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Mestek UT-135, Installation, Operation & Maintenance Manual

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Mestek UT-135 Installation, Operation & Maintenance Manual Download Page 17

17

Section 7: Wiring

7.1 Networking Wiring Diagram

7.2 PCB I/O port

K Y IN

G N D

Heat

Pu
mp

co

nt

rol

le

r

yellow

MD

1001

MD

1001

E lectrica l  Control 

Module o f Vertical 

Water  Fa n   Coil

N E T c ommunica tion 

Port

K Y IN

R emote on/ Off  Signa l 

Input

G N D

G rounding

blue

MD

1001

MD

1001

+12V

  NET

 GND

+12V

  NET

 GND

+12V

  NET

 GND

+12V

  NET

 GND

or on-line

N

O U T 2

T E M P1

C N 1

O U T1

PROG1

L

N

MD 100 1

14

CN

2

5

NET1

Summary of Contents for UT-135

Page 1: ...it 5 4 3 Minimum Clearances 5 4 3a Floor Installation 6 4 4 Water Connections 7 8 4 5 Condensate Discharge 9 4 6 Venting Air 9 SECTION 5 START UP AND OPERATION 5 1 Control Function 10 5 2 Setting Temperature 11 12 5 3 Usage of Remote Control 13 14 5 4 Adjustable Parameters 14 SECTION 6 MAINTENANCE AND TROUBLE SHOOTING 6 1 Maintenance 15 16 6 2 Trouble Shooting 16 SECTION 7 WIRING 7 1 Networking Wi...

Page 2: ...nformation concerning the product Indicates an imminently hazardous situation which if not avoided will result in death serious injury or substantial property damage Indicates an imminently hazardous situation which if not avoided will result in death serious injury or substantial property damage Indicates an imminently hazardous situation which if not avoided may result in minor injury or propert...

Page 3: ...0 4 1 Cooling Capacity TONS 1 4 1 2 3 4 1 1 1 4 Water Flow Rate GPM 0 8 1 5 1 9 2 6 3 3 Pressure Drop PSI 1 6 1 9 4 4 1 4 4 Air Volume CFM 94 188 270 340 381 Noise DB A 30 32 37 39 41 Power Supply 120V 1PH 60Hz Power Input W 12 16 20 24 30 Water In Out NPT 3 4 Drain INCH 5 8 Net Dimensions Length INCH 27 5 8 35 3 8 43 5 16 51 1 2 59 1 8 Width 5 1 8 Height 26 3 8 Shipping Dimensions Length INCH 29 ...

Page 4: ...Model UT 87 135 196 246 320 Figure 3 Product Model UT 87 135 196 246 320 A 29 3 16 26 3 8 3 3 8 7 5 16 3 5 16 12 1 2 5 1 8 1 5 8 9 1 2 3 1 8 Unit Model UT 87 UT 135 UT 196 UT 246 UT 320 35 1 2 27 1 2 A inch 43 3 8 51 1 8 59 1 16 A 29 3 16 26 3 8 3 3 8 7 5 16 3 5 16 12 1 2 5 1 8 1 5 8 2 ...

Page 5: ...e wall mounted cooler convector and furniture present in the room Figure 5 0 79inch 0 79inch 3 54inch 15 7 5inch 5 51inch A B C E Removal of Side Panel Fig 6 Dismount the upper grill Fig 6 Ref A by unscrewing the fixing screws Lift the cover Fig 6 Ref B that protects the screw Fig 6 Ref C and unscrew it Move the side panel slightly and lift it out Figure 6 Wall installation or vertical floor Using...

Page 6: ...the unit on the floor the footing should be mounted Feet shipped loose as optional equipment First lay down the unit and match up the screw holes Ref Fig 10 Item A B C D finally apply four screws to each side to affix the feet See Fig 9 and Fig 10 Figure 9 Figure 10 A B C D ...

Page 7: ...igure 11 Figure 13 Figure 12 Figure 14 4 4 Water Connections Refer to Fig 13 and Fig 14 to connect the inlet and outlet lines Figure 13 shows optional 3 way valve Piping system should be clean Insulate the lines after making the connections Y type filter should be installed in the water inlet of the unit Air release valve should be installed on top of the hydraulic lines to avoid air retention fig...

Page 8: ...6 Connecting method II with valve optional Figure 18 Connecting method II without valve Flexible water connector water inlet Flexible water connector water outlet Flexible water connector water inlet Flexible water connector water outlet Flexible water connector water outlet Flexible water connector water inlet Flexible water connector water inlet Flexible water connector water outlet ...

Page 9: ...d counter pressure that would interfere with the normal outflow 4 6 Evacuatingairwhilefillingthesystem If there is no electric power and the thermo valve has already been powered use the special cap to press the valve stopper to open it Start filling by slowly opening the water system filling tap Use a screwdriver to unscrew the side air vent valve Fig 20 Ref A When water starts coming out of the ...

Page 10: ... fan speed indicator light stays on blue Medium fan speed medium speed indicator light stays on yellow Low fan speed low speed indicator light stays on orange Automatic high fan speed indicator light medium fan speed indicator light and low fan speed indicator light flashes in turn Note Changes of fan speed can only be done on main interface You cannot choose the automatic fan speed when in ventil...

Page 11: ...r decrease the set temperature Press or ON OFF button to change mode fan speed or shut down the unit and save settings or is invalid when the unit is in ventilating mode or dehumidifying mode M HEAT COOL HIGH LOW MID M Indoor ambient temperature HEAT COOL HIGH LOW MID M Press or to check the setting temperature of current mode Set temperature in heating mode Press or to set the setting temperature...

Page 12: ...GH LOW MID M HEAT COOL HIGH LOW MID M Press to save settings and change modes of the unit Press to save settings and change fan speed Press switch button to save settings and shut down the unit M Set temperature in heating mode System will save user s setting and return back to main interface if there is no operation on buttons in 5s ...

Page 13: ... the batteries for 35 minutes if there is a failure in the program of the remote controller After 35 minutes replace the batteries and the remote control should resume operation AM PM Signal Emission Wind Speed Wind Direction POWER ON OFF Time Regulation Wind Direction Regulating Manually Wind Direction Regulating Automatically Mode Switch Auto Mode Cooling Mode Heating Mode Temperature Time Off W...

Page 14: ...ing will be cancelled Sleep Function 1 To start or cancel the sleep function please press the key 2 The sleep function can only be set in the heating or cooling mode 3 When the sleep function is activated the icon will be shown at the top right corner of the LCD screen on the remote Meanwhile the TIME OFF and 7 will be shown at the lower right corner of the LCD screen This means the unit will auto...

Page 15: ... comfort it is suggested to maintain and clean the unit every 6 months Take the following steps to clean up the filter regularly 1 Lift the grill A upward Fig 21 then pull out the grill Fig 22 2 Remove the grill Fig 23 and Fig 24 and take out filter Fig 25 then wash the filter with water Fig 26 Figure 22 Figure 21 Figure 24 Figure 23 Figure 26 Figure 25 A ...

Page 16: ...2 Trouble Shooting Figure 28 Figure 27 Malfunction Code Cause Measures Indoor ambient temperature sensor P4 Ambient temperature sensor is in open circuit or short circuit Check or replace the ambient temperature sensor Coil temperature sensor P5 Coil temperature sensor is in open circuit or short circuit Check or replace the coil temperature sensor Motor feedback signal E0 Feedback wire is not ins...

Page 17: ...oller yellow MD1001 MD1001 E lectrical Control Module of Vertical Water Fan Coil NE T c ommunication Port K Y IN R emote on Off Signal Input G ND Grounding blue MD1001 MD1001 12V NET GND 12V NET GND 12V NET GND 12V NET GND or on line N OUT 2 T E M P1 C N1 O U T1 PROG1 L N MD1001 1 4 C N 2 5 NET1 ...

Page 18: ... valve L Live wire N Neutral wire NET1 Communicate or On line End switch to energy source C ontroller B L K Y G t 5K 14 T E MP C N7 N L OUT1 MD1001 C T AT t 5K N T O P OW E R SUP P LY 110 120V 60Hz B L K W HT R E D B L U L W HT N L NE T OUT2 C N2 S S F M B L U Y E L W HT B L K R E D B L U OR G OR G E V N FM Fan Motor AT A mbie nt Temperature CT C oil Temperature S S S ensitive Switch E V E le c tr...

Page 19: ...fore signing transportation delivery receipts If transportation company tenders delivery of goods in bad order buyer should insist on transportation agent making notation of conditions on delivery receipt and request an inspection within 48 hours thus enabling buyer to secure prompt payment of transportation claims filed by him for value of damaged material Repair or replacement of any part under ...

Page 20: ...IN UNITED STATES 260 NORTH ELM ST WESTFIELD MA 01085 800 465 8558 FAX 413 564 5815 IN CANADA 7555 TRANMERE DRIVE MISSISSAUGA ONTARIO L5S 1L4 905 670 5888 FAX 905 670 5782 ...

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