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CONdENSING UNItS
Revision V 2405
Model Numbers:
BAH4-18-15, BAH4-24-15, BAH4-30-15, BAH4-36-15,
BAH4-42-15, BAH4-48-15, BAH4-60-15
W A R N IN G
Installation MUST conform with local building codes or, in the absence of local codes, with the National Electrical Code
NFPA70/ANSI C1-1993 or current edition and Canadian Electrical Code Part1 CSA C.22.1.
The information contained in the manual is intended for use by a qualified service technician familiar with safety
procedures and equipped with the proper tools and test instruments
Installation or repairs made by unqualified persons can result in hazards to you and others.
Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage,
personal injury and/or death.
tOp-dISCHARGE OUtdOOR wItH AHU
tECHNICAL MANUAL
1
BAH4 SERIES
208/230V 1Ph 60Hz
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Related Manuals for ComfortStar BAH4 Series
Summary of Contents for ComfortStar BAH4 Series
- Page 1 OUtdOOR wItH AHU tECHNICAL MANUAL BAH4 SERIES 208/230V 1Ph 60Hz CONdENSING UNItS Revision V 2405 Model Numbers: BAH4-18-15, BAH4-24-15, BAH4-30-15, BAH4-36-15, BAH4-42-15, BAH4-48-15, BAH4-60-15 W A R N IN G Installation MUST conform with local building codes or, in the absence of local codes, with the National Electrical Code ...
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Page 2: Table Of Contents
P a rt 1 . G en e ral Info rm a tio n ......................1 1. Model Names of Indoor/Outdoor units ................2 2. Extemal Appearance ......................3 3. Features ..........................4 P a rt 2 . Ind o o r U n it ..........................6 Features ..........................6 Dimension ........................ -
Page 3: P A Rt 1 . G En E Ral Info Rm A Tio N
P a rt 1 . G e n e ra l In fo rm a tio n 1. Model Names of Indoor/Outdoor Units ..........2 2. External Appearance ................3 3. Features ..................... 4... -
Page 4: Model Names Of Indoor/Outdoor Units
1. M o d e l N a m e s o f In d o o r/O u td o o r U n its 1.1 Ind o o r U n its M o d e l n a m e D im en s io n (W ×... -
Page 5: Extemal Appearance
2 . E x te rn a l A p p e a ra n c e 2.1 Ind o o r u n it 2.2 O u tdo o r un it N o te : S tan d a rd o utd o o r u nit is u s in g p la stic g rill. M eta l grill ca n be cus to m ized . -
Page 6: Features
3 . F e a tu re s 3.1 O p e ra tio n fe atu res Long Piping & Cost Effective Low noise operation, as low as 42dB(A) 24V control, time delay relay, fan relay and transformer included. ... - Page 7 P a rt 2 . In d o o r U n it 1.Features ....................6 2.Dimension ................... 8 3.Service Space ..................9 4.Wiring Diagrams ................11 5.Electric Characteristics ..............12 6.The Specification of Wiring ..............12 7.Field Wiring ..................12...
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Page 8: Features
1. F e a tu re s (1) “A” shape coils, constructed with constructed with Inner-grooved oxygen free copper pipe and enhanced aluminum fins. (2) ECM motors, the air handler has multiple fan modes to choose from, which can flexibly respond to various environments. - Page 9 (6) Electric Heating with Different Power (Optional) CHE3-05 CHE3-08 CHE3-10 CHE3-15 CHE3-20 (7) Multi-position installation (Optional) Versatile 4-way convertible design for vertical up airflow, vertical down airflow*, horizontal left airflow* and horizontal right airflow. *: Vertical dow n airflow and H orizo ntal left airflow are optional.
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Page 10: Dimension
2. D im e n s io n... -
Page 11: Service Space
3. S e rvic e S p a c e The indoor unit should be installed in a location that meets the following requirements: INSTALLATION NOTES: 1. For vertical upward airflow (Standard), the position and dimension of rubber plugs and traps of drain pipes are as follows: 2. - Page 12 3. For horizontal right airflow (Standard), the position and dimension of seal plugs of drain pipes are as follows: 4. For horizontal left airflow (Optional), the position and dimension of seal plugs of drain pipes are as follows: # R em ark: P lea se refer to th e in stallatio n m an u al fo r m o re in stallatio n in fo rm atio n . 5.
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Page 13: Wiring Diagrams
4 . W irin g D ia g ra m s 1 8K /24 K /30 K /3 6K /4 2K /4 8K /60 K... -
Page 14: Electric Characteristics
5 . E le c tric C h a ra c te ris tic s 6 . E le c tric a l W irin g N o te : The diameters of wires or lines should not be less than the corresponding ones listed in the table below;... - Page 15 P a rt 3 O u td o o r U n it 1. Dimensions ..................14 2. Service Space .................. 15 3. Wiring Diagrams ................16 4. Electric Characteristics ..............17 5. Operation Limits ................18 6. Sound Levels ................... 18 7.
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Page 16: Dimension
1. D im e n s io n When installing the outdoor unit on the roof, make sure that the roof can support the weight of the outdoor unit. It is recommended to choose appropriate isolation to prevent sound or vibration from being transmitted to the building structure. -
Page 17: Service Space
2. S e rvic e S p a c e 1. Make sure that the discharge area at least 60 inches above the top of the unit is unrestricted. 2. The clearance from one side of the access panel to the wall should be at least 24 inches. 3. -
Page 18: Wiring Diagrams
3 . W irin g D ia g ra m H e at p u m p u n it... -
Page 19: Electric Characteristics
4 . E le c tric C h a ra c te ris tic s O u td o o r U nit (S c ro ll) M o d e l M IN . C irc u it V olta g e M in . -
Page 20: Operation Limits
5 . O p e ra tio n L im its Operation mode Outdoor temperature (℉) Cooling operation 58~115 Heating operation 15~75 6 . S o u n d L e ve ls Microphone (body height +1 )/2 m M o d e l N o is e lev e l d B (A ) N o te: S o u n d leve l is m eas u red at a p o in t 1 m in fro n t o f th e u n it, at a h eig h t o f (U n it b o d y h eig h t +1 )/2 m . -
Page 21: Refrigerate Diagram
7 . R e frig e ra te d ia g ra m A p p lic a b le fo r h e at p um p typ e N o te: In h eatin g m o d e, th e th ro ttlin g d evic e is o u td o o r u n it p isto n ; In co o lin g m o d e, th e th ro ttle d evic e is in d o o r u n it p isto n . - Page 22 P a rt 4 In s ta lla tio n 1 .Precaution on Installation ..............21 2. Emptying ..................23 3. Additional Refrigerant Charge ............23 4. Insulation Work ................24...
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Page 23: Precaution On Installation
1 . P re c a u tio n o n In s ta lla tio n 1.1 M ea s u re th e n ec es s ary len g th of th e c o n n e ctin g pip e , a nd m a ke it b y th e follo w in g w ay a. - Page 24 1.4 R e frig e ran t P ipe lin e L ea ka g e Ins p e ctio n a. Use dry nitrogen to pressurize the refrigerant line and evaporator coil to 150 PSIG. b. Use soapy water or foam at each soldering position to check for leaks. 1.5 T h e n , o p e n th e ste m of sto p va lue s of th e ou td o o r u nit to m a ke the re frig e ran t p ip e co n n e c tin g th e in do o r un it w ith th e o utd o o r un it in flu e n t flo w .
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Page 25: Emptying
2 . E m p tyin g C A U T IO N S : Do not open the service valve until the leakage inspection and emptying of refrigerant lines and indoor coils are completed. 1. Evacuate until the micrometer reading is not higher than 350 micrometers, and then close the valve of the vacuum pump. -
Page 26: Insulation Work
4 . In s u la tio n W o rk 4.1 In s u latio n m a te ria l an d th ic k n e ss 1. Insulation material Insulation material should adopt the material which is able to endure the pipe’s temperature: no less than 70℃... - Page 27 For construction convenience, before laying pipes, use insulation material to insulate the pipes to be deal with, at the same time, at two ends of the pipe, remain some length not to be insulated, in order to be welded and check the leakage after laying the pipes.
- Page 28 P a rt 5 U n it m a in te n a n c e 1. Fault indicator of indoor unit ............. 27 2. Fault indicator of outdoor unit ............27 3. Troubleshooting of Fault Codes ............28...
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Page 29: Fault Indicator Of Indoor Unit
1 . F a u lt in d ic a to r o f in d o o r u n it The meaning of the fault indicator: C o nte n t Description Unit is standby Green light flash 1 time every 3 seconds Normal display Unit is running normally Green light ON... -
Page 30: Troubleshooting Of Fault Codes
T5 high temp. protection occurs 3 Yellow light flash 7 times for every 8s times within 20 mins Fan motor feedback error occurs 3 Yellow light flash 8 times for every 8s times within 20 mins 3 . Tro u b le s h o o tin g o f F a u lt C o d e s 3.1 T3 Condenser Temperature sensor error 3.2 T4 Outdoor Ambient Temperature sensor error... - Page 31 3.3 T5 Discharge Temperature sensor error 3.4 Low Pressure alarm...
- Page 32 3.5 High Pressure alarm 3.6 T3 high temperature protection...
- Page 33 3.7 T5 high temperature protection 3.8 Fan motor feedback error...
- Page 34 3.9 Temp. sensor error...
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