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AFETY INFORMATION
GROUNDING INSTRUCTIONS
BEEN
This heat pump water heater must be grounded in accordance
ncy to
with the National Electrical Code and/or local codes. These must
t steps
be followed in all cases. Failure to ground this water heater
properly may also cause erratic control system operation.
heater
This heat pump water heater must be connected to a grounded
ervice
metal, permanent wiring system; or an equipment grounding
User Manual
conductor must be run with the circuit conductors and connected
to the equipment grounding terminal or lead on the water heater.
Geyser C-Series Water
he unit is turned off prior to opening the control cabinet door.
Source Heat Pump Water
er
Heaters
nit
ts,
ed
ld
or
est.
oil,
on
PLACE THESE INSTRUCTIONS ADJACENT TO HEAT PUMP AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.
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 or mentally disabled are at
highest risk for scald injury.
Feel water before bathing or
showering.
Temperature limiting devices such as
mixing valves must be installed
when required by codes and to
ensure safe temperatures at fixtures.
Read and understand this instruction
manual and the safety messages
herein before installing, operating or
servicing this water heater.
Failure to follow these instructions and
safety messages could result in death
or serious injury.
This manual must remain with the
water heater.
Explosion Hazard
Overheated water can cause
water tank explosion.
MODELS C25W-C250W
Installation-Operation-Service
Maintenance-Limited Warranty
FOR INDOOR/OUTDOOR INSTALLATION
Nyle Systems
12 Stevens Rd
Brewer, ME 04412
2018
www.nyle.com
watersales@nyle.com
800-777-6953
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Summary of Contents for Nyle C25W
- Page 1 2018 MODELS C25W-C250W AFETY INFORMATION Installation-Operation-Service GROUNDING INSTRUCTIONS Maintenance-Limited Warranty BEEN This heat pump water heater must be grounded in accordance ncy to with the National Electrical Code and/or local codes. These must t steps be followed in all cases. Failure to ground this water heater FOR INDOOR/OUTDOOR INSTALLATION properly may also cause erratic control system operation.
-
Page 3: Table Of Contents
Table of Contents..........2 Installation............20 Condensed Unit Report........4 Required Tools & Materials.........20 Unit Power Wiring..........5 Installation & Startup Tools........20 Unit Input Wiring...........6 Service Tools............20 Unit Output Wiring..........7 Unit Placement............20 Safe Installation, Use & Service......8 Pad Mounting............20 General Safety Information........9 Electrical Connections..........21 Precautions............9 Correct Voltage &... -
Page 4: Condensed Unit Report
Unit Report Date: Basic Information Company Name: Rep. Firm (If Applicable): Unit Model #: Serial #: Power Source: Controls: Electrical Data Transformer Size: Fuse/Breaker Size: Compressor: Compressor Time Delay: Blower: Fans: Refrigeration Equipment Data Thermal Expansion Valve Part #: Manufacturer: Size: Solenoid Valve Part #:... -
Page 8: Safe Installation, Use & Service
SAFE INSTALLATION, USE AND SERVICE The proper installation, use and servicing of this commercial heat pump water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own heat pump water heater to warn you and others of a potential injury hazard. -
Page 9: General Safety Information
GENERAL SAFETY INFORMATION PRECAUTIONS GROUNDING INSTRUCTIONS DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN This heat pump water heater must be grounded in accordance UNDER WATER. Immediately call a qualified service agency to with the National Electrical Code and/or local codes. These must inspect the appliance and to make a determination on what steps be followed in all cases. -
Page 10: Introduction
INTRODUCTION Thank You for purchasing this heat pump water heater. Properly Detailed installation diagrams are in this manual. These installed and maintained, it should give you years of trouble free diagrams will serve to provide the installer with a reference service. -
Page 11: Principle Of Operation
SOURCE WATER TEMPERATURE RANGE 8. Ensure the power supply voltage and phase at the job site matches the power requirements on the HPWH rating label The entering source water temperature operating range for before installation begins. Energizing the HPWH with the the HPWH is 40°F to 100°F (4°C to 38°C). -
Page 12: Features & Components
FEATURES AND COMPONENTS PRODUCT ILLUSTRATIONS ELECTRICAL PANEL Figure 1 RECIEVER ACCUMULATOR EVAPORATOR CONDENSER (HEAT EXCHANGER) (HEAT EXCHANGER) ACCUMULATOR (WATER TO REFRIGERANT) (REFRIGERANT TO POTABLE WATER) THERMOSTATIC EVAPORATOR COMPRESSOR EXPANSION VALVE (TXV) (HEAT EXCHANGER) (WATER TO REFRIGERANT) SOURCE EVAPORATOR COIL WATER OUTLET (HEAT EXCHANGER) (AIR TO REFRIGERANT) CONDENSER... -
Page 13: Rough In Dimensions
DRAWN 1 OF 1 THE INFORMATION CONTAINED IN THIS MATERIAL <NOT SPECIFIED> DRAWING IS THE SOLE PROPERTY OF REFRIGERATION NYLE SYSTEMS LLC. ANY REPRODUCTION CHECKED FINISH: SCALE: WEIGHT (lbs): IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF NYLE SYSTEMS... -
Page 14: Installation Requirements
INSTALLATION REQUIREMENTS Read all installation requirements in this manual before installation begins. The installation must conform to these instructions and all local and national code authority having jurisdiction. Costs to diagnose, perform service and repair damage caused by installation errors are not covered under the limited warranty. LOCATING THE WATER HEATER Costs to correct installation errors are not covered under the limited warranty. -
Page 15: Clearances
VOLTAGE & AMPERAGE RATINGS Figure 3 TABLE 2 Compressor PUMP MODEL VOLTS/PHAZE/HZ Model Volts/Phase/HZ Figure 3 17.9 73.0 25.0 16.0 22.4 40.3 C25W 208-230/1/60 TABLE 2 10.0 63.0 14.0 12.5 22.5 208-230/3/60 208-230/1/60 16.0 25.0 440-480/3/60 11.3 31.0 COMPRESSOR MODEL... -
Page 16: Minimum Circuit Ampacity & Maximum Fuse Size
MINIMUM CIRCUIT AMPACITY & MAXIMUM FUSE SIZE Table 2 on page 15 provides the MCA (Minimum Circuit Ampacity) and MFS (Maximum Fuse Size). Use MCA to select the minimum field wires size to power the unit and MFS to select the maximum fuse size for over current protection as follows: Electrical Shock Hazard Where:... -
Page 17: Water Piping
WATER CONNECTIONS AND FLOW Children, the elderly and the UNIT CONNECTION SIZE (INCH) physically or mentally disabled are at ¾" C25W highest risk for scald injury. 1" C60W Feel water before bathing or C90W 1.5"... -
Page 18: Contaminated Water
TABLE 5 connected to the storage tank. If more than one water heating appliance is connected to the storage tank the aggregate total Time to Produce 2nd & 3rd Water Temperature of all heating input ratings of all connected appliances must be Degree Burns on Adult Skin factored when choosing a T&P valve for the storage tank. -
Page 19: Storage & Handling
Potentially harmful fumes and vapors could be introduced into occupied spaces. See Unit Placement on page 18. STORAGE & HANDLING SPREADER HEAVY OBJECT! All Heat Pump Water Heaters (HPWHs) covered by this manual are beyond the safe lifting weight for one person. Use SIDE proper conveyance equipment to move the unit for storage or during installation. -
Page 20: Installation
INSTALLATION REQUIRED ABILITY UNIT PLACEMENT Installation and service of the HPWH unit requires ability Whether replacing existing water heating equipment or installing equivalent to that of a qualified agency i n t he field involved. the HPWH in new construction, the following critical points must Plumbing, ducting electrical... -
Page 21: Electrical Connections
ELECTRICAL CONNECTIONS CAUTION WATER CONNECTIONS CORRECT POWER SUPPLY! • Ensure the power supply at the job site matches the voltage and phase listed on the HPWH rating label before connecting power to the HPWH unit. Water piping must be installed in accordance with the instructions •... -
Page 22: Single Tank Configuration
15. All components in the hot water supply system must be Purge Valve or T&P adequately sized to meet peak water flow requirement (purge air from system) 16. When the HPWH unit is installed above the storage tank install a Tee fitting at a high point in the outlet water line leaving the unit. -
Page 23: Temperature Sensor Installation
TEMPERATURE SENSOR INSTALLATION The HPWH unit is shipped from the factory with a Digital Tank Thermostat that includes a Temperature Sensor: Breathing Hazard - Carbon Monoxide Gas 1. Secure the Temperature Sensor inside a Sensor or Thermal Do not duct air from a garage or other Well . -
Page 24: Installation Checklist
INSTALLATION CHECKLIST The list below represents some of the most critical installation requirements that, when overlooked, often result in operational 15. Connect building recirculation loop piping to the backup problems, down time and needless parts replacement. This water heater/storage inlet on multi tank preheat piping is not a complete list. -
Page 25: Pre-Startup Checklist
9. There are Fan, (or Blower, if so equipped), Direction stickers, mounted on each unit. It may be helpful to record the operating data initially every 10 to 15 minutes just to see how the heat pump is performing. 12 Stevens Drive, Brewer, ME 04412 l (800)777-6953 l info@nyle.com l www.nyle.com... -
Page 26: Phase Startup Procedures
3 Phase Startup Procedures Make sure the disconnect is off and confirm there is no power on the distribution block on the electrical panel. Pull Compressor fuses. Trip the blower/fan motor starter. Turn power on. Check and make sure the power at the distribution block is the same as the ... -
Page 27: Initial Startup
Initial Start-Up CAUTION OIL DILUTION! Bearing malfunction! It is important to ensure that new compressors are not subjected to liquid abuse. Turn the crankcase heater on 6 hours before starting the compressor. CAUTION High discharge pressure operation! Compressor damage! Do not use compressor to test opening set point of high-pressure cut- out. -
Page 28: Startup Checklist
Start Up Check List Job#_______________Model#___________________Ser#__________________ Date_______ 1. Check all wire connections for tightness: OK? □ 2. Verify correct voltage Voltage = ________VAC 3. Verify water flow rates Evap. Flow________gpm Cond. Flow________gpm 4. Run unit at 100% capacity for a minimum of 15 min. OK? □... -
Page 29: Startup
START UP This start-up refers to several tools and test instruments needed flow is decreased the temperature rise will increase and as to complete the procedure. See Required Tools and Materials water flow is increased the temperature rise will decrease. on page 18. -
Page 30: Electronic Temperature Controls
ELECTRONIC TEMPERATURE CONTROLS CONTROLLER The Geyser C-series comes standard with a Johnson Controls A421 Model # A421GBF-x controller. This control is used to control the water temperature in the tank by supplying a call signal to the Heat Pump Water Heater. -
Page 31: Functions Ranges & Settings
Notes: If you do not press MENU to save a new Some of the A421 controllers settings are value, the control reverts to the last saved value. preprogrammed by Nyle before shipment. These settings along with parameter ranges have been After 30 seconds of inactivity, while in any provided for your reference in the Parameter screen, the control reverts to the Main screen. -
Page 32: Advanced Mode
This parameter is set to 0 min Switching the Controller to Restricted Mode will because Nyle units come equipped with prevent users from adjusting most or all of the safety timers already in place. -
Page 33: Programmable Logic Controls
Evaporator temperature defrost cut-in 34°F Evaporator temperature defrost cut-out 410 PSI 300 PSI 12 PSI 15 PSI Compressor Anti-Short Cycle Delay 500 sec Compressor Anti-Short Cycle Delay... -
Page 34: Master Screens
MASTER SCREENS MASTER PANEL CONFIGURATION SCREEN MASTER PANEL HOME SCREEN TERMINOLOGY HOME SCREEN “LP” – Low Pressure: indicates the suction line pressure on the low side of the system “HP” – High Pressure: indicates the discharge line pressure on the high side of the system “LLSV”... -
Page 35: Configuration Screen
Indicator Box – indicates if the unit has been called to “TANK1 PROBE STATUS” – indicates if tank 1’s probe is run (green means run, red means on standby) connected and reading valid data Heat Call – indicates if the master is calling units to MASTER CONTROL PANEL run to meet building demand (green means run, red means on standby) -
Page 36: Slave Screens
4) The master controls will keep reevaluating these conditions and calling units as necessary to achieve 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”... -
Page 37: Single Unit Ip Address Config Screen
Defrost Indicator – indicates if the unit is in a defrost SINGLE UNIT IP ADDRESS CONFIGURATION cycle (in a defrost cycle the compressor shuts off and lets the fans run to warm up the evaporator) SCREEN (FOR USE CONTACT NYLE) CONFIGURATION SCREEN “TempDiff” – Temperature Difference: sets the TERMINOLOGY temperature difference below setpoint where the unit will turn on (only available if the unit isn’t in... -
Page 38: Stop Screen
(ex. STOP SCREEN 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 configures your Nyle unit to connect to a Master Panel under a desired number. -
Page 39: Maintenance & Service
MAINTENANCE AND SERVICE BRAZE PLATE CLEANING INSTRUCTIONS CLEANING INTERNAL INSULATION In some applications the heat exchanger may be subjected to Inspect the internal insulation on a yearly basis for any microbial growth. The insulation never has to be cleaned unless microbial severe fluid conditions, including high temperture hard water growth is detected. -
Page 40: Troubleshooting
TROUBLESHOOTING PROBLEM POSSIBLE CAUSES CORRECTIONS 1. Sheet metal fasteners are loose. Tighten fasteners. 2. Operating vibration transferring floor Heat pump is too noisy. Place vibration dampeners underneath unit. building structure. 1. Tubing, valves, or fittings are leaking. Repair leaks as necessary. Shim unit to level. - Page 41 CHECKING REFRIGERANT CHARGE Servicing of the refrigeration circuit must only be performed by agencies or individuals possessing Type II or Universal certification as defined in Section 608 of the Clean Air Act. See TABLE 9 Qualifications on page 8. This HPWH unit is factory charged with 134a refrigerant. See the MODEL FACTORY CHARGE R134A rating label on the HPWH unit and Table 9 for refrigerant charge...
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Page 46: Limited Warranty
LIMITED WARRANTY COMMERCIAL HEAT PUMP WATER HEATERS Nyle Systems, the warrantor, extends the following LIMITED WARRANTY to the original owner of this commercial heat pump water heater subject to the terms, conditions and disclaimers stated below: 1. COMPRESSOR If the 5-Year Extended Compressor Warranty is purchased, and if within FIVE (5) years after delivery of this heat pump water heater the compressor shall prove, upon examination by the warrantor, to be defective, the warrantor will provide a replacement compressor. - Page 47 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. Model No. Serial No. Date Installed Dealer’s Name Dealer’s Address Phone No. City and State Nyle Systems, LLC 12 Stevens Road Brewer, Maine 04412 1-800-777-6953 Sales: Ext 216 Service : Ext 208...
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