York Sun Select YV28 Manual Download Page 60

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VFD Customer supplied high static

Note:

•

MCA = minimum circuit ampacity

•

f/b = fuse/breaker

•

Fuse is a dual element, time delay type

•

Breaker is a HACR type per NEC

Table 42: YV28 to YV50 VFD Customer supplied high static without power exhaust

Comp. 1

Comp. 2

Comp. 3

Min

disconnect

rating

Min

disconnect

rating/120

V trans

Size
(tons)

Nominal

unit

voltage

RLA LRA RLA LRA RLA LRA

OD fan

motors

each

FLA

OD fan

motors

each

RLA

Supply

blower

motor

FLA

Supply

blower

motor

LRA

120 V
trans

FLA

MCA

Max

f/b

size

FLA

LRA

MCA
with

120 V
trans

Max

f/b

size

with

120 V
trans

FLA

LRA

208-3-60 41.0 304 22.4 149 22.4 149

4.0

21.0

36.0

234

14.4

148 175.0 158

920.0

162 200.0 175.0 934.4

230-3-60 41.0 304 22.4 149 22.4 149

4.2

21.0

36.0

234

13.0

149 175.0 159

920.0

162 200.0 174.3 933.0

460-3-60 19.2 147 10.6 75 10.6 75

2.1

10.5

18.0

117

6.5

90.0

456.0

90.0 84.3 462.5

YV28
(27.5)

575-3-60 16.7 122 7.7

7.7

1.6

7.8

14.2

95.94

5.2

70.0

357.1

75.0 66.6 362.3

208-3-60 44.2 315

164

4.0

21.0

36.0

234

14.4

157 200.0 168

961.0

172 200.0 184.7 975.4

230-3-60 44.2 315

164

4.2

21.0

36.0

234

13.0

158 200.0 169

961.0

171 200.0 184.0 974.0

460-3-60 22.4 158 12.8 100 12.8 100

2.1

10.5

18.0

117

6.5

100.0

517.0

100.0 93.0 523.5

YV30
(30)

575-3-60 18.6 136 9.6

9.6

1.6

7.8

14.2

95.94

5.2

80.0

419.1

80.0 73.1 424.3

208-3-60 48.1 351 27.6 191 27.6 191

21.0

36.0

234

14.4

167 200.0 179 1051.0 182 225.0 195.2 1065.4

230-3-60 48.1 351 27.6 191 27.6 191

4.2

21.0

36.0

234

13.0

168 200.0 180 1051.0 181 225.0 194.5 1064.0

460-3-60 24.7 197 12.8 100 12.8 100

2.1

10.5

18.0

117

6.5

100.0

556.0

110.0 95.7 562.5

YV35
(35)

575-3-60 22.4 135 9.6

9.6

1.6

7.8

14.2

95.94

5.2

90.0

418.1

90.0 77.5 423.3

208-3-60 48.1 351 27.6 191 27.6 191

21.0

48.0

312

14.4

179 225.0 192 1129.0 194 225.0 209.0 1143.4

230-3-60 48.1 351 27.6 191 27.6 191

4.2

21.0

48.0

312

13.0

180 225.0 193 1129.0 193 225.0 208.3 1142.0

460-3-60 24.7 197 12.8 100 12.8 100

2.1

10.5

24.0

156

6.5

110.0

595.0

110.0 102.6 601.5

YV40
(40)

575-3-60 22.4 135 9.6

9.6

1.6

7.8

19.1

126

5.2

90.0

448.2

100.0 83.1 453.4

208-3-60 67.3 485 39.1 267 39.1 267

7.2

39.6

48.0

312

14.4

239 300.0 256 1489.4 254 300.0 272.2 1503.8

230-3-60 67.3 485 39.1 267 39.1 267

6.8

39.6

48.0

312

13.0

238 300.0 254 1489.4 251 300.0 268.8 1502.4

460-3-60 32.7 215 18.6 142 18.6 142

3.4

19.8

24.0

156

6.5

116 125.0 124

734.2

122 150.0 131.1 740.7

YV50
(50)

575-3-60 26.3 175 15.4 103 15.4 103

2.7

15.8

19.1

126

5.2

110.0 100

570.2

125.0 106.0 575.4

Table 43: YV28 to YV50 VFD Customer supplied high static on/off power exhaust

Comp. 1

Comp. 2

Comp. 3

Electric heat option

field installed kit

Min

disconnect

rating

Min

disconnect

rating/120V

trans

Size
(tons)

Nominal

unit

voltage

RLA LRA RLA LRA RLA LRA

OD fan

motors

each

FLA

Supply

blower

motor

FLA

120V

trans

FLA

Mod

kW Stages

MCA

Max

f/b

size

FLA

LRA

MCA
with

120V

trans

Max

f/b

size

with

120V

trans

FLA

LRA

208-3-60 41.0 304 22.4 149 22.4 149

4.0

21.0

36.0 234 4.0

21.0

14.4

156

175

168

962

170

200

184

976

230-3-60 41.0 304 22.4 149 22.4 149

4.2

21.0

36.0 234 4.2

21.0

13.0

157

175

169

962

170

200

184

975

460-3-60 19.2 147 10.6 75 10.6 75

2.1

10.5

18.0 117 2.1

10.5

6.5

477

100

484

YV28
(27.5)

575-3-60 16.7 122 7.7

7.7

1.6

7.8

14.2 95.94 1.6

7.8

5.2

373

378

208-3-60 44.2 315

164

4.0

21.0

36.0 234 4.0

21.0

14.4

165

200

177 1003 180

200

194 1017

230-3-60 44.2 315

164

4.2

21.0

36.0 234 4.2

21.0

13.0

166

200

179 1003 179

200

194 1016

460-3-60 22.4 158 12.8 100 12.8 100

2.1

10.5

18.0 117 2.1

10.5

6.5

100

538

110

545

YV30
(30)

575-3-60 18.6 136 9.6

9.6

1.6

7.8

14.2 95.94 1.6

7.8

5.2

435

440

208-3-60 48.1 351 27.6 191 27.6 191

21.0

36.0 234

21.0

14.4

175

200

188 1093 190

225

204 1107

230-3-60 48.1 351 27.6 191 27.6 191

4.2

21.0

36.0 234 4.2

21.0

13.0

177

200

189 1093 190

225

204 1106

460-3-60 24.7 197 12.8 100 12.8 100

2.1

10.5

18.0 117 2.1

10.5

6.5

110

577

110

101

584

YV35
(35)

575-3-60 22.4 135 9.6

9.6

1.6

7.8

14.2 95.94 1.6

7.8

5.2

434

439

208-3-60 48.1 351 27.6 191 27.6 191

21.0

48.0 312 7.2

39.6

14.4

194

225

209 1208 208

250

226 1223

230-3-60 48.1 351 27.6 191 27.6 191

4.2

21.0

48.0 312 6.8

39.6

13.0

194

225

209 1208 207

250

224 1221

460-3-60 24.7 197 12.8 100 12.8 100

2.1

10.5

24.0 156 3.4

19.8

6.5

110

103

635

102

125

110

641

YV40
(40)

575-3-60 22.4 135 9.6

9.6

1.6

7.8

19.1 126 2.7

15.8

5.2

100

480

100

485

208-3-60 67.3 485 39.1 267 39.1 267

7.2

39.6

48.0 312 7.2

39.6

14.4

254

300

272 1569 268

325

289 1583

230-3-60 67.3 485 39.1 267 39.1 267

6.8

39.6

48.0 312 6.8

39.6

13.0

251

300

269 1569 264

325

284 1582

460-3-60 32.7 215 18.6 142 18.6 142

3.4

19.8

24.0 156 3.4

19.8

6.5

122

150

131

774

129

150

139

780

YV50
(50)

575-3-60 26.3 175 15.4 103 15.4 103

2.7

15.8

19.1 126 2.7

15.8

5.2

125

106

602

104

125

112

607

Installation Manual: YORK

Sun™ Select YV28 to YV50

Johnson Controls Ducted Systems

Summary of Contents for Sun Select YV28

Page 1: ...5759090 YIM A 0320 Revision A 0320 York International Corporation 5005 York Drive Norman OK 73069 www york com 2020 05 01 Johnson Controls Ducted Systems Installation Manual YORK Sun Select YV28 to YV50 ...

Page 2: ...Tested in accordance with ...

Page 3: ...atic 38 Constant volume medium static 40 Constant volume high static 42 VFD Two stage standard static 44 VFD Two stage medium static 46 VFD Two stage high static 48 VFD Four stage standard static 50 VFD Four stage medium static 52 VFD Four stage high static 54 VFD Customer supplied standard static 56 VFD Customer supplied medium static 58 VFD Customer supplied high static 60 Physical data 62 Optio...

Page 4: ...ay response 86 Cooling start up 87 Cooling pre start checklist 87 Operating the unit 87 Post start checklist 87 Gas heat start up 88 Gas heat pre start checklist 88 Operating instructions 88 Gas heat post start checklist 88 Shutting down the unit 88 Checking Gas Heat Input 90 To determine the rate of gas flow at Second Stage full input 90 To determine the rate of gas flow at First Stage minimum in...

Page 5: ...building electrical and mechanical codes WARNING This unit is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure they do not play with the unit...

Page 6: ... ANSI Z223 1 or CSA B149 1 latest edition Wear safety glasses and work gloves Use quenching cloth and have a fire extinguisher available during brazing operations This unit is classified as APPLIANCE NOT ACCESSIBLE TO GENERAL PUBLIC Inspection As soon as you receive a unit you must inspect it for possible damage during transit If damage is evident note the extent of the damage on the carrier s fre...

Page 7: ... the enclosed installation instructions and any applicable local state and national codes including but not limited to building electrical and mechanical codes WARNING Improper installation may create a condition where the operation of the product could cause personal injury or property damage CAUTION This system uses R 410A refrigerant which operates at higher pressures than R 22 No other refrige...

Page 8: ...Nomenclature Figure 1 Product nomenclature Installation Manual YORK Sun Select YV28 to YV50 8 Johnson Controls Ducted Systems ...

Page 9: ...perty damage Never test for gas leaks with an open flame Use a commercially available soap solution made specifically for the detection of leaks to check all connections This may result in a fire or explosion causing property damage personal injury or loss of life Limitations These units must be installed in accordance with national wiring regulations and the following standards Requirements in th...

Page 10: ...er is typically included in this type of application When you apply this product for process cooling applications such as computer rooms or switchgear call the applications department for Ducted Systems at 1 877 874 SERV for guidance Additional accessories may be needed for stable operation at temperatures below 30 F Installation Manual YORK Sun Select YV28 to YV50 10 Johnson Controls Ducted Syste...

Page 11: ...evaporator coil C Smart Equipment controls I Optional economizer Optional manual outside air dampers not shown D Full perimeter base rails with attached lifting lugs J Optional powered exhaust or barometric relief location not visible E Filter access 2 in or 4 in filter options K Scroll compressors in various arrangements to produce two stages or four stages of cooling depending on the selected mo...

Page 12: ...mance related problems Typical contaminates include the following items Permanent wave solution Chlorinated waxes and cleaners Chlorine based swimming pool chemicals Water softening chemicals Carbon tetrachloride Halogen type refrigerants Cleaning solvents for example perchloroethylene Printing inks Paint removers Varnishes Hydrochloric acid Cements and glues Anti static fabric softeners for cloth...

Page 13: ...ss the unit CAUTION If a unit is installed on a roof curb other than a YORK roof curb you must apply gasketing to all surfaces that come in contact with the unit underside CAUTION Before lifting the unit make sure that the unit weight is distributed equally on the rigging cables so that it lifts evenly CAUTION All panels must be secured in place when the unit is lifted The condenser coils must be ...

Page 14: ...Weights and dimensions Figure 3 YV28 to YV35 physical dimensions Installation Manual YORK Sun Select YV28 to YV50 14 Johnson Controls Ducted Systems ...

Page 15: ...Figure 4 YV40 to YV50 physical dimensions Installation Manual YORK Sun Select YV28 to YV50 15 Johnson Controls Ducted Systems ...

Page 16: ... outdoor air hood complete the following steps 1 While transporting the unit the hood top panel is used as a shipping cover attached to the unit exterior as shown in Figure 7 Figure 7 Hood top panel Item Description A Screws B Hood top panel 2 Remove the screws and the hood top panel as shown in Figure 7 and Figure 8 Keep both the screws and the top panel for use in a later step Figure 8 Removing ...

Page 17: ...onents and mount it at the end of the hood top panel covering the remainder of the left side and right side panels Starting with the small top panel attach the two top panels to the left side and right side panels using the screws provided See Figure 11 Figure 11 Top hood assembly Item Description A Hood top panel B Small top panel 7 To assemble the filter tracks and secure the filters insert the ...

Page 18: ...escription A Filter support B Screws Figure 14 Completed economizer outside air hood assembly Item Description A Economizer outdoor air hood assembly Manual damper outdoor air hood assembly About this task After a unit with a manual damper is installed in the field you must assemble the manual damper outdoor air hood To install the outdoor air hood complete the following steps 1 While transporting...

Page 19: ...parts location Item Description A Hardware bag shipping location B Filter and assembly components shipping location 4 Using three of the no 10 screws that were removed in Step 2 attach the left side panel and right side panel to the unit as shown in Figure 18 and Figure 19 Figure 18 Left side panel mounting Item Description A Screws B Left side panel Figure 19 Right side panel mounting Item Descri...

Page 20: ...panel to the side panels using the remaining screws in the hardware bag as shown in Figure 22 The completed assembly will resemble Figure 23 Figure 22 Attaching the hood top panel Item Description A Screws B Hood top panel Figure 23 Completed manual damper outdoor air hood assembly Item Description A Manual damper outdoor air hood assembly Exhaust air hood assembly About this task After a unit wit...

Page 21: ...the hardware for mounting the outdoor air hood See those instructions for location Figure 26 Side hood location Item Description A Exhaust hood assembly parts shipping location 4 Using three no 10 screws from the hardware bag on each attach the left side panel and right side panel to the unit as shown in Figure 27 Figure 27 Left side and right side panel mounting Item Description A Right side hood...

Page 22: ...transmitting tubing with 3 16 in I D for tubing lengths of up to 100 ft 1 4 in I D for tubing lengths up to 300 ft and 3 8 in I D for tubing lengths up to 900 ft 3 Drill a hole in the knock out in the bottom of the control box shown in Figure 30 Drill the hole in a size that fitd both the building pressure and supply air pressure tubes Use protective measures to ensure that the tubing does not dev...

Page 23: ...iption A DPS B High pressure port C Low Pressure port Figure 32 DPS port locations 6 Route the tubing through the control box and down through the hole in the control box base knock out as shown in Figure 33 After exiting the unit base route the tubing to the desired location for obtaining a constant building pressure reading Figure 33 Routing the tubing Installation Manual YORK Sun Select YV28 to...

Page 24: ...tions turns or VAV terminal boxes upsream or downstream of the sensing tube location for at least a distance of 6 to 10 times the duct diameter Utilities entry Table 3 Utilities entry Entry description Opening size diameter in Control wiring Bottom 1 in knockout for field drilling Front Field drilled to maximum of 3 in Power wiring Bottom Field drilled to maximum of 3 in Front 1 1 2 2 2 5 8 in hol...

Page 25: ...m freezing and the plumbing must conform to local codes Figure 36 Trap and drain lines Item Description A 3 in minimum B 2 in minimum 2 Use caulk gasket or other means to create a water tight seal around the drain line and trap connection 3 Ensure that the drain line is installed horizontally level for proper drainage If the drain line sags outside of the unit then it can prevent the assembly insi...

Page 26: ...per 85 85 85 120 120 Barometric damper 230 230 230 285 285 Gas heat largest 155 155 220 220 220 Hail guard 80 80 80 121 121 Roof curb 475 475 475 520 520 Table 5 Supply fan VFD weights Supply fan motor 208 230 V 460 V 575 V 7 5 HP 17 4 9 9 14 6 10 HP 17 4 9 9 14 6 15 HP 20 9 17 4 26 5 20 HP 54 17 4 26 5 Installation Manual YORK Sun Select YV28 to YV50 26 Johnson Controls Ducted Systems ...

Page 27: ... the units All dimensions are in inches Return air Supply air Figure 37 1RC0450 roof curb dimensions The following units are compatible with 1RC0450 roof curbs YV28 YV30 YV35 Installation Manual YORK Sun Select YV28 to YV50 27 Johnson Controls Ducted Systems ...

Page 28: ...Figure 38 1RC0451 roof curb dimensions The following units are compatible with 1RC0451 roof curbs YV40 YV50 Installation Manual YORK Sun Select YV28 to YV50 28 Johnson Controls Ducted Systems ...

Page 29: ...roof curb This kit is only applicable in replacing high heat gas heat models in the 27 5 ton to 35 ton cabinet When replacing all other Trane units it is recommended that the installer use the roof curb alignment kit 1RB0401 This kit will aid in properly aligning the new unit with the existing roof curb Compressors The scroll compressor used in this product is specifically designed to operate with...

Page 30: ...ack that is exposed after removing the filters in Step 2 Slide each metal strip out of the unit to remove the remaining filters from each rack as shown in Figure 41 Keep the metal strips to replace in a later step Figure 41 Removal of remaining filters Item Description A Metal strips for filter removal 4 For each filter rack remove the metal bracket from both the top and bottom channel of the rack...

Page 31: ...e changed using the adjustment screw that is accessible the the metal cover removed A setting of 0 5 in WC will serve as a general starting point but must be adjusted for the specific application to detect the increased pressure drop associated with a dirty filter Power and control wiring Field wiring to the unit fuses and disconnects must conform to provisions of National Electrical Code NEC ANSI...

Page 32: ...cannot be drawn into the unit during normal operation These waterproofing conditions also apply when you install a field supplied disconnect switch Power wiring detail Units are factory wired for the voltage shown on the unit nameplate See the electrical data tables to size power wiring fuses and the disconnect switch Power wiring is brought into the unit through the side of the unit or the basepa...

Page 33: ...he general installation procedure Use color coded insulated wires to connect the thermostat to the unit See the following table for control wire sizing and maximum length Table 6 Control wire sizes Wire size 1 Maximum length 1 18 AWG 150 ft 1 From the unit to the thermostat and back to the unit CAUTION The control transformers in 208 230 3 60 units are factory wired for 230 V and 415 V power suppl...

Page 34: ...Figure 48 Typical electronic thermostat field wiring Installation Manual YORK Sun Select YV28 to YV50 34 Johnson Controls Ducted Systems ...

Page 35: ...he outside of the unit as seen in Figure 49 Figure 49 Identifying hinged panels Item Description A Gas heat access panel B Latch with bolt in shipping configuration 2 Remove the bolt and washer from all three latches of each hinged access panel See Figure 50 Retain the removed latches for reinstallation in a later step Figure 50 Removing bolts and washers Item Description A Bolt removal 3 Locate t...

Page 36: ...et cover must be installed in the field after the unit is installed To install the convenience outlet cover complete the following steps 1 The unit ships from the factory with a transit label covering the convenience outlet receptacle as shown in Figure 53 Remove and discard the convenience outlet transit label Figure 53 Convenience outlet transit label Table 7 Item Description A Convenience outle...

Page 37: ...over The final assembly is shown in Figure 55 Figure 55 Convenience outlet cover CAUTION 208 230 3 60 units with a factory installed powered convenience outlet option are wired for 230 V power supply Change the tap on the transformer for 208 3 60 operation Refer to the unit wiring diagram Installation Manual YORK Sun Select YV28 to YV50 37 Johnson Controls Ducted Systems ...

Page 38: ... 2 230 3 60 67 3 485 67 3 485 6 8 39 6 25 0 173 44 13 0 204 250 215 1301 8 217 275 229 8 1314 8 460 3 60 32 7 215 32 7 215 3 4 19 8 12 5 86 72 6 5 100 125 105 595 9 106 125 112 7 602 4 YV50 50 575 3 60 26 3 175 26 3 175 2 7 15 8 10 0 71 77 5 2 80 100 84 485 0 85 110 90 4 490 2 Table 10 YV28 to YV50 Constant volume standard static with on off power exhaust Comp 1 Comp 2 Min disconnect rating Min di...

Page 39: ...2 2 4 8 10 5 6 5 66 80 70 429 73 90 78 436 YV28 27 5 575 3 60 16 7 122 16 7 122 1 6 7 8 8 0 59 1 4 9 7 8 5 2 57 70 61 350 62 75 67 355 208 3 60 44 2 315 44 2 315 4 0 21 0 19 4 144 4 9 6 21 0 14 4 144 175 153 900 159 200 170 915 230 3 60 44 2 315 44 2 315 4 2 21 0 19 4 144 4 9 6 21 0 13 0 145 175 154 900 158 200 169 913 460 3 60 22 4 158 22 4 158 2 1 10 5 9 7 72 2 4 8 10 5 6 5 73 90 78 451 80 100 8...

Page 40: ...5 3 60 26 3 175 26 3 175 2 7 15 8 14 2 95 94 5 2 84 110 89 509 1 89 110 95 2 514 3 Table 13 YV28 to YV50 Constant volume medium static on off power exhaust Comp 1 Comp 2 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaust VFD FLA Power exhaus...

Page 41: ...5 3 60 18 6 136 18 6 136 1 6 7 8 10 0 71 77 4 9 7 8 5 2 63 80 67 391 68 80 73 396 208 3 60 48 1 351 48 1 351 4 0 21 0 25 0 173 44 9 6 21 0 14 4 159 200 169 1001 173 200 185 1016 230 3 60 48 1 351 48 1 351 4 2 21 0 25 0 173 44 9 6 21 0 13 0 160 200 170 1001 173 200 185 1014 460 3 60 24 7 197 24 7 197 2 1 10 5 12 5 86 72 4 8 10 5 6 5 81 100 86 544 88 110 94 550 YV35 35 575 3 60 22 4 135 22 4 135 1 6...

Page 42: ...7 15 8 19 1 126 0 5 2 89 110 95 539 94 110 101 544 Table 16 YV28 to YV50 Constant volume high static with on off power exhaust Comp 1 Comp 2 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaus t VFD FLA Power exhaus t motor LRA 120 V trans FLA...

Page 43: ...0 30 575 3 60 18 6 136 18 6 136 1 6 7 8 14 2 95 94 4 9 7 8 5 67 80 72 415 73 90 78 420 208 3 60 48 1 351 48 1 351 4 0 21 0 36 0 234 9 6 21 0 14 170 200 181 1062 184 225 198 1076 230 3 60 48 1 351 48 1 351 4 2 21 0 36 0 234 9 6 21 0 13 171 200 182 1062 184 225 197 1075 460 3 60 24 7 197 24 7 197 2 1 10 5 18 0 117 4 8 10 5 7 87 110 93 574 93 110 100 581 YV35 35 575 3 60 22 4 135 22 4 135 1 6 7 8 14 ...

Page 44: ...0 26 3 175 26 3 175 2 7 15 8 11 0 71 77 5 2 81 100 86 485 0 86 110 91 5 490 2 Table 19 YV28 to YV50 VFD two stage standard static with on off power exhaust Comp 1 Comp 2 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaus t VFD FLA Power exhau...

Page 45: ...30 575 3 60 18 6 136 18 6 136 1 6 7 8 8 0 59 1 4 9 7 8 5 2 61 75 65 378 66 80 71 383 208 3 60 48 1 351 48 1 351 4 21 0 19 4 144 4 9 6 21 0 14 4 153 200 162 972 168 200 179 987 230 3 60 48 1 351 48 1 351 4 2 21 0 19 4 144 4 9 6 21 0 13 0 154 200 163 972 167 200 178 985 460 3 60 24 7 197 24 7 197 2 1 10 5 9 7 72 2 4 8 10 5 6 5 78 100 83 529 85 100 91 536 YV35 35 575 3 60 22 4 135 22 4 135 1 6 7 8 8 ...

Page 46: ... 60 26 3 175 26 3 175 2 7 15 8 18 0 95 94 5 2 88 110 94 509 1 93 110 99 6 514 3 Table 22 YV28 to YV50 VFD two stage medium static on off power exhaust Comp 1 Comp 2 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaus t VFD FLA Power exhaus t m...

Page 47: ...5 3 60 18 6 136 18 6 136 1 6 7 8 11 0 71 77 4 9 7 8 5 2 64 80 68 391 69 80 74 396 208 3 60 48 1 351 48 1 351 4 0 21 0 28 0 173 44 9 6 21 0 14 4 162 200 172 1001 176 200 189 1016 230 3 60 48 1 351 48 1 351 4 2 21 0 28 0 173 44 9 6 21 0 13 0 163 200 173 1001 176 200 188 1014 460 3 60 24 7 197 24 7 197 2 1 10 5 14 0 86 72 4 8 10 5 6 5 83 100 88 544 89 110 96 550 YV35 35 575 3 60 22 4 135 22 4 135 1 6...

Page 48: ...2 7 15 8 22 0 126 0 5 2 92 110 98 539 97 110 104 544 Table 25 YV28 to YV50 VFD two stage high static on off power exhaust Comp 1 Comp 2 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaus t VFD FLA Power exhaus t motor LRA 120 V trans FLA MCA ...

Page 49: ...30 575 3 60 18 6 136 18 6 136 1 6 7 8 18 0 95 94 4 9 7 8 5 71 80 76 415 76 90 82 420 208 3 60 48 1 351 48 1 351 4 0 21 0 42 0 234 9 6 21 0 14 176 200 188 1062 190 225 205 1076 230 3 60 48 1 351 48 1 351 4 2 21 0 42 0 234 9 6 21 0 13 177 200 189 1062 190 225 204 1075 460 3 60 24 7 197 24 7 197 2 1 10 5 21 0 117 4 8 10 5 7 90 110 96 574 96 110 104 581 YV35 35 575 3 60 22 4 135 22 4 135 1 6 7 8 18 0 ...

Page 50: ...2 7 15 8 11 0 71 77 5 2 85 110 91 516 91 110 96 7 521 2 Table 28 YV28 to YV50 VFD four stage standard static with on off power exhaust exhaust Comp 1 Comp 2 Comp 3 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaus t VFD FLA Power exh...

Page 51: ... 6 78 9 6 78 1 6 7 8 9 0 59 1 4 9 7 8 5 2 63 80 67 398 68 80 73 403 208 3 60 48 1 351 27 6 191 27 6 191 4 0 21 0 22 0 144 4 9 6 21 0 14 4 163 200 174 1003 177 225 190 1018 230 3 60 48 1 351 27 6 191 27 6 191 4 2 21 0 22 0 144 4 9 6 21 0 13 0 164 200 174 1003 177 200 189 1016 460 3 60 24 7 197 12 8 100 12 8 100 2 1 10 5 11 0 72 2 4 8 10 5 6 5 81 100 86 532 87 110 93 539 YV35 35 575 3 60 22 4 135 9 ...

Page 52: ... 540 98 110 105 545 Table 31 YV28 to YV50 VFD four stage medium static on off power exhaust Comp 1 Comp 2 Comp 3 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower motor LRA Power exhaus t VFD FLA Power exhaus t motor LRA 120 V trans FLA MCA A Max f b size ...

Page 53: ...9 6 78 9 6 78 1 6 7 8 11 0 71 77 4 9 7 8 5 2 65 80 69 411 70 80 75 416 208 3 60 48 1 351 27 6 191 27 6 191 4 0 21 0 28 0 173 44 9 6 21 0 14 4 169 200 180 1032 183 225 197 1047 230 3 60 48 1 351 27 6 191 27 6 191 4 2 21 0 28 0 173 44 9 6 21 0 13 0 170 200 181 1032 183 225 196 1045 460 3 60 24 7 197 12 8 100 12 8 100 2 1 10 5 14 0 86 72 4 8 10 5 6 5 84 100 89 547 90 110 97 553 YV35 35 575 3 60 22 4 ...

Page 54: ... 6 740 7 YV50 50 575 3 60 26 3 175 15 4 103 15 4 103 2 7 15 8 22 0 126 5 2 96 110 0 103 570 2 102 125 0 109 4 575 4 Table 34 YV28 to YV50 VFD four stage high static on off power exhaust Comp 1 Comp 2 Comp 3 Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA RLA LRA OD fan motors each FLA OD fan motors each FLA Supply blower motor FLA Supply blower...

Page 55: ...6 9 6 78 9 6 78 1 6 7 8 18 0 95 94 4 9 7 8 5 2 72 90 77 435 77 90 83 440 208 3 60 48 1 351 27 6 191 27 6 191 4 0 21 0 42 0 234 9 6 21 0 14 4 183 225 197 1093 197 225 213 1107 230 3 60 48 1 351 27 6 191 27 6 191 4 2 21 0 42 0 234 9 6 21 0 13 0 184 225 197 1093 197 225 212 1106 460 3 60 24 7 197 12 8 100 12 8 100 2 1 10 5 21 0 117 4 8 10 5 6 5 91 110 97 577 97 110 105 584 YV35 35 575 3 60 22 4 135 9...

Page 56: ...6 3 175 15 4 103 15 4 103 2 7 15 8 10 0 71 77 5 2 84 110 90 516 90 110 95 6 521 2 Table 37 YV28 to YV50 VFD Customer supplied standard static with on off power exhaust Comp 1 Comp 2 Comp 3 Electric heat option field installed kit Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA RLA LRA OD fan motors each FLA Supply blower motor FLA 120V trans FL...

Page 57: ... 6 78 9 6 78 1 6 7 8 8 0 59 1 4 9 7 8 5 2 62 80 66 398 67 80 72 403 208 3 60 48 1 351 27 6 191 27 6 191 4 21 0 19 4 144 4 9 6 21 0 14 4 160 200 171 1003 175 200 187 1018 230 3 60 48 1 351 27 6 191 27 6 191 4 2 21 0 19 4 144 4 9 6 21 0 13 0 161 200 171 1003 174 200 186 1016 460 3 60 24 7 197 12 8 100 12 8 100 2 1 10 5 9 7 72 2 4 8 10 5 6 5 79 100 84 532 86 110 92 539 YV35 35 575 3 60 22 4 135 9 6 7...

Page 58: ... 2 95 94 5 2 89 110 94 540 94 110 100 545 Table 40 YV28 to YV50 VFD Customer supplied medium static on off power exhaust Comp 1 Comp 2 Comp 3 Electric heat option field installed kit Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA RLA LRA OD fan motors each FLA Supply blower motor FLA 120V trans FLA Model kW Stage s A MCA A Max f b size A FLA L...

Page 59: ... 18 6 136 9 6 78 9 6 78 1 6 7 8 10 0 71 77 4 9 7 8 5 2 64 80 68 411 69 80 74 416 208 3 60 48 1 351 27 6 191 27 6 191 4 21 0 25 0 173 44 9 6 21 0 14 4 166 200 177 1032 180 225 194 1047 230 3 60 48 1 351 27 6 191 27 6 191 4 2 21 0 25 0 173 44 9 6 21 0 13 0 167 200 178 1032 180 225 193 1045 460 3 60 24 7 197 12 8 100 12 8 100 2 1 10 5 12 5 86 72 4 8 10 5 6 5 82 100 87 547 89 110 95 553 YV35 35 575 3 ...

Page 60: ...0 124 734 2 122 150 0 131 1 740 7 YV50 50 575 3 60 26 3 175 15 4 103 15 4 103 2 7 15 8 19 1 126 5 2 94 110 0 100 570 2 99 125 0 106 0 575 4 Table 43 YV28 to YV50 VFD Customer supplied high static on off power exhaust Comp 1 Comp 2 Comp 3 Electric heat option field installed kit Min disconnect rating Min disconnect rating 120V trans Size tons Nominal unit voltage RLA LRA RLA LRA RLA LRA OD fan moto...

Page 61: ... 6 136 9 6 78 9 6 78 1 6 7 8 14 2 95 94 4 9 7 8 5 2 68 80 73 435 73 90 79 440 208 3 60 48 1 351 27 6 191 27 6 191 4 21 0 36 0 234 9 6 21 0 14 4 177 225 190 1093 191 225 206 1107 230 3 60 48 1 351 27 6 191 27 6 191 4 2 21 0 36 0 234 9 6 21 0 13 0 178 225 191 1093 191 225 206 1106 460 3 60 24 7 197 12 8 100 12 8 100 2 1 10 5 18 0 117 4 8 10 5 6 5 88 110 94 577 94 110 101 584 YV35 35 575 3 60 22 4 13...

Page 62: ...324 259 324 2nd stage heat output K Btu 324 178 324 178 Steady state efficiency 81 81 81 81 No of burners 9 9 5 9 9 5 No of stages Turn down 2 1 25 2 1 82 2 1 25 2 1 82 Temperature rise range ºF 25 35 35 60 20 35 35 55 Gas limit setting ºF top bottom 150 150 150 150 150 170 Gas piping connection in 3 4 1 1 4 3 4 1 1 4 Dimensions in Length 180 Width 90 Height 70 Operating weight lb 4078 4105 Compre...

Page 63: ...ge 4 Stage Gross capacity ARI A point Btu 400 295 400 592 436 406 435 211 ARI net capacity Btu 388 000 388 000 414 000 414 000 EER 10 7 1 10 5 2 10 8 1 10 5 2 11 1 1 10 8 2 11 1 1 10 8 2 IEER CV 13 0 1 12 5 2 n a 12 0 1 11 4 2 n a IEER with Intellispeed 15 1 1 14 6 2 n a 14 9 1 14 6 2 n a IEER with VAV n a 15 4 1 15 0 2 n a 15 4 1 15 2 2 CFM 10679 10517 15348 15093 System power KW 32 4 31 9 31 40 ...

Page 64: ... Direct Number of motors 4 4 Motor HP each 1 1 RPM 1140 1140 Nominal total CFM 29800 34109 Belt drive evap fan data Quantity 2 2 Fan size in 18x18 20x18 Type Centrifugal Centrifugal Static range Std Med High Std Med High Motor sheave 1VP65 2VP60 2VP60 1VP60 1VP75 2VP60 Blower sheave 1B5V124 2B5V94 2B5V86 1B5V124 1B5V136 2B5V94 Belt BX82 BX75 5VX780 5VX830 5VX880 5VX780 Motor HP each 7 5 10 0 15 0 ...

Page 65: ...ns in Length 232 Width 90 Height 77 Operating weight lb 5984 Compressors 2 Stage 4 Stage Type Scroll Scroll Quantity 2 3 Unit capacity steps 50 100 25 50 75 100 Condenser coil data Face area sq ft 112 4 Type MCHX Thickness mm 25 FPI 23 Circuitry type 2 Pass Evaporator coil data Face area sq ft 38 9 Rows 5 Fins per inch 15 Tube diameter 3 8 Circuitry type Intertwined Refrigerant control TXV Condens...

Page 66: ...y air CFM Heating Model Heat size Min Max N S 1 8250 12375 YV28 N S 3 8250 12375 N S 1 9000 13500 YV30 N S 3 9000 13500 N S 1 10500 15750 YV35 N S 3 10500 15750 N S 1 12000 18000 YV40 N S 3 12000 18000 N S 1 15000 20000 YV50 N S 3 15000 20000 Gas piping Proper sizing of gas piping depends on the cubic feet per hour of gas flow required specific gravity of the gas and the length of run Follow the N...

Page 67: ...0 elbow J Union K 7 in long nipple L 28 in pipe M 3 7 in long nipple Figure 58 High heat gas unit with side gas connection arrangement Item Description A Extended Pipe B Manual shut off valve C Sediment trap D 4 in long nipple E Reducer F 7 in long nipple G 90 elbow H Caulk between pipe and base rail grommet to provide watertight seal Installation Manual YORK Sun Select YV28 to YV50 67 Johnson Con...

Page 68: ...und joint union in the gas piping When required by local codes install a manual shut off valve outside of the unit Use wrought iron or steel pipe for all gas lines Apply pipe dope sparingly to male threads only If local codes allow the use of a flexible gas appliance connector always use a new listed connector Do not use a connector which has previously serviced another gas appliance WARNING Natur...

Page 69: ...e factory equipped for natural gas use only The unit may be converted in the field for use with propane gas with an accessory kit All propane gas equipment must conform to the safety standards of the National Fire Protection Association For satisfactory operation propane gas pressure must be at the proper inlet pressure at the unit under full load See conversion kit instructions for minimum and ma...

Page 70: ...ave the lower shipping cover in place Figure 61 Flue exhaust shipping location Item Description A Flue exhaust hood shipping location 2 Using the screws removed in Step 1 attach the upper flue exhaust hood as shown in Figure 62 For units with low gas heat the installation is now complete Figure 62 Low gas heat flue exhaust hood installations Item Description A Flue exhaust B Four mounting screws C...

Page 71: ...The second stage compressor C2 is added as needed to keep the supply air temperature within the 5 F of the economizer setpoint Sensor In free cooling with a demand from the zone return sensor for the first stage of cooling the dampers modulate to control the supply air temperature to the economizer setpoint 1 F If the economizer output is at 100 and the SAT is greater than the economizer setpoint ...

Page 72: ...o control the supply air temperature to the economizer setpoint 1 F default 55 F If the thermostat provides an input to Y2 and the parameter COMPRESSORS OFF IN FREE COOLING is turned OFF a compressor output energizes The economizer dampers continue to modulate to control the supply air temperature to the economizer setpoint If the supply air temperature cannot be maintained within 5 F of the econo...

Page 73: ...er exhaust with VFD Setpoints and related data The setpoints and related data include the following items Power exhaust fan type ExFType variable frequency fan Building pressure setpoint Bldg Sp Building pressure reading Bldg Pres Inputs The input for modulating power exhaust with VFD is 0 VDC to 5 VDC from building pressure sensor to terminal BLDG PRES Outputs The outputs include the following it...

Page 74: ... 10 VDC positive input from economizer actuator position feedback The EconDampPos parameter reports input status 0 100 Used to meet California Title 24 requirements for economizer actuator position feedback R 24V 24 VAC hot supplied for economizer actuator position feedback Connects through circuit trace to 24V IN pin HOT C COM A IN1 MAT Mixed air temperature sensor input from 10KΩ 77 F Type III n...

Page 75: ...nction when DVent Mode selection is Diff between IAQ and OAQ and the NetOAQ parameter indicates Unrel C COM 24 VAC common 0 10 VDC negative for the outdoor air quality sensor Connects through circuit trace to 24V IN pin COM R 24V 24 VAC hot supplied for the air monitoring station sensor Connects through circuit trace to 24V IN pin HOT IN7 FR AIR 0 10 VDC positive input from the air monitoring stat...

Page 76: ...xhaust actuator Connects through circuit trace to 24V IN pin COM 24V 24 VAC hot supplied for the discharge damper modulating power exhaust actuator and economizer actuator Connects through circuit trace to 24V IN pin HOT ECON 2 10 VDC output for the Economizer actuator Econ parameter reports output status 0 100 Used to position the economizer actuator for minimum position free cooling demand venti...

Page 77: ...o full closed and 10 VDC corresponding to full open When there is no call for free cooling the damper position is limited by the IAQ maximum damper position setting When the signal exceeds its setpoint demand control ventilation setpoint setting and there is a call for free cooling the actuator modulates from the minimum position to the full open position based on the highest call from either the ...

Page 78: ...able 58 contains the values to be used after break in of new belts Figure 67 Measuring belt tension 4 Measure belt tension a Use a belt tension checker to apply a perpendicular force to one belt at the midpoint of the span as shown in Figure 67 To determine the deflection to determine the deflection adjacent belt if applicable or use a straight edge from sheave to sheave as a reference line b Incr...

Page 79: ...Example supply air blower performance Available external static pressure IWG 0 3 0 4 0 6 0 8 1 1 2 1 4 1 6 1 8 2 2 2 2 4 2 5 Air flow CFM RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Standard 7 5HP and field drive Standard 7 5HP and drive Medium 10HP and drive High 20 HP and drive 8000 573 2 29 599 2 53 649 2 98 696 3 39 742 3 78 786 4 16 ...

Page 80: ...9 695 4 56 738 5 02 780 5 47 821 5 92 860 6 39 899 6 87 937 7 383 975 7 92 1011 8 49 1048 9 10 1066 9 42 12000 662 4 65 684 4 9 727 5 38 768 5 86 809 6 34 848 6 82 887 7 32 924 7 85 961 8 40 998 8 99 1034 9 61 1069 10 27 1087 10 62 13000 700 5 59 721 5 84 762 6 34 802 6 84 841 7 35 879 7 87 916 8 42 952 8 99 988 9 585 1024 10 22 1059 10 89 1094 11 61 1111 11 99 14000 742 6 68 761 6 94 800 7 47 838...

Page 81: ...PM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP Standard 10HP and field drive Standard 10HP and drive Medium 15HP and drive High 20 HP and drive 12000 616 4 61 649 5 02 681 5 47 714 5 95 746 6 47 778 7 02 811 7 61 843 8 24 875 8 9 907 9 6 939 10 3 954 10 7 13000 639 5 33 672 5 8 705 6 3 737 6 84 770 7 41 802 8 02 834 8 67 866 9 35 898 10 1 930 10 9 962 11 7 978 12 1 14000 665 6 2 698 6 72 7...

Page 82: ...evaporator coil may vary greatly measuring the pressure drop across a wet coil under field conditions could be inaccurate To ensure that the coil is dry deactivate the compressors while the test is being run Note De energize the compressors before taking any test measurements to ensure that the indoor coil is dry 4 Use the pressure drop across a dry coil to determine the actual CFM through the uni...

Page 83: ...hours of run time See the blower motor and drive data table Note the following The supply air CFM must be within the limitations shown in the blower performance tables You can adjust pulleys in half turn increments Adjust the belt tension Tighten the blower pulley and motor sheave set screws after any adjustments Re check the set screws after 10 to 12 hours run time Table 67 Additional static resi...

Page 84: ... expires 3 A 30 s interstage delay occurs when multiple stages are requested Compressor minimum off times are enforced while staging up and down When the thermostat cooling inputs are lost and the minimum runtime expires the compressor outputs stage off 4 Staging down sequence Y1 Y2 Y3 Y4 C1 C2 C3 Y1 Y2 Y3 Y4 off C1 C2 C3 off Y1 Y2 Y3 off C2 C1 off Y1 Y2 off C1 on C2 off All thermostat signals off...

Page 85: ...es the spark when flame is sensed and enters a flame stabilization period If flame is not established within the ignition trial period the control de energizes the spark and gas valve and checks for maximum number of ignition trials The ICB has a maximum number of 3 ignition trials If the control has attempted the maximum number of ignition trials within the same call for heat without flame the co...

Page 86: ...ure limit is open for more than 6 minutes continuously during a call for heat it is assumed that the main blower has failed and the control will enter a hard lockout and flash a 9 on the LED During the hard lockout the control will continue to run the inducer as long as the limit switch is open If the limit switch recloses in this hard lockout condition the inducer will run a post purge and then s...

Page 87: ...6 Check the unit supply air CFM 7 Measure the evaporator fan motor s amp draw 8 Set the room thermostat fan switch to off 9 Turn off electrical power to the unit Operating the unit 1 Turn on electrical power to the unit 2 Set the room thermostat setting lower than the room temperature First stage compressors energize after the built in time delay of five minutes Additional stages of cooling will b...

Page 88: ...solution made specifically for the detection of leaks to check all connections This may result in a fire or explosion causing property damage personal injury or loss of life 2 Check for the correct manifold gas pressures input rates and air temperature rise See Checking Gas Heat Input section 3 Check the supply gas pressure It must be within the limits shown on the rating nameplate Note You must c...

Page 89: ...urnaces when commissioning is complete return the System Selection bottom pin jumper to NORM OPERATION on the Modulating Furnace Control Installation Manual YORK Sun Select YV28 to YV50 89 Johnson Controls Ducted Systems ...

Page 90: ...ling for first stage minimum input heat 3 Even when the thermostat is calling for first stage heat the unit will light on second stage and will run on second stage for 1 minute Allow this one minute time period to expire and be certain the unit is running on first stage 4 Measure the time needed for one revolution of the hand on the lowest increment dial on the meter A typical gas meter has a 1 2 ...

Page 91: ...ng on the valve clockwise to increase manifold pressure or counterclockwise to decrease manifold pressure 7 After the high manifold pressure has been checked adjust the thermostat to call for first stage heat 8 If necessary using a screwdriver turn the first stage adjustment screw adjacent to the LO marking on the valve clockwise to increase manifold pressure or counterclockwise to decrease manifo...

Page 92: ... just upstream of the unit gas valve and downstream from the main manual shut off valve in the gas supply line 2 Remove the screws holding each end of the manifold to the manifold supports 3 Disconnect wiring to the gas valve Remove the manifold and gas valve assembly Orifices can now be inspected and or replaced To service burners complete step 4 4 Remove the heat shield on top of the manifold su...

Page 93: ...77 20 85 122 50 298 87 19 400 cfm ton 75 62 95 124 51 346 97 19 Table 72 30 ton charging table System 1 Air flow indoor DB WB Outdoor DB F Suction pressure psig Suction temp F Liquid pressure psig Liquid temp F Delta T indoor DB F 75 110 51 250 81 28 85 112 52 293 90 28 300 cfm ton 80 62 95 114 53 340 100 27 75 121 56 249 83 24 85 123 56 293 92 23 300 cfm ton 80 67 95 126 57 340 102 22 75 133 61 2...

Page 94: ...8 82 21 85 128 60 314 90 21 400 cfm ton 75 62 95 130 61 364 100 20 Table 76 40 ton charging table System 1 Air flow indoor DB WB Outdoor DB F Suction pressure psig Suction temp F Liquid pressure psig Liquid temp F Delta T indoor DB F 75 118 59 270 77 28 85 120 59 313 87 28 300 cfm ton 80 62 95 122 59 360 97 27 75 129 65 273 77 23 85 132 62 316 87 23 300 cfm ton 80 67 95 133 68 365 97 22 75 142 66 ...

Page 95: ...21 85 132 57 326 90 20 400 cfm ton 75 62 95 134 57 375 99 20 Table 79 50 ton charging table System 2 Air flow indoor DB WB Outdoor DB F Suction pressure psig Suction temp F Liquid pressure psig Liquid temp F Delta T indoor DB F 75 122 53 281 77 30 85 124 54 324 87 29 300 cfm ton 80 62 95 126 55 371 97 28 75 134 58 283 79 24 85 136 59 328 88 24 300 cfm ton 80 67 95 139 60 376 99 23 75 147 63 285 81...

Page 96: ...ameter is set for 1 or more G Continuous indoor blower request 24 VAC input switched from R OCC Occupancy request 24 VAC input switched from R Must have the OccMode parameter set for External to be effective X Hard lockout indicator 24 volt output to a light thermostat LED R 24 VAC hot for thermostat switching and power If field added external accessories for unit shutdown are used 24 VAC hot retu...

Page 97: ...ent UCB temperature sensor connections Location Label Description Function and comments SAT Supply Air Temperature sensor input from 10KΩ 77 F Type III negative temperature coefficient thermistor Input required for operation 3 625 VDC reading SAT to SAT with open circuit Used in heat cool staging cutouts free cooling operation demand ventilation operation comfort ventilation operation economizer l...

Page 98: ...h a flash drive F J15 Factory wired SA Bus connector Table 86 Smart Equipment UCB 24 V terminal Location Label Description Function and comments G 24 V FOR OUTPUTS 24 VAC hot for H1 H2 CN FAN AUX HGR FAN C1 and C2 output relay contact switching Output relay circuitry is isolated from other UCB components and the 24 VAC hot source may be from a second transformer in the unit Table 87 Smart Equipmen...

Page 99: ... circuit trace to the R terminal J FAN OVR left pin 24 VAC hot return from indoor blower FAN Overload relay contact motor protector switch Input is only considered if FAN output is needed input must be present to allow FAN output and unit operation One FAN OVR trip lasting longer than 5 minutes or three FAN OVR trips in a two hour period cause a Fan Overload Lockout and unit operation is then prev...

Page 100: ...ication Positive of the VDC typically a fluctuating 1 5 to 3 5 V reading to COM at least 0 25 V lower than FC bus BACnet MSTP communication circuit COM Common for the FC Field Connected BUS BACnet MSTP communication circuit Negative of the VDC FC bus BACnet MSTP communication circuit O Terminal FC BUS connections SHLD Shield for the FC Field Connected BUS BACnet MSTP communication circuit Earth gr...

Page 101: ...tion circuit to optional economizer board 4 stage board fault detection and diagnostics board netstat and or MAP Gateway Table 95 Four stage board temperature sensor connections Location Label Description Function and comments CC3 3 refrigerant circuit Condenser Coil temperature sensor input from 10KΩ 77 F Type III negative temperature coefficient thermistor Input required for heat pump units not ...

Page 102: ...tage 3 Not effective for cooling only units Output if demand is present and permissions allow heat section operation H HGR 24 VAC hot output for hot gas reheat Future Table 99 Four stage board refrigerant circuit safety switches Location Label Description Function and comments LPS3 right pin 24 VAC hot out for refrigerant circuit 3 Low Pressure Switch Connects through circuit trace to the left HSP...

Page 103: ...effective for economizer free cooling supply air temperature reset when the ClgStgs parameter is set to 4 L W3 3rd stage heating request 24 VAC input switched from R Not effective for cooling only units Cable recommendations Table 102 Cable type for FC buses and SA buses in order of preference Non plenum applications Plenum applications Bus and cable type Part number O D Part number O D 1 FC Bus 2...

Page 104: ...Start up sheet Installation Manual YORK Sun Select YV28 to YV50 104 Johnson Controls Ducted Systems ...

Page 105: ...Installation Manual YORK Sun Select YV28 to YV50 105 Johnson Controls Ducted Systems ...

Page 106: ...Installation Manual YORK Sun Select YV28 to YV50 106 Johnson Controls Ducted Systems ...

Page 107: ...Installation Manual YORK Sun Select YV28 to YV50 107 Johnson Controls Ducted Systems ...

Page 108: ...Installation Manual YORK Sun Select YV28 to YV50 108 Johnson Controls Ducted Systems ...

Page 109: ...Installation Manual YORK Sun Select YV28 to YV50 109 Johnson Controls Ducted Systems ...

Page 110: ... notice Printed in U S A Copyright 2020 by Johnson Controls All rights reserved The Smart Equipment logo is a trademark of Johnson Controls in the United States and other countries It is part of the Johnson Controls product portfolio Johnson Controls Ducted Systems www york com ...

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