Instruction/ maintenance manual of the product C7150B Honeywell
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PRODUCT DATA 63-2484-2 Solid State Economizer System (CONSISTING OF: C7046C DISCHARGE AIR SENSOR OR C7150B MIXED AIR SENSOR, C7400A SOLID ST A TE ENTHALPY SENSOR OR C7650A SOLID ST A TE TEMPERA TURE S.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 2 ORDERING INFORMATION When purchasing replacement and modernizat io n products from your TRADELINE® whol esaler or distributor , refer to the TRADELINE® Catalog or price sheets for complete ordering number .
SOLID ST ATE ECONOMIZER SYSTEM 3 63-2484—2 MS7505 Spring Return Dir ect Coupled Actuator The MS7505 Series Spring Return Direct Coupled Actuators (DCA) are control actuators that provide proportionin g control for valves and dampers.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 4 Fig. 2. Approx imate dimension s of C7150B Mixed/ Discharge Air Sensor in in. (mm). Fig. 3. Approximate dimensions of C7400A Solid State Enthalpy Sensor/C765 0A Solid St ate T emperatu re Sensor in in. (mm).
SOLID ST ATE ECONOMIZER SYSTEM 5 63-2484—2 Shaf t: Single-ended drive shaft with crank arm supplied. Reliability: Full-S troke Cycles: 60 ,000. Repositions: 1 ,500,000. Approvals: Underwriters Laboratory Inc.: Flammability Ratin g: UL94-5V . Component Recognized: File No .
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 6 Fig. 5. Approx imate dimension s of back mounting br acket for T6031H in in. (mm). W7459A,C Solid State Economizer Logic Module Used with C7400 Sensor or C7650A Sensor and M7415 or M8405 Actuator to proportio n ou tdoor and return air dampers for economizer control in commercial HV AC equipment.
SOLID ST ATE ECONOMIZER SYSTEM 7 63-2484—2 IMPORT ANT All inputs and outputs must be 24 V ac Class 2. Ambient Ratings: T emperature: -40°F to +149°F (-40°C to +65 °C).
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 8 CAUTION Personal Injury Hazard. Spring-return assembly can rele ase. Leave end covers attached to the motor . Location and Mounting Locate motor as close as possible to the equipment to be controlled. Refer to Fig.
SOLID ST ATE ECONOMIZER SYSTEM 9 63-2484—2 T o mount the C7046C Sensor in a junctio n box (see Fig. 1 1): 1. Cut a 1/2 in. (13 mm) hole in the duct or plenum surface at the desired locati on. 2. Remove the center rear kno ckout from the junction box and insert the sensor p robe through the kn ockout with the flange fla t against the junction box.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 10 IMPORT ANT Failure to follo w these wiring practices can introduce electrical interference (noise) that can cause erratic system operation: a. Keep wiring at least one foot away from large induc- tive loads such as motors, line starters, lighting bal- lasts, and large power distribution panels.
SOLID ST ATE ECONOMIZER SYSTEM 11 63-2484—2 Wiri ng CAUTION Can Cause Electrical Shoc k or Equipment Damage. Disconnect power supply before connecting wiring. Disconnect the power suppl y before connecting wiring to prevent electrical shock and equipment damage.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 12 Fig. 16. Mounting the W7212 module on sheet metal. C7400 Enthalpy Sensor and C7650A T emperature Sensor Location and Mounting Outdoor air sensing: Mount t.
SOLID ST ATE ECONOMIZER SYSTEM 13 63-2484—2 Fig. 18. Partial psychrometric chart with single C7400A So lid St ate Enthalpy Sensor and W7212 or W745 9 Solid St a te Economizer Logi c Module performanc e curves. Fig. 19. C7400A Sensor output current vs.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 14 M7415 Damper Actuator Single M7415 Damper Actuato r accepts thermistor sensor input from a C7046A or a C7150B Mixed Air Sensor mounted in discharge or mixed air duct.
SOLID ST ATE ECONOMIZER SYSTEM 15 63-2484—2 M7415 and M8405 Damper Actuators Adjusting Minimum Position (V entilation) The M7415 Damper Actuator is adj usted for desired minimum position using a Q709 Actuat or Mounted Min imum Position Potentiometer and/or a remote S963B1 136 Manual Potentiometer .
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 16 The setpoint scale markin gs, located on the W7459, are A,B,C and D. T urn the setpoi nt potentio mete r fully clockwise to the D setting.
SOLID ST ATE ECONOMIZER SYSTEM 17 63-2484—2 OPERATION: W7212 The purpose of the economizer is to use outdoor air for cooling, whenever possible, to reduce compressor opera tion. Power at the N terminal determines the Occupied/Unoccupi ed setting: — W7212: • 24 V ac (Oc cupied).
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 18 NOTES: — DCV and Free Cooling have setpoints and LED indications. — For models with a B terminal (W7213): No power to B: cooling mode, free cool enabled. Module follows log ic detailed above. 24V power to B: heating mode, free cool disabled.
SOLID ST ATE ECONOMIZER SYSTEM 19 63-2484—2 7. If all minimum and maximum position adjustments are complete, remove the T -T1 jumper and reconnect the mixed air sensor .
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 20 Fig. 27. M8405A Damper Actuator u sed in two-st age coolin g system with differential enthalpy changeover and W7459C Economizer .
SOLID ST ATE ECONOMIZER SYSTEM 21 63-2484—2 Fig. 28. W7459A/C7400 used in two-stage cooling system with single enthalpy changeover and with M7415 Actuator . L1 (HOT) L2 FDR FDR FA N FA N DELA Y RELA Y HEA T 1 HEA T 2 COOL 1 HV AC EQUIPMENT TERMINAL STRIP POWER SUPPL Y .
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 22 Fig. 29. W7212 used with M7215 Damper Motor an d T7300 Thermostat. POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. ENSURE THA T TRANSFORMER IS SIZED T O HANDLE THE EXTRA LOAD OF THE ECONOMIZER AND ACTUA TOR.
SOLID ST ATE ECONOMIZER SYSTEM 23 63-2484—2 Fig. 30. W7212 used with M7215 Damper Motor an d T7350 Thermostat. POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. ENSURE THA T TRANSFORMER IS SIZED T O HANDLE THE EXTRA LOAD OF THE ECONOMIZER AND ACTUA TOR.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 24 Fig. 31. W7212 used with M7215 Damper Motor and TB7220 or TB8220 Thermostats. POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. ENSURE THA T TRANSFORMER IS SIZED T O HANDLE THE EXTRA LOAD OF THE ECONOMIZER AND ACTUA TOR.
SOLID ST ATE ECONOMIZER SYSTEM 25 63-2484—2 Fig. 32. W7212A used in single-stage cooling system with single enthalpy chan geover and Honeywell actuator and time clock for oc cup ancy . POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 26 Fig. 33. W7212A used in two-stage cooling system with Honeywell Series 72 Actuato r and time clock for occupancy . POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. ENSURE THA T TRANSFORMER IS SIZED TO HANDLE THE EXTRA LOAD OF THE ECONOMIZER AND ACTUA TOR.
SOLID ST ATE ECONOMIZER SYSTEM 27 63-2484—2 Fig. 34. W7212 controlling parallel-wired Honeywe ll Series 72 Actuators and time clock for occupancy . POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. ENSURE THA T TRANSFORMER IS SIZED TO HANDLE THE LOAD OF ALL ACTUA TORS.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 28 Fig. 35. W7213, W7214 cont rolling heat pump system. POWER SUPPL Y . PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
SOLID ST ATE ECONOMIZER SYSTEM 29 63-2484—2 T able 6. T rouble shooting modulating economizer—out door enthalpy above setpoi nt. Conditio n on Logic Mod ule Should Be Condition Not Met 1. Red LED not lighted. 1. If the LED glows, the Logic Module recogni zes conditions are good for free cool- ing.
SOLID S TATE ECONOMIZER SYSTEM 63-2484—2 30 T able 8. T roubleshooting thre e-position eco nomizer—out door enthalpy above setpo int. Condition on Logic Module Should Be Conditions Not Met 1. Red LED not lighted. 1. If the LED glows, the module is in the economizer mode.
SOLID ST ATE ECONOMIZER SYSTEM 31 63-2484—2 CHECKOUT AND T R OUBLESHOOTING: W7212 Checkout requires a 9V battery , 620 ohm, 1.2K ohm, 5.6K ohm, and 6.8K ohm resistors. Use T able 10 and Fig. 36 for checkout. CAUTION Equipment Damage Hazard . Excessive force can damage potentiometer controls.
Automation and Co ntrol Solutions Honeywell Internation al Inc. Honeywell Limited-Honeywell Limitée 1985 Douglas Dri ve North 35 Dynamic Drive Golden Valley, MN 55422 Toronto, Ontario M1V 4Z9 customer.honeywell.com SOLID S TATE ECONOMIZER SYSTEM ® U.
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If you already are a holder of Honeywell C7150B, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell C7150B.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell C7150B. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell C7150B along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
