background image

25

EQUIP  GND

UNIT COMPONENT ARRANGEMENT

OUTDOOR FAN 

SECTION

OFM

COMPRESSOR

SECTION

SINGLE PT

CONNECTION

FOR 

ELEC. HEAT

WHEN USED

LPS

C

HPS

23

COMP

11

CAP

21

H   C F

CCH

INDOOR FAN

SECTION

CONTROL BOX AREA

23

TRAN

IFB

24V SPLICE

BOX

24V POWER

ENTRY

DISCONNECT
PER NEC

EQUIP GND

SEE HEATER

SCHEMATIC

FOR WIRING

IFM

C

S

R

SOL

MAIN

HARNESS

1

5

4

3

2

BRN

BRN

BRN

BRN

BRN

ACCESSORY ELECTRIC HEAT WHEN USED

HR1 (5 KW)

HR1 & 2 (10 KW)

HR1,2,3 & 4 (20 KW)

WHT

PNK

VIO

BRN

GRY

HR1, 2 & 3 (15 KW)

GRY

PNK

WHT

VIO

1

5

4

3

2

HEATER

ACCESSORY

PLUG

PLUG

GROUND

THRU STANDOFF

GRN/YEL

BLK

YEL

L1

L2

11

21

23

23

FIELD

SUPPLY

POWER

UNIT ONLY

MAXIMUM WIRE

SIZE 2 AWG.

YEL

BRN

BLU

YEL

YEL

COMP

BLK

N

GND

L1

COM

COM

208

230

C

24V

TRAN

OFM

BLK

YEL

BLK

DANGER:  ELECTRICAL SHOCK HAZARD DISCONNECT POWER BEFORE SERVICING

H

C

F

CAP

YEL

SEE NOTE 6

RED

BRN

BRN

NOTES:

C

C1

C2

BRN

CONNECTION WIRING DIAGRAM

C

CCH

GRN

BLK

BLK

WHEN USED

CHS

BLK

S

C

R

GRN/YEL

1.  IF ANY OF THE ORIGINAL WIRES FURNISHED ARE REPLACED

     IT MUST BE REPLACED WITH THE SAME OR ITS EQUIVALENT.  

2.  SEE PRE SALE LITERATURE FOR THERMOSTATS.

3.  USE 75 DEGREES C COPPER CONDUCTORS FOR FIELD 

     INSTALLATION.

4.  REFER TO INSTALLATION INSTRUCTIONS FOR CORRECT 

     SPEED SELECTION FOR IFM.

5.  RELOCATION OF SPEED TAPS MAY BE REQUIRED WHEN 

     USING FIELD INSTALLED ELECTRIC HEATERS.

     CONSULT INSTALLATION INSTRUCTIONS TO DETERMINE 

     CORRECT SPEED TAP SETTING.

6.  “DO NOT DISCONNECT PLUG UNDER LOAD”.

7.  THIS FUSE IS MANUFACTURED BY LITTLE FUSE, P/N 287003.

8.  N.E.C. CLASS 2, 24V.

9.  TO USE THE ADVANCED DEHUMIDIFICATION FEATURE, CUT JUMPER 1.

SCHEMATIC  208/230V-1-60

BLK

OF2

OF1

BLK

BLK

DR ON DB

FIELD SPLICE

TERMINAL (MARKED)

TERMINAL (UNMARKED)

SPLICE

SPLICE (MARKED)

FACTORY LO VOLTAGE
FIELD CONTROL WIRING
FIELD POWER WIRING
ACCESSORY OR OPTIONAL
WIRING
FACTORY HI VOLTAGE

C
CAP
CCH
CHS
COMP
CTD
DH
DB
DFT
DR
GND
HPS
HR
IFB

CONTACTOR
CAPACITOR
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
COMPRESSOR MOTOR
COMPRESSOR TIME DELAY
DEHUM
DEFROST BOARD
DEFROST TEMPERATURE SWITCH
DEFROST RELAY
GROUND
HIGH PRESSURE SWITCH
HEATER RELAY
INDOOR FAN BOARD

LEGEND

IFM
LPS
OFM
RVS
SOL
TRAN
T-STAT

INDOOR FAN MOTOR
LOW PRESSURE SWITCH
OUTDOOR FAN MOTOR
REVERSING VALVE
COMPRESSOR SOLENOID
TRANSFORMER
THERMOSTAT

DB

O

C

Y

W2

R

P1

8        7       6       5      4       3     2    1

T1 Y

R

DFT

P3

2

1

T2

O

C

C

4        3       2       1

RVS

BRN

DFT

PNK

PNK

BLK

LPS

BLU

BLK

HPS

BLK

BLU

BLU

BLU

SPEEDUP

1

J1

DB

30

60

30

JW1
1

TIME

90

60

120

OFF

QUIET

SHIFT

S1

ON

INTERVAL

CONNECTIONS

SHOWN NEAR

CONTACTOR

OF2

OF1

DR

15

14

6

13

2

12

1

3

10

9

5

11

7

4

GRN

YEL

BLK

WHT

PNK

RED

BRN

ORN

GRA

ORN

BLU

VIO

BLK

WHT

G

GRN

T-STAT

W3

DH

W2

Y2

Y1

O

R

BLU

VIO

WHT

YEL

RED

ORN

PNK

C

BRN

RED BLK

SOL

PLUG

PNK BLK

SEC 1 SEC 2

(R)

GND

IFM

DH

R

W2

W3

Y1

Y2

G

O

C

  CFM ADJUST (BLK)

ON/OFF DELAY (WHT)

AUX HEAT (VIO)

AC/HP SIZE (BLU)

SYSTEM TYPE (ORN)

1
2
3
4
5
6
7
8
9
10
11
12

HR1

HR4

HR2

HR3

FUSE 24V

A

C

3  

AMP

SEE NOTE 7

GRN

YEL
BLK

WHT

PNK

VIO
VIO

RED
BRN

ORN

BRN
GRY

SEE NOTES 4 AND 5

J1

SEE NOTE 9

A190329

Fig. 16 -- Connection Wiring Diagram with Advanced Dehumidification (AD) FIOP 208/230--1--60

50V

R

Summary of Contents for Performance 50VR-A

Page 1: ...3 A09033 Fig 1 Unit 50VR Electrical Controls and Wiring 33 Refrigerant Circuit 34 Evaporator Airflow 34 Metering Device 34 System Information 35 Loss of Charge Switch 35 Check Defrost Thermostat 35 TR...

Page 2: ...the downflow panels before rigging and lifting into place The panel removal process may require the unit to be on the ground Step 2 Provide Unit Support IMPORTANT The unit must be secured to the curb...

Page 3: ...3 A180108 Fig 2 50VR C24 30 Unit Dimensions 50VR...

Page 4: ...4 A180107 Fig 3 50VR A36 60 Unit Dimensions 50VR...

Page 5: ...30 6 778 46 1 1170 Large CPRFCURB013B00 14 356 14 356 43 9 1116 42 2 1072 Part Number CPRCURB011B00 can be used on both small and large basepan units The cross supports must be located based on whethe...

Page 6: ...install the unit on carpeting or other combustible materials Slab mounted units should be at least 2 in 51 mm above the highest expected water and runoff levels Do not use unit if it has been under w...

Page 7: ...ing condensate drain connection be sure to comply with local codes and restrictions This unit disposes of condensate water through a 3 4 in NPT fitting which exits through the base on the evaporator c...

Page 8: ...f nonresidence type air conditioning and ventilating systems NFPA 90A or residence type NFPA 90B and or local codes and ordinances Adhere to the following criteria when selecting sizing and installing...

Page 9: ...ellow wires connected to the line side of the contactor 4 Connect field L1 to black wire from connection 11 of the compressor contactor 5 Connect field wire L3 to yellow wire from connection 13 of the...

Page 10: ...ominal High Stage Cooling Airflow Cfm Size in Size mm Motor HP RPM 675 775 900 1050 1200 1400 675 855 10x10 254x254 1 2 1050 775 1000 10x10 254x254 1 2 1050 900 1200 11x10 279 4x254 3 4 1000 1050 1400...

Page 11: ...TART UP Step 1 Check Cooling and Heating Control Operation Start and check the unit for proper control operation as follows 1 Place room thermostat SYSTEM switch or MODE control in OFF position Observ...

Page 12: ...es stabilize 4 Measure and record the following a Outdoor ambient air temperature F C db b Liquid line temperature F C at TXV c Discharge high side pressure psig d Suction low side pressure psig for r...

Page 13: ...nect one speed tap wire to two or more speed connections on the Interface Fan Board IFB Jumper wires must use 18 AWG wire with at least 2 64 insulation Cooling Heat Pump Continuous Fan with Advanced D...

Page 14: ...674 K3 K2 K4 K1 QC2 QC5 QC6 QC4 QC9 QC3 US HSCI DH DH DH DH Shunt in no dehumidification position Shunt in dehumidification position A12571 208 230 VAC Models HIGH LOW COM QC5 QC4 QC3 KZ KL 07 09 08...

Page 15: ...irection of flow Position HPS TXV in Bypass Metering Position C03012 Fig 13 Typical Heat Pump Operation Heating Mode COMPRESSOR ACCUMULATOR OUTDOOR COIL INDOOR COIL LCS LEGEND HPS High Pressure Switch...

Page 16: ...65 670 586 466 299 BHP 0 11 0 12 0 12 0 13 0 13 0 14 Medium Red CFM 1139 1069 1012 937 870 786 724 626 512 381 BHP 0 22 0 23 0 24 0 24 0 25 0 26 0 26 0 27 0 27 0 28 Med High Orange CFM 1229 1171 1105...

Page 17: ...1356 BHP 0 42 0 44 0 45 0 46 0 48 0 49 0 51 0 52 0 53 0 55 Med High Orange CFM 1854 1837 1781 1784 1720 1698 1655 1625 1578 1532 BHP 0 56 0 57 0 60 0 59 0 62 0 63 0 64 0 66 0 67 0 67 High Black CFM 1...

Page 18: ...75 970 1035 1075 1065 LOW STAGE COOLING 835 850 845 930 945 940 1025 1040 1035 COOLING WITH DEHUMIDIFY 675 685 670 750 760 745 825 835 820 A42 HIGH STAGE COOLING 1240 1265 1275 1375 1405 1414 1515 154...

Page 19: ...17 0 18 0 18 0 20 0 21 0 22 Med Low Pink CFM 1213 1169 1110 1065 1016 964 923 878 820 777 BHP 0 16 0 17 0 17 0 19 0 20 0 21 0 22 0 23 0 24 0 25 Medium Red CFM 1251 1198 1149 1104 1066 1017 970 932 89...

Page 20: ...dium 2 Red CFM 1818 1770 1731 1693 1657 1621 1579 1546 1505 1436 BHP 0 56 0 57 0 59 0 60 0 62 0 63 0 64 0 66 0 67 0 66 Med High Orange CFM 1881 1849 1818 1793 1763 1729 1679 1610 1523 1479 BHP 0 67 0...

Page 21: ...1400CFM 12x20x1 12x20x1 305x508x25 305x508x25 2 0 2 5 0 09 0 14 0 16 0 18 0 25 0 28 0 3 1200 1800 CFM 16x24x1 14x24x1 406x610x25 356x610x25 3 0 3 5 0 10 0 11 0 12 0 13 0 14 0 16 0 16 1500 2200 CFM 16x...

Page 22: ...12 0 14 0 16 0 18 20 kW 0 00 0 00 0 02 0 04 0 06 0 08 0 09 0 11 0 13 0 15 0 17 0 19 Large Cabinet 36 60 STATIC STANDARD CFM SCFM 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400...

Page 23: ...23 A13144 Fig 15 Connection Wiring Diagram without Advanced Dehumidification AD FIOP 208 230 1 60 50VR...

Page 24: ...24 A13145 Fig 15 Cont Ladder Wiring Diagram without Advanced Dehumidification AD FIOP 208 230 1 60 50VR...

Page 25: ...D 7 THIS FUSE IS MANUFACTURED BY LITTLE FUSE P N 287003 8 N E C CLASS 2 24V 9 TO USE THE ADVANCED DEHUMIDIFICATION FEATURE CUT JUMPER 1 SCHEMATIC 208 230V 1 60 BLK OF2 OF1 BLK BLK DR ON DB FIELD SPLIC...

Page 26: ...JUMPERED TEST PINS USE METAL OBJECT FIELD SPEED UP CYCLE 1 MOMENTARILY SHORT PINS AND RELEASE TO BYPASS COMPRESSOR OFF DELAY 2 SHORT FOR 5 SEC AND RELEASE FOR FORCED DEFROST 3 PERMANENT SHORT WILL BE...

Page 27: ...27 A13146 Fig 17 Connection Wiring Diagram 208 230 3 60 50VR...

Page 28: ...28 A13147 Fig 17 Cont Ladder Wiring Diagram 208 230 3 60 50VR...

Page 29: ...29 A13148 Fig 18 Connection Wiring Diagram 460 3 60 50VR...

Page 30: ...30 A13149 Fig 18 Cont Ladder Wiring Diagram 460 3 60 50VR...

Page 31: ...31 A170012 Fig 19 Cooling Charging Chart 50VR...

Page 32: ...ace the filter with the same dimensional size and type as originally installed See Table 1 for recommended filter sizes Inspect air filter s at least once each month and replace throwaway type or clea...

Page 33: ...n and condensate drain line when inspecting the coils Clean the drain pan and condensate drain by removing all foreign matter from the pan Flush the pan and drain trough with clear water Do not splash...

Page 34: ...tch NOTE Because these switches are attached to refrigeration system under pressure it is not advisable to remove this device for troubleshooting unless you are reasonably certain that a problem exist...

Page 35: ...tem Do not unsweat a filter drier from the system Heat from unsweating will release moisture and contaminants from drier into system Puron R 410A Refrigerant Charging Refer to unit information plate a...

Page 36: ...capacitor overload or start relay Determine cause and replace Defective thermostat Replace thermostat Faulty condenser fan motor or capacitor Replace Restriction in refrigerant system Locate restrict...

Page 37: ...VOLTAGE COMPRESSOR AMPS INDOOR EVAPORATOR FAN AMPS TEMPERATURES OUTDOOR CONDENSER AIR TEMPERATURE DB RETURN AIR TEMPERATURE DB WB COOLING SUPPLY AIR DB WB HEAT PUMP SUPPLY AIR ELECTRIC HEAT SUPPLY AIR...

Page 38: ...p S 7310 W Morris St S Indianapolis IN 46231 Edition Date 09 19 Manufacturer reserves the right to change at any time specifications and designs without notice and without obligations Catalog No 50VR...

Reviews: