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McQuay MicroTech II IM 783-1 Installation Manual Download Page 7

IM-783                                                                                                                                                                                                     Page 7

Figure 2.  Remote I/O Mounting Detail

0.218
(5.5)

0.406
(10.3)

0.438
(11)

 DETAIL

KEYHOLE

3/

4"

 CO

NDUI

T

KN

O

C

KO

U

T

S

NOTES:
1.  ALLOW MINIMUM OF 1 " CLEARANCE AROUND ALL SIDES OF UNIT FOR COOLING.
2.  ALLOW MINIMUM OF 24" IN FRONT OF UNIT FOR DOOR OPENING.
3.  MOUNT ONLY IN POSITION SHOWN (TRANSFORMER AT TOP).
4.  DO NOT BLOCK AIR FLOW BEHIND UNIT.
5.  DIMENSIONS ARE IN INCHES (MM).

3/4" CONDUIT

KNOCKOUTS

(5 TOTAL THIS SIDE)

1/2" CONDUIT KNOCKOUT

FOR AC POWER ENTRY

1" CONDUIT

KNOCKOUTS

8.63 (219)

4.00
(102)

1.25
(31.8)

1.130
(29)

3.5 (89)

1.030
(26)

0.218

(5.5)

9.50

(241)

3.00

(76)

3.05

(77)

11.375

(289)

15.5 (394)

16.846

(428)

1" CONDUIT

KNOCKOUTS

3/4" CONDUIT

KNOCKOUTS

17.5

(444)

1.00

(25.4)

2.00

(51)

20.8

(528)

MINIMUM CLEARANCE AREA

Summary of Contents for MicroTech II IM 783-1

Page 1: ...Installation Manual IM 783 1 Group Controls Part Number IM 783 1 Date February 2005 Supersedes IM 783 0 MicroTech II TM Remote I O Panel Installation Manual...

Page 2: ...the Cover 8 Removing the cover of a Remote I O Panel 8 Replacing the cover of a Remote I O Panel 8 Field Wiring 9 Power Wiring 9 About the Transformer 9 Making the Power Connection to the Transformer...

Page 3: ...ay and MicroTech II from McQuay International Reference Documents Company Number Title Available At McQuay International OM 780 MicroTech II Chiller System Manager Operation Manual www mcquay com McQu...

Page 4: ...ounted in the field They can also be purchased pre mounted in a remote I O panel ready for wall mounting A remote I O panel may have from one to four remote I O modules The number of modules per panel...

Page 5: ...250 m of the nearest LONWORKS device other devices can be the CSM a chiller another remote I O module etc This typical node to node distance can be increased to a maximum of 8855 ft 2700 m by using th...

Page 6: ...anel Mounting Guide 11 375 28 89cm Mount with this end up Lower mounting holes are 0 221 0 56cm dia Clearance for a 10 screw 438 1 11cm 218 0 55cm 406 1 03cm DETAIL KEYHOLE Upper Mounting Note Drawing...

Page 7: ...ENING 3 MOUNT ONLY IN POSITION SHOWN TRANSFORMER AT TOP 4 DO NOT BLOCK AIR FLOW BEHIND UNIT 5 DIMENSIONS ARE IN INCHES MM 3 4 CONDUIT KNOCKOUTS 5 TOTAL THIS SIDE 1 2 CONDUIT KNOCKOUT FOR AC POWER ENTR...

Page 8: ...rounding strap off the screw post Step 4 Replace the locking washer then the nut on the screw post and tighten Step 5 Close the door about half way Step 6 Slide the cover toward the top of the unit un...

Page 9: ...e noted about the remote I O panel transformer WARNING Improper wiring can cause severe personal injury or death All connections must be made in accordance with national and local electrical codes Use...

Page 10: ...60 Hz power to the two position terminal block provided using the information in Table 3 The transformer s primary wiring is factory wired to the terminal block for 240 VAC power If your power supply...

Page 11: ...g high voltage control wires to modules 3 and 4 through the top of the panel If the module s relay outputs will be controlling high voltage 230 Volt maximum devices bring high voltage control wires to...

Page 12: ...chless terminals on the module separated from the brown low voltage terminals The modules are mounted so that the orange high voltage terminals are directed toward the top and bottom of the remote I O...

Page 13: ...Service Pin button associated with the appropriate Remote I O device e g Remote I O A in the Remote I O table While the Service Pin timer is counting down the timer appears as a pop up box on the scr...

Page 14: ...of the metal enclosure becomes dirty you can wipe it with a damp cloth and mild detergent Parts List Standard replacement parts are listed in Table 4 and can be ordered from stock without restriction...

Page 15: ...ges must be prepaid The return of the part does not constitute an order for replacement Therefore a purchase order must be entered through the nearest McQuay representative The order should include pa...

Page 16: ...05 McQuay International www mcquay com 800 432 1342 This document contains the most current product information as of this printing For the most up to date product information please go to www mcquay...

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