing 

Code 9

Cycling Code 9

Test Mode - Air

fl

 ow 

fault in memory

-

Flashing 
Code 10

Cycling Code 10

Test Mode - IFC Fault 

in Memory

-

Flashing 
Code 13

Cycling Code 13

 -Fast Flash = 2 

fl

 ashes every 1 second

 -Slow Flash = 1 

fl

 ash every 2 seconds

 -Very Slow Flash = 1 

fl

 ash every 5 seconds

 -Flash code 2 = 2 on pulses, 10 second pause, 2 on pulses, 10 
   second pause, etc.
 -On pulse 1/3 second; off pulse 1/3 second

Summary of Contents for Tranquility TZH 024 Series

Page 1: ...er Low Voltage Wiring 26 Electrical Low Voltage Wiring 27 Electrical Low Voltage Wiring for non vFlow Units Using External Motorized Water Valve 28 Electrical Thermostat Wiring 29 Blower Performance Data 30 ECM Blower Control 31 Typical Wiring Diagram Single Phase Units 32 Typical Wiring Diagram Single Phase Unit with MPC Controller 33 Typical Wiring Diagram Three Phase Units 34 DXM2 Controls 35 D...

Page 2: ...2 ClimateMaster Water Source Heat Pumps CL I MATEM ASTER WATER SOURCE HEAT PUMPS Tran q u i l i t y 22 TZ Series Rev is ed 01 21 13 This Page Intentionally Left Blank ...

Page 3: ...ight ECM ECM ECM 048 060 L Left Return R Right Return V Left Return Stainless Steel Drain Pan W Right Return Stainless Steel Drain Pan M DXM2 w LON P DXM2 w MPC OPTION 1 A J K 2 C L M 3 E N P 1 FILTER RACK RANGE ULTRA QUIET 2 FILTER RACK 1 FILTER FRAME 2 FILTER FRAME 4 G R S NO YES NO YES YES YES YES YES NO NO NO NO NO NO YES YES YES YES NO NO NO NO NO NO YES YES YES YES NO NO NO NO NO NO YES YES ...

Page 4: ...ication of installation operation or maintenance information which is important but which is not hazard related Inspection Upon receipt of the equipment carefully check the shipment against the bill of lading Make sure all units have been received Inspect the packaging of each unit and inspect each unit for damage Ensure that the carrier makes proper notation of any shortages or damage on all copi...

Page 5: ...ves before installing any of the system components Remove any dirt or debris found in or on these components Pre Installation Installation Operation and Maintenance instructions are provided with each unit Horizontal equipment is designed for installation above false ceiling or in a ceiling plenum Other unit configurations are typically installed in a mechanical room The installation site chosen s...

Page 6: ...0 X 17 25 20 X 17 25 24 X 21 75 24 X 21 75 28 75 X 24 28 75 X 24 Standard Filter 1 25 4mm Throwaway qty in 20x20 20x20 24x24 24x24 28x28 28x28 Weight Operating lbs 224 224 249 260 315 330 Weight Packaged lbs 229 229 255 266 322 337 Horizontal Air Coil Dimensions h x w in 16 X 22 16 X 22 20 X 25 20 X 25 20 X 35 20 X 35 Standard Filter 1 25 4mm Throwaway qty in 18x25 18x25 20x28 or 2 20x14 20x28 or ...

Page 7: ...ion should be given to access for easy removal of the filter and access panels Provide sufficient room to make water electrical and duct connection s If the unit is located in a confined space such as a closet provisions must be made for return air to freely enter the space by means of a louvered door etc Any access panel screws that would be difficult to remove after the unit is installed should ...

Page 8: ...bove ceiling Vertical WSHPs are commonly installed in a mechanical room with free return e g louvered door Therefore filter rails are the industry standard and are included on ClimateMaster commercial heat pumps for the purposes of holding the filter only For ducted return applications the filter rail must be removed and replaced with a duct flange or filter rack Canvas or flexible connectors shou...

Page 9: ...2 Lift out the access panel and set aside Lift and rotate the discharge panel to the other position as shown being careful with the blower wiring 3 Check blower wire routing and connections for tension or contact with sheet metal edges Re route if necessary 4 Check refrigerant tubing for contact with other components 5 Reinstall top panel and screws noting that the location for some screws will ha...

Page 10: ...c pressure than other units connected to the same condensate main since this may cause poor drainage for all units on the line WHEN A VENT IS INSTALLED IN THE DRAIN LINE IT MUST BE LOCATED AFTER THE TRAP IN THE DIRECTION OF THE CONDENSATE FLOW CAUTION Duct System Installation Proper duct sizing and design is critical to the performance of the unit The duct system should be designed to allow adequa...

Page 11: ...led should be removed prior to setting the unit Refer to Figures 7 and 8 for typical installation illustrations Refer to unit submittal data or engineering design guide for dimensional data 1 Install the unit on a piece of rubber neoprene orother mounting pad material for sound isolation The pad should be at least 3 8 10mm to 1 2 13mm in thickness Extend the pad beyond all four edges of the unit 2...

Page 12: ...nstalled and pitched away from the unit to allow for proper drainage This connection must meet all local plumbing building codes Vertical units utilize a condensate hose inside the cabinet as a trapping loop therefore an external trap is not necessary Figure 10a shows typical condensate connections Figure 10b illustrates the internal trap for a typical vertical heat pump Each unit must be installe...

Page 13: ...ius falls below the required minimum Insulation is not required on loop water piping except where the piping runs through unheated areas outside the building or when the loop water temperature is below the minimum expected dew point of the pipe ambient conditions Insulation is required if loop water temperature drops below the dew point insulation is required for ground loop applications in most c...

Page 14: ...ce in the entering and leaving water temperature delta T This valve is a standard factory installed feature for the TZ unit 2 High System Pressure Drop Modulating Motorized Valve Typical for High Pressure Water System such as Water Well Pumps With this option the unit includes a high pressure drop modulating water valve that is controlled by the DXM2 control based on the difference in the entering...

Page 15: ...200 14 0 3 58 8 26 Model CV MOPD WPD Adders GPM PSI FT 024 4 7 200 3 0 0 41 0 94 4 7 200 4 5 0 92 2 12 4 7 200 6 0 1 63 3 76 030 7 4 200 3 8 0 26 0 61 7 4 200 5 6 0 57 1 32 7 4 200 7 5 1 03 2 37 036 7 4 200 4 5 0 37 0 85 7 4 200 6 8 0 84 1 95 7 4 200 9 0 1 48 3 42 042 10 0 200 5 3 0 28 0 65 10 0 200 7 9 0 62 1 44 10 0 200 10 5 1 10 2 55 048 10 0 200 6 0 0 36 0 83 10 0 200 9 0 0 81 1 87 10 0 200 12...

Page 16: ...rformance 0 10 20 30 40 50 60 0 5 10 15 20 25 30 35 40 Head Ft Flow GPM Magna Geo 25 140 Pump Curve GPM Head ft 0 0 44 7 1 0 45 4 2 0 46 1 3 0 46 8 4 0 47 5 5 0 47 7 6 0 47 1 7 0 46 1 8 0 45 3 9 0 43 9 10 0 42 6 11 0 41 2 12 0 39 9 13 0 38 7 14 0 37 4 15 0 36 1 16 0 34 9 17 0 33 7 18 0 32 5 19 0 31 3 20 0 30 1 21 0 28 9 22 0 27 8 23 0 26 7 24 0 25 6 25 0 24 5 ...

Page 17: ...piping chips and other foreign material prior to operation see Piping System Cleaning and Flushing Procedures in this manual The flow rate is usually set between 2 25 and 3 5 gpm per ton 2 9 and 4 5 l m per kW of cooling capacity ClimateMaster recommends 3 gpm per ton 3 9 l m per kW for most applications of water loop heat pumps To ensure proper maintenance and servicing P T ports are imperative f...

Page 18: ...areas subject to freezing antifreeze is required Alcohols and glycols are commonly used as antifreeze however your local sales office should be consulted to determine the antifreeze best suited to your area Freeze protection should be maintained to 15 F 9 C below the lowest expected entering loop temperature For example if 30 F 1 C is the minimum expected entering loop temperature the leaving loop...

Page 19: ...Water Out Shut Off Ball Valves for Isolation Water In Ground Water Heat Pump Applications Typical Open Loop Well unit with internal modulating water valve High and Low Voltage Knockouts Vibration Isolation Pad To Thermostat Internal Motorized Modulating Valve Water Out Shut Off Ball Valves for Isolation Water In Pressure Tank Optional Filter Boiler Drains Ground Loop Heat Pump Applications Typical...

Page 20: ...d for water quality requirements Scaling potential should be assessed using the pH Calcium hardness method If the pH 7 5 and the calcium hardness is less than 100 ppm scaling potential is low If this method yields numbers out of range of those listed the Ryznar Stability and Langelier Saturation indecies should be calculated Use the appropriate scaling surface temperature for the application 150 F...

Page 21: ...cond method of flow control requires a flow control device mounted on the outlet of the water control valve The device is typically a brass fitting with an orifice of rubber or plastic material that is designed to allow a specified flow rate On occasion flow control devices may produce velocity noise that can be reduced by applying some back pressure from the ball valve located on the discharge li...

Page 22: ...compounds All 0 5 ppm Maximum Maximum Allowable at maximum water temperature Chloride Levels 10 C 24 C 38 C Copper Cupronickel 20ppm NR NR 150 ppm NR NR 304 SS 400 ppm 250 ppm 150 ppm 316 SS 1000 ppm 550 ppm 375 ppm Titanium 1000 ppm 550 ppm 375 ppm Erosion and Clogging Particulate Size and Erosion All 10 ppm of particles and a maximum velocity of 1 8 m s Filtered for maximum 841 micron 0 84 mm 20...

Page 23: ...nd sound transmission to the building General Line Voltage Wiring Be sure the available power is the same voltage and phase shown on the unit serial plate Line and low voltage wiring must be done in accordance with local codes or the National Electric Code whichever is applicable WARNING To avoid possible injury or death due to electrical shock open the power supply disconnect switch and secure it...

Page 24: ... RK 5 NEUTRAL CONNECTION REQUIRED All F Voltage 460 vac units require a four wire power supply with neutral ECM motor and optional circulating pumps are rated 265 vac and are wired between one hot leg and neutral Units with Modulating Motorized Valve Units with Internal Secondary Pump Model Voltage Code Voltage Min Max Voltage Compressor Fan Motor FLA Total Unit FLA Min Circ Amp Max Fuse HACR RLA ...

Page 25: ...3 197 252 16 5 110 0 1 1 7 6 9 25 1 29 2 45 HACR circuit breaker in USA only Wire length based on one way measurement with 2 voltage drop Wire size based on 60 C copper conductor All fuses Class RK 5 Units with Low Head Variable Pump Model Voltage Code Voltage Voltage Min Max Compressor Pump Motor FLA Fan Motor FLA Total Unit FLA Min Circ Amp Max Fuse HACR RLA LRA Qty 024 G 208 230 60 1 197 252 11...

Page 26: ...l data tables for correct fuse size 460 volt units require a neutral wire Transformer All 208 230 voltage units are factory wired for 208 volt If supply voltage is 230 volt installer must rewire transformer See wire diagram for connections ELECTRICAL LOW VOLTAGE WIRING Thermostat Connections The thermostat will be wired to the DXM2 board located within the unit control box Refer to the unit wiring...

Page 27: ...lations to shut off flow to the unit when the compressor is not operating A slow closing valve may be required to help reduce water hammer Figure 18 shows typical wiring for a 24VAC external solenoid valve Figures 19 and 20 illustrate typical slow closing water control valve wiring for Taco 500 series ClimateMaster P N AVM and Taco SBV series valves Slow closing valves take approximately 60 second...

Page 28: ...non vFlow Units Using External Motorized Water Valve Figure 19 AVM Valve Wiring Figure 20 Taco SBV Valve Wiring From Water Source IN OUT NOTE Shut off valves strainers and other required components not shown Solenoid Valve Flow Regulator To Discharge Stage 1 Stage 2 Figure 21 Two Stage Piping C C Thermostat Y1 1 2 3 Y1 AVM Taco Valve Heater Switch Water Valve Wiring ...

Page 29: ...ractically any heat pump thermostat will work with ClimateMaster units provided it has the correct number of heating and cooling stages Electrical Thermostat Wiring Field Wiring Factory Wiring Figure 22a Conventional 3 Heat 2 Cool Thermostat Connection to DXM2 Control Thermostat Compressor Compressor Stage 2 Reversing Valve Fan 24Vac Hot 24Vac Common Fault LED DXM2 Board Y1 Y2 W H O G R C AL1 Y1 Y...

Page 30: ...Minimum 750 525 750 525 750 525 375 750 036 0 6 1 2 Default 1125 750 975 650 1125 750 525 1125 Maximum 1250 950 1200 800 1250 1250 1250 1250 Minimum 900 600 900 600 900 600 450 900 042 0 6 3 4 Default 1300 925 1125 825 1300 925 600 1300 Maximum 1475 1100 1400 1000 1475 1475 1475 1475 Minimum 1050 750 1050 750 1050 750 525 1050 048 0 75 3 4 Default 1500 1125 1300 975 1500 1125 700 1500 Maximum 1700...

Page 31: ...age Cooling in Dehumidification Mode Y1 Y2 O Dehumid First Stage Heating Y1 Second Stage Heating Y1 Y2 Third Stage Auxiliary Heating Y1 Y2 W Emergency Heating W with no Y1 or Y2 Fan G with no Y1 Y2 or W It is highly recommended that ATC32U or ACDU be used to set dehumidification mode electronically Dehumidification can NOT be selected when using a non communicating thermostat with a vFlow unit wit...

Page 32: ...32 ClimateMaster Water Source Heat Pumps CL I MATEM ASTER WATER SOURCE HEAT PUMPS Tran q u i l i t y 22 TZ Series Rev is ed 01 21 13 Typical Wiring Diagram Single Phase Units ...

Page 33: ...33 climatemaster com THE SMART SOLUTION FOR ENERGY EFFI C I E NC Y Tranquility 22 TZ Ser ies Rev i s ed 0 1 2 1 1 3 Typical Wiring Diagram Single Phase Unit with MPC Controller ...

Page 34: ...34 ClimateMaster Water Source Heat Pumps CL I MATEM ASTER WATER SOURCE HEAT PUMPS Tran q u i l i t y 22 TZ Series Rev is ed 01 21 13 Typical Wiring Diagram Three Phase Units ...

Page 35: ...itches Note In the following field configuration options DIP switches should only be changed when power is removed from the DXM2 control DIP Package 1 S1 DIP Package 1 has 8 switches and provides the following setup selections 1 1 Unit Performance Sentinel UPS disable DIP Switch 1 1 provides field selection to disable the UPS feature On Enabled Off Disabled 1 2 Compressor relay staging operation D...

Page 36: ...ll remain off during cooling stage 2 IF the H input is active In high fan mode the fan enable and fan speed relays will turn on when the H input is active On Auto dehumidification mode default Off High fan mode 2 8 Special factory selection DIP 2 8 provides special factory selection Normal position is On Do not change selection unless instructed to do so by the factory Table 7a Accessory DIP Switc...

Page 37: ... Flash Test Mode ECM blower active Flashing Code per 100 CFM Test Mode No fault in memory Flashing Code 1 Cycling Code 1 Test Mode HP HPWS fault in memory Flashing Code 2 Cycling Code 2 Test Mode LP fault in memory Flashing Code 3 Cycling Code 3 Test Mode LT1 fault in memory Flashing Code 4 Cycling Code 4 Test Mode LT2 fault in memory Flashing Code 5 Cycling Code 5 Test Mode CO fault in memory Fla...

Page 38: ... 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 Service tool connection Communicating stat connection Conventional stat connection Cabinet temperature sensor with variable speed pump 24V to compressor second stage solenoid for Y2 full load capacity Use 4 mounting screws 6 sheet metal screw 1 long Configure modulating valve or variable speed pump Variable speed pump Entering water temp Leaving water temp Leaving ai...

Page 39: ...stage compressor 2nd stage fan operation reversing valve DXM2 Controls Figure 26b Test Mode Button Table 7c Unit Operation DXM2 Control Start up Operation The control will not operate until all inputs and safety controls are checked for normal conditions The compressor will have a 5 minute anti short cycle delay at power up The first time after power up that there is a call for compressor the comp...

Page 40: ...2 0 32 65 70 158 0 1 75 1 33 8 31 03 71 159 8 1 69 2 35 6 29 50 72 161 6 1 64 3 37 4 28 05 73 163 4 1 58 4 39 2 26 69 74 165 2 1 53 5 41 0 25 39 75 167 0 1 48 6 42 8 24 17 76 168 8 1 43 7 44 6 23 02 77 170 6 1 39 8 46 4 21 92 78 172 4 1 34 9 48 2 20 88 79 174 2 1 30 10 50 0 19 90 80 176 0 1 26 11 51 8 18 97 81 177 8 1 22 12 53 6 18 09 82 179 6 1 18 13 55 4 17 26 83 181 4 1 14 14 57 2 16 46 84 183 ...

Page 41: ...0ºF 1 1 26 7ºC 120ºF 48 9ºC Normal Water Flow 1 5 to 3 0 gpm ton 1 6 to 3 2 l m per kW When unit is equipped with Internal Secondary Pump option code 7 in position eleven of the unit model number the minimum entering water temperature is 30ºF 1 1ºC and the maximum entering heating water is 90ºF 32 2ºC Unit Starting and Operating Conditions Table 9b Starting Limits When unit is equipped with Intern...

Page 42: ...short circuited hoses Reconnect the hoses to the proper supply and return the connections to each of the units Refill the system and bleed off all air 9 Test the system pH with litmus paper The system water should be in the range of pH 6 0 8 5 see table 3 Add chemicals as appropriate to maintain neutral pH levels 10 When the system is successfully cleaned flushed refilled and bled check the main s...

Page 43: ...and fittings see table 3 System flushing Verify that all hoses are connected end to end when flushing to ensure that debris bypasses the unit heat exchanger water valves and other components Water used in the system must be potable quality initially and clean of dirt piping slag and strong chemical cleaning agents Verify that all air is purged from the system Air in the system can cause poor opera...

Page 44: ...ressure drop across the heat exchanger to table 10 In S I units the formula is as follows HR kW TD x l s x 4 18 f Check air temperature drop across the air coil when compressor is operating Air temperature drop should be between 15 F and 25 F 8 C and 14 C g Turn thermostat to OFF position A hissing noise indicates proper functioning of the reversing valve 6 Allow five 5 minutes between tests for p...

Page 45: ...nd 80 67 F 27 19 C in cooling Subcooling is based upon head pressure at compressor service port Cooling air and water values can vary greatly with changes in humidity level Model GPM Pressure Drop psi 30 F 50 F 70 F 90 F 024 2 3 3 4 3 0 4 5 6 0 2 2 4 5 3 7 6 1 12 8 1 5 3 1 2 4 4 3 10 0 1 2 2 5 1 9 3 4 8 6 1 1 2 4 1 8 3 2 8 0 030 3 0 3 8 4 5 6 0 7 5 1 1 1 5 2 1 3 4 4 7 0 9 1 1 1 6 2 6 3 5 0 8 1 0 1...

Page 46: ... 24 19 24 88 98 96 106 105 115 353 373 361 381 370 390 9 14 10 15 10 15 14 19 14 19 14 19 13 2 15 2 9 0 11 0 4 8 6 8 24 29 25 30 26 31 70 1 5 2 25 3 128 138 124 134 119 129 310 330 290 310 270 290 10 15 10 15 11 16 11 16 10 15 8 13 19 21 14 1 16 1 9 2 11 2 18 23 18 23 18 23 116 126 128 138 139 149 390 410 406 426 419 439 11 16 12 17 14 19 15 20 15 20 15 20 17 0 19 0 11 6 13 6 6 1 8 1 29 34 31 36 3...

Page 47: ...7 337 7 12 7 12 8 13 10 15 10 15 10 15 8 4 10 4 6 0 8 0 3 6 5 6 19 24 20 25 20 25 50 1 5 2 25 3 120 130 120 130 118 128 225 245 222 242 220 240 9 14 9 14 9 14 13 18 10 15 9 14 21 8 23 8 14 7 16 7 8 7 10 7 20 25 20 25 20 25 94 104 100 110 105 115 343 363 350 270 356 376 9 14 10 15 10 15 12 18 11 16 10 15 11 3 13 3 8 2 10 2 5 0 8 0 25 30 26 31 26 31 70 1 5 2 25 3 124 134 124 134 123 133 300 320 278 ...

Page 48: ...n necessary Units should never be operated without a filter Washable high efficiency electrostatic filters when dirty can exhibit a very high pressure drop for the fan motor and reduce air flow resulting in poor performance It is especially important to provide consistent washing of these filters in the opposite direction of the normal air flow once per month using a high pressure wash similar to ...

Page 49: ...nputs are paired wires connecting each component to the board Therefore continuity on pressure switches for example can be checked at the board connector The thermistor resistance should be measured with the connector removed so that only the impedance of the thermistor is measured If desired this reading can be compared to the thermistor resistance chart shown in Table 8 An ice bath can be used t...

Page 50: ... can be accessed from the Installer menu For more detailed information on the advanced diagnostics of the DXM2 see the DXM2 Application Operation and Maintenance AOM manual part 97B0003N15 DXM2 Troubleshooting Process Flowchart Functional Troubleshooting Chart The DXM2 Functional Troubleshooting Process Flowchart is a quick overview of how to start diagnosing a suspected problem using the fault re...

Page 51: ...s Start Did Unit Attempt to Start Did Unit Lockout at Start up Unit Short Cycles Only Fan Runs Only Compressor Runs Did unit lockout after a period of operation Does unit operate in cooling Unit is OK See Performance Troubleshooting for further help Check Main power see power problems Check fault code on communicating thermostat ATC32 or Configuration and Diagnostics Tool ACD01 Yes No No No No No ...

Page 52: ...antifreeze density with hydrometer X Improper low temperature setting 30 F vs 10 F Clip LT1 jumper for antifreeze 10 F use X Water t emperature out of range Bring water temp within design parameters X X Bad thermistor Check temp and impedance correlation per chart LT2 Fault Code 5 Low Air Temperature X Reduced or no air flow Check for dirty air filter and clean or replace in cooling Check fan moto...

Page 53: ...operation and airflow restrictions Too high of external static check static vs blower table Too much cold vent air bring entering air temp within design parameters No Fault Code Shown X X No compressor operation See Only Fan Operates X X Compressor overload Check and replace if necessary X X Control board Reset power and check operation Unit Short Cycles X X Dirty air filter Check and clean air fi...

Page 54: ...loop sizing loop backfill ground moisture High Head Pressure X Reduced or no air flow Check for dirty air filter and clean or replace in heating Check fan motor operation and airflow restrictions Too high of external static check static vs blower table X Reduced or no water flow Check pump operation or valve operation setting in cooling Check water flow adjust to proper flow rate X Inlet water too...

Page 55: ...t motor Check capacitor X X Thermostat wiring Check thermostat wiring at or DXM2 Put in Test Mode and then jumper Y1 and W1 to R to give call for fan compressor and electric heat Unit Doesn t Operate in Cooling X Reversing Valve Set for cooling demand and check 24VAC on RV coil If RV is stuck run high pressure up by reducing water flow and while operating engage and disengage RV coil voltage to pu...

Page 56: ... Motor CFM Settings ECM Temperatures F or C Antifreeze Pressures PSIG or kPa Type Cooling Mode Heating Mode Entering Fluid Temperature Leaving Fluid Temperature Temperature Differential Return Air Temperature DB WB DB Supply Air Temperature DB WB DB Temperature Differential Water Coil Heat Exchanger Water Pressure IN Water Coil Heat Exchanger Water Pressure OUT Pressure Differential Water Flow GPM...

Page 57: ...21 7 1 1 6 6 36 6 7 36 6 7 5 2 3 7 1 48 1 3 16 21 9 9 5 2 36 6 7 36 6 7 7 5 1 7 5 287 36 36 7 5 1 7 5 287 36 36 8VH IRU ZDWHU IRU DQWLIUHH H 7 5 5 5 6 6 1 3 6 1625 3 16 21 9 9 7 5 5 5 3 6 6 1 27 5 6 2 75 5 3 4 1 5HIULJHUDQW 7 SH HDW RI WUDFWLRQ EVRUSWLRQ RU HDW RI 5HMHFWLRQ ________ IORZ UDWH GLII IDFWRU BBBBBBBBBBBBB WX KU 6XSHUKHDW 6XEFRROLQJ 6XFWLRQ WHPSHUDWXUH VXFWLRQ VDWXUDWLRQ WHPS LVFKDUJH ...

Page 58: ... result of insufÀ cient or incorrect system design or the improper application of CM s products CM is not responsible for 1 The costs of any Á uids refrigerant or other system components or associated labor to repair or replace the same which is incurred as a result of a defective part covered by CM s Limited Express Warranty 2 The costs of labor refrigerant materials or service incurred in remova...

Page 59: ...amage or insufÀ cient performance as a result of insufÀ cient or incorrect system design or the improper application installation or use of CM s products or 14 Electricity or fuel costs or any increases or unrealized savings in same for any reason CM is not responsible for 1 The cost of any Á uids refrigerant or other system components or the associated labor to repair or replace the same which is...

Page 60: ...ne 405 745 6000 Fax 405 745 6058 climatemaster com ClimateMaster Inc 2009 ClimateMaster works continually to improve its products As a result the design and specifications of each product at the time for order may be changed without notice and may not be as described herein Please contact ClimateMaster s Customer Service Department at 1 405 745 6000 for specific information on the current design a...

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