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Table of contents for the manual
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Page 1
Installation, Operating and Maintenance Manual PYRAMID 8000 ® SERIES COMPRES SED BREA THING AIR PURIFIERS WARNING Improper use of this equipment may cause illness, injury or death. This instruction manual must be read by everyone who installs or works with this equipment. Bulletin 289 Rev. F (10/99) Copyright ©1999 Flair-New Castle, Inc. Printed [...]
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Page 2
Table of Contents SAFETY INSTRUCTIONS ............................1 SAFETY .......................................2 I N S T A L L A T I O N ..................................2 Receiving and Inspection ............................2 Clearance ....................................3 Ambient Air Temperature ............................3 Location ........[...]
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Page 3
Tables Table I Maximum Allowable Carbon Monoxide Concentration .............1 Table II Purifier Dimensions* ................................3 Table III Purifier Specifications ...............................3 Table IV System Operation Monitor Indicating Lights ..................6 Table V Air and Refrigerant Temperatures ........................7 Ta[...]
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Page 4
Labels and Figures 8DM Series Instruction Plate Part No. 44DE127B .................................1 Danger Label: Grossly Contaminated Air Part No. 56DE152A .................................2 Purifier Data Plate Part No. 44DE23A .................................2 Figure 1. Air and Refrigerant Flow Diagram ...................4 Figure 2. System Oper[...]
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Page 5
INTRODUCTION Pyramid 8000 ® (8DM) Series compressed breathing air purifiers are designed to reduce the concentration of oil, moisture, particulates and carbon monoxide in the airstream. When applied at rated capacity and specified operating conditions as shown in Table III and properly main - tained, 8DM Series purifiers supply air that meets OSHA[...]
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Page 6
The instruction plate is firmly attached to the purifier for quick reference to important instructions. The plate does not replace the complete manuals supplied with the purifer. Do not remove or deface the plate. SAFETY 8DM Series purifiers are designed and constructed with safety as a prime consideration. Each purifier is pressure tested to 1½ t[...]
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Page 7
Clearance Allow adequate clearance on all four sides of the puri - fier for cooling air flow and for service and mainte - nance access. Above the purifier, allow at least one-half the height of Model 8DM25, 8DM50 or 8DM75 to replace cartridges. Above Model 8DM100 or 8DM150, allow the full height of the purifier. See Table II for purifier dimensions[...]
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Page 8
and outlet piping must be as large as the connections or larger. Piping that is smaller than the purifier con - nections will increase pressure drop and reduce breath - ing air flow. Install a pressure gauge at the purifier inlet to indicate purifier operating pressure. Install shutoff valves be - fore and after the purifier. Install a depressuriza[...]
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Page 9
® The coalescing filter removes oil mists, separates liquid oil and condensate, and automatically dis - charges these contaminants from the purifier. ¯ The activated carbon filter removes hydrocarbon vapors to eliminate objectionable tastes and odors. ° The air-to-air heat exchanger heats the air before it enters the catalyst cartridge ² to inc[...]
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Page 10
NORMAL OPERATION — The green NORMAL OPERATION indicator will light when the tempera - ture inside the evaporator (chiller ) is normal. CHECK OPERATING CONDITIONS — The red CHECK OPERATING CONDITIONS indicator will light when the temperature inside the evaporator is too high. SERVICE DUE — The yellow SERVICE DUE indi - cator will light under t[...]
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Page 11
SYSTEM ALARM — The red SYSTEM ALARM indicator signals air system or dryer operating condi - tions that may affect dew point performance or cause damage to the dryer. Temperature SCAN/SEEK Push Button The SCAN/SEEK push button on the System Opera - tion Monitor provides a readout on the alphanumeric display of the following temperatures: • inlet[...]
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Page 12
Refrigerant Discharge Temperature — This tem - perature is used by service personnel to analyze the performance of the refrigeration system. Ambient Air Temperature — If the ambient air tem - perature falls outside the acceptable range, the dryer may fail to achieve the required dew point or dryer shutdown may result due to high refrigerant dis[...]
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Page 13
AUTOMATIC DRAIN VALVES (ADVs) 8DM Series purifiers are equipped with two electronic automatic drain valves (ADVs) that automatically dis - charge condensate from the coalescing filter. Drain valve controls for one drain are on the front panel. Controls for the second ADV are on the drain valve. ADV operation is controlled by an electronic timer. Th[...]
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Page 14
10 Pyramid 8000 ® Series Purifiers (Bulletin 289) Do not turn power switch to ON until the end of the 4-hour warm-up period. This 4-hour period is essential. It heats up the refrigerant compres - sor oil and boils off liquid refrigerant to pre - vent compressor failure. The warm-up period can be shortened or skipped only if the purifier had been o[...]
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Page 15
MAINTENANCE How to Use the Maintenance Section Make the preventive maintenance procedures de - scribed beginning on page 11 a regular part of your maintenance schedule to ensure continuing safe opera - tion of the purifier. If any problems occur that are not remedied by routine maintenance, see the FIELD SERVICE GUIDE. For assistance with problems [...]
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Page 16
manual) for drain valve maintenance instruc - tions. Before restarting the purifier, open the manual drain on the particulate filter. If no liquid discharges, close drain. WARNING If any liquid discharges from the particulate filter, immediately stop using the purifier out - let air for breathing. Replace all elements and the catalyst vessel . Cont[...]
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Page 17
6. Lift the vessel out from the top. Use the boom and hoist for models 8DM100 and 8DM150; vessels for smaller models can be lifted out by hand. 7. All vessels may be discarded, except BA17 and AC17. These vessels can be returned to the factory for credit. See page 11 for return procedure. 8. Lower a new vessel into place from the top. Use the boom [...]
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Page 18
WARNING To restart the purifier, follow the procedure described in the Start-Up section of this man - ual. Afterfilter Element Replacement To replace the element: 1. Shut down the purifier according to the Shutdown procedure. 2. Open the manual drain valve at the bottom of the filter. 3. Remove the threaded bowl from the top casting. 4. Remove the [...]
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Page 19
FIELD SERVICE GUIDE The problem most frequently encountered in refrigera - tion systems is liquid water downstream. Most causes of water carry-over can be identified and remedied by using the FIELD SERVICE GUIDE. For further help, contact Deltech. DANGER Refrigeration systems can be dangerous. Work on the refrigeration system should be done only by[...]
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Page 20
16 Pyramid 8000 ® Series Purifiers (Bulletin 289) SYMPTOM POSSIBLE CAUSE REMEDY Refrigerant compressor running. (REFRIG DISCHARGE tempera - ture light flashes, temperature is outside normal range or alarm set point is reached.) 1. Purifier turned on less than one hour. 1. If light is still on after one hour, do not use puri - fier. Contact Deltech[...]
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Page 21
Pyramid 8000 ® Series Purifiers (Bulletin 289) 17 Figure 4a. Electrical schematic—Models 8DM25, 8DM50 and 8DM50-E75[...]
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Page 22
18 Pyramid 8000 ® Series Purifiers (Bulletin 289) Figure 4b. Electrical schematic—Models 8DM75, 8DM100 and 8DM150[...]
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Page 23
Pyramid 8000 ® Series Purifiers (Bulletin 289) 19 Figure 4c. Electrical schematic—Models 8DM150-E5/E55[...]
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Page 24
20 Pyramid 8000 ® Series Purifiers (Bulletin 289) Figure 5a. Cartridge locations—Model 8DM25 Key Description Replacement Part Number 8DM25 1 Coalescing Filter 812E 2 Activated Carbon Filter AC11 3 Catalyst Vessel BA8 4 Afterfilter 505E[...]
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Page 25
Pyramid 8000 ® Series Purifiers (Bulletin 289) 21 Figure 5b. Cartridge locations—Models 8DM50 and 8DM75 Key Description Replacement Part Number 8DM50 8DM75 1 Coalescing Filter 813E 814E 2 Activated Carbon Filter AC12 AC13 3 Catalyst Vessel BA14 BA14 4 Afterfilter 505E 508E[...]
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22 Pyramid 8000 ® Series Purifiers (Bulletin 289) Key Description Replacement Part Number 8DM100 8DM150 1 Coalescing Filter 814E 815E 2 Activated Carbon Filter AC13 AC17* 3 Catalyst Vessel BA17* BA17* 4 Afterfilter 508E 508E Figure 5c. Cartridge locations—Models 8DM100 and 8DM150 * BA17 catalyst vessels and AC17 activated carbon vessels are fabr[...]
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Page 27
Pyramid 8000 ® Series Purifiers (Bulletin 289) 23 Models 8DM25, 8DM50 and 8DM75 Models 8DM100 and 8DM150 Table VIII Purifier Dimensions* Model Inlet/ Outlet Conn. (in FPT) Height Width Depth A** B** C** 8DM25 1 2 45 24 24 31 36 10.5 8DM50 3 4 45 30 30 36.5 41 16 8DM75 3 4 45 30 30 36.5 41 16 8DM100 1 55 36 36 16 48 8.5 8DM150 1 55 36 36 16 48 8.5 [...]
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4647 SW 40th Avenue • Ocala, FL 34474-5799 Telephone 352-873-5700 • Fax 352-873-5744 E-mail deltech@udi-flair.com www.udi-flair.com/deltech U.S. FACILITIES New Castle, Delaware Ocala, Florida Stanley, North Carolina CANADIAN FACILITY Brockville, Ontario Tel. 800-893-5247 • Fax 800-318-0952 EUROPEAN FACILITIES Horndean, Hants, England Dortmund[...]