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Contents

Model nomenclature ............................................................ 2
Transportation and shortage ................................................ 2
Installation ....................................................................... 2–4
Electrical data ...................................................................... 5
Piping ............................................................................... 5,6
Cleaning and flushing system .............................................. 6
Start-up ........................................................................... 6, 7

Operating limits ................................................................... 7
Wiring diagrams ............................................................. 8–14
Unit operation .................................................................... 15
LED Status and Fault Output Status .................................. 16
Thermostat Connections, Mark IV/AC units ....................... 17
Options for Mark IV/AC units ....................................... 19–22
Troubleshooting ................................................................. 23
Maintenance ...................................................................... 24

©2006 McQuay International

®

Installation & Maintenance Data

IM 407-16

Group: WSHP

Part Number: 106581203

Date: June 2006

Vertical Water Source Heat Pump
& Cooling Only Units

Models FDD, FDE, FDL, FDS, FME, FMS

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Содержание FDD Series

Страница 1: ...iagrams 8 14 Unit operation 15 LED Status and Fault Output Status 16 Thermostat Connections Mark IV AC units 17 Options for Mark IV AC units 19 22 Troubleshooting 23 Maintenance 24 2006 McQuay Interna...

Страница 2: ...e of rough handling the cartons should be opened at once to check for concealed damage If any damage is found notify the carrier within 48 hours to establish your claim and request their inspection an...

Страница 3: ...ance Opt Controls Main Access Panel Condensate Water Supply Water Return Heat Pump With Right Hand Return Air Arrangement Return Air Opt Controls Elec Entrance Main Access Panel Condensate Water Suppl...

Страница 4: ...duct material the return air duct should be internally lined with acoustic insulation for sound attenuation Glass fiber duct board material is more absorb ing and may permit omission of the flexible c...

Страница 5: ...system may also be made to work ac ceptably but proper water flow balancing is more diffi cult to achieve and maintain 2 The piping can be steel copper or PVC 3 Supply and return runouts are usually...

Страница 6: ...for initial flush and blow down making sure city water fill valves are set to make up water at the same rate Check the pressure gauge at pump suction and manually adjust the makeup to hold the same po...

Страница 7: ...chine should not Operating Limits Environment This equipment is designed for indoor installation only Sheltered locations such as attics garages etc generally will not provide sufficient protection ag...

Страница 8: ...upplied relays attached to the 24 volt terminals R W Y or G may introduce electrical noise Never install relays in series with the inputs Notes 1 Mark IV AC controller board contains a static sensitiv...

Страница 9: ...relays in series with the inputs Figure 10 Unit sizes 019 through 048 208 230 265 volts single phase 060686606 Rev C Notes 1 Mark IV AC controller board contains a static sensitive micropro cessor Pr...

Страница 10: ...switches are normally closed 5 Field supplied relays attached to the 24 volt terminals R W Y or G may introduce electrical noise Never install relays in series with the inputs Figure 12 Unit sizes 02...

Страница 11: ...d relays attached to the 24 volt terminals R W Y or G may introduce electrical noise Never install relays in series with the inputs Notes 1 Mark IV AC controller board contains a static sensitive micr...

Страница 12: ...24 volt terminals R W Y or G may introduce electrical noise Never install relays in series with the inputs Notes 1 Mark IV AC controller board contains a static sensitive micropro cessor Proper ground...

Страница 13: ...o the 24 volt terminals R W Y or G may introduce electrical noise Never install relays in series with the inputs Notes 1 Mark IV AC controller board contains a static sensitive micropro cessor Proper...

Страница 14: ...for 208V operation If 230V power supply is used transformer must be wired by disconnecting the power lead from the red transformer primary wire Place an insulation cap on the red transformer primary w...

Страница 15: ...itch or low pressure switch on unit sizes 048 and 060 The unit does not have to be reset on a condensate overflow detection The Mark IV AC control board has a fault output signal to an LED on a wall t...

Страница 16: ...rces may be used to operate Mark IV AC board inputs Note The fault output is energized when no faults exist The fault output is de energized during faults and when unit power is off Using Drive Using...

Страница 17: ...with other wires Wire 1 should run between the S1 terminal on the thermostat and the S1 terminal on the remote sensor Wire 2 should run between the S2 terminal on the thermostat and the S2 terminal o...

Страница 18: ...rk IV AC Board Low Voltage Terminal Strip WSHP Mark IV AC Board Low Voltage Terminal Strip Multiple Unit Control Panel TB3 TB2 TB1 TB4 R C W1 Y1 W2 Y2 G Thermostat Terminals This version of the board...

Страница 19: ...nal is not being used as a pump restart signal to other equipment If the P terminalmustbeusedasapumprestartsignaltootherequipment then wire the auxiliary relay s yellow wire to Y1 white wire to W1 and...

Страница 20: ...r tempera ture sensor on the water supply line and then connect the duct heater control contacts to the duct heater control circuit 9 66 245 mm 007 042 14 50 368 mm 048 060 6 5 165 mm 007 042 4 12 105...

Страница 21: ...C P terminal will change state causing a contact closure between terminal 58 and 64 signaling the loop water control LWC panel to restart the loop pump if Off The pump restart relay kit is typically m...

Страница 22: ...signals is required on a single WSHP the MicroTech 2000 Auxiliary Module Kit 107239001 must be used and these additional output control signals will be connected to the Auxiliary board 1 circuit unit...

Страница 23: ...eating Check compressor wiring for defective wiring or loose connection Check thermostat for improper location Check for defective compressor internal windings with ohm meter Check for bad compressor...

Страница 24: ...differences both heating and cooling is recommended A comparison of logged data with start up and other annual data is useful as an indica tor of general equipment condition 5 Periodic lockouts alway...

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