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035-000029-001

Page 43

HHA IOM 1.4 10/11/2021

Do NOT pull
by the coil
connections

Remove all fasteners

indicated on the image

Figure 26

Pull out the insulation

Figure 27

Remove all fasteners

indicated on the image

Figure 28

Push coil from this end

(If necessary, carefully

remove insulation)

Figure 29

Pull coil from opposite

side (Do not pull by the

coil connection tubes)

Figure 30

Remove the fasteners

indicated on the image

from all four corners

Figure 31

SERVICE-Coil Removal and Reinstallation Procedure (cont’d)

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Содержание HHA Series

Страница 1: ...ervicing or installing unit ELECTRIC SHOCK CAN CAUSE DEATH WARNING This equipment may be in stalled well above finished floor Use ex treme caution when working at heights SAFETY WARNING Installer shou...

Страница 2: ...035 000029 001 Page 2 HHA IOM 1 4 10 11 2021 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 3: ...learance 24 25 Condensate Drain 26 Steam Coil Piping Recommendations 27 30 Coil Freeze Up Protection 29 Refrigerant Piping Direct Expansion DX Coils 30 31 APD Gauge Option 32 Static Pressure Ports Opt...

Страница 4: ...ngs could result in per sonal injury or equipment damage DANGER NEVER enter an enclosed fan cabinet or reach into a unit while the fan is running LOCK OPEN AND TAG the fan motor power dis connect swit...

Страница 5: ...oth to protect the equipment and proper ty from damage in the case of condensate overflow In addition the International Mechanical Code IMC section 307 2 3 requires the use of auxiliary drain pans Man...

Страница 6: ...constructed from structural steel or formed strut materials Size 30 and 40 units have hanging brackets with specific recommendations see Fig 5b Fig 5a Ceiling Suspension Alternate Lengthwise Beam Moun...

Страница 7: ...035 000029 001 Page 7 HHA IOM 1 4 10 11 2021 UNIT SUSPENSION cont d Fig 5b Ceiling Suspension HHA30 40 Hanging Brackets...

Страница 8: ...installed electrical wiring Unit ter minals are not designed to accept other types of conductors DANGER WARNING Hazardous voltage Only qualified personnel must install the electrical service Dis conne...

Страница 9: ...voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is the responsi...

Страница 10: ...d low voltage control wiring terminal block TB1 4 Selection of field provided and installed electrical components is the responsibility of the installer in cluding branch circuit protection and wiring...

Страница 11: ...V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is the respons...

Страница 12: ...d low voltage control wiring terminal block TB1 4 Selection of field provided and installed electrical components is the responsibility of the installer in cluding branch circuit protection and wiring...

Страница 13: ...wiring terminal block TB1 4 Units ordered for 208V 240V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field prov...

Страница 14: ...08V 240V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is the...

Страница 15: ...208V 240V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is th...

Страница 16: ...control wiring terminal block TB1 4 Units ordered for 208V 240V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of fi...

Страница 17: ...08V 240V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is the...

Страница 18: ...rner and low voltage control wiring terminal block TB1 4 Selection of field provided and installed electrical components is the responsibility of the installer in cluding branch circuit protection and...

Страница 19: ...ge control wiring terminal block TB1 4 Units ordered for 208V 240V voltage selection are factory wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of...

Страница 20: ...y wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is the responsibility of the installer in cl...

Страница 21: ...erminal block TB1 4 Selection of field provided and installed electrical components is the responsibility of the installer in cluding branch circuit protection and wiring 5 To start the fan connect R...

Страница 22: ...y wired for 240V Field may rewire motor and transformer primary tap for operation at 208V 5 Selection of field provided and installed electrical components is the responsibility of the installer in cl...

Страница 23: ...erminal block TB1 4 Selection of field provided and installed electrical components is the responsibility of the installer in cluding branch circuit protection and wiring 5 To start the fan connect R...

Страница 24: ...035 000029 001 Page 24 HHA IOM 1 4 10 11 2021 Service Clearances Arrangement B No integral Final Filter...

Страница 25: ...035 000029 001 Page 25 HHA IOM 1 4 10 11 2021 Service Clearances Arrangement D with integral HEPA Filter...

Страница 26: ...the supply at the bottom and the return at the top This is counterflow piping ar rangement and is necessary to achieve rated thermal performance CAUTION Piping the other way parallel will result in r...

Страница 27: ...m breaking check valve would be piped into the con densate line between the trap and the gate valve instead of open to the atmosphere Figure 8 illustrates the typical piping at the end of every steam...

Страница 28: ...nate in hot wells or deaer ators which vent the air Fig 9 Multiple Coil High Pressure Piping NOTES 1 Flange or union is located to facilitate coil re moval 2 When control valve is omitted on multiple...

Страница 29: ...ube pierced to facilitate the distribution of the steam along the tube s length The outer tubes are expanded into plate fins The completed assembly includes the supply and condensate header and side c...

Страница 30: ...ee unit label or certified drawing to assure con nection to matching suction and liquid connec tions The lower split of face split coils should be first on last off Row split coils utilize special int...

Страница 31: ...lose it so that only one TXV is active when the compressor is unloaded to its minimum of 33 we see the following There are three different options to control tons per circuit when using an unloading c...

Страница 32: ...proximate ly 1 7in w g These will vary with the actual airflow Refer to APD table for actual val ues The APD gauge is attached from the outside and can be serviced by removing the cover panel 8 screws...

Страница 33: ...ts for the final HEPA filter HEPA Differential pressure across the first two ports indicates the prefilter APD and differ ential pressure across the 2nd pair of ports indicates the final HEPA filter A...

Страница 34: ...20 25 1600 5 50 291 0 11 0 12 0 24 16 20 25 1700 5 50 309 0 12 0 14 0 26 16 20 25 1800 5 50 327 0 13 0 15 0 28 16 20 25 1900 5 50 345 0 14 0 16 0 31 16 20 25 2000 5 50 364 0 16 0 18 0 34 16 20 25 210...

Страница 35: ...amper when the fan turns on and closes when fan stops Test mixing box controls to make sure OA damper closes on power failure or upon acti vation of customer supplied and installed low limit thermosta...

Страница 36: ...6 HHA IOM 1 4 10 11 2021 Model HHA Critical Environment AHU Fan Curves Sizes 04 12 Legend Note Coil air pressure drop not included Refer to New Magic 4 software for coil capacity and complete static p...

Страница 37: ...7 HHA IOM 1 4 10 11 2021 Model HHA Critical Environment AHU Fan Curves Sizes 16 25 Legend Note Coil air pressure drop not included Refer to New Magic 4 software for coil capacity and complete static p...

Страница 38: ...IOM 1 4 10 11 2021 Model HHA Critical Environment AHU Fan Curves Sizes 30 40 Note Coil air pressure drop not included Refer to New Magic 4 software for coil capacity and complete static pressure calcu...

Страница 39: ...or Clean all bare surfaces locating surfaces of bushings and motor shaft and degrease them 7 Push the bushing Figure 18 item 1 into the hub item 2 and make the holes coincide as shown in Figure 18 Use...

Страница 40: ...ing motor manufacturer s instructions 3 Check the fan for mechanical oscillations in accordance with ISO 14694 Recommenda tion every six months Vibration should not exceed specification in section fan...

Страница 41: ...lves to pre vent condensate flowback 6 Check operation of thermostatic air vents if used A float and thermostatic trap will con tain a thermostatic air vent When the bel lows is ruptured it will fail...

Страница 42: ...handler one pulling from the coil connections side and the other pushing from the opposite side See figures 29 and 30 for instructions 4 Replace coil s in coil module See figures 31 to 37 for instruc...

Страница 43: ...ion Figure 27 Remove all fasteners indicated on the image Figure 28 Push coil from this end If necessary carefully remove insulation Figure 29 Pull coil from opposite side Do not pull by the coil conn...

Страница 44: ...e corners Figure 33 Displace the top of the module Figure 34 Remove the fasteners indicated on both end plates and pull out the plates Figure 35 Remove all fasteners indicated on the image from all th...

Страница 45: ...OM 1 4 10 11 2021 Step 7 Use caution when sliding bulb into place Bulb end must slide into hole on opposite side SERVICE UVC Light Option UVC Light Emitter must be replaced every 12 months to maintain...

Страница 46: ...VICE VFD Parameters WARNING Changing certain parameters can lead to improper motor operation such as oper ation at current higher than the allowable maxi mum DO NOT CHANGE the following settings witho...

Страница 47: ...set at the potentiometer Control Option Digit 17 Parameter Index Parameter Function Setting A B C 1611 Parameter View 3 Long View ACS310 320 n a Parameter View Menu PAr S PAr L PAr L Long View ACS55...

Страница 48: ...Hz 1105 Max Ref Frequency SEE MOTOR TABLE PG 49 1103 REF1 Select 2 AI2 1106 REF2 Select 19 PID1Out 1201 Constant Speed Selection 0 No Constant Speed 1301 AI 1 Minimum 0 2 1302 AI 1 Maximum 1 1601 run...

Страница 49: ...RPM to keep the airflow setpoint constant Table 4a VFD Parameters All Control Options Motor Table PARAMETER 2003 9906 1105 2008 115 1 60 208 230 460V MAX UNIT HP FLA FLA FLA FREQ HHA04 12 1 3 75 3 75...

Страница 50: ...10 HHA04B 1 27 HHA04D 32 HHA06B 2 5 40 HHA06D 42 HHA08B 5 0 44 HHA08D 51 HHA12B 10 0 65 HHA12D 69 HHA16B 4 5 33 HHA16D 39 HHA20B 7 0 44 HHA20D 48 HHA25B 10 52 HHA25D 58 HHA30B 2 2 TBD HHA30D 37 HHA40...

Страница 51: ...hich has the control logic and the controls change fan RPM to try to maintain the DP setpoint As the filters load up the airflow drops and the control loop speeds up the fan to compensate keeping the...

Страница 52: ...ination up to 24 hours after sampling A low pH and high alkalinity cause system problems even when both values are within ranges shown The term pH refers to the acidity basicity or neutrality of the w...

Страница 53: ...pe 4 row 4 10 4 10 4 10 4 10 Chilled Water 2 Pipe 6 row 6 10 6 10 6 10 6 10 Std Capacity Steam See Note 1 2 8 2 8 2 6 2 6 High Capacity Steam 2 14 2 14 Std Capacity DX 3 10 3 10 3 12 3 10 High Capacit...

Страница 54: ...10 6 10 6 10 Max Coil Rows 12 Rows Total note 1 Coil Connections in Chilled Water OD Copper Tube 4 Row 0 875 1 125 1 125 1 125 1 375 6 Row 1 125 1 375 1 375 1 625 Hot Water OD Copper Tube 1 Row 0 875...

Страница 55: ...035 000029 001 Page 55 HHA IOM 1 4 10 11 2021...

Страница 56: ...035 000029 001 Page 56 HHA IOM 1 4 10 11 2021...

Страница 57: ...035 000029 001 Page 57 HHA IOM 1 4 10 11 2021 B...

Страница 58: ...035 000029 001 Page 58 HHA IOM 1 4 10 11 2021 D...

Страница 59: ...space sizes 04 25 or 2 rows of coil space sizes 30 40 Service of lamp and ballast through separate access door opposite coil connections Specifications The UV light option has an emitter specified to...

Страница 60: ...Ceiling Module size HEPA 99 99 at 0 3 m efficiency Room side replaceable filter media does not disturb ceiling construction Gel type filter seal 4 way directional air distribution Delivers high air v...

Страница 61: ...efficiency Room side replaceable filter media does not disturb ceiling construction Gel type filter seal Laminar flow diffuser unidirectional air flow low velocity for best clean room performance 2 f...

Страница 62: ...035 000029 001 Page 62 HHA IOM 1 4 10 11 2021 Model HHA Cri cal Environment Fan Coil HEPA Di user Accessory Installa on Instruc ons...

Страница 63: ...035 000029 001 Page 63 HHA IOM 1 4 10 11 2021 THIS PAGE INTENTIONALLY LEFT BLANK...

Страница 64: ...roperly sized condensate trap present Is the condensate disposal system operating correctly Is auxiliary external condensate drain pan installed as recommended by IOM not required for valid warranty D...

Страница 65: ...rep locator tool at magicaire com Same day shipments can only occur if order is entered by 11 am Some lead times can be improved in the event of an emergency If you need a part that is not listed on t...

Страница 66: ...035 000029 001 Page 66 HHA IOM 1 4 10 11 2021 HHA Series Air Handler Installation Operation and Maintenance Manual...

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