Stulz CyberRow CW Series Installation, Operation And Maintenance Manual

Row-based precision air handlers 26 kw - 53 kw / 60 hz

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CyberRow CW

Installation, Operation and Maintenance Manual

Row-Based Precision Air Handlers

26 kW - 53 kW / 60 Hz

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Page 1 CyberRow CW Installation, Operation and Maintenance Manual Row-Based Precision Air Handlers 26 kW - 53 kW / 60 Hz...
Page 2 No part of this document may be photocopied, reproduced, or translated into another language for use by anyone other than the owner of the equipment for which this manual is written without the prior written consent of STULZ Air Technology Systems, Inc. (STULZ).
Page 3: Table Of Contents
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual TABLE OF CONTENTS Introduction .........1-1 2.8.2.2 Remote Temperature/Humidity Sensor ...2-9 2.8.2.3 Remote On/Off Control .......2-10 General ............1-1 2.8.2.4 Remote Power Off ........2-10 Product Description ........1-1 2.9. Chilled Water System Preparation ....2-10 Product Warranty ..........1-2...
Page 4 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual TABLE OF CONTENTS (Continued) Component Replacement ......5-5 5.3.2.1 Humidiﬁ er Cylinder Replacement ....5-5 5.3.2.2 Filter Replacement ........5-6 5.3.2.3 Fan Replacement ..........5-6 5.3.2.4 Condensate Pump Replacement ....5-6 Product Support ........6-1 Technical Support ..........6-1 Obtaining Warranty Parts ......6-1...
Page 5: Introduction
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual INTRODUCTION The CyberRow system captures high temperature (hot aisle) discharge air from adjacent rack-based IT equipment and reintroduces it as conditioned air 1.1 General through the front of the unit (cold aisle).
Page 6: Product Warranty
Network partners in coverage areas. STULZ Precision Cooling equipment STULZ’ obligation under this warranty is to repair or replace, at its option, any part or parts which are determined by STULZ to be defective for a period of 24 months from the date of Factory Authorized Start-up.
Page 7: Safety
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 1.4 Safety CAUTION 1.4.1 General The unit must be kept in its normal installed position. If the unit is not kept level and vertical, STULZ Air Technology Systems, Inc. uses NOTES along damage may result.
Page 8 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual CAUTION WARNING The air-intake and discharge areas must be free This unit is fed by incoming power wires. Even of obstructions. Ensure access panels are secure with the service disconnect switch in the “Off”...
Page 9: General Design
1.5 General Design The STULZ CyberRow unit is housed in a steel frame cabinet rated for indoor use. The exterior of the cabinet is coated with a powder coat ﬁ nish to protect against corrosion. Removable access panels are located on the front and rear of the cabinet for easy access to all components.
Page 10: Circuit Breakers/Motor Start Protectors
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual SUPPLY / RETURN PIPE TRANSITION PLATE DISCONNECT SWITCH EC FAN (3) HUMIDIFIER CW VALVE HUMIDIFIER DRAIN HINGED ELECTRIC BOX COVER PUMP TEMPERATURE SENSORS (HIDDEN FROM VIEW) COIL AIR FILTERS T/H SENSOR...
Page 11: Temperature/Humidity Sensors
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual will not produce AC inverter whine. Operation of the humidiﬁ er’s ﬁ ll and drain cycles is based on water conductivity and is maintained by the During start up, the fans begin operating in stages on-board humidiﬁ...
Page 12: Installation
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual INSTALLATION handling the weight of the equipment. For reference, a weight table is provided on the installation drawing. Unbolt the shipping support brackets from the skid, 2.1 Receiving the Equipment...
Page 13: Site Preparation
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 2.3 Site Preparation STRUCTURE R-VALUE Ceiling R-38 Removable access panels are located on the front and Wall R-21 rear of the CyberRow cabinet for easy service access. In order to have full service access to the internal...
Page 14: Air Distribution
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual NOTE 2.5 Air Distribution Placement of air barriers between the cold aisle/ Air from the hot aisle is drawn into the rear of the hot aisle is important. If the supply discharge CyberRow cabinet and passes through the ﬁ...
Page 15: Optional Equipment (Field Installed)
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 2.6 Optional Equipment (Field Installed) 2.6.2 Remote Temperature/Humidity Sensor Depending on the type of control selected, the temper- NOTE ature/humidity (T/H) sensor may be factory mounted or Do not mount any optional equipment on the shipped loose for ﬁ...
Page 16: Cw Cooling
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 2.7 CW Cooling The system utilizes a chilled water source to provide coolant to the cooling coil in the A/C unit. When the hot aisle air temperature rises to the CW cut-in setpoint plus dead band, the controller opens the modulating CW control valve proportionally to the demand for cooling (see Figure 5).
Page 17 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual For pipe connection sizes, refer to the following table: NOTE Chilled water lines should be insulated to prevent PIPE CONNECTION SIZES condensation from forming on the pipes if ambient dew point temperatures are higher than Chilled Water Condensate the ﬂ...
Page 18: Condensate Drain Line
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 2.7.1.2 CW Supply and Return Piping Connections- 24” Cabinets FEMALE PIPE THREADS SCHRADER VALVES SCHRADER VALVE CONDENSATE DRAIN- 1/2” FPT CONDENSATE DRAIN- 1/2” FPT PUMP PUMP MALE PIPE THREADS TOP ACCESS PIPING BOTTOM ACCESS PIPING 2.7.2 Condensate Drain Line...
Page 19: Utility Connections
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Drain water must be directed to an appropriate place such as an open building drain. Include an air gap per local and national plumbing codes. The humidiﬁ er requires normal tap water as the water supply.
Page 20: Optional Equipment
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 2.8.1.3 Three-Phase Units WARNING Three-phase units are designed to have the L1, L2 and Verify power is turned off before making con- L3 supply wires connected to corresponding L1, L2 and nections to the equipment.
Page 21: Remote On/Off Control
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 2.8.2.3 Remote On/Off Control 2.10 Settings and Adjustments The unit is provided with a means to remotely turn off 2.10.1 Chilled Water Circuit the air conditioning system via a control input signal In a chilled water A/C unit, cooling is maintained by to the system controller.
Page 22: Start-Up/Commissioning
(see Figure 8). (adjustable). The middle fan is turned on 1st, then the Operating instructions for the E² controller are provided upper fan, then the lower fan. The STULZ logo in the in Section 4.0. display is replaced with a blower symbol.
Page 23: E² Controller
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.0 E² CONTROLLER General 4.1.1 Features The advanced microprocessor based, E 2 Series controller 4.1.1.1 Field Conﬁ gurable is a highly versatile and ﬂ exible A/C system controller. It is The program for the E 2 Series controller is ﬁ...
Page 24: Figure 8 User Interface Display Panel
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.1.1.5 A/C Grouping pLAN Operation 4.1.2.1 Function Keys Multiple A/C system controllers can be connected (grouped) to a pLAN local network via an RS-485 connection, allowing FUNCTION the communication of data and information from each controller to a central control terminal or Lead controller.
Page 25: Figure 9 Controller I/O Module
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.1.4 BMS Interface 4.1.3 Controller I/O Module The E 2 series controller may incorporate a BMS network The controller is a microprocessor based I/O module mounted card with a communication port (Figure 10). This can be inside the A/C system electric box (see Figure 9).
Page 26: Navigating Controller Display Screens
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Navigating Controller Display Screens 4.2.1 Menu Selection When the desired menu is centered in the screen with bold The E 2 Series controller provides ﬁ ve user selectable menus capital letters and an arrow...
Page 27 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.2.3 Display Variables the cursor through the various modiﬁ able ﬁ elds of the display screen eventually returning to the ﬁ rst ﬁ eld. The user interface display panel provides screens with three (3) different forms of both the read only and the modiﬁ...
Page 28: System Operation
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.2.6.1 Password Protected Screens 4.2.6.2 Wrong Password Upon ﬁ rst attempting to select a secure menu in a given session, the "Enter Password" screen will be displayed. This screen displays the current security level authorized.
Page 29 Following a 45 second time delay (to allow the valve to fully open) the fans are allowed to begin operating. 5. The STULZ logo in the display is replaced with a blower symbol. The fans begin operating in stages with ﬁ ve second time delays.
Page 30: Setpoint Adjustment
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.3.1 Setpoint Adjustment 6. From the Temperature setpoint screen, select the Humidity Setpoint screen by scrolling with the Up ( ) or 1. From the Main screen, access the Main Menu screen Down ( ) arrow key.
Page 31: Alarms
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.3.2 Alarms 4.3.2.3 Custom Alarms A custom (user conﬁ gured) alarm is activated upon As programmed into the system controller, an alarm detection of one or more programmed alarm conditions condition activates the summary alarm logic which as set by the operator in the Service>Options>Custom...
Page 32: Controller Operation
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.4 Controller Operation The E ² Series controller is designed to control an air conditioning system in a space or process application to temperature and humidity levels as deﬁ ned by the user. Conditioned air is supplied to the space as needed to maintain the temperature/humidity control set points.
Page 33 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual The E 2 controller continually analyzes the demand for 4.4.2 Control Methods cooling, humidifying and dehumidifying against the control System operation depends on the controller's programmed set points and determines the appropriate response (control operating conﬁ...
Page 34: Figure 13 Dewpoint Control
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Actual Temp/RH (Dewpoint) Setpoint Cool Only- No Humidiﬁ cation Needed Psychrometric Chart Figure 13- Dewpoint Control 4.4.3 Operating Conﬁ gurations 4.4.3.2 Humidifying If this option is selected (available on CRS-180 units only), The operating conﬁ...
Page 35 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual or humidifying. A dehumidiﬁ cation fan speed setting is method, the controller continually monitors supply air used when the system is in the dehumidiﬁ cation mode. The conditions for each fan zone (upper, middle and lower) speed settings are adjustable in the Service>Blower>Blower...
Page 36: Menu Screens
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual (switch or relay). In an emergency, the circuit may be 4.5 Menu Screens opened to disconnect control power from the A/C unit 4.5.1 Main Menu to stop operation, bypassing delay timers so the chilled water valve, fans, etc.
Page 37: Information Menu Loop
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.5.2 Information Menu Loop MAIN MENU The Info menu screens may be accessed from the Main screen by simply scrolling Factory with the Up ( ) and Down ( ) arrow keys. The same screens may also be viewed if...
Page 38 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Information Menu Screen Lock Feature (Continued from previous You may lock the status display screens, bypassing the display screen time-out function. page) Sometimes it is useful to maintain visibility to a speciﬁ c screen when testing, making adjustments or troubleshooting the system.
Page 39 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Information Menu (Continued from previous page) 4.5.2.10 CW Valve Status This screen displays "Req", the value of the analog output signal (0 to 100%) that CW Valve Status controls the position of the CW valve and it displays "Act", the approximate position...
Page 40: Alarm Log
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Information Menu * See Note 4.5.2.13 Dual Power Dual Power Dual Power option. If the controller is conﬁ gured for Dual Power operation (Section 1.6.6), A/Preferred power a display screen shows the status of the power sources. OK indicates the controller senses B/Alternate power that the sources of power are available.
Page 41: Filter Replacement
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual grammed to activate the “User Conﬁ gured” alarm relay contacts. 4.5.3.2 Non-Critical Alarms Critical Alarms will coincide with automatic shut down of A Non-Critical alarm will activate the alarm screen with the A/C unit(s) equipment as needed to prevent possible which it is associated.
Page 42: Control Menu Loop
03/07/06 3.4 cycles/s 285ms Press ( ) Key Two Version screens are provided for information only. They show controller hardware and software details that are useful to STULZ Product Support if technical assistance is needed. ( Dec. , 2013) 4-20...
Page 43 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Control Menu 4.5.4.1 Setpoint Screens Fan Control Fan links: None CONTROL Upper Fan Spd Ctrl: Version Var frm Avg Mid Fan Spd Ctrl: Var frm Avg Lower Fan Spd Ctrl:...
Page 44 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Control Menu Following the alarm enable screens are the alarm offset Temperature Alarm screens. From these screens you may adjust offsets for the Low alarm Enable:Yes high and low alarm set points at which the alarm will be Set Point 60.0°F...
Page 45 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Control Menu 4.5.4.2.1 Dirty Filter Timer Dirty Filter Alarm Enable: Yes Days between ﬁ lter change alarms: This screen allows you to enable the dirty ﬁ lter notiﬁ cation timer which provides an alarm indication when it's time to clean or change the air ﬁ...
Page 46: Service Menu Loop
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu 4.5.5 Service Menu Loop 4.5.5.1.1 CW Cooling Status MAIN MENU CW PI Status Control CW Prop Band: 3°F CW Int Time: 180sec CW Dead Band: 0°F SERVICE min deltaT: 2.0°F...
Page 47 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu The following screen is used to set a maximum position Sensor Offsets Sensor Offsets Return Air Temp for the CW valve opening in the dehumidiﬁ cation Return Air Humidity...
Page 48 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu that allows access to the Factory menu and for guidance on 25%- Zone 75%- Zone Minimum Maximum setting the PI control values. 100% 4.5.5.5.2 Temp Zone Set Up...
Page 49 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu to select the control method. 4.5.5.6.3 T/H Offset Scaling Standard = Temperature/Humidity Control T/H Offset Multiplier Dewpoint = Dewpoint Control Temperature Scale Humidity Scale <Reserved> = For future use. DO NOT select this control method.
Page 50 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu enable a periodic ﬂ ushing of the CW coils with the control reach the minimum open position entered, a ﬂ ush cycle will valve open at 100%. This is used to remove any sediment occur when the interval since the last ﬂ...
Page 51 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu Alarms 1 to 8 Alarms 9 to 16 Description mask Default Description mask Default Upper Fan alarm Filter alarm Lower fan alarm Fire/Smoke alarm Middle fan alarm Water detection alarm...
Page 52 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu 4.5.5.6.8 Work Group Screens 4.5.5.7 Digital In The Service>Group display screens shown below only SERVICE appear if two or more units are wired together as a group. Options They allow you to conﬁ...
Page 53 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu 4.5.5.9 BMS Communication SERVICE Run Hours BMS COMM Save Cfg Press Enter BMS Communications Address: Baud Rate: 19200 Protocol: BACnet BMS keep alive: The Service>BMS Comm menu is used to set up parameters to allow a BMS (BAS) to interface with the controller.
Page 54 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Service Menu The table that follows are the Factory default parameters. Table 1- Factory Default Parameters PARAMETER DEFAULT VALUE UNIT RESPONSE Temperature Setpoint 72.0° F Controller begins sending proportional signal to CW valve at 72.0°...
Page 55: Communication With The Controller
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.6 Communication With The Controller the controller is the group lead, it will be indicated in the bottom ﬁ eld also. It is possible for the E² controller to communicate in multiple ways.
Page 56: Confi Guring A Work Group
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual "No_Rot" appears after the duty assignment displayed in The rotation time period is typically 1 week, however it may the main screen. be set by the user via the Factory menu.
Page 57 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual The Display Address Changed screen will appear indicating the display Display address address selected is not the same as the one saved previously and the changed new value will be saved to the permanent memory.
Page 58 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 7. The Priv/Shared column indicates the type of terminal. The workgroup is setup using private terminals. Do not change the value (“Pr”). Press the ( ) key to move to the last ﬁ eld 8.
Page 59 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.6.2.6 Conﬁ gure Work Groups The Factory>Group menu screens allow you to deﬁ ne grouping parameters (duty, rotation, offsets, etc) for the A/C units in the work group. These screens should be accessed after setting up the work groups (Section 4.6.2).
Page 60 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Group Rotation Factory>Group>Group Rotation (Screen 2) Force Rotation Number of Days Hour of Day Cur lead 1 Rot Unit 0 Next lead 0 Value 0 From this screen you may set the schedule to rotate operation of the A/C units to promote equal run times.
Page 61 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Capacity Assist Assist Time 300s Factory>Group> Capacity Assist (Screen 3) Cooling Cut in 1.0° Cut out 0.0° Each A/C unit in the group may be assigned local cut-in and cut-out set points for it's capacity assist operation. The values entered are offsets which are applied to the control set points established at the lead controller.
Page 62: Alarms 1 To
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Group Averaging Factory>Group>Group Averaging (Screen 5) Use unit sensors when in Standby or Assist for Group Averaging Temp/Hum Sensors Static Pr Sensors This screen may also be accessed in the Service>Options>Group Setup menu (see Section 4.6.2.7.5).
Page 63: High Water Temperature Cw1
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Group Alarms 17 to 24 Group Alarms 25 to 32 Description mask Default Description mask Default High temperature Upper temp sensor Low temperature Middle temp sensor High humidity Lower temp sensor...
Page 64 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Group Status Factory>Group>Group Status (Screen 8) Running Active Standby Assist Online Out of Service This screen provides an overview of the current duty status for all the A/C units combined in the group.
Page 65 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.6.2.7 Service>Options>Group Menu Screens Accessed in the Service menu, the Service>Options>Group Setup screens only appear if two or more units are wired together as a work group. 4.6.2.7.1 Group Setup 4.6.2.7.4 Group Sensors...
Page 66 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.6.2.8 Information Menu Group Menu Screens The following display screens appear in the Information menu loop (Section 4.5.2.8) if two or more units are wired together as a group. They display key operating parameters for grouped A/C units.
Page 67: Bms Communication
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.7 BMS Communication 4.7.1 Direct BMS Control The controller may be conﬁ gured to accept proportional When BMS communication is utilized, the controller must analog signals that mimics a sensor. The controller will act...
Page 68: Troubleshooting The Control I/O Module
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.8 Troubleshooting the Control I/O Module Signal LED's The E 2 control I/O module includes 3 signal LED's (red, yellow and green) that provide information on the operation of the control I/O module and status of the connection to the pLAN.
Page 69 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4.9 BMS Parameters, Version 1.3 Supported Speed Media Connection Notes Protocols BACnet over IP 10 Mbps 10BaseT RJ45 direct unit connection Uses BMS addresses BACnet over 10 Mbps 10BaseT RJ45 direct unit connection...
Page 70: Description Mask Default
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual BMS Parameters, Version 1.3 (cont.) Modbus BACnet Read/ Description Default Address Address Address Write Superheat valve A Discharge superheat Motor current Setpoint discharge superheat 35.0 Setpoint discharge temperature 105.0 Condensing pressure...
Page 71: Moisture Alarm
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual BMS Parameters, Version 1.3 (cont.) Modbus BACnet Description Default Direction Address Address Address 1027 Cooling analog output 1028 Fan link control (0 to 4) See 4.9.2.1 1028 Lower fan speed control (0 to 2) See 4.9.2.1 1029 Middle fan speed control (0 to 2) See 4.9.2.1...
Page 72: Filter Alarm
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual BMS Parameters, Version 1.3 (cont.) Modbus BACnet Description Default Direction Address Address Address Inverter status Autotuning status Emergency shutdown Remote shutdown Customer alarm 1 Airﬂ ow alarm Filter alarm Fire/Smoke alarm...
Page 73: Dx1 Discharge Pressure Fail
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual BMS Parameters, Version 1.3 (cont.) Modbus BACnet Description Default Direction Address Address Address Remote temperature sensor failure alarm Remote humidity sensor failure alarm EWT1 temperature sensor fail LWT1 temperature sensor fail...
Page 74 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual BMS Parameters, Version 1.3 (cont.) Sensor Failures 1 Sensor Failures 2 Return temperature Reserved Return humidity Reserved Static air pressure Reserved Suction pressure Reserved Suction temperature Reserved Discharge pressure Reserved...
Page 75 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual BMS Parameters, Version 1.3 (cont.) Digital Outputs 1 Digital Outputs 2 Pump enable Reserved Custom alarm 2 Reserved Custom alarm 3 Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved...
Page 76: Maintenance
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual MAINTENANCE 5.1.1 Filters The ﬁ lter is usually the most neglected item in an air 5.1 Periodic General Maintenance conditioning system. To maintain efﬁ cient operation, the ﬁ lter should be checked every month and cleaned Systematic, periodic general maintenance of the or replaced as required.
Page 77: Figure 17 Cartridge Filters
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 5.1.1.2 Cartridge Filters Disposable pleated cartridge ﬁ lters are held in place by an end cap in the bottom of the rear access panel. Lay the access Rear Access panel down on a piece of cardboard or Panel padded surface.
Page 78: Troubleshooting
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 5.2 Troubleshooting Turn off all power to the unit before conducting any troubleshooting procedures, unless the procedure speciﬁ cally requires the system to operate. For troubleshooting purposes, the system may be operated with the electric box open by using a pair of channel lock pliers to turn the shaft of the main power disconnect switch to the “On”...
Page 79 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual SYMPTOM PROBABLE CAUSE RECOMMENDATION EC Fan(s) Fail to Start f. No control signal to fan(s). Check the Control I/O Board for a 0-10 (cont.) VDC control signal to the fan(s). Refer to the electric drawing to determine the correct I/O board terminal numbers.
Page 80: Field Service
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Field Service 5.3.2 System Repairs/Component Replacement NOTE Turn off power to the unit at the main power Do not attempt to make repairs without the disconnect switch when repairing, removing and proper tools.
Page 81 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual 4. Fashion a jumper wire and install it across the 16. Push the “On-Off-Drain” switch to the “On” terminals on the Air Flow Switch (F40). position. 17. Turn the main power disconnect switch to the On position.
Page 82: Fan Replacement
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual with the inlet ring from the cabinet. Remove the 5.3.2.2 Fan Replacement mounting bracket from the old fan and install it on The EC Fans are located behind the front access panel.
Page 83: Product Support
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual PRODUCT SUPPORT warranty parts and must be received prior to 2:00 p.m. for same day shipment. The purchase order must contain STULZ provides its customers with Product Support which the following items: not only provides technical support and parts but the •...
Page 84 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual NOTES (Dec., 2013)
Page 85: Appendix A - Forms
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Frederick, Maryland USA 21704 STULZ CyberRow Series Telephone: (301) 620-2033 Facsimile: (301) 620-1396 APPENDIX A - FORMS STULZ Air Technology Systems Inc. Frederick, Maryland USA 21704 Telephone: (301) 620-2033 Facsimile: (301) 620-1396 Checklist for Completed Installation ...
Page 86: Periodic General Maintenance Checks And Service Checklist
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Frederick, Maryland USA 21704 Telephone: (301) 620-2033 STULZ CyberRow Series Facsimile: (301) 620-1396 Periodic General Maintenance Checks and Services Checklist Date: _______________________________ Prepared By: _______________________________ Model Number: __________________ Serial Number:...
Page 87: Appendix B - Glossary
STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Appendix B – Glossary Deﬁ nition of Terms and Acronyms STULZ - STULZ Air Technology Systems, Inc. MAX FUSE - Maximum Fuse BTU/Hr - British Thermal Units Per Hour MCA -...
Page 88 STULZ CyberRow Chilled Water Series Installation, Operation & Maintenance Manual Production Facilities: U.S.A. • Germany • Italy • China • India ® STULZ mission is to be the premier provider of STULZ Air Technology Systems, Inc. 1572 Tilco Drive, Frederick, Maryland 21704 energy efﬁ...

Stulz CyberRow CW Series Installation, Operation And Maintenance Manual

Table of Contents

1 Introduction

2 Installation

3 Start-Up/Commissioning

4 E² Controller

Alarms 1 To/Description Mask Default

Alarms 1 to

Bit

Mask Default

Return Humidity Sensor Fail 16

Reserved

Static Air Pressure Sensor Fail 64

Flow Switch

Customer Alarm

DX1 Discharge Pressure Fail

5 Maintenance

6 Product Support

Appendix A - Forms

Appendix B - Glossary

Quick Links

Chapters

Troubleshooting

Need help?

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Summary of Contents for Stulz CyberRow CW Series

Table of Contents