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—

4. Remove the jumper across T and T1. The actuator

should drive fully closed.

5. Return EconoMi$er IV settings and wiring to normal

after completing troubleshooting.

G. EconoMi$er IV Troubleshooting Completion

This procedure is used to return the EconoMi$er IV to opera-
tion. No troubleshooting or testing is done by performing the
following procedure.

1. Disconnect power at TR and TR1.

2. Set enthalpy potentiometer to previous setting.

3. Set DCV maximum position potentiometer to previ-

ous setting.

4. Set minimum position, DCV set point, and exhaust

potentiometers to previous settings.

5. Remove 620-ohm resistor from terminals S

and +.

6. Remove 1.2 kilo-ohm checkout resistor from termi-

nals S

and +. If used, reconnect sensor from termi-

nals S

and +.

7. Remove jumper from TR to N.

8. Remove jumper from TR to 1.

9. Remove 5.6 kilo-ohm resistor from T and T1. Recon-

nect wires at T and T1.

10. Remove jumper from P to P1. Reconnect device at P

and P1.

11. Apply power (24 vac) to terminals TR and TR1.

Table 33 — EconoMi$er IV Input/Output Logic

*For single enthalpy control, the module compares outdoor enthalpy

to the ABCD set point.

†Power at N terminal determines Occupied/Unoccupied setting:

24 vac (Occupied), no power (Unoccupied).

**Modulation is based on the supply-air sensor signal.

††Modulation is based on the DCV signal.

***Modulation is based on the greater of DCV and supply-air sensor

signals, between minimum position and either maximum position
(DCV) or fully open (supply-air signal).

†††Modulation is based on the greater of DCV and supply-air sensor

signals, between closed and either maximum position (DCV) or fully
open (supply-air signal).

INPUTS

OUTPUTS

Demand Control

Ventilation (DCV)

Enthalpy*

Compressor

N Terminal†

Outdoor

Return

Stage

Occupied

Unoccupied

Damper

Below set
(DCV LED Off)

High
(Free Cooling LED Off)

Low

Minimum position

Closed

Off

Low
(Free Cooling LED On)

High

Off

Modulating** (between min.
position and full-open)

Modulating** (between
closed and full-open)

Off

Minimum position

Closed

Above set
(DCV LED On)

High
(Free Cooling LED Off)

Low

Modulating†† (between min.
position and DCV maximum)

Modulating†† (between
closed and DCV
maximum)

Off

Low
(Free Cooling LED On)

High

Off

Modulating***

Modulating†††

Off

Fig. 54 — EconoMi$er IV Functional View

Содержание DURAPAC PLUS 551B

Страница 1: ...gasket supplied with the roof curb as shown in Fig 2 Improperly applied gasket can also result in air leaks and poor unit performance Curb should be level This is necessary for unit drain to func tion...

Страница 2: ...G AND PLACE UNIT Inspect unit for transportation damage File any claim with transportation agency Keep unit upright and do not drop Spreader bars are not required if top crating is left on unit Roller...

Страница 3: ...RBTMPWR001A01 and 2A01 are for thru the curb gas type Packages CRBTMPWR003A01 and 4A01 are for thru the bottom type gas connections ROOF CURB ACCESSORY A UNIT SIZE CRRFCURB003A01 1 2 356 551B090 150 C...

Страница 4: ...rating weights with the Perfect Humidity dehumidification system CAUTION All panels must be in place when rigging Fig 6 Rigging Details 551B OPERATING WEIGHT A B C lb kg in mm in mm in mm 090 755 343...

Страница 5: ...5 Fig 7 Base Unit Dimensions...

Страница 6: ...5 Nominal Cfm Standard 3000 3400 4000 5000 Maximum Continuous Bhp Standard 2 90 2 90 3 70 5 25 High Static 4 20 4 20 5 25 Motor Frame 56 56 56 56 Fan Rpm Range Standard 840 1085 840 1085 860 1080 830...

Страница 7: ...must be within range indicated on unit nameplate see Table 2 On 3 phase units voltages between phases must be balanced within 2 and the current within 10 Use the formula shown in Table 2 Note 2 on pag...

Страница 8: ...80 66 136 575 3 60 STD NO 518 632 4 8 34 0 4 8 34 0 2 0 7 3 4 14 6 20 15 94 17 0 16 4 23 8 20 22 95 34 0 32 7 44 3 45 41 95 STD YES 518 632 4 8 34 0 4 8 34 0 2 0 7 3 4 16 8 20 17 96 17 0 16 4 26 5 20...

Страница 9: ...68 7 70 63 171 50 0 60 1 66 1 80 75 171 STD YES 414 508 8 3 62 5 8 3 62 5 2 0 7 4 8 27 6 20 29 172 13 9 16 7 30 3 35 29 173 16 5 19 8 33 5 35 31 173 33 0 39 7 58 3 60 54 173 41 7 50 2 71 4 80 66 173 5...

Страница 10: ...n voltage of 215 v kW new 16 kW 215 240 2 kW new 12 8 kW rating at 215 v FLA Full Load Amps HACR Heating Air Conditioning and Refrigeration IFM Indoor Evaporator Fan Motor LRA Locked Rotor Amps MCA Mi...

Страница 11: ...lling holes in basepan C Heat Anticipator Settings For units with electric heat set heat anticipator settings as shown in Table 4 VI STEP 6 ADJUST FACTORY INSTALLED OPTIONS A Disconnect Switch The opt...

Страница 12: ...ions included with the Bryant Light Commercial Thermi distat device for more information Fig 12 Light Commercial Thermidistat Device Fig 13 Typical Perfect Humidity Dehumidification System Humidistat...

Страница 13: ...gn screw holes on hood with screw holes on side of manual outdoor air damper See Fig 16 and 17 Secure hood with 8 screws from Step 6 8 Adjust minimum position setting of the damper blade by adjusting...

Страница 14: ...ivider Push the filter into position past the open filter clips Close the filter clips to lock the filter into place See Fig 24 8 Caulk the ends of the joint between the unit top panel and the hood to...

Страница 15: ...oor Air Temperature POT Potentiometer RAT Return Air Temperature Potentiometer Defaults Settings Power Exhaust Middle Minimum Pos Fully Closed DCV Max Middle DCV Set Middle Enthalpy C Setting NOTES 1...

Страница 16: ...2 is an accessory aspirator box required for duct mounted applications CRCBDIOX005A00 is an accessory that contains both 33ZCSENCO2 and 33ZCASPCO2 accessories TEMPERATURE F RESISTANCE ohms 58 200 250...

Страница 17: ...ing location See Fig 19 When the outdoor air enthalpy rises above the outdoor enthalpy changeover set point the outdoor air damper moves to its minimum position The outdoor enthalpy changeover set poi...

Страница 18: ...1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 3 8 4 0 4 2 4 4 4 6 9 0 1 0 0 8 0 7 0 6 0 5 0 4 0 3 0 20 10 E N T H A L P Y B T U P E R P O U N D D R Y A I R 85 29 90 32 95 35 100 38 105 41 110 4...

Страница 19: ...er position remotely remove the factory installed jumper on the P and P1 terminals on the EconoMi er IV controller Wire the field supplied poten tiometer to the P and P1 terminals on the EconoMi er IV...

Страница 20: ...ection 5 Press Mode to exit and resume normal operation The custom settings of the CO2 sensor can be changed any time after the sensor is energized Follow the steps below to change the non standard se...

Страница 21: ...rest keyway of pulley hub and tighten setscrew See Table 1 for speed change for each full turn of pulley flange To align fan and motor pulleys 1 Loosen fan pulley setscrews 2 Slide fan pulley along fa...

Страница 22: ...EN 0 1 2 1 11 2 2 21 2 3 31 2 4 41 2 5 51 2 6 090 102 1085 1060 1035 1010 985 960 935 910 890 865 840 120 1080 1060 1035 1015 990 970 950 925 905 880 860 150 1130 1112 1087 1062 1037 1212 987 962 937...

Страница 23: ...he motor can be utilized with confidence Using fan motors up to the ratings shown will not result in nuisance trip ping or premature motor failure Unit warranty will not be affected For additional inf...

Страница 24: ...15 2004 3100 646 1 15 1071 711 1 41 1313 770 1 68 1568 824 1 97 1835 875 2 27 2114 3200 663 1 25 1162 726 1 51 1411 784 1 79 1672 837 2 09 1944 888 2 39 2229 3300 679 1 35 1259 741 1 62 1514 798 1 91...

Страница 25: ...1 86 1737 827 2 16 2017 878 2 48 2308 926 2 80 2610 3600 729 1 70 1583 787 1 99 1857 841 2 30 2144 892 2 62 2441 939 2 95 2749 3700 746 1 83 1703 803 2 13 1985 856 2 44 2277 906 2 77 2580 953 3 10 28...

Страница 26: ...000 697 1 37 1281 753 1 58 1474 804 1 79 1666 852 1 99 1857 897 2 20 2048 4100 712 1 47 1370 766 1 68 1567 817 1 89 1764 864 2 10 1960 909 2 31 2155 4200 726 1 57 1462 780 1 79 1665 830 2 00 1866 876...

Страница 27: ...67 817 1 89 1764 864 2 10 1960 909 2 31 2155 4200 726 1 57 1462 780 1 79 1665 830 2 00 1866 876 2 22 2067 920 2 43 2268 4300 741 1 67 1559 794 1 89 1767 843 2 12 1973 889 2 34 2179 932 2 56 2384 AIRFL...

Страница 28: ...99 882 2 49 2320 926 2 72 2541 968 2 96 2760 4700 800 2 14 1991 849 2 38 2219 895 2 62 2445 939 2 86 2670 980 3 10 2895 4800 815 2 26 2111 863 2 51 2344 909 2 76 2575 952 3 01 2805 993 3 25 3034 4900...

Страница 29: ...2 76 2575 952 3 01 2805 993 3 25 3034 4900 829 2 40 2235 877 2 65 2473 922 2 91 2709 965 3 16 2944 1005 3 41 3178 5000 844 2 54 2365 891 2 80 2608 936 3 06 2849 978 3 31 3089 1018 3 57 3328 AIRFLOW C...

Страница 30: ...53 977 3 78 3525 1018 4 07 3796 1057 4 36 4066 1094 4 65 4335 5700 950 3 67 3421 992 3 97 3698 1032 4 26 3974 1070 4 56 4249 1107 4 85 4522 5800 965 3 85 3594 1006 4 16 3876 1046 4 46 4157 1084 4 76 4...

Страница 31: ...8 660 1 23 1151 727 1 53 1422 787 1 82 1702 841 2 13 1991 3300 596 1 03 957 672 1 32 1228 738 1 61 1506 797 1 92 1792 851 2 24 2088 3400 609 1 10 1030 684 1 40 1308 749 1 71 1593 808 2 02 1887 861 2 3...

Страница 32: ...2 2 46 2294 3600 635 1 27 1187 708 1 59 1481 771 1 91 1781 829 2 24 2088 882 2 58 2403 3700 649 1 36 1272 720 1 69 1573 783 2 02 1881 840 2 35 2195 892 2 70 2517 3750 655 1 41 1316 726 1 74 1621 789 2...

Страница 33: ...09 1 42 1322 761 1 61 1506 812 1 82 1695 860 2 03 1890 4100 668 1 31 1223 722 1 51 1405 773 1 71 1593 822 1 92 1786 870 2 13 1984 4200 682 1 40 1305 734 1 60 1492 784 1 80 1683 833 2 02 1880 880 2 23...

Страница 34: ...773 1 71 1593 822 1 92 1786 870 2 13 1984 4200 682 1 40 1305 734 1 60 1492 784 1 80 1683 833 2 02 1880 880 2 23 2082 4300 696 1 49 1392 747 1 70 1582 796 1 91 1777 844 2 12 1979 890 2 34 2184 AIRFLOW...

Страница 35: ...751 1 91 1778 798 2 13 1984 844 2 35 2195 889 2 59 2412 932 2 82 2633 4800 765 2 02 1885 812 2 25 2095 856 2 48 2310 900 2 71 2531 942 2 95 2756 4900 779 2 14 1996 825 2 37 2210 869 2 61 2430 912 2 8...

Страница 36: ...856 2 48 2310 900 2 71 2531 942 2 95 2756 4900 779 2 14 1996 825 2 37 2210 869 2 61 2430 912 2 85 2654 953 3 09 2883 5000 793 2 26 2112 838 2 50 2330 881 2 74 2554 923 2 98 2782 965 3 23 3014 AIRFLOW...

Страница 37: ...3 99 3716 1021 4 26 3976 1057 4 55 4240 5900 921 3 61 3370 959 3 89 3626 997 4 17 3885 1033 4 45 4149 1069 4 74 4416 6000 935 3 79 3536 973 4 07 3795 1010 4 35 4059 1046 4 64 4326 1082 4 93 4598 6100...

Страница 38: ...s with o rings located inside the caps These valves can not be accessed for service in the field Ensure the plastic caps are in place and tight or the possibil ity of refrigerant leakage could occur V...

Страница 39: ...er IV When free cooling is not available the compressors will be controlled by the zone thermostat When free cooling is avail able the outdoor air damper is modulated by the EconoMi er IV control to p...

Страница 40: ...coil When in subcooling mode there is a slight decrease in sys tem total gross capacity 5 less a lower gross sensible capacity 20 less and a greatly increased latent capacity up to 40 more Hot Gas Reh...

Страница 41: ...pletion 6 Reinstall economizer or two position damper and filters 7 Reconnect wiring 8 Replace access panels B Condenser Coils Inspect coils monthly Clean condenser coils annually and as required by l...

Страница 42: ...he suction line Mount the temperature sensing device on the suction line and insulate it so that outdoor ambient temperature does not affect the reading Indoor air cfm must be within the normal operat...

Страница 43: ...43 Fig 47 Cooling Charging Charts Standard 551B090 Unit Fig 48 Cooling Charging Charts Standard 551B102 Unit...

Страница 44: ...44 Fig 49 Cooling Charging Charts Standard 551B120 Unit Fig 50 Cooling Charging Charts Standard 551B150 Unit...

Страница 45: ...ification coil liquid line solenoid valve MUST be energized to use the charging charts and the outdoor motor speed controller jumpered to run the fan at full speed Fig 52 Cooling Charging Chart 581B10...

Страница 46: ...Replace Restriction in refrigerant system Locate restriction and remove Compressor s Operates Continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size...

Страница 47: ...ification Coil Energized Thermostatic expansion valve TXV 1 Check TXV bulb mounting and secure tightly to suction line 2 Replace TXV if stuck open or closed PROBLEM CAUSE REMEDY Reheat Mode Will Not E...

Страница 48: ...tings and wiring to normal after completing troubleshooting D DCV Demand Controlled Ventilation and Power Exhaust To check DCV and Power Exhaust 1 Make sure EconoMi er IV preparation procedure has bee...

Страница 49: ...py to the ABCD set point Power at N terminal determines Occupied Unoccupied setting 24 vac Occupied no power Unoccupied Modulation is based on the supply air sensor signal Modulation is based on the D...

Страница 50: ...Heat anticipator settings 11 High flow valves 38 High pressure switch 6 Horizontal units 1 2 Humidistat 12 Indoor air quality sensor 18 Low pressure switch 6 Manual outdoor air damper 13 Mounting Unit...

Страница 51: ......

Страница 52: ...N AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING AND ORIFICE AND CHECK THAT SETSCREW IS TIGHT CHECK PULLEY ALIGNMENT AND BELT TENSION PER INS...

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