Daikin IOM 1062 Installation, Operation And Maintanance Manual Download Page 18 | Manualshive

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Direct Drive Fluid Coolers

IOM 1062

Wiring Diagrams

Figure 6, Typical Wiring for AFS Models

NOTE

: Unit specific wiring diagrams are shipped with the unit.

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Summary of Contents for IOM 1062

Page 1: ...on 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 throu...

Page 2: ...col Sludge Prevention 10 Fluid Circulating Pump 10 Ambient Conditions 11 Physical Data 11 Dimensional Data 13 Electrical Data 15 Electrical Wiring 15 Wiring Diagrams 18 Start Up 19 Prestart 19 Filling...

Page 3: ...IOM 1062 Direct Drive Fluid Coolers 3...

Page 4: ...tion A Fan Cycling Thermostat with Control Transformer 120V E Control Transformer Only 120V Y None Rough Duty Options A Totally enclosed motors B Sealtite Wiring C PolyGuard fin coating with totally e...

Page 5: ...ceed 2 5 All controls and equipment protection circuits properly connected per wiring diagram 6 Factory installed wiring must not be changed without written factory approval 7 Relief valves must meet...

Page 6: ...ab with footings extending below the frost line Be certain concrete slabs are installed level and are properly supported to prevent settling Locate the unit far enough away from any wall or other obst...

Page 7: ...l Walls or Obstructions Locate the unit to ensure that air can circulate freely and not be recirculated For proper air flow and access all sides of the unit must be at least the distance shown away fr...

Page 8: ...m should provide maximum leak prevention Weld or sweat joints should be used where possible The fact that glycol solutions or other heat transfer fluids will leak where water will not must be taken in...

Page 9: ...26 3 60 2 2 1 8 7 9 7 0 80 2 2 1 8 13 7 12 0 100 2 1 2 2 5 8 8 5 6 1 150 2 1 2 2 5 8 18 6 12 9 200 3 3 1 8 10 7 9 1 250 3 3 1 8 16 5 13 7 300 3 1 2 3 5 8 11 1 9 2 300 4 4 1 8 5 9 4 9 350 4 4 1 8 7 9 6...

Page 10: ...o sludge formation in coils due to one or more of the following causes Reaction of the corrosion inhibitor with galvanized piping zinc Reaction of the glycol with chromate type water additives Reactio...

Page 11: ...in older systems have non operating standby pumps of equal capacity to the operating unit We recommend parallel pumps in continuous operation because they provide practically the same type of standby...

Page 12: ...00 21 7 1650 1760 1839 071 1x4 4 41 500 21 7 1760 1870 1949 075 1x5 5 54 900 20 4 2000 2150 2177 079 1x5 5 54 800 26 6 2020 2150 2251 089 1x5 5 51 800 26 6 2200 2390 2431 097 1x6 6 65 800 31 6 2390 26...

Page 13: ...hes AFS Model Number of Fans A B 005 1 39 30 008 1 49 40 010 2 69 60 012 2 69 60 014 2 89 80 016 2 89 80 021 3 129 120 NOTES 1 Inlet is the top connection outlet the bottom See Table 4 on page 11 for...

Page 14: ...r 42 inches 2 Inlet is the top connection outlet the bottom See Physical Data beginning on page 11 for connection sizes 3 The electrical box is on the same end as the fluid connections with knockouts...

Page 15: ...ead of starters requiring thermal protectors eliminating the problem of furnishing the proper heating elements All fluid coolers are furnished with either single phase or three phase fan motors which...

Page 16: ...071 1x4 4 35 710 28 0 29 8 30 14 0 14 9 15 11 2 12 0 15 075 1x5 5 46 610 35 0 36 8 40 17 5 18 4 20 14 0 14 8 15 079 1x5 5 46 200 35 0 36 8 40 17 5 18 4 20 14 0 14 8 15 089 1x5 5 44 580 35 0 36 8 40 17...

Page 17: ...2 0 12 5 15 107 1x6 6 28 8 30 0 30 14 4 15 0 15 12 0 12 5 15 AFD Double Row of Fans 046 2x2 4 19 2 20 4 25 9 6 10 2 15 8 0 8 5 10 054 2x2 4 19 2 20 4 25 9 6 10 2 15 8 0 8 5 10 060 2x2 4 19 2 20 4 25 9...

Page 18: ...18 Direct Drive Fluid Coolers IOM 1062 Wiring Diagrams Figure 6 Typical Wiring for AFS Models NOTE Unit specific wiring diagrams are shipped with the unit...

Page 19: ...mped into the system Temperature Control General Some method of controlling the fluid temperature is required The standard temperature control consists of fan contactors arranged for field connection...

Page 20: ...t mode is set to Cut out the setpoint is the temperature at which the N O contacts open Refer to Figure 9 and Figure 10 Differential dIF establishes the difference in temperature between Cut in and Cu...

Page 21: ...per at P4 establishes whether Setpoint is the Cut in temperature or Cut out temperature Keypad Lock Removing or installing the jumper at P5 establishes whether the keypad is locked or unlocked Locking...

Page 22: ...gs Output Relay Status Indicator LED A green LED on the control s front panel illuminates when the output relay is energized and the N O contacts are closed Cooling Heating and Setpoint Modes Jumpers...

Page 23: ...energizes and LED indicator illuminates when the temperature drops to Setpoint minus the differential value When the temperature rises to Setpoint the output relay and LED indicator de energize Figure...

Page 24: ...on a jumper in the Removed position place the jumper on only one pin Saving the jumper in case it is required in the future See Figure 11 Set the jumpers as follows using Figure 11 and Figure 12 as gu...

Page 25: ...9 control is set at the factory to display in Fahrenheit temperature units To convert to Celsius units press the Up and Down buttons simultaneously Press them again to return to Fahrenheit units Note...

Page 26: ...n mode and setpoint plus differential is greater than 212 F 100 C the control switches on at setpoint and off when the temperature exceeds 212 F 100 C Cooling Cut out If the control is operating in Co...

Page 27: ...sly programmed value for that function Checkout Before applying power make sure installation and wiring connections are according to job specifications After necessary adjustments and electrical conne...

Page 28: ...thermometer c Disconnect the sensor from the control d Using an ohmmeter measure the resistance across the two sensor leads while the sensor is at the temperature taken in step b e Consult Figure 14...

Page 29: ...gized at Output Relay De energized at Cooling Setpoint plus differential Setpoint Cut out Heating Setpoint minus differential Setpoint Cooling Setpoint Setpoint minus differential Cut in Heating Setpo...

Page 30: ...he unit coil will require periodic cleaning based on operation and atmosphere conditions Clean the unit using a brush or commercially available coil cleaners and water Take care not to deform the fin...

Page 31: ......

Page 32: ...ining or call 540 248 9646 and ask for the Training Department Warranty All Daikin equipment is sold pursuant to its standard terms and conditions of sale including Limited Product Warranty Consult yo...

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