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York PREDATOR DM 090, Руководство по установке

York PREDATOR DM 090 - мощный и эффективный продукт для обогрева помещений. Простая установка с использованием инструкции по установке. Пользователи могут скачать руководство бесплатно с manualshive.com для получения всех необходимых сведений о продукте. Создайте уют и комфорт в своем доме с York PREDATOR DM 090.

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127408-YIM-B-0606

32

Unitary Products Group

TABLE 34: BLOWER PERFORMANCE 10 TON OPTIONAL MOTOR - DOWNSHOT (IMPERIAL)

ESP

(iwg)

Turns Open

0

1

2

3

4

5

CFM

Watts

BHP

CFM

Watts

BHP

CFM

Watts

BHP

CFM

Watts

BHP

CFM

Watts

BHP

CFM

Watts

BHP

0.2

-

-

-

-

-

-

-

-

-

-

-

-

4966

2666

2.86

4605

2290

2.46

0.4

-

-

-

-

-

-

-

-

-

4919

2473

2.65

4721

2515

2.70

4344

2145

2.30

0.6

-

-

-

-

-

-

4929

3022

3.24

4665

2324

2.49

4450

2353

2.52

4048

1991

2.13

0.8

-

-

-

4908

3197

3.43

4668

2841

3.05

4391

2171

2.33

4151

2183

2.34

3717

1829

1.96

1.0

4915

3456

3.71

4651

3013

3.23

4388

2656

2.85

4096

2015

2.16

3825

2008

2.15

3352

1664

1.78

1.2

4653

3253

3.49

4377

2823

3.03

4089

2467

2.65

3779

1858

1.99

3471

1830

1.96

2951

1499

1.61

1.4

4372

3046

3.27

4087

2631

2.82

3771

2277

2.44

3442

1703

1.83

3090

1652

1.77

-

-

-

1.6

4070

2837

3.04

3780

2437

2.61

3434

2089

2.24

3084

1552

1.66

-

-

-

-

-

-

1.8

3748

2629

2.82

3455

2243

2.41

3078

1904

2.04

-

-

-

-

-

-

-

-

-

2.0

3406

2425

2.60

3114

2051

2.20

-

-

-

-

-

-

-

-

-

-

-

-

2.2

3044

2228

2.39

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

TABLE 35: BLOWER PERFORMANCE 10 TON OPTIONAL MOTOR - DOWNSHOT (METRIC)

ESP

(Pa)

Turns Open

0

1

2

3

4

5

m

3

/s

In

(kW)

Out

(kW)

m

3

/s

In

(kW)

Out

(kW)

m

3

/s

In

(kW)

Out

(kW)

m

3

/s

In

(kW)

Out

(kW)

m

3

/s

In

(kW)

Out

(kW)

m

3

/s

In

(kW)

Out

(kW)

50

-

-

-

-

-

-

-

-

-

-

-

-

2.34

2.67

2.13

2.17

2.29

1.83

100

-

-

-

-

-

-

-

-

-

2.32

2.47

1.98

2.23

2.51

2.01

2.05

2.15

1.72

149

-

-

-

-

-

-

2.33

3.02

2.42

2.20

2.32

1.86

2.10

2.35

1.88

1.91

1.99

1.59

199

-

-

-

2.32

3.20

2.56

2.20

2.84

2.27

2.07

2.17

1.74

1.96

2.18

1.75

1.75

1.83

1.46

249

2.32

3.46

2.76

2.20

3.01

2.41

2.07

2.66

2.12

1.93

2.01

1.61

1.81

2.01

1.61

1.58

1.66

1.33

299

2.20

3.25

2.60

2.07

2.82

2.26

1.93

2.47

1.97

1.78

1.86

1.49

1.64

1.83

1.46

1.39

1.50

1.20

349

2.06

3.05

2.44

1.93

2.63

2.10

1.78

2.28

1.82

1.62

1.70

1.36

1.46

1.65

1.32

-

-

-

399

1.92

2.84

2.27

1.78

2.44

1.95

1.62

2.09

1.67

1.46

1.55

1.24

-

-

-

-

-

-

448

1.77

2.63

2.10

1.63

2.24

1.79

1.45

1.90

1.52

-

-

-

-

-

-

-

-

-

498

1.61

2.43

1.94

1.47

2.05

1.64

-

-

-

-

-

-

-

-

-

-

-

-

548

1.44

2.23

1.78

-

-

-

-

-

-

-

-

-

-

-

-

-

-

-

Содержание PREDATOR DM 090

Страница 1: ...the words NOTE CAUTION and WARNING Notes are intended to clarify or make the installation easier Cautions are given to prevent equipment damage Warnings are given to alert installer that personal injury and or equipment damage may result if installation procedure is not handled properly CONTENTS GENERAL 5 SAFETY CONSIDERATIONS 5 INSPECTION 5 REFERENCE 6 RENEWAL PARTS 6 APPROVALS 6 NOMENCLATURE 7 I...

Страница 2: ...OMIZER WITH DUAL ENTHALPY SENSORS 40 ECONOMIZER WITH POWER EXHAUST 41 MOTORIZED OUTDOOR AIR DAMPERS 41 COOLING OPERATION ERRORS 41 HIGH PRESSURE LIMIT SWITCH 41 LOW PRESSURE LIMIT SWITCH 41 FREEZESTAT 41 LOW AMBIENT COOLING 41 SAFETY CONTROLS 41 COMPRESSOR PROTECTION 42 FLASH CODES 42 RESET 42 ELECTRIC HEATING SEQUENCE OF OPERATIONS 42 ELECTRIC HEAT OPERATION ERRORS 42 TEMPERATURE LIMIT 42 SAFETY ...

Страница 3: ...NUM WITH PANEL 15 15 DISCHARGE PANEL IN PLACE 15 16 CONDENSATE DRAIN 15 17 ELECTRONIC THERMOSTAT FIELD WIRING 17 Fig Pg 18 FIELD WIRING 24 VOLT THERMOSTAT 17 19 FIELD WIRING DISCONNECT COOLING UNIT WITH OR WITHOUT ELECTRIC HEAT 18 20 FIELD WIRING DISCONNECT COOLING UNIT WITH GAS HEAT 18 21 SIDE ENTRY GAS PIPING 21 22 BOTTOM ENTRY GAS PIPING 21 23 ENTHALPY SET POINT CHART 25 24 HONEYWELL ECONOMIZER...

Страница 4: ...MPERIAL 29 27 BLOWER PERFORMANCE 12 1 2 TON SIDE DUCT METRIC 29 28 BLOWER PERFORMANCE 7 1 2 TON STANDARD MOTOR DOWNSHOT IMPERIAL 30 Tbl Pg 29 BLOWER PERFORMANCE 7 1 2 TON STANDARD MOTOR DOWNSHOT METRIC 30 30 BLOWER PERFORMANCE 7 1 2 TON OPTIONAL MOTOR DOWNSHOT IMPERIAL 30 31 BLOWER PERFORMANCE 7 1 2 TON OPTIONAL MOTOR DOWNSHOT METRIC 31 32 BLOWER PERFORMANCE 10 TON STANDARD MOTOR DOWNSHOT IMPERIAL...

Страница 5: ...it If damage is evident the extent of the damage should be noted on the carrier s freight bill A separate request for inspection by the carrier s agent should be made in writing Should overheating occur or the gas supply fail to shut off shut off the manual gas valve to the furnace before shutting off the electrical supply Do not use this furnace if any part has been under water Immediately call a...

Страница 6: ...ric heat or a forced air furnace 2 For outdoor installation only 3 For installation on combustible material and may be installed directly on combustible flooring or in the U S on wood flooring or Class A Class B or Class C roof cov ering materials 4 For use with natural gas convertible to LP with kit The installer should pay particular attention to the words NOTE CAUTION and WARNING NOTES are inte...

Страница 7: ...yle A B Style B C Style C A No Options Installed Installation Options B Option 1 C Option 2 D Options 1 2 E Option 3 F Option 4 G Options 1 3 H Options 1 4 J Options 1 2 3 K Options 1 2 4 L Options 1 3 4 M Options 1 2 3 4 N Options 2 3 P Options 2 4 Q Options 2 3 4 R Options 3 4 S Option 5 T Options 1 5 U Options 1 3 5 V Options 1 4 5 W Options 1 3 4 5 X Options 3 5 Y Options 4 5 Z Options 3 4 5 1...

Страница 8: ...ing plate specified on Page 47 of these instructions 5 This equipment is not to be used for temporary heating of buildings or structures under construction PRECEDING INSTALLATION 1 Remove the two screws holding the brackets in the front rear and compressor side fork lift slots 2 Turn each bracket toward the ground and the protective plywood covering will drop to the ground 3 Remove the condenser c...

Страница 9: ...ng in a hazardous condition If it is subjected to a pressure greater than 1 2 PSIG the gas valve must be replaced The furnace must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas sup ply piping system at test pressures equal to or less than 1 2 PSIG FIGURE 4 PREDATOR COMPONENT LOCATION 5RRI FXUEV LQ HLJKW DQG IRXU...

Страница 10: ...ift Slotted openings in the base rails are provided for this purpose LENGTH OF FORKS MUST BE A MINIMUM OF 60 INCHES 1524 mm TABLE 1 UNIT VOLTAGE LIMITATIONS Power Rating Utilization range A in accordance with ARI Standard 110 Minimum Maximum 380 415 3 50 342 456 TABLE 2 UNIT TEMPERATURE LIMITATIONS Temperature Min Max Wet Bulb Temperature F C of Air on Evaporator Coil 57 14 72 22 Dry Bulb Temperat...

Страница 11: ...99 3 244 110 7 150 180 81 6 161 73 145 65 8 212 96 2 235 107 262 118 8 FIGURE 6 UNIT 6 POINT LOAD Unit Model Number X Y DM090 38 965 2 23 584 2 DM120 47 1 2 1206 5 25 1 2 647 7 DM150 47 1 2 1206 5 25 1 2 647 7 D A C B E F L E F T F R O N T X Y LEFT FRONT Do not permit overhanging structures or shrubs to obstruct condenser air discharge outlet combustion air inlet or vent outlets Excessive exposure...

Страница 12: ...U QWU 7 5217 RQYHQLHQFH 3RZHU 2XWOHW QWU 127 LQGLFDWHV GLPHQVLRQV JLYHQ LQ PLOOLPHWHUV RU UDLQ LPHQVLRQV 6HH HWDLO 8 TABLE 6 UNIT HEIGHT Unit Model Number X DM090 42 1067 DM120 50 3 4 1289 DM150 50 3 4 1289 TABLE 7 UNIT CLEARANCES In inches and millimeters in mm Top Units must be installed outdoors Overhanging struc ture or shrubs should not obstruct condenser air dis charge outlet 72 1830 Right 1...

Страница 13: ...T B o t t o m g a s s u p p l y e n t r y B o t t o m P o w e r C o n t r o l a n d C o n v e n i e n c e O u t l e t W i r i n g E n t r y N O T E X X X I N D I C A T E S D I M E N S I O N S I N M I L L I M E T E R S F R O N T FIGURE 10 REAR DUCT DIMENSIONS TABLE 8 REAR DUCT DIMENSIONS Cabinet Size Dimensions A B C 50 3 4 1289 28 1 4 717 18 1 16 459 28 1 4 717 42 1067 27 3 4 705 12 1 16 308 27 1 ...

Страница 14: ...s The panels removed from the side duct connections are designed to be reused by securing each panel to its respective downflow opening But keep in mind that the supply panel is installed with the painted surface UP facing the heat exchanger while the return panel is installed with the painted surface DOWN facing the downflow duct opening The supply panel is secured with the bracket already in pla...

Страница 15: ...hipping FILTERS Two inch filters are supplied with each unit One inch filters may be used with no modification to the filter racks Filters must always be installed ahead of evaporator coil and must be kept clean or replaced with same size and type Dirty fil ters reduce the capacity of the unit and result in frosted coils or safety shutdown All units use four 4 20 x25 x2 filters The unit should not...

Страница 16: ... be of the type shown on the wiring diagram and the same minimum gauge as the replaced wire A disconnect must be utilized for these units When installing a disconnect refer to Figure 4 for the recommended mount ing location NOTE Since not all local codes allow the mounting of a dis connect on the unit please confirm compliance with local code before mounting a disconnect on the unit Electrical lin...

Страница 17: ...1 0 0 2 4 i n c l u d e s s u b b a s e 2 T e r m i n a l s A 1 a n d A 2 p r o v i d e a r e l a y o u t p u t t o c l o s e t h e o u t d o o r e c o n o m i z e r d a m p e r s w h e n t h e t h e r m o s t a t s w i t c h e s t o t h e s e t b a c k p o s i t i o n 2 4 V o l t T r a n s f o r m e r 2 T O R E M O T E S E N S O R 2 E T 0 4 7 0 1 3 2 4 I F U S E D FIGURE 18 FIELD WIRING 24 VOLT T...

Страница 18: ... COOLING UNIT WITH OR WITHOUT ELECTRIC HEAT TERMINAL BLOCK TB1 FIELD SUPPLIED DISCONNECT GROUND LUG THREE PHASE POWER SUPPLY FIGURE 20 FIELD WIRING DISCONNECT COOLING UNIT WITH GAS HEAT L1 T1 L2 T2 T3 L3 FIELD SUPPLIED DISCONNECT THREE PHASE POWER SUPPLY GROUND LUG CONTACTOR 1M ...

Страница 19: ... Circuit Ampacity Amps MCA w Power Exhaust Amps Max Fuse Size Amps Max Fuse Size w Power Exhaust Amps RLA ea LRA ea FLA ea 2 HP 1 5 kW 4 HP 3 kW FLA 2 HP 1 5 kW 4 HP 3 kW 2 HP 1 5 kW 4 HP 3 kW 2 HP 1 5 kW 4 HP 3 kW 2 HP 1 5 kW 4 HP 3 kW 380 9 6 80 1 1 5 2 7 5 2 2 None 29 0 31 3 31 2 33 5 35 40 40 40 2TP04521850 11 3 17 2 29 0 31 3 31 2 33 5 35 40 40 40 2TP04522450 15 0 22 8 35 0 37 9 37 7 40 6 35 ...

Страница 20: ...m HACR breaker of the same amp size is acceptable TABLE 13 PHYSICAL DATA Component Models 090 120 150 Evaporator Blower Blower Centrifugal Dia X Wd in Dia X Wd mm 12 x 12 305 x 305 15 x 15 381 x 381 15 x 15 381 x 381 Motor Standard HP kW 3 2 2 2 1 5 4 3 Motor Optional HP kW 3 2 2 4 3 N A Evaporator Coil Rows 2 3 4 Fins per 2 54 cm 1 in 15 15 15 Height in mm 32 810 40 1020 40 1020 Face Area ft 2 m2...

Страница 21: ...1 should be followed in all cases unless superseded by local codes or gas utility requirements Refer to the Pipe Sizing Table 16 The heating value of the gas may differ with locality The value should be checked with the local gas utility NOTE There may be a local gas utility requirement specify ing a minimum diameter for gas piping All units require a one inch pipe connection at the entrance fitti...

Страница 22: ...p solution or other material suitable for the purpose NEVER USE A FLAME TABLE 16 GAS PIPE SIZING CAPACITY OF PIPE Length of Pipe ft m Nominal Iron Pipe Size 3 4 in 1 in 1 1 4 in 10 3 278 7 8 520 14 7 1050 29 7 20 6 190 5 3 350 9 9 730 20 6 30 9 1 152 4 3 285 8 590 16 7 40 12 1 130 3 6 245 6 9 500 14 1 50 15 2 115 3 2 215 6 440 12 4 60 18 2 105 2 9 195 5 5 400 12 4 70 21 3 96 2 7 180 5 370 10 4 80 ...

Страница 23: ...tructions for installation These heat ers mount in the heat compartment with the heating elements extending into the supply air chamber All electric heaters are fused and intended for use with single point power supply MOTORIZED OUTDOOR DAMPER The Motorized Outdoor Damper can be a factory installed option or a field installed accessory If factory installed refer to the instructions included with t...

Страница 24: ... WITH OUT POWER EXHAUST With no power exhaust option adjust the Exhaust Air Adjustment Screw fully clockwise This will allow 2nd stage cooling to operate With power exhaust option each building pressurization requirement will be different The point at which the power exhaust comes on is determined by the econo mizer damper position Percent Open The Exhaust Air Adjustment Screw should be set at the...

Страница 25: ... C C B B A A CONTROL CURVE CONTROL POINT APPROX 0 F 0 C AT 50 RH A D C B 63 17 73 23 70 21 67 19 FIGURE 24 HONEYWELL ECONOMIZER CONTROL W7212 N1 N P1 P EXH Set EXH Min Pos IAQ Max IAQ IAQ Min Free Cool T T1 AQ1 AQ SO SO SR SR A B C D TR TR1 24 Vac HOT 24 Vac COM EF EF1 2 3 4 5 1 Exhaust Air Adjustment Screw Exhaust Air LED Damper Min Position Screw Indoor Air Quality Max Adjustment Screw Indoor Ai...

Страница 26: ...te correctly Units are properly phased at the fac tory Do not change the internal wiring to make the blower condenser fans or compressor rotate cor rectly TABLE 17 SUPPLY AIR LIMITATIONS Unit Size Minimum CFM m3 sec Maximum CFM m3 sec 090 2250 1 3750 1 7 120 3000 1 4 5000 2 3 150 3750 1 7 6250 2 9 FIGURE 25 BELT ADJUSTMENT Procedure for adjusting belt tension 1 Loosen six nuts top and bottom A 2 A...

Страница 27: ... 1 07 1 12 1 17 0 94 0 99 1 02 0 81 249 1 42 1 83 1 46 1 30 1 58 1 27 1 20 1 40 1 28 1 09 1 23 0 98 0 95 1 05 0 84 0 77 0 88 0 70 299 1 30 1 72 1 38 1 20 1 51 1 21 1 05 1 29 1 17 0 89 1 08 0 91 349 1 15 1 57 1 25 1 03 1 35 1 08 0 83 1 11 1 01 399 0 98 1 41 1 26 TABLE 20 BLOWER PERFORMANCE 7 1 2 TON OPTIONAL MOTOR SIDE DUCT IMPERIAL ESP iwg Turns Open 0 1 2 3 4 5 CFM Watts BHP CFM Watts BHP CFM Wat...

Страница 28: ...6 1 89 2 04 2 08 1 66 1 93 1 84 1 47 1 82 1 65 1 32 1 69 1 43 1 14 149 2 13 2 50 2 00 2 03 2 22 1 77 1 90 1 94 1 55 1 75 1 68 1 34 1 63 1 50 1 20 1 49 1 29 1 03 199 1 99 2 33 1 87 1 88 2 06 1 65 1 73 1 78 1 43 1 59 1 55 1 24 1 43 1 35 1 08 249 1 85 2 17 1 74 1 74 1 92 1 54 1 54 1 62 1 30 1 28 1 33 1 06 299 1 66 1 98 1 58 1 46 1 69 1 35 349 1 32 1 66 1 33 TABLE 24 BLOWER PERFORMANCE 10 TON OPTIONAL...

Страница 29: ...2 94 4646 2314 2 48 0 8 5870 4273 4 58 5567 3715 3 98 5406 3380 3 62 5078 2937 3 15 4839 2584 2 77 4347 2153 2 31 1 0 5652 4087 4 38 5327 3518 3 77 5075 3117 3 34 4767 2730 2 93 4487 2377 2 55 3946 1942 2 08 1 2 5350 3820 4 10 5068 3308 3 55 4742 2881 3 09 4427 2513 2 69 4108 2159 2 32 1 4 5079 3595 3 86 4787 3105 3 33 4452 2713 2 91 4012 2259 2 42 3665 1926 2 07 1 6 4739 3316 3 56 4482 2892 3 10 ...

Страница 30: ... kW m3 s In kW Out kW m3 s In kW Out kW 50 1 64 2 11 1 68 1 53 1 83 1 46 1 44 1 64 1 39 1 34 1 44 1 15 1 25 1 27 1 01 1 14 1 12 0 89 100 1 53 1 98 1 58 1 42 1 72 1 38 1 32 1 52 1 38 1 22 1 33 1 07 1 12 1 17 0 94 0 99 1 02 0 81 149 1 42 1 83 1 46 1 30 1 58 1 27 1 20 1 40 1 28 1 09 1 23 0 98 0 95 1 05 0 84 0 77 0 88 0 70 199 1 30 1 72 1 38 1 20 1 51 1 21 1 05 1 29 1 17 0 89 1 08 0 91 249 1 15 1 57 1...

Страница 31: ...s BHP CFM Watts BHP CFM Watts BHP CFM Watts BHP 0 2 4543 2511 2 69 4362 2250 2 41 4139 1996 2 14 3911 1766 1 89 3719 1594 1 71 3518 1407 1 51 0 4 4311 2381 2 55 4115 2127 2 28 3862 1871 2 01 3611 1644 1 76 3386 1471 1 58 3153 1293 1 39 0 6 4032 2232 2 39 3804 1982 2 13 3508 1720 1 84 3246 1506 1 61 2971 1332 1 43 0 8 3706 2068 2 22 3428 1818 1 95 3078 1548 1 66 1 0 3333 1892 2 03 2989 1644 1 76 1 ...

Страница 32: ... 1552 1 66 1 8 3748 2629 2 82 3455 2243 2 41 3078 1904 2 04 2 0 3406 2425 2 60 3114 2051 2 20 2 2 3044 2228 2 39 TABLE 35 BLOWER PERFORMANCE 10 TON OPTIONAL MOTOR DOWNSHOT METRIC ESP Pa Turns Open 0 1 2 3 4 5 m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW 50 2 34 2 67 2 13 2 17 2 29 1 83 100 2 32 2 47 1 98 2 23 2 51 2 01 2 05 2 15 1 72 1...

Страница 33: ... 4087 3621 2 82 3771 2277 2 44 1 6 4070 2837 3 04 3780 2437 2 61 1 8 3748 2629 2 82 TABLE 37 BLOWER PERFORMANCE 12 1 2 TON DOWNSHOT METRIC ESP Pa Turns Open 0 1 2 3 4 5 m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW m3 s In kW Out kW 100 2 63 4 01 3 21 2 53 3 55 2 84 2 44 3 20 2 56 2 36 2 88 2 31 2 23 2 51 2 01 2 05 2 15 1 72 149 2 54 3 84 3 07 2 43 3 38 ...

Страница 34: ...red CFM see SUP PLY AIR DRIVE ADJUSTMENT 6 After readings have been obtained remove the tubes and replace the dot plugs METHOD TWO 1 Drill two 5 16 inch holes one in the return air duct as close to the inlet of the unit as possible and another in the supply air duct as close to the outlet of the unit as possible 2 Using the whole drilled in step 1 insert eight inches of 1 4 inch metal tubing into ...

Страница 35: ...oducts Group 35 FIGURE 26 DRY COIL DELTA P 50 CABINET 0 0 LUIORZ 0 U RLO HOWD 3 35 725 1 7 81 76 1 225 2 35 6685 523 96 5 2 FIGURE 27 DRY COIL DELTA P 42 CABINET 35 725 1 7 81 76 1 225 2 35 6685 523 96 5 2 LUIORZ 0 U RLO HOWD 3 0 ...

Страница 36: ... the required DD for the new motor sheave 4 000 CFM 3 750 CFM Use Table 43 to locate the DD nearest to 4 21 in Close the sheave to 1 turn open New BHP 3 Speed increase BHP at 3 800 CFM 3 Speed increase Original BHP New BHP New motor Amps 3 Speed increase Amps at 3 800 CFM 3 Speed increase Original Amps New Amps Before making any blower speed changes review the installation for any installation err...

Страница 37: ...6300 0 60 0 07 0 50 0 53 0 56 0 59 0 65 Add these resistance values to the available static resistance in the respective Blower Performance Tables Deduct these resistance values from the available external static pressure shown in the respective Blower Performance Table The pressure drop through the economizer is greater for 100 outdoor air than for 100 return air If the resistance of the return a...

Страница 38: ... 149 0 17 4 124 2 131 6 139 1 146 5 161 4 Add these resistance values to the available static resistance in the respective Blower Performance Tables Deduct these resistance values from the available external static pressure shown in the respective Blower Performance Table The pressure drop through the economizer is greater for 100 outdoor air than for 100 return air If the resistance of the return...

Страница 39: ...en Datum Dia in mm Turns Open Datum Dia in mm 0 4 4 111 7 1 5 3 134 6 1 2 4 3 109 2 1 1 2 5 2 132 1 4 2 106 6 2 5 1 129 5 1 1 2 4 1 104 1 2 1 2 5 0 127 2 4 0 101 6 3 4 9 124 4 2 1 2 3 9 99 3 1 2 4 8 121 9 3 3 8 96 5 4 4 7 119 3 3 1 2 3 7 94 4 1 2 4 6 116 8 4 3 6 91 4 5 4 5 114 3 4 1 2 3 5 88 9 5 1 2 4 4 111 7 5 3 4 86 3 6 4 3 109 2 ...

Страница 40: ...ked out If there is an initial call for both stages of cooling the UCB will delay energizing compressor 2 by 30 seconds in order to avoid a power rush Once the thermostat has been satisfied it will de energize Y1 and Y2 If the compressors have satisfied their minimum run times the compressors and condenser fans are de ener gized Otherwise the unit operates each cooling system until the minimum run...

Страница 41: ... idle stop the con denser fans If the call for cooling is still present at the conclusion of the ASCD the UCB will re energize the halted compressor Should a low pressure switch open three times within one hour of operation the UCB will lock out the associated com pressor and flash a code Table 52 If the other compressor is inactive the condenser fans will be de energized FREEZESTAT During cooling...

Страница 42: ... will cycle the electric heat to satisfy the heating requirements of the conditioned space ELECTRIC HEAT OPERATION ERRORS TEMPERATURE LIMIT If the UCB senses zero volts from the high temperature limit the indoor blower motor is immediately energized This limit is monitored regardless of unit operation status i e the limit is monitored at all times If the temperature limit opens three times within ...

Страница 43: ... performed between ignition attempts If the unit fails after three ignition attempts the furnace is locked out for one hour The furnace is monitored during this one hour period for unsafe conditions RECYCLE OPERATION When a flame is lost after the flame stabilization period a recycle operation occurs If the unit fails after five recycle attempts the furnace is locked out for one hour GAS HEATING O...

Страница 44: ...he control circuit includes the following safety controls PRESSURE SWITCH PS Once the draft motor has reached full speed and closes the pressure switch during a normal ignition sequence if the pressure sw opens for 2 seconds the GV will be de ener gized the ignition cycle is aborted and the ICB flashes the appropriate code See Table 53 Ignition Control Flash Codes The draft motor is energized unti...

Страница 45: ...or obstruction OPERATING INSTRUCTIONS LIGHTING THE MAIN BURNERS 1 Turn OFF electric power to unit 2 Turn room thermostat to lowest setting 3 Turn gas valve counter clockwise to ON position see 19 4 Turn ON electric power to unit 5 If thermostat set temperature is above room tempera ture the main burners will ignite If a second stage of heat is called for the main burners for second stage heat will...

Страница 46: ...ge is 60 of the full fire input and is considered the minimum input for the furnace The intended input for each furnace is shown in the table below The following Table applies to units operating on 60 Hz power only To determine the rate of gas flow Second Stage 1 Turn off all other gas appliances connected to the gas meter 2 Turn on the furnace and make sure the thermostat is calling for Second st...

Страница 47: ...here they will not be affected by radiant heat Increase the blower CFM to decrease the temperature rise decrease the blower CFM to increase the rise See SUPPLY AIR DRIVE ADJUSTMENT NOTE Each gas heat exchanger size has a minimum allowable CFM Below this CFM the limit will open BURNERS ORIFICES INSPECTION SERVICING Before checking or changing burners pilot or orifices CLOSE MAIN MANUAL SHUT OFF VAL...

Страница 48: ...O R S H I L O O N O F F M V C H I TABLE 50 7 5 TON SUPERHEAT CHARGING Outdoor Temp F Superheat at Compressor Suction F Airflow 3000 CFM Indoor WB Temp F 55 57 59 61 63 65 67 69 71 73 75 65 7 8 10 9 14 0 17 1 20 1 23 2 26 3 27 1 28 0 28 8 29 7 70 6 5 9 4 12 3 15 2 18 1 21 0 23 9 25 0 26 2 27 3 28 5 75 5 1 7 9 10 6 13 3 16 0 18 7 21 4 22 9 24 4 25 8 27 3 80 6 3 8 8 11 4 13 9 16 4 19 0 20 8 22 6 24 4...

Страница 49: ... 3 30 0 30 7 31 4 32 0 75 23 8 24 5 25 3 26 0 26 7 27 5 28 2 28 9 29 6 30 4 31 1 80 22 8 23 5 24 3 25 0 25 8 26 5 27 3 28 0 28 8 29 5 30 3 85 21 8 22 5 23 3 24 1 24 8 25 6 26 4 27 1 27 9 28 7 29 4 90 20 2 21 0 21 8 22 5 23 3 24 1 24 9 25 6 26 4 27 2 28 0 95 18 7 19 5 20 2 21 0 21 8 22 6 23 4 24 1 24 9 25 7 26 5 100 17 1 17 9 18 6 19 4 20 2 20 9 21 7 22 5 23 2 24 0 24 8 105 15 5 16 3 17 1 17 8 18 6...

Страница 50: ...ower con nected to the unit Use extreme care when working with live circuits Check the unit name plate for the correct line voltage and set the voltme ter to the correct range before making any connections with line terminals When not necessary shut off all electric power to the unit prior to any of the following maintenance proce dures so as to prevent personal injury Label all wires prior to dis...

Страница 51: ...tch Failed To Close Venter Pressure Switch Vent Blocked 4 Limit Switch Open Main Limit AUX Limit 5 Flame Present With Gas Off First Stage Gas Valve Energized With W1 Off Second Stage Gas Valve Energized With First Stage Gas Valve Off Gas Valve 6 Ignition Lockout Gas Flow Gas Pressure Gas Valve Flame Sensor STEADY OFF No Power Or Control Failure 24VAC or Control Check Alarm History Reset All ASCDs ...

Страница 52: ...ng Yes Yes Loss of Call for Heating Loss of Call for Cooling Heat Off Cool Off Yes Yes No Call for ID Blower Fan off 10 secs Energize ID Blower Motor Yes Yes No Programming Program Unit Control Board Trip Failure No No Lossof Call for ID Blower Turn off ID Blower Motor Fan on 30 secs Yes No Yes No No Yes Yes No FIGURE 32 POWER ON FLOW CHART Power to Unit Initialize ASCD Call for heat Voltage Gas V...

Страница 53: ...l a g a l a r m C a l l f o r H e a t w o u t G V v o l t a g e N o v o l t a g e 5 m i n F l a g A l a r m F O S i n p u t r e g a i n e d I n c r e a s e i n c i d e n t v a l u e b y 1 N o F O S i n p u t 1 5 m i n u t e s F l a g a l a r m t u r n o n X l i n e G V v o l t a g e w o u t c a l l f o r h e a t G V v o l t a g e 5 m i n F l a g a l a r m l o c k o n I D b l o w e r L o s s o f G ...

Страница 54: ...to the G terminal of the UCB and for loose wiring 10 If the thermostat and UCB are properly wired replace the UCB On calls for cooling the supply air blower motor is operating but compressor 1 is not the room thermostat fan switch is in the AUTO position 1 If installed check the position of the economizer blades If the blades are open the economizer is providing free cooling and the compressors wi...

Страница 55: ...tributors can test the UCB for this programming For units with factory installed economizers the UCB is programmed to lock out compressor operation when the LAS set point is reached For units without factory installed or with field installed economizers the UCB allows compressor operation all the time This programming can be checked or changed by the local distributor 15 If none of the above corre...

Страница 56: ...essor 1 is locked out Press and release the ALARMS button if the LED is not flashing an alarm 2 Check for line voltage at the compressor contactor M1 and that the contactor is pulled in Check for loose wiring between the contactor and the compressor 3 If M1 is pulled in and voltage is supplied at M1 lightly touch the compressor housing If it is hot the compres sor may be off on inherent protection...

Страница 57: ...the error replace the UCB GAS HEAT TROUBLESHOOTING GUIDE On calls for heating the draft motor operates and the furnace lights but the supply air blower motor does not energize after a short delay the room thermostat fan switch is in AUTO position 1 Place the thermostat fan switch in the ON position If the supply air blower motor energizes go to Step 9 2 If the supply air blower motor does not ener...

Страница 58: ... check for 24 volts at the pressure switch terminal on the ICB If not present check for 24 volts on the terminal from the pressure switch If present go to step 4 If 24 volts is not present the either pressure or rollout switch is not closed Or the draft motor is not sufficiently evacuating the heat exchanger tubes or the pressure switch has failed Check the operation of the pressure switch Check t...

Страница 59: ...127408 YIM B 0606 Unitary Products Group 59 ...

Страница 60: ...ct to change without notice Printed in U S A 127408 YIM B 0606 Copyright 2006 by Unitary Products Group All rights reserved Supersedes 127408 YIM A 0405 Unitary 5005 Norman Products York OK Group Drive 73069 ...

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