Quest Engineering IQ Compressor Wall Series Operation And Maintenance Manual Download Page 5 | Manualshive

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Quest IQ Compressor Wall OMM

4

September 2020

Basic Information

HVAC system View and Options

Standard AG series HVAC systems are semi-custom: while basic concept and layout is the same, options and
specific systems and components layout and location may vary from one HVAC system to another. One of the
typical HVAC system arrangement is shown on Pic.C.1.

Pic. C.1

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Summary of Contents for IQ Compressor Wall Series

Page 1: ...IQ SERIES Compressor Wall OPERATION AND MAINTENANCE MANUAL QuestClimate com GROW ROOM HVAC...

Page 2: ...ta 9 Layout and Components 10 HVAC system Main Components 10 Control System 13 Dry Cooler Layout and Components 14 Sequence of Operation 16 Set Points 16 Ventilation 16 Space Heating 16 Air Conditioni...

Page 3: ...ly qualified technicians should install operate maintain or service mechanical equipment including current dehumidification system Read this manual before performing any tasks to familiarize yourself...

Page 4: ...ractors WARNING Any work installation start up service maintenance repair etc on any mechanical equipment HVAC system dry cooler etc must be performed in accordance with manufacturer s recommendations...

Page 5: ...and Options Standard AG series HVAC systems are semi custom while basic concept and layout is the same options and specific systems and components layout and location may vary from one HVAC system to...

Page 6: ...th the HVAC system Packaged AC option is available for outdoor models only alternatively indoor and outdoor models could be fitted for separate remote AC option remote dry cooler or other external coo...

Page 7: ...ly refer to submittal documentation Space Heating Gas Heater connection gas line If the HVAC system is equipped with a gas heater boiler gas furnace etc for space heating purposes the gas line connect...

Page 8: ...ystem s submittal documentation for more details Standard dry coolers used with this model of HVAC system is NG V series composed of number of two coils two fans blocks based on required capacity of t...

Page 9: ...nces Proper clearances should be maintained for adequate airflow and heat rejection Generally up to 36 side and 96 top clearances are required For more information on clearances as well as equipment d...

Page 10: ...interior of the HVAC system to show External systems connections location direction space heating cooling circuits condensate Air filter locations quantity and size Additional Info warning caution sti...

Page 11: ...on a Quest product is technically possible If provided the EF assembly is located on the HVAC system s return air side Exhaust Air opening in outdoor installed HVAC system is equipped with louver s 76...

Page 12: ...September 2020 11 Quest IQ Compressor Wall OMM 1 2 76 9 7 8 11a 21 24...

Page 13: ...self contained refrigerant circuit within each module Each module also includes a Control Module 17 Common to the compressor modules is the Glycol Pump 16a that circulates water glycol to reject compr...

Page 14: ...arious temperatures air water compressor etc b Combo sensor is used to monitor air temperature and humidity Compressor operation is monitored with pressure sensors Pic D 3 c Pressure Transducers only...

Page 15: ...l applicable AC options there are some deviations number of fans composition etc Refer to AC Options Basic View Basic Information chapter for additional information Cooling AC coils 31 where heat from...

Page 16: ...te side of the dry cooler Dry Coolers Pump Package Dry Coolers if equipped with such option would have a pump package box Pic D 6 below shows general layout of pump packages used for NG V model dry co...

Page 17: ...tively If such option is used exhaust fan speed would be controlled like the main blower via adjustable pre set variable signals the exhaust fan speed may vary depending on scheduled ventilation mode...

Page 18: ...shown on Pic E 2 Schematic shows single compressor module additional compressor modules schematic is the same and common to all compressor modules glycol cooling circuit Compressor operation below app...

Page 19: ...ive call is satisfied the pump down solenoid valve closes once the compressor suction pressure reaches the pre set pressure the glycol pump and compressor stop Outdoor Dry Cooler Operation Respective...

Page 20: ...ng the HVAC system and or performing any equipment maintenance work make sure that all moving parts are stopped and it is safe to perform required task Maintenance Key Points Here are some basic key m...

Page 21: ...ired Check and tighten if required hose clamps and sensor mounts Inspect all airside coils dry cooler HVAC system coils evaporator etc for dirt cobweb build up etc clean as needed Check that the P tra...

Page 22: ...Warning Hazardous chemicals Cleaning agents can be highly acidic or alkaline Handle all chemicals carefully and use appropriate personal protective equipment PPE Refer to the cleaning agent manufactu...

Page 23: ...r air bleeding valve etc Have each local low point of the system equipped with means to drain the fluid CAUTION Draining and re filling the dry cooler must be performed by trained personnel according...

Page 24: ...Warranty During the first 90 days from initial start up all parts and repairs related to factory defects or replacement parts are covered by the Quest manufacturer warranty All parts and labor requir...

Page 25: ...cts on which payment is in default 2 Parts that wear out due to normal usage such as air filters fuses and sensors are not covered by this warranty NOTE Refrigerant lost during the Initial 90 day Comp...

Page 26: ...ts must be returned to the factory with transportation prepaid by the customer as a condition of these warranties Optional extended warranties are for parts only and subject to all the terms of the Tw...

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