Controls, Start-Up, Operation, Service and ... - Climayoreo

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Use the following procedure to adjust charge on Circuit B of Humidi-MiZer equipped units: 1. Start all compressors and outdoor fans. Allow unit to run for 5 minutes. 2. Switch system to run in a Dehumidification mode for 5 minutes by switching RHV to ON through the Service Test function (Service TestCOOLRHV). 3. At the end of the 5 minute period, switch back into Cooling mode through the Service Test function (Service TestCOOLRHV) by switching RHV to OFF. Saturated Discharge Temperature (deg F) Saturated Discharge Temperature (deg F) 150 145 140 135 130 125 120 115 110 105 100 95 90 30 Ton STD CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must be Operating All Outdoor Fans Must be Operating Reduce Charge if Above Curve 144 4. Using the cooling charging charts provided (Fig. 52-89), add or remove refrigerant until conditions of the chart are met. As conditions get close to the point on the chart, add or remove charge in ¼ lb increments until complete. See paragraph “To Use the Cooling Charging Chart” for additional instructions. 5. If a charge adjustment was necessary in Step 4, then repeat the steps in this paragraph (starting with Step 2) until no charge adjustment is necessary. When no more charge adjustment is necessary after switching from a Dehumidification Mode to a Cooling Mode (Steps 2 and 3), then the charge adjustment procedure is complete. 85 55 60 65 70 75 80 85 90 95 100 105 110 115 120 150 145 140 135 130 125 120 115 110 105 100 95 90 85 Outdoor Air Temperature (deg F) Add Charge if Below Curve Fig. 52 — Charging Chart — 48/50P030 Standard Units — Circuit A 30 Ton STD CAP CIRCUIT B Charging Chart All Compressors on a Circuit Must be Operating All Outdoor Fans Must be Operating Reduce Charge if Above Curve 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Outdoor Air Temperature (deg F) Add Charge if Below Curve Fig. 53 — Charging Chart — 48/50P030 Standard Units — Circuit B SST= 60 F SST= 45 F SST= 30 F SST= 60 F SST= 45 F SST= 30 F a48-8518 a48-8519
Saturated Discharge Temperature (deg F) Saturated Discharge Temperature (deg F) 150 145 140 135 130 125 120 115 110 105 100 95 90 30 Ton HIGH CAP CIRCUIT A Charging Chart All Compressors on a Circuit Must be Operating All Outdoor Fans Must be Operating 85 55 60 65 70 75 80 85 90 95 100 105 110 115 120 150 145 140 135 130 125 120 115 110 105 100 95 90 85 Reduce Charge if Above Curve Outdoor Air Temperature (deg F) 145 Add Charge if Below Curve Fig. 54 — Charging Chart — 48/50P030 High-Capacity Units — Circuit A 30 Ton HIGH CAP CIRCUIT B Charging Chart All Compressors on a Circuit Must be Operating All Outdoor Fans Must be Operating Reduce Charge if Above Curve 55 60 65 70 75 80 85 90 95 100 105 110 115 120 Outdoor Air Temperature (deg F) Add Charge if Below Curve Fig. 55 — Charging Chart — 48/50P030 High-Capacity Units — Circuit B SST= 60 F SST= 45 F SST= 30 F a48-8520 a48-8521 SST= 60 F SST= 45 F SST= 30 F
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Controls, Start-Up, Operation, Serv
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WARNING What to do if you smell gas
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and the ENTER keys until the desire
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START-UP IMPORTANT: Do not attempt
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Table 4 — Fan Performance — 48P
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AIRFLOW (cfm) Table 10 — Fan Perf
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AIRFLOW (Cfm) LEGEND Table 18 — F
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AIRFLOW (cfm) LEGEND Bhp — Brake
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HIGH-EFFICIENCY MOTORS Nominal Maxi
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2. Under the Setpoints menu, set th
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would use Period 2 and set days Sat
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there is a loss of communication be
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and when ON, the control sets a cap
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System Mode Test — When the syste
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Table 31 — Unit Configuration ITE
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SETTING UP THE SYSTEM Machine Contr
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High SST Alert Delay Time (H.SST)
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Table 36 — Cool/Heat Set Point Of
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Table 38 — Run Status Cool Displa
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To use Demand Limiting, select the
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Size 050, 055, 060 Contactor OFM(s)
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Whenever the outdoor ambient temper
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Demand Level Low Heat Off Offset (L
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Limit Switch Low Temp (SW.L.T) —
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STAGE Table 49 — IGC LED Indicato
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Table 50 — Static Pressure Contro
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Table 53 — Dirty Filter Switch Po
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NOTE: If the user wishes to disable
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the economizer modulates when attem
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P = K * BP.P * (error) I = K * BP.I
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its smoke. Closing the economizer (
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Table 57 — Indoor Air Quality Con
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Table 58 — Humidity Configuration
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The default sensor is the return ai
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TEMPERATURE COMPENSATED START LOGIC
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Sensor Trim Configuration — The T
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SUPPLY FAN VFD CONFIGURATION — Th
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REMOTE SWITCH LOGIC CONFIGURATION (
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Alarms and Alarm History for for an
Page 93 and 94: Transducer Troubleshooting — The
Page 95 and 96: Table 75 — 10K Thermistor vs Resi
Page 97 and 98: TEMP RESISTANCE (F) (Ohms) -25 98,0
Page 99 and 100: PRESSURE (PSIG) Table 80 — Suctio
Page 101 and 102: Table 81 — Discharge Pressure Tra
Page 103 and 104: Table 82 — Auto View of Run Statu
Page 105 and 106: Table 84 — Cooling Information Di
Page 107 and 108: equalize compressor oil levels. If
Page 109 and 110: Table 91 — Alert and Alarm Codes
Page 111 and 112: T072 (Evaporator Discharge Reset Se
Page 113 and 114: This alarm will disable mechanical
Page 115 and 116: This is the reverse of the Pressuri
Page 117 and 118: 117 a48-8408 Fig. 19 — Typical Po
Page 119 and 120: OD ENTHALPY SWITCH LOW REMOTE OCCUP
Page 121 and 122: Fig. 23 — Typical Electric Heat U
Page 123 and 124: 123 Fig. 25 — Typical Gas Heat Se
Page 125 and 126: 125 Fig. 27 — Component Arrangeme
Page 127 and 128: ACCSY — Accessory ACC’Y — Acc
Page 129 and 130: Table 93 — Rooftop Control Board
Page 131 and 132: Table 96 — Control Expansion Modu
Page 133 and 134: LEGEND IAQ — Indoor Air Quality V
Page 135 and 136: the motor position to be configured
Page 137 and 138: TIME EWT LWT SETP Run Status Servic
Page 139 and 140: Fig. 37 — Door Latch Fig. 38 —
Page 141 and 142: SUPPLY FAN AND POWER EXHAUST MOTOR
Page 143: Routine cleaning of coil surfaces i
Page 147 and 148: Saturated Discharge Temperature (de
Page 163 and 164: Gas System Adjustment (48P Only) GA
Page 165 and 166: APPENDIX A — LOCAL DISPLAY TABLES
Page 177 and 178: APPENDIX B — CCN TABLES (cont) ST
Page 179 and 180: APPENDIX B — CCN TABLES (cont) ST
Page 181 and 182: APPENDIX B — CCN TABLES (cont) SE
Page 187 and 188: APPENDIX B — CCN TABLES (cont) MA
Page 189 and 190: APPENDIX B — CCN TABLES (cont) MA
Page 191 and 192: TESTACTC TESTCOOL TESTFANS TESTHEAT
Page 193 and 194: APPENDIX C — UNIT STAGING TABLES
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* 41 for Supply Fan Motor VFD, 42 f
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Fig. B — VFD Keypad START UP WITH
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Upload All Parameters — To upload
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To replace the main fan for frame s
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ALARM CODE ALARM NAME IN PANEL 2001
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APPENDIX E — MODE SELECTION PROCE
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CONTROLS SET POINT AND CONFIGURATIO
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Controls, Start-Up, Operation, Service and ... - Climayoreo

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