Airmark GBW Series Скачать руководство пользователя страница 17 | Manualshive

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17

24. Wiring diagram for GBW models

HIGH VOL

TAGE disconnect all power sources prior to ser

vicing. Failure might lead to safet

y hazard

Fig 22-1.

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Содержание GBW Series

Страница 1: ...rsonal product or property caused due to installations violating regula tions In absence of local state codes refer to National Elec tric Code NFPA 90A 90B Uniform Mechanical Code WARNING When this unit is installed in an enclosed area such as a garage or utility room with any Carbon Monoxide producing devices i e automobile space heater water heater etc ensure that the enclosed area is properly v...

Страница 2: ...om of the drain pan Fig 4C 1 Since coil is upstream of the blower all drains MUST be trapped or sealed Failure to do so will result in condensate overflow from the drain pan Airmark will NOT be responsible for any damages resulting from failure to follow these instructions CAUTION The drain pan has primary red and secondary white drain connec tions If a secondary drain line is required it should b...

Страница 3: ...and have an out side vapor barrier to prevent formation of condensation 5 Installation Ensure that the unit is adequately sized The tonnage of the outdoor unit should never exceed the tonnage of this unit CAUTION The coil was manufactured with a dry ni trogen pre charge Release the pressure through the Schrader valve test port prior to installation If holding pressure is not present return coil to...

Страница 4: ...ended by the outdoor unit manufacturer whenever pos sible The piston should be sized accord ing to the capacity of the outdoor unit CAUTION Fig 8A 1 Flowrator assembly components Failure to install the proper piston can lead to poor system performance and possible compressor damage WARNING I Installation I 1 Disassemble flowrator body using two wrenches and un screwing with a counterclockwise moti...

Страница 5: ... MUST go into the distributor body towards the coil Failure to ensure this orientation will cause the piston to be bypassed during operation which might damage the outdoor unit CAUTION II 6 Replace the piston with one of the correct size Do not force the new piston into the body Make sure the piston moves freely in body II 1 Evacuate the system as per manufacturer guidelines and rec ommendations I...

Страница 6: ... housing III 1 Disassemble the flowrator body using two wrenches Un screw the body with a counter clockwise motion Ensure that the TXV selected is compat ible with the refrigerant used in the out door system R22 or R410A TXV caps are painted green for R22 or pink for R410A In absence of col or the caps will be marked with the compatible refrigerant CAUTION The sensing bulb and TXV body MUST be pro...

Страница 7: ... port of the TXV A Remove the valve stem from the Schrader port mounted on the suction line B Screw flare nut on TXV equal ization tube on to the Schrader valve stem III 10 Tighten all connections taking care to use proper back up III 12a Some Airmark coils come with a Schrader valve on the suc tion line If a Schrader port is present III 12b In some cases a suction line schrader port may not be pr...

Страница 8: ...lb once the piping has cooled 7 Flow nitrogen through the piping when brazing 8 Braze both refrigerant line connections using proper brazing pro cedures 9 When all line connections are brazed perform a proper system evacuation procedure per the outdoor unit manufacturer instructions 10 Seal the penetration open ings where the lineset piping en ters the air handler cabinet 1 Following outdoor unit ...

Страница 9: ...delay relay will send out a 24 volt signal to the low voltage terminal on the motor See Schematic Fig 22 1 Fan time delay periods are 30 seconds ON delay and 120 seconds OFF delay The Y wire from the thermostat is not connected at the air handler This wire goes directly to the outdoor unit 24 volt wiring to turn on the outdoor condensing unit when a call for cooling takes place The 24 volt common ...

Страница 10: ...d be placed in the return air duct near the entrance to the air handler The factory provided air filter should be in place inside of the air handler 13 Air Volume Adjustment Table 13 1 Fig 13 1 1 Select a starting speed tap from the CFM table The blower motor has selectable speed taps labeled 1 thru 5 Fig 13 2 The speed taps are energized by 24 volts received from the time delay relay When two sta...

Страница 11: ...ge the compressor After installation of the coil refer to the outdoor unit manufacturer for charging techniques and amount of charge If outdoor unit manufacturers charging instructions are unavailable then refer to instructions below to charge the system CAUTION Hot water flowing to the coil should be in the range of 120º 180º F Water at these temperatures can cause first degree burns Use of prope...

Страница 12: ...ter temperature entering the hot water coils is 120 180ºF depending on the amount of heat required by the structure This is done with the unit energized and operating long enough for all temperatures to stabilize After all connections are made start up and check up must be per Table 16 1 CFM Delivered at Various External Statics CFM OUTPUT BTUH TEMP RISE 1 08 Note BTUH output should be computed by...

Страница 13: ...a nently lubricated bearings and do not require further lubrication 7 Air filter replacement An air filter can restrict the airflow of air to the fan coil if it is not cleaned or replaced periodically When replac ing the air filter always replace with the same type and size as origi nally furnished with the unit 4 a Do not store combustible materials or use gasoline or other flammable liquids or v...

Страница 14: ...l pump timer to circulate the hydronic loop independent of the thermostat 1 Noisy Pump System may not be totally purged of air Purge the system again as described in the start up section above 2 T P valve on water heater weeps This normally occurs when a backflow preventer has been installed in the cold water supply line to the water heater An expansion tank may be necessary to correct this proble...

Страница 15: ...15 22 Wiring diagram for GFW models HIGH VOLTAGE disconnect all power sources prior to servicing Failure might lead to safety hazard Fig 21 1 ...

Страница 16: ...16 23 Massachusetts Applicable Installation Diagram ...

Страница 17: ...17 24 Wiring diagram for GBW models HIGH VOLTAGE disconnect all power sources prior to servicing Failure might lead to safety hazard Fig 22 1 ...

Страница 18: ...18 25 Massachusetts Applicable Installation Diagram ...

Страница 19: ...19 ...

Страница 20: ...19 AirMark All Rights Reserved Revised 01 18 19 Subject to change without notice and without incurring obligation 373 Atascocita Rd Humble TX 77396 Phone 281 441 6500 Toll Free 800 423 9007 Fax 281 441 6510 www airmark ac com ...

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