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UNIT PROTECTION MODULE HARDWARE OPERATION 

 

IMPORTANT: This manual is for UPM board part numbers 8733 800 259. See controller label 
as shown in figure 1 to verify correct part number. 

 

 
 

 

TABLE OF CONTENTS 

 
 

Specifications ..................................................................................................................... 3

 

Unit Protection Module (UPM)........................................................................................... 4

 

Power Random Start Up ............................................................................................... 5

 

Anti short cycle delay ................................................................................................... 5

 

Y Call .......................................................................................................................... 5

 

High and Low pressure protection ................................................................................. 5

 

Ground........................................................................................................................ 7

 

DIP Switch Settings...................................................................................................... 7

 

Selectable Alarm Mode ................................................................................................. 7

 

Freeze protection ......................................................................................................... 8

 

Brownout protection..................................................................................................... 8

 

Condensation overflow ................................................................................................. 8

 

UPM Sequence of Operation (SOO) Flow Chart .................................................................. 9

 

Summary of Contents for FHP UPM I

Page 1: ...I O ZONE 560 583 UPM I INSTALLATION AND OPERATION MANUAL 1 ...

Page 2: ...o verify correct part number TABLE OF CONTENTS Specifications 3 Unit Protection Module UPM 4 Power Random Start Up 5 Anti short cycle delay 5 Y Call 5 High and Low pressure protection 5 Ground 7 DIP Switch Settings 7 Selectable Alarm Mode 7 Freeze protection 8 Brownout protection 8 Condensation overflow 8 UPM Sequence of Operation SOO Flow Chart 9 2 ...

Page 3: ... purposes dry contact Normally Open NO Inputs Four 4 inputs Dedicated inputs for High Pressure Switch HPC Low Pressure Switch LPC Freeze Sensor FREEZE 10 K 77F Thermistor Condensate Overflow Sensor CON 230 K 15 Compressor Call Y Signal Status Indication Visual LED status of power and alarms status indication Protection Surge and transient protection circuitry Weight 0 14 lbs 0 07 Kg Overall Dimens...

Page 4: ...ches and sensors this device provides time delays and protects the unit against freezing of the water and refrigerant heat exchangers as well as condensate overflow when the appropriate sensors are installed Figure 1 UPM Single Stage Alarm output is Normally Open NO dry contact If 24 VAC output is needed R must be wired to the ALR COM terminal 24VAC will be available on the ALR OUT terminal when t...

Page 5: ...en completely powered down for mor m typically the unit will star between the time range of 0 and 00 seconds his only if the controller is set to normal operation test switch set to NO In order for the random sequence to initiate the unit power mus Anti short This cycling if the Y call is set and removed Y Call The UPM will energize the compressor s utput CC in an event of a Y c o th s energize Hi...

Page 6: ... The user can select either two or four times by changing switch four 4 on the DIP switch SW1 shown on table 3 on the UPM board Low pressure protection If the LPC switch is open upon a Y call the UPM will not energize the CC output and therefore the compressor will remain off the fault LED will flash two 2 times for the LPC and the alarm contact will remain off If the compressor is running in norm...

Page 7: ...de Normal or Test operation The settings shown below are factory default for most heat pump applications however the Unit wiring diagram is the ultimate guide for factory D The following table is availab board as well and it depicts the switch position and its associated functionality Selectable Alarm Mode The UPM controller can be configured to have either a co If constant CONT is selected the UP...

Page 8: ...will enter e co not monitor the power pply du first 500 illisecon f mpress p to av e a the UPM detects a brownout condition ive 5 times as error code indication ondensation overflow tors e drain pan for high condensate water impedance drops below 230KΩ 5 ONLY when condensate sensor the correspondent code via its status LED 4 flashes To exit the hard lockout water has to return to its normal level ...

Page 9: ...UPM Sequence of Operation SOO Flow Chart 9 ...

Page 10: ...10 10 th 601 N W 65 Court Ft Lauderdale FL 33309 Phone 954 776 5471 Fax 954 776 5529 www fhp mfg com 6 720 220 321 REV 6 11 ...

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