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

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Table 73 — Gas Heating Service Analysis PROBLEM CAUSE REMEDY Burners Will Not Ignite. Active alarm. Check active alarms using ComfortLink scrolling marquee. No power to unit. Check power supply, fuses, wiring, and circuit breakers. No power to IGC (Integrated Gas Control). Check fuses and plugs. Heaters off due to time guard to prevent short cycling. Check using ComfortLink scrolling marquee. Thermostat or occupancy schedule set point not calling for Cooling. Check using ComfortLink scrolling marquee. No gas at main burners. Check gas line for air and purge as necessary. After purging gas line of air, allow gas to dissipate for at least 5 minutes before attempting to re-light unit. Water in gas line. Drain water and install drip. Inadequate Heating. Dirty air filters. Replace air filters. Gas input too low. Check gas pressure at manifold. Refer to gas valve adjustment in Installation, Start-up, and Service Manual. Thermostat or occupancy schedule set point only calling for W1. Allow time for W2 to energize. Unit undersized for load. Decrease load or increase of size of unit. Restricted airflow. Remove restriction. Too much outdoor air. Check economizer position and configuration. Adjust minimum position using ComfortLink scrolling marquee. Limit switch cycles main burners. Check rotation of blower, thermostat heat anticipator settings, and temperature rise of unit. Adjust as needed. Poor Flame Characteristics. Incomplete combustion (lack of combustion air) results in: Aldehyde odors, CO, sooting flame, or floating flame. Table 74 — Electric Heat Service Analysis 94 Check all screws around flue outlets and burner compartment. Tighten as necessary. Cracked heat exchanger, replace. Unit is over-fired, reduce input. Adjust gas line or manifold pressure. Check vent for restriction. Clean as necessary. Check orifice to burner alignment. Burners Will Not Turn Off. Unit is in Minimum on-time. Check using ComfortLink scrolling marquee. Unit running in Service Test Mode. Check using ComfortLink scrolling marquee. PROBLEM CAUSE REMEDY No Heat. Power failure. Call power company. Fuse blown or circuit breaker tripped. Check CB1, CB2, and CB3. Replace fuse or reset circuit breaker. Thermostat occupancy schedule set point not calling for Heating. Check using ComfortLink scrolling marquee. No 24 vac at primary contactor. Check transformer and circuit breaker. No power (high voltage) to L2 of primary contactor. Check safety switches “one-shot” backup and auto limit. Bad electrical elements. Power off unit and remove high voltage wires. Check resistance of heater, replace if open.
Table 75 — 10K Thermistor vs Resistance (T55, T56, OAT, RAT, EDT, LAT Sensors) (F) TEMP RESISTANCE (F) (Ohms) –25 196,453 –24 189,692 –23 183,300 –22 177,000 –21 171,079 –20 165,238 –19 159,717 –18 154,344 –17 149,194 –16 144,250 –15 139,443 –14 134,891 –13 130,402 –12 126,183 –11 122,018 –10 118,076 –9 114,236 –8 110,549 –7 107,006 –6 103,558 –5 100,287 –4 97,060 –3 94,020 –2 91,019 –1 88,171 0 85,396 1 82,729 2 80,162 3 77,662 4 75,286 5 72,940 6 70,727 7 68,542 8 66,465 9 64,439 10 62,491 11 60,612 12 58,781 13 57,039 14 55,319 15 53,693 16 52,086 17 50,557 18 49,065 19 47,627 20 46,240 21 44,888 22 43,598 23 42,324 24 41,118 25 39,926 26 38,790 27 37,681 28 36,610 29 35,577 30 34,569 31 33,606 32 32,654 33 31,752 34 30,860 35 30,009 36 29,177 37 28,373 38 27,597 39 26,838 40 26,113 41 25,396 42 24,715 43 24,042 44 23,399 45 22,770 46 22,161 47 21,573 48 20,998 49 20,447 50 19,903 51 19,386 52 18,874 53 18,384 54 17,904 55 17,441 56 16,991 57 16,552 58 16,131 59 15,714 60 15,317 TEMP RESISTANCE (F) (Ohms) 61 14,925 62 14,549 63 14,180 64 13,824 65 13,478 66 13,139 67 12,814 68 12,493 69 12,187 70 11,884 71 11,593 72 11,308 73 11,031 74 10,764 75 10,501 76 10,249 77 10,000 78 9,762 79 9,526 80 9,300 81 9,078 82 8,862 83 8,653 84 8,448 85 8,251 86 8,056 87 7,869 88 7,685 89 7,507 90 7,333 91 7,165 92 6,999 93 6,838 94 6,683 95 6,530 96 6,383 97 6,238 98 6,098 99 5,961 100 5,827 101 5,698 102 5,571 103 5,449 104 5,327 105 5,210 106 5,095 107 4,984 108 4,876 109 4,769 110 4,666 111 4,564 112 4,467 113 4,370 114 4,277 115 4.185 116 4,096 117 4,008 118 3,923 119 3,840 120 3,759 121 3,681 122 3,603 123 3,529 124 3,455 125 3,383 126 3,313 127 3,244 128 3,178 129 3,112 130 3,049 131 2,986 132 2,926 133 2,866 134 2,809 135 2,752 136 2,697 137 2,643 138 2,590 139 2,539 140 2,488 141 2,439 142 2,391 143 2,343 144 2,297 145 2,253 146 2,209 95 TEMP RESISTANCE (F) (Ohms) 147 2,166 148 2,124 149 2,083 150 2,043 151 2,003 152 1,966 153 1,928 154 1,891 155 1,855 156 1,820 157 1,786 158 1,752 159 1,719 160 1,687 161 1,656 162 1,625 163 1,594 164 1,565 165 1,536 166 1,508 167 1,480 168 1,453 169 1,426 170 1,400 171 1,375 172 1,350 173 1,326 174 1,302 175 1,278 176 1,255 177 1,233 178 1,211 179 1,190 180 1,169 181 1,148 182 1,128 183 1,108 184 1,089 185 1,070 186 1,052 187 1,033 188 1,016 189 998 190 981 191 964 192 947 193 931 194 915 195 900 196 885 197 870 198 855 199 841 200 827 201 814 202 800 203 787 204 774 205 762 206 749 207 737 208 725 209 714 210 702 211 691 212 680 213 670 214 659 215 649 216 639 217 629 218 620 219 610 220 601 221 592 222 583 223 574 224 566 225 557
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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
Page 43 and 44: Table 31 — Unit Configuration ITE
Page 45 and 46: SETTING UP THE SYSTEM Machine Contr
Page 47 and 48: High SST Alert Delay Time (H.SST)
Page 49 and 50: Table 36 — Cool/Heat Set Point Of
Page 51 and 52: Table 38 — Run Status Cool Displa
Page 53 and 54: To use Demand Limiting, select the
Page 55 and 56: Size 050, 055, 060 Contactor OFM(s)
Page 57 and 58: Whenever the outdoor ambient temper
Page 59 and 60: Demand Level Low Heat Off Offset (L
Page 61 and 62: Limit Switch Low Temp (SW.L.T) —
Page 63 and 64: STAGE Table 49 — IGC LED Indicato
Page 65 and 66: Table 50 — Static Pressure Contro
Page 67 and 68: Table 53 — Dirty Filter Switch Po
Page 69 and 70: NOTE: If the user wishes to disable
Page 71 and 72: the economizer modulates when attem
Page 73 and 74: P = K * BP.P * (error) I = K * BP.I
Page 75 and 76: its smoke. Closing the economizer (
Page 77 and 78: Table 57 — Indoor Air Quality Con
Page 79 and 80: Table 58 — Humidity Configuration
Page 81 and 82: The default sensor is the return ai
Page 83 and 84: TEMPERATURE COMPENSATED START LOGIC
Page 85 and 86: Sensor Trim Configuration — The T
Page 87 and 88: SUPPLY FAN VFD CONFIGURATION — Th
Page 89 and 90: REMOTE SWITCH LOGIC CONFIGURATION (
Page 91 and 92: Alarms and Alarm History for for an
Page 93: Transducer Troubleshooting — The
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 and 144: Routine cleaning of coil surfaces i
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Saturated Discharge Temperature (de
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Gas System Adjustment (48P Only) GA
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APPENDIX A — LOCAL DISPLAY TABLES
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APPENDIX B — CCN TABLES (cont) ST
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APPENDIX B — CCN TABLES (cont) ST
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APPENDIX B — CCN TABLES (cont) SE
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APPENDIX B — CCN TABLES (cont) MA
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APPENDIX B — CCN TABLES (cont) MA
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TESTACTC TESTCOOL TESTFANS TESTHEAT
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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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