Daikin Enfinity CCH Installation And Maintenance Manual Download Page 38

Page: 38 / 48

roubleshooting

MicroTech III Unit Controller LED Faults (Continued)

Table 18: Serial EEPROM Corrupted

Description

Type

Yellow

Green

Red

Serial EEPROM Corrupted

Fault

• Cycle power to see if problem is corrected
• Replace main board, only if problem persists after power cycle

Table 19: Service Test Mode Enabled

Description

Type

Yellow

Green

Red

Service Test Mode Enabled

Mode

Flash

• Jumper JP1 is shorted for service test mode operation. Note: Used only for testing purposes, control timing may damage actual hardware

Table 20: Unoccupied Mode

Description

Type

Yellow

Green

Red

Unoccupied Mode

Mode

OFF

• Terminal U on main control board is connected to common from external source, or the network is overriding occupancy mode

Table 21: Occupied, Bypass Mode, Standby or Tenant Override Modes

Description

Type

Yellow

Green

Red

Occupied, Bypass Mode, Standby or

Tenant Override Modes

Mode

OFF

• Unit is operating normal. It may currently have a control signal or ready to operate when a control signal is active

I/O Expansion Module LED Faults (For units with optional boilerless

electric heat)

Table 22: Invalid Jumper Configuration

Description

Type

Yellow

Green

Red

Invalid Jumper Configuration

Fault

Flash

OFF

• Verify jumper settings

Table 23: Baseboard Communication Fail

Description

Type

Yellow

Green

Red

Baseboard Communication Fail

Fault

OFF

Flash

• Verify connection of cable between H5 on main board and H1 on I/O expansion board

Table 24: Entering Water Temp Sensor Fail (Boilerless Electric Heat or Waterside Economizer Only)

Description

Type

Yellow

Green

Red

Entering Water Temp Sensor Fail

(Boilerless Electric Heat or Waterside

Economizer Only)

Fault

Flash

• Verify connections at terminals H4 on the I/O expansion board
• Verify resistance of EWT thermistor is 10K @ 77

Table 25: Low Entering Water Temperature (No Display On Boilerless Electric Heat)

Description

Type

Yellow

Green

Red

Low Entering Water Temperature (No

Display On Boilerless Electric Heat)

Fault

OFF

Flash

• Verify entering water temperature is greater than set point

IM 1049-9

38 www.DaikinApplied.com

Summary of Contents for Enfinity CCH

Page 1: ...Installation and Maintenance Manual IM 1049 9 Group WSHP Part Number 910258820 Date December 2018 Daikin Enfinity Horizontal Water Source Heat Pumps R 410A Refrigerant Model CCH CCW Unit Sizes 007 070...

Page 2: ......

Page 3: ...rt up 23 Changing PSC Fan Motor Speed 23 Optional EC Motor 25 Start up 26 Typical Wiring Diagrams 27 Thermostats Wall Sensors 32 Typical Connections For Thermostats Temperature Sensors 32 Additional A...

Page 4: ...ht Discharge Air 09 13 E End Discharge S Straight Discharge Blower Motor 10 14 15 01 Standard PSC 03 Low Static 04 ECM Construction Type 12 18 A Standard 1 2 inch FG insulation 1 filter rack B Standar...

Page 5: ...spection by the carrier s agent within fifteen 15 days of the delivery date and file a claim with the carrier CAUTION The installer must determine and follow all applicable codes and regulations This...

Page 6: ...ts 5 Each unit is furnished with a hanger kit The kit is shipped unassembled and includes hanger brackets rubber isolators washers bolts and lock washers Lay out the threaded rods per the dimension in...

Page 7: ...personal injury or death CAUTION Sharp edges can cause personal injury Avoid contact with them Use care and wear protective clothing safety glasses and gloves when handling parts and servicing heat pu...

Page 8: ...Fan Motor Reinstall Top Completed End Discharge Assembly IM 1049 9 8 www DaikinApplied com 6 Lift the fan assembly out rotating it 180 degrees and position it within the opening at the end of the unit...

Page 9: ...ace a straight length of duct 5 to 10 times the duct width before the next fitting to smooth out airflow Diffusers that are located in the bottom of a trunk duct can also produce noise For this same r...

Page 10: ...gure 9 Standard 1 25mm Filter rack return air duct collar Standard 2 51mm Figure 10 Optional 2 51mm Filter rack return air duct collar Tool less Filter Removal Ventilation Air Ventilation may require...

Page 11: ...Volt Operation All 208 230 volt single phase and three phase units are factory wired for 208 volt operation For 230 phase operation the line voltage tap on the 24 volt transformer must be changed Dis...

Page 12: ...tape to assure a tight seal Figure 11 Sizes 007 through 060 shown Ball Valves Supply Riser Return Riser Condensate Riser Supply Air Hanger Kits 4 Flex Hoses Electrical Access Panel Note Do not over t...

Page 13: ...an drain water 3 Shut off supplemental heater and circulator pump and open all drains and vents to completely drain down the system Short circuited supply and return runouts should now be connected to...

Page 14: ...selection Some conditioners have built in time delays which prevent the compressor from immediately starting With most control schemes the fan will start immediately After a few minutes of compressor...

Page 15: ...not for continuous duty Operating Mode Entering Air F Entering Water F Minimum Maximum Standard Range Extended Range DB WB DB WB Minimum Maximum Minimum Maximum Cooling 50 40 105 87 45 120 30 120 Amb...

Page 16: ...al output to indicate an alarm condition exists Remote Reset of Automatic Lockouts The Remote Reset feature provides the means to remotely reset some lockouts There are 3 means to reset an automatic l...

Page 17: ...larm Output TB2 3 W2 Thermostat Heat Stage 2 Input TB2 4 W1 Thermostat Heat Stage 1 Input TB2 5 Y2 Thermostat Cool Stage 2 Input TB2 6 Y1 Thermostat Cool Stage 1 Input TB2 7 G Thermostat Fan Input TB2...

Page 18: ...s Jumper Setting Model Compressor Options JP1 JP1 Open Single Compressor Model factory default setting JP1 Shorted Dual Compressor Model Hot Gas Water Reheat HGR Dehumidification JP2 JP2 Open None def...

Page 19: ...rned on This signal is detected by a pump restart relay providing a N O or N C set of contacts for heat pump loop circulation pump or motorized valve control When used with a system control by others...

Page 20: ...apability of substituting the wall sensor with a duct mounted return air sensor Each unit controller orchestrates the following unit operations Enable heating and cooling to maintain setpoint based on...

Page 21: ...ed that the MAC address dip switches on the communication module be set prior to installing the unit in the ceiling Access to the dip switches may be limited when the unit is installed Reference IM 92...

Page 22: ...IM 1049 9 22 www DaikinApplied com Controls Figure 18 LonWorks Communication Module Placement on MicroTech III Unit Controller...

Page 23: ...GRN RD LOW BLK HIGH Factory Wired WHT CAPACITOR LINE BRN FAN MOTOR Unit Sizes 015 and 024 all available voltages Fan motors on unit sizes 015 and 024 in all available voltages have a four position ter...

Page 24: ...0 60 1 and 208 230 60 3 factory wired for low speed 1 YEL 2 BRN 3 BLK 4 RED LOW FACTORY WIRED LINE HIGH GR YE CAPACITOR FAN MOTOR Unit Size 048 380 50 3 460 60 3 575 60 3 The fan motor on unit size 04...

Page 25: ...NE HIGH FACTORY WIRED GR YE CAPACITOR FAN MOTOR Unit Size 070 460 60 3 575 60 3 The fan motor on unit size 070 for voltages 460 60 3 and 575 60 3 Figure 32 have a five position terminal block and are...

Page 26: ...g After a few minutes of operation check the discharge grilles for cool air delivery Measure the temperature difference between entering and leaving water It should be approximately 1 1 2 times greate...

Page 27: ...sensor is included with ECM and or Secondary Electric Heat Legend Item Description C1 Capacitor Compressor C2 Capacitor Fan CC Compressor Contactor CM Compressor Motor COS Condensate Overflow Sensor...

Page 28: ...EWT sensor is included with ECM and or Secondary Electric Heat Legend Item Description C1 Capacitor Compressor C2 Capacitor Fan CC Compressor Contactor CM Compressor Motor COS Condensate Overflow Sen...

Page 29: ...itch SLTS Suction Line Temp Sensor LWT Leaving Water Temp Sensor MIII MicroTech III Main Board RAT Return Air Temp Sensor RV Reversing Valve Solenoid X1 Transformer _____ Standard Unit Wiring _ _ _ _...

Page 30: ...LED Annunciator Harness LP Low Pressure Switch SLTS Suction Line Temp Sensor LWT Leaving Water Temp Sensor MIII MicroTech III Main Board R1 Relay Fan Motor RAT Return Air Temp Sensor RV Reversing Val...

Page 31: ...mp Sensor LWT Leaving Water Temp Sensor MIII MicroTech III Main Board RAT Return Air Temp Sensor RV Reversing Valve Solenoid X1 Transformer _____ Standard Unit Wiring _ _ _ _ Optional Wiring by others...

Page 32: ...Y2 G C RH RC W2 A I O Expansion Module TB1 MicroTech III Controller Terminal TB2 Programmable Touch Screen Y1 1 Notes Includes thermostat and wall plate Refer to IO manual 910193127 Figure 41 Program...

Page 33: ...132 910193133 910193134 P N 667720401 Sensors used with MicroTech III control Building Automated System Operation Figure 46 Digitally Adjustable Display Sensor 6 button P N 910121754 1 R 2 4 E U 6 5 3...

Page 34: ...10121753 3 2 5 1 4 Figure 51 Adjustable Cool Warm with Occupancy Switch P N 910121753 NOTICE For 50Hz units it may be necessary to install a Ferrite Core Noise Suppresor on the thermostat cord cable w...

Page 35: ...ssory used when up to 3 units are controlled from a single thermostat Typically the control panel and board is centrally mounted between the units and thermostat A maximum of 2 boards may be used toge...

Page 36: ...a water source heat pump operates under a wide range of water and air temperatures the values printed below are to be taken as suggested pressure and temperatures All Daikin water source heat pumps a...

Page 37: ...sure switch Unit is low on charge Table 14 Compressor Suction Temp Fail Room Temp Sensor Fail Leaving Water Temp Sensor Fail Description Type Yellow Green Red Compressor Suction Temp Sensor Fail Fault...

Page 38: ...have a control signal or ready to operate when a control signal is active I O Expansion Module LED Faults For units with optional boilerless electric heat Table 22 Invalid Jumper Configuration Descrip...

Page 39: ...Pressure Circuit 2 Description Type Yellow Green Red Low Pressure Circuit 2 Fault OFF OFF ON Loose wire connection on low pressure circuit Failed low pressure switch Unit is low on charge Table 28 Low...

Page 40: ...Pressure Low Low Air Flow Heating High High High High Low High Low High Pressure Normal Low Air Flow Cooling Low Low Low Low High High Low Low Temp Normal Low Water Flow Heating Low Low Low Low High...

Page 41: ...defective wiring or loose connection Check for faulty compressor capacitor Insufficient cooling or heating Check for lock rotor amp draw Check for defective compressor internal windings with ohm meter...

Page 42: ...n flows as a low pressure gas through the reversing valve and back to the suction side of the compressor to complete the cycle Figure 59 Heating Mode Single Circuit Only Shown Return Air Thermal Expan...

Page 43: ...roTech III unit controller s control or thermostat inputs However only one drive terminal R or C can be connected to any individual input terminal or damage may result Some control inputs are not acce...

Page 44: ...of Air ____________________________________________________________________ Filters Clean _____________________________________________________________________________ Condensate Traps Installed _____...

Page 45: ...be converted to GPM by looking in the equipment specificaton catalog Caution P GPM Note A conversion table must be used to find GPM from Delta P measurements Loop Fluid Temperature Rise Drop through...

Page 46: ...page Model Serial H P EWT 3 LWT 4 EWP 1 LWP 2 EAT 5 LAT 6 Volts Amps Cool ing Check Air Filter and Coil Comments more comments on next sheet 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23...

Page 47: ...Notes Comments Form WS CTS 00 01 Rev 4 14 www DaikinApplied com 47 IM 1049 9...

Page 48: ...ndard terms and conditions of sale including Limited Product Warranty Consult your local Daikin Applied representative for warranty details Refer to Form 933 430285Y To find your local Daikin Applied...

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