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FUNCTION RANGES &

SETTINGS

PARAMETER SETTINGS

FUNCTION

RANGE

FACTORY

SETTINGS

OFF: Desired

Temp Hi

-40 to 212 °F

-40 to 100 °C

120°F

On: Desired

Temp Low

-40 to 212 °F

-40 to 100 °C

30°F

ASd: Anti-short

Cycle Delay

0 - 12 Min

0 min

SF: Sensor

Failure

0= Output De-energized

1= Output Energized

bLL: Back light

Level

0 = off

1-10 = on, varying

brightness

ADVANCED PARAMETER SETTINGS

Un: Temp.

Units

°F and °C

°F

tSb: Temp.

Setback

-50 to 50°F

-30 to 30°C

0°F

So: Sensor

Offset

-5

to 5°F

-3 to 3°C

0°F

HtS: High

Temp. Stop

-40°F -212°F

-40°C - 100°C

120°F

LtS: Low Temp.

Stop

-40°F -212°F

(-40°C - 100°C)

40°F

Some of the A421 controllers settings are

preprogrammed by Nyle before shipment. These

settings along with parameter ranges have been

provided for your reference in the Parameter

Settings table below.

In this mode you can adjust the OFF, On, SF

and ASd Parameters ONLY. Most adjustments

that are needed to run your unit will be

performed in this mode.

Basic Mode Menu:

From the main screen press MENU once. The

screen will display the flashing OFF parameter

indicating that you have entered the menu.

OFF:

This parameter indicates your desired high

temperature. When this temp is reached the unit

will enter a cool down mode until the On value is

reached.

WARNING: Never set above 150°F.

ON:

This parameter indicates your desired low

temperature. When this temperature is reached

the unit will enter heating mode until it reaches

the OFF value again.

BASIC MODE

The A421 control buttons and display operate

the same in both Basic and Advanced mode.

• When in Menu screens the parameters and

values will flash on and off.

• Use the Arrow keys to navigate through all of

the parameters and values

• To select a parameter press MENU

• To save a selected value, press MENU.

This will automatically bring you to the next

settable parameter

• To exit menus and return to the main screen

press both arrow keys simultaneously.

Notes:

If you do not press MENU to save a new

value, the control reverts to the last saved value.

After 30 seconds of inactivity, while in any

screen, the control reverts to the Main screen.

Saved settings remain in the control’s memory

during power interruptions.

SCREEN NAVIGATION

Содержание C125W

Страница 1: ... circuit conductors and connected to the equipment grounding terminal or lead on the water heater AFETY INFORMATION BEEN ncy to t steps heater ervice he unit is turned off prior to opening the control cabinet door er nit ts ed ld or est oil on d ng errors Water temperature over 125 F 52 C can cause severe burns instantly resulting in severe injury or death Children the elderly and the physically o...

Страница 2: ......

Страница 3: ...osed Water Systems 17 Thermal Expansion 17 Mixing Valves 17 Contaminated Water 18 Temperature Pressure Relief Valve 18 Tank Selection 18 Storage Handling 19 Installation 20 Required Tools Materials 20 Installation Startup Tools 20 Service Tools 20 Unit Placement 20 Pad Mounting 20 Electrical Connections 21 Correct Voltage Phase 21 Branch Circuit Disconnect Switch 21 Water Connections 21 Installati...

Страница 4: ... Serial Power Source Controls Blower Fans Suction Valve Size Discharge Liquid Line Condenser Data Evaporator Data Refrigerant Type Model Serial Connection Condition Crankcase Heater Capacitor MFD Low Pressure Switch Cut In Cut Out Tested By Inspected By Date Date Manufacturer Size Part Solenoid Valve Coil Compressor Time Delay Compressor Size Manufacturer Thermal Expansion Valve Part Voltage Refri...

Страница 5: ...5 PB ...

Страница 6: ...6 PB AI0 AI1 I I I I I I ...

Страница 7: ...7 PB ...

Страница 8: ...to avoid possible injury or death WARNING indicates a potentially hazardous situation which if not avoided could result in injury or death CAUTION indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury CAUTION used without the safety alert symbol indicates a potentially hazardous situation which if not avoided could result in property damage All s...

Страница 9: ...ollow proper procedures or the use of non approved refrigerants refrigerant substitutes or refrigerant additives could result in death or serious injury or equipment damage Explosion Hazard Do not use oxygen to purge or pressurize system for leak test Oxygen reacts violently with oil which can cause an explosion resulting in severe personal injury or death Turn off power to the water heater before...

Страница 10: ...OR OPERATE THIS WATER HEATING APPLIANCE INTRODUCTION 8 Detailed installation diagrams are in this manual These diagrams will serve to provide the installer with a reference for the materials and suggested methods of piping IT IS NECESSARY THAT ALL WATER PIPING AND THE ELECTRICAL WIRING BE INSTALLED AND CONNECTED AS SHOWN IN THE DIAGRAMS Particular attention should be given to the installation of t...

Страница 11: ... refrigerant changes state boils evaporates from a liquid state back into a gas vapor in the evaporator The refrigerant flows out of the evaporator through the Suction Line and into the Accumulator The accumulator traps any liquid refrigerant the evaporator is unable to vaporize during low temperature operating conditions The accumulator prevents liquid refrigerant from entering the compressor whe...

Страница 12: ...SOR FILTER DRIER SOURCE WATER OUTLET SOURCE WATER INLET Figure 1 COMPONENT REFRIGERATION CIRCUIT COMPRESSOR CONDENSOR HEAT EXCHANGER RECIEVER FILTER DRIER THERMOSTATIC EXPANSION VALVE TXV EVAPORATOR HEAT EXCHANGER ACCUMULATOR COMPONENT HEATED WATER CIRCUIT HEATED WATER INLET CONDENSOR HEAT EXCHANGER HEATED WATER OUTLET REFRIGERANT STATE GAS GAS TO LIQUID LIQUID LIQUID LIQUID LIQUID TO GAS GAS LIQU...

Страница 13: ...VAC 3Ø 60 Hz OR Optional 460 VAC 3Ø 60 Hz or 400 3 50 Figure 2 PERFORMANCE SPECIFICATIONS ROUGH IN DIMENSIONS GPM 216 450 C270WM 98 Dimensions 27 1 2 28 28 ELECTRICAL SERVICE DOOR REFRIGERATION SERVICE DOOR 34 1 2 3 0 5 11 1 2 C270WM SERVICE AREA 35 1 2 61 1 8 62 3 8 FRONT WATER CONNECTIONS 71 37 375 37 375 42 2 0 2 0 2 0 1 6 A WATER CONNECTIONS B C ELECTRICAL SERVICE DOOR SERVICE AREA FRONT REVIS...

Страница 14: ... many regions For this reason the cold water supply lines and should not be connected directly to the HPWH inlet or T fitted into the inlet return water piping The cold water supply lines should be connected directly to the storage tank only See the Piping Diagrams starting on page 35 in this manual for more information SOURCE WATER TEMPERATURE ENTERING SOURCE WATER TEMPERATURE The entering source...

Страница 15: ...on all other sides RLA LRA MCC FLA MCA MFS C25W 208 230 1 60 17 9 73 0 25 0 16 0 22 4 40 3 208 230 3 60 10 0 63 0 14 0 9 0 12 5 22 5 440 480 3 60 5 0 31 0 7 0 4 5 6 3 11 3 C60W 208 230 1 60 31 0 129 0 44 0 28 2 38 8 69 8 60 3 208 230 3 60 72 7 270 0 79 0 50 6 91 164 380 400 3 50 72 7 270 0 79 0 50 6 91 164 C810WM 208 230 3 60 130 0 560 0 130 0 83 3 163 293 460 3 60 72 7 270 0 79 0 50 6 91 164 380 ...

Страница 16: ...t in death serious bodily injury or property damage The load current rating and the overcurrent protection for these conductors shall not exceed 15 amperes for 14 AWG 20 amperes for 12 AWG and 30 amperes for 10 AWG copper or 15 amperes for 12 AWG and 25 amperes for 10 AWG aluminum and copper clad aluminum For dry locations only See 75 C column for wet locations MINIMUM WIRE SIZE Allowable Ampaciti...

Страница 17: ...f there is a local code or state law requiring a certain water temperature at the point of use then special precautions must be taken In addition to using the lowest possible temperature setting that satisfies the demand of the application a Mixing Valve should be installed upstream from the building fixtures or at the hot water taps to further reduce system water temperature Mixing valves are ava...

Страница 18: ...significantly reduce the efficiency performance of the HPWH unit Before using any solar tank in this application contact your representative or call the toll free technical support number on the back cover of this manual for further assistance TABLE 5 Water Temperature Time to Produce 2nd 3rd Degree Burns on Adult Skin 180 F 82 C Nearly instantaneous 170 F 77 C Nearly instantaneous 160 F 71 C Abou...

Страница 19: ... unless spreader bars are furnished and used as depicted in Figure 4 and Figure 5 The side panels and roof of the unit are not constructed to handle significant force from the sides or above When using a forklift to raise the HPWH unit ensure the forks are positioned correctly between the runners on the bottom of the HPWH unit See Figure 6 The HPWH unit must be lifted from the front side only when...

Страница 20: ...inuity 6 AC amp meter capable of measuring AC amperage up to 200 amps 7 Calculator SERVICE TOOLS See Qualifications on page 10 regarding regulations and certifications required under Section 608 of the Clean Air Act before servicing the refrigeration circuit 1 Refrigeration manifold gauges 2 Refrigeration charging scale 3 Refrigeration vacuum pump 4 Refrigerant recovery machine 5 Refrigerant recla...

Страница 21: ...ure 7 and Figure 8 on page 22 and the Piping Diagrams starting on page 35 as a reference for these instructions INSTALLATION INSTRUCTIONS 1 This HPWH unit is not designed to supply hot water directly to hot water fixtures The HPWH unit must be installed with a separate storage tank as shown in the water piping diagrams in this instruction manual 2 Water lines installed between the storage tank and...

Страница 22: ... VALVE OPENING HOT OUTLET REMOTE TEMPERATURE SENSOR OR MECHANICAL TANK THERMOSTAT COLD INLET INLET RETURN OUTLET SUPPLY STORAGE TANK Figure 7 MULTIPLE TANK PRE HEAT CONFIGURATION When water temperatures above 150 F 66 C are required the HPWH and storage tank are piped in series upstream with a backup water heater See Water Temperature on page 14 The backup water heater will raise the temperature o...

Страница 23: ...install in the mid to lower portion of the tank REMOTE TEMPERATURE SENSOR HPWH BACKUP WATER HEATER STORAGE TANK Figure 10 Do not duct air from a garage or other space where potentially harmful fumes from solvents chemicals or exhaust from automobiles are present into any other space in the building structure Gas and carbon monoxide detectors are available Breathing carbon monoxide can cause brain ...

Страница 24: ...t building recirculation loop piping to the backup water heater storage inlet on multi tank preheat piping configurations 16 Ensure the building recirculation loop pump is controlled by a field supplied line thermostat and that it stops the pump when the recirculation line is hot Your particular system may use the included PLC to control the pump as well 17 When the HPWH unit is installed above th...

Страница 25: ...the spring mounting studs 6 Power up circulator pump and verify water flow through the heat pump heat exchanger s 7 Apply power to the heat pump Confirm power with an electrical meter Check for proper control power should be between 120 to 125 volts Note The control power should be on for 4 to 6 hours so the compressor crankcase heater has time to warm up the base of the compressor 8 Start the hea...

Страница 26: ...ating in the correct direction then your compressor is as well Make sure to turn the power off before switching the phase Confirm there is no power with an electrical meter then make the switch Turn the blower fan motor start off and then turn the power back on Check for power and then turn the blower fan motor starter back on and record the amperage Confirm the rotation is correct The factory tem...

Страница 27: ...e pressure rises when the compressor is energized allows verification of proper rotation direction There is no negative impact on durability caused by operating three phase Copeland Scroll compressors in the reversed direction for a short period of time under one hour but oil may be lost Oil loss can be prevented during reverse rotation if the tubing is routed at least 15 cm above the compressor A...

Страница 28: ..._____ F Only applicable to Water Source Units 9 Source evaporator water temp out Tevapout __________ F Only applicable to Water Source Units 10 Compressor amps per phase Ph1__________ amps Ph2 __________amps Ph3 __________amps 11 Superheat measured prior to accumulator ________ F 12 Sightglass circuit 1 Clear Bubbles 13 Evaporator Pressure _____________psig Saturated Evaporator Temperature SET ___...

Страница 29: ...e Required Tools and Materials on page 18 Turn off power to the water heater before performing any service Electrical Shock Hazard Label all wires prior to disconnecting when performing service Wiring errors can cause improper and dangerous operation Verify proper operation after servicing Failure to follow these instructions can result in personal injury or death 1 Ensure the Installation Checkli...

Страница 30: ...o the Heat Pump Water Heater The control comes with some factory settings The A421 control should never be set higher than 150 F failure to comply could void the warranty Johnson Controls A421 Controller Model A421GBF x Notice Please make sure you are running a Johnson controller pictured above before you continue to the next page If you are running a PLC Programmable Logic Controller skip to the ...

Страница 31: ...e The screen will display the flashing OFF parameter indicating that you have entered the menu OFF This parameter indicates your desired high temperature When this temp is reached the unit will enter a cool down mode until the On value is reached WARNING Never set above 150 F ON This parameter indicates your desired low temperature When this temperature is reached the unit will enter heating mode ...

Страница 32: ... 0 F because it is not applicable to the application of this unit type So Sensor Offset allows for compensation of any difference between the displayed temperature and the temperature being read by the sensor RESTRICTED MODE Lock out You can format your parameters to completely restrict all user adjustment of the control when in restricted mode To do this set the HtS value equal to the OFF value a...

Страница 33: ...33 Evaporator temperature defrost cut in Evaporator temperature defrost cut out 34 F 410 PSI 300 PSI 12 PSI 15 PSI Compressor Anti Short Cycle Delay Compressor Anti Short Cycle Delay 500 sec ...

Страница 34: ...ater HPWH CondFlow Condenser Flow indicates if there is water flowing through the condenser Cond Condenser Temperature indicates the leaving water temperature from the condenser Evap1 Evaporator 1 indicates the evaporator temperature of the first evaporator Evap2 Evaporator 2 indicates the evaporator temperature of the second evaporator only the C250A Air to Water HPWH has two evaporators CTD Comp...

Страница 35: ... has alarmed out on condenser water flow EVAP FLOW 1 BLOWER 1 indicates if unit 1 has alarmed out on evaporator flow M PROTECTION 1 indicates if unit 1 has alarmed out on motor protection OIL PRESSURE 1 indicates if unit 1 has alarmed out on oil pressure ESTOP indicates if the Estop has been pressed TANK1 PROBE STATUS indicates if tank 1 s probe is connected and reading valid data MASTER CONTROL P...

Страница 36: ...ve the desired rise in the desired amount of time 5 If you find that the units are not turning on fast enough to meet building demand change the System Timer to a smaller value in order to have units turn on quicker 6 If you find that too many units are turning on and meeting the building demand very quickly almost in a manner of short cycling you should try increasing the Tank Diff Set value so t...

Страница 37: ... indicates if this unit is connected to a master panel via ethernet if it isn t then it will display a start button Alarm Indicator indicates if there is a system alarm click on the button to see which alarm is currently triggered Defrost Indicator indicates if the unit is in a defrost cycle in a defrost cycle the compressor shuts off and lets the fans run to warm up the evaporator CONFIGURATION S...

Страница 38: ...address is the designation for the unit itself Nyle recommends running the system on factory settings ex 192 168 1 Unit Number AKA 1 Unit IP Subnet This number is used to determine the size of the network the unit is connecting to ex 255 255 255 0 Master IP Address This is the address of the Nyle Systems Master Panel ex 192 168 1 50 Unit Number Only used for custom network configurations this conf...

Страница 39: ...cribed by the application and usage instructions 5 Allow the unit to dry thoroughly 6 If necessary apply an anti microbial agent on the insulation per the instructions provided on the product label 7 Discard collected microbial contaminants as required by local or state codes BRAZE PLATE CLEANING INSTRUCTIONS In some applications the heat exchanger may be subjected to severe fluid conditions inclu...

Страница 40: ...p and storage tank exceeds 50 equivalent feet C heat exchanger has scale buildup D shut off valves are partially closed Thermostat setting should not exceed 150 F Keep heat pump off until room temperature is back in operating range Low water flow corrections replace unit pump reduce piping or add booster pump clean heat exchanger with a mild acid wash open all shut off valves Heat pump is not runn...

Страница 41: ...arge is not necessary unless other conditions warrant testing Short water piping runs between the HPWH and the storage tank will produce lower temperature rises and are not problematic If the measured temperature rise through the HPWH unit is more than 12 F 7 C check for restrictions in the inlet and outlet water piping connected between the HPWH unit and the storage tank SUPERHEAT CALCULATION 1 2...

Страница 42: ...EF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP DRAIN WYE STRAINER FULL PORT BALL VALVE TEMPERATURE GAGE CHECK VALVE TANK OR LINE TEMPERATURE CONTROL WARNING THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS ONE HEAT PUMP SINGLE TEMPERATURE PREHEAT SYSTEM WITH VERTICAL STORAGE TANK AND BACKUP WATER HEATER WITH FORC...

Страница 43: ...ATURE GAGE CHECK VALVE WARNING THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LOCAL CODES AND ORDINANCES FOR ADDITIONAL REQUIREMENTS TANK OR LINE TEMPERATURE CONTROL ONE HEAT PUMP SINGLE TEMPERATURE WITH VERTICAL STORAGE TANK WITH FORCED BUILDING RECIRCULATION FINISHED FLOOR HPWH STORAGE TANK LINE THERMOSTAT TANK THERMOSTAT SUPPLY HOT OUTLET TO FIXTURES OR INLET OF ...

Страница 44: ...ATER SUPPLY LINE THERMOSTAT NOTE CONNECT BUILDING RECIRC RETURN TO INLET OF BACKUP WATER HEATER WHEN PRESENT TANK THERMOSTAT PIPE T P TO OPEN DRAIN RETURN WATER INLET PURGE VALVE SUPPLY WATER OUTLET STORAGE TANK FIELD SUPPLIED PUMP FOR HPWH MODELS WITHOUT FACTORY PUMP HPWH HPWH DRAIN FLUSH VALVES FLUSH VALVES WARNING THIS DRAWING SHOWS SUGGESTED PIPING CONFIGURATION AND OTHER DEVICES CHECK WITH LO...

Страница 45: ...DINANCES FOR ADDITIONAL REQUIREMENTS LEGEND TEMPERATURE PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE CIRCULATING PUMP DRAIN WYE STRAINER FULL PORT BALL VALVE TEMPERATURE GAGE CHECK VALVE TANK OR LINE TEMPERATURE CONTROL TWO HEAT PUMPS SINGLE TEMPERATURE WITH HORIZONTAL STORAGE TANK WITH FORCED BUILDING RECIRCULATION HOT OUTLET TO FIXTURES OR INLET OF BACKUP WATER HEATER BUILDING RECIRCULATION LOOP ...

Страница 46: ... any misuse abuse including freezing or alteration of it any operation of it in a modified form will void this warranty 4 SERVICE REPAIR AND EXPENSE Under this limited warranty the warranter will provide only a replacement heat pump water heater or part thereof The owner is responsible for all other costs Such costs may include but are not limited to a Labor charges for service removal repair or r...

Страница 47: ...No City and State Zip Fill in the following for your own reference Keep it Registration is not a condition of warranty The model and serial number are found on the heater s rating label Nyle Systems LLC 12 Stevens Road Brewer Maine 04412 1 800 777 6953 Sales Ext 216 Service Ext 208 ...

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Nyle C125W, Установка, Эксплуатация, Обслуживание, Техническое обслуживание, Ограниченная гарантия, Страница: 31 / 47

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