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

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ight side of the unit (when facing return air end). See Fig. 40- 42. All gas system components are in the gas section. MAIN BURNERS (48P Only) — At the beginning of each heating season, inspect for deterioration due to corrosion or other causes. Observe the main burner flames and adjust if necessary. See Gas System Adjustment section on page 163. FLUE GAS PASSAGEWAYS (48P Only) — The flue collector box and heat exchanger cells may be inspected by removing heat exchanger access panel, flue box cover, and main burner assembly (Fig. 43). Refer to Main Burners Removal and Replacement section on page 163 for burner REMOTE CCN SITE BUILDING SUPERVISOR NON CARRIER HVAC EQUIPMENT NETWORK OPTIONS AUTODIAL GATEWAY COMFORT CONTROLLER CCN BUS TERMINAL SYSTEM MANAGER LEGEND CCN — Carrier Comfort Network ® CL — ComfortLink Controls DAV — Digital Air Volume HVAC — Heating, Ventilation, and Air Conditioning TCU — Terminal Control Unit CL CL ROOFTOP UNIT ROOFTOP UNIT CL ROOFTOP UNIT 138 removal sequence. If cleaning is required, remove heat exchanger baffles and clean tubes with a wire brush. Use caution with ceramic heat exchanger baffles. When installing retaining clip, be sure the center leg of the clip extends inward toward baffle. See Fig. 44. COMBUSTION-AIR BLOWERS (48P Only) — Clean periodically to assure proper airflow and heating efficiency. Inspect blower wheel every fall and periodically during heating season. For the first heating season, inspect blower wheel bi-monthly to determine proper cleaning frequency. HEATING/COOLING UNITS TCU DAV AIR TERMINAL TCU DAV AIR TERMINAL ROOFTOP UNIT TCU AIR DISTRIBUTION-DIGITAL AIR VOLUME CONTROL (DAV) Fig. 36 — CCN System Architecture CL CL ROOFTOP UNIT TO ADDITIONAL TERMINALS DAV FAN POWERED MIXING BOX
Fig. 37 — Door Latch Fig. 38 — Typical Filter Drier and Liquid Service Valve Access Fig. 39 — Modulating Power Exhaust Motor Access (Both Sides) 139 NOTE: High heat consists of sections 1 and 2. Low heat consists of section 1 only. Fig. 40 — Gas Section Detail, Sizes 030-050 LIMIT SWITCH NO. 1 FLUE OUTLET SECTION 1 GAS VALVE GAS VALVE GAS VALVE LIMIT SWITCH NO. 2 FLUE OUTLET FLUE OUTLET LIMIT SWITCH NO. 2 SECTION 2 SECTION 1 LIMIT SWITCH NO. 1 FLUE OUTLET SECTION 2 GAS VALVE Fig. 41 — Gas Section Detail, Sizes 055-100 — Low Heat
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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
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 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: TIME EWT LWT SETP Run Status Servic
Page 141 and 142: SUPPLY FAN AND POWER EXHAUST MOTOR
Page 143 and 144: Routine cleaning of coil surfaces i
Page 145 and 146: 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
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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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