Table of Contents
Related Manuals for Daikin IOM 1062
Summary of Contents for Daikin IOM 1062
- Page 1 Installation, Operation, and Maintenance Manual IOM 1062 Group: Chiller Part Number: 331375001 Effective: January 2010 Supersedes: IOM AFSD-2 Direct Drive Fluid Coolers Type AFS 005 through AFS 107 Type AFD 046 through AFD 212...
-
Page 2: Table Of Contents
Maintenance ......................30 Cleaning Instructions........................30 Manufactured in an ISO certified facility ©2010 Daikin. Illustrations and data cover the Daikin product at the time of publication and we reserve the right to make changes in design and construction at anytime without notice. - Page 3 IOM 1062 Direct Drive Fluid Coolers...
-
Page 4: Product Offering
G = Copper Fins Only (not available on 5 or 6-fan length models) H = Copper Fins with totally enclosed motors and Sealtite wiring Circuit Feed Option Equals the number of feeds (from the header to the first pass of tubes) from capacity tables. Direct Drive Fluid Coolers IOM 1062... -
Page 5: Introduction
Check the unit’s serial plate before unloading the unit to be sure that it agrees with the power supply available. Physical damage to unit after acceptance is not the responsibility of Daikin. Handling Note: Installation and maintenance are to be performed only by qualified personnel who are familiar with local codes and regulations, and experienced with this type of equipment. -
Page 6: Unit Location
Do not install unit where exhaust or ventilation equipment will affect entering air temperature or foul coils. Holding Charge The unit is shipped with a holding charge of dry nitrogen under nominal pressure. Direct Drive Fluid Coolers IOM 1062... -
Page 7: Sound Vibration
AFD = 4 ft. 1 IN. MIN. minimum clearance, and must not be higher than the top of unit. If these requirements are not met, unit must be installed as indicated for "Units in Pits". IOM 1062 Direct Drive Fluid Coolers... -
Page 8: General
Shut-off valves are also recommended at water cooled condensers in case the condensing unit is to be moved or requires maintenance involving the coolant system. Direct Drive Fluid Coolers IOM 1062... - Page 9 CONDENSER REFRIGERATION COMPRESSOR CHILLED WATER EVAPORATOR WATER CHILLER HEAT EXCHANGER FOR SUPPLEMENTAL FREE COOLING NOTE: Isolation valves, vents, drains and other piping specialties are not shown, but are required for a fully operational system. IOM 1062 Direct Drive Fluid Coolers...
-
Page 10: Glycol Charge
Pumps are selected for piping friction loss plus fluid pressure drop through the dry cooler coil, plus pressure drop through the heat source. No allowance for vertical lift is made since in a closed system a counterhead acts on the pump suction. Direct Drive Fluid Coolers IOM 1062... -
Page 11: Ambient Conditions
Table 6, AFD Connection Sizes (Double-Row of Fans, Dual Fluid Connections) Feeds Inlet / Outlet, in. 2 @ 2 1/8 2 @ 2 1/8 2 @ 2 1/8 2 @ 2 5/8 2 @ 2 5/8 2 @ 3 1/8 2 @ 3 5/8 IOM 1062 Direct Drive Fluid Coolers... - Page 12 5150 5339 127,200 63.1 4960 5330 5509 124,400 63.1 5270 5670 5819 NOTES: All fans are 30 inches in diameter. Net weight is unit only. Operating weight based on 50% ethylene glycol at 130°F. Direct Drive Fluid Coolers IOM 1062...
-
Page 13: Dimensional Data
Inlet is the top connection, outlet the bottom. See on page 11 for connection sizes. The electrical box is on the same end as the fluid connections with knockouts on the bottom and sides. IOM 1062 Direct Drive Fluid Coolers... - Page 14 The electrical box is on the same end as the fluid connections with knockouts on the bottom and sides. AFD double-row units have two sets of connections and an optional field-installed header. Allow one-inch manufacturing tolerance. Direct Drive Fluid Coolers IOM 1062...
-
Page 15: Electrical Data
The motors are wired into a common junction box. The motors must be checked for proper rotation. Be sure to check that motor voltage and control connection agree with electric services furnished. IOM 1062 Direct Drive Fluid Coolers... - Page 16 85.8 42.0 42.9 33.6 34.4 All fan blades are 30” in diameter. Standard motors are 1 ½ HP, 208-230/460/3/60 or 575 volt. Optional single-phase motors are ¾ hp, 208/230 volt, 4.8 FLA, 1140 rpm. Direct Drive Fluid Coolers IOM 1062...
- Page 17 29.4 24.0 24.5 57.6 58.8 28.8 29.4 24.0 24.5 57.6 58.8 28.8 29.4 24.0 24.5 Notes: 1. All fan blades are 30” in diameter. 2. All motors are 1 HP, 208-230/460/3/60 or 575 volt. IOM 1062 Direct Drive Fluid Coolers...
-
Page 18: Wiring Diagrams
Wiring Diagrams Figure 6, Typical Wiring for AFS Models NOTE: Unit specific wiring diagrams are shipped with the unit. Direct Drive Fluid Coolers IOM 1062... -
Page 19: Start Up
Setting and adjusting these controls will depend on the type furnished. Daikin can furnish an optional control system using Johnson Controls A419 temperature controls. Installation and adjustment are explained in the following paragraphs. -
Page 20: Control Functions
After the 7-minute delay has elapsed, the fan is turned on, and ASd stops flashing. Note: A power interruption to the control will activate the anti-short cycle delay. Figure 7, Anti-short Cycle Delay Direct Drive Fluid Coolers IOM 1062... - Page 21 When the binary input (BIN) is connected to the common (COM), the Offset function is enabled and BIN is displayed on the LCD above the °F or °C symbol, as shown in Figure 4. IOM 1062 Direct Drive Fluid Coolers...
- Page 22 When Cooling/Cut-out mode is selected, the differential is above Setpoint. The output relay energizes and LED indicator illuminates when the temperature rises to Setpoint plus the differential value. When the temperature drops to Setpoint, the output relay and LED indicator de-energize. Direct Drive Fluid Coolers IOM 1062...
- Page 23 Positioning the Jumpers The P5 Jumper Pin Block has a single set of jumper pins and is used to lock or unlock the keypad. The P4 Jumper Pin Block has two sets of jumper pins. IOM 1062 Direct Drive Fluid Coolers...
- Page 24 3. Position the jumpers to set Cooling/Heating, Setpoint, and Keypad Lock functions. 4. Replace the cover and fasten in place with the four screws. 5. Restore power to the control. Figure 12, Jumper Positions and Control Settings Direct Drive Fluid Coolers IOM 1062...
- Page 25 4. Press the Menu button to save. The display then returns to the sensor temperature Note: If the Menu button is not pressed after changing the setpoint, the control reverts to the setpoint value previously programmed into the A419 control. IOM 1062 Direct Drive Fluid Coolers...
- Page 26 Figure 13, Order of the Functions Figure 13 illustrates the order of functions shown using the Up or Down button. The Up button accesses functions in the clockwise direction; the Down button accesses functions counterclockwise direction. Direct Drive Fluid Coolers IOM 1062...
-
Page 27: Troubleshooting
Remove the cover by loosening the four captive cover screws. WARNING Risk of Electrical Shock. High voltages may be present at electrical terminals and other exposed internal metal surfaces. Avoid contact with all metal surfaces on control when cover is removed. IOM 1062 Direct Drive Fluid Coolers... - Page 28 Disconnect the load from the output relay terminals. b. Check that the Keypad Lock jumper is installed, so that the keypad is unlocked. c. Reconnect the sensor leads and supply power to the control. d. Replace the cover. Direct Drive Fluid Coolers IOM 1062...
-
Page 29: Fault Codes
Cycle power to sensor or sensor with SH sensor failure mode (SF reset the control. wiring setting) Program failure Output is off Reset the control by pressing the Menu button. If problems persist, replace the control. IOM 1062 Direct Drive Fluid Coolers... -
Page 30: Maintenance
Use Calgon Corporation's CalClean 41352 (or equal). Apply CalClean liberally to entering air and leaving air surfaces of the finned area according to label directions and rinse thoroughly to remove all cleaners. Direct Drive Fluid Coolers IOM 1062... - Page 32 Daikin Training and Development Now that you have made an investment in modern, efficient Daikin equipment, its care should be a high priority. For training information on all Daikin HVAC products, please visit us at www.DaikinApplied.com and click on training, or call 540-248-9646 and ask for the Training Department.