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Manual 2100-538A
Page

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TABLE  3

COOLING PRESSURE TABLE

Air Temperature Entering Outdoor Coil °F (°C)

Low side pressure  ± 2 PSIG
High side pressure ± 5 PSIG

Tables are based upon rated CFM (airflow) across the evaporator coil.  If there is any doubt as to correct operating charge
being in the system, the charge should be removed, system evacuated and recharged to serial plate charge weight.

NOTE 

1

:

Return air temperature at 50% R.H.

NOTE 

2

:

Units rated to 131F (55C) outdoor temperature, but higher fan speeds and automatic modulation of the
compressor due to pressure control make pressure readings above 115°F very unstable.  Pressure table is
based on low speed condenser fan operation.  Fan speed increases above 115°F.  Check pressures on unit
at outdoor ambient below 115°F.  Set thermostat at least 3° below current room temperature to ensure 100%
comp operation for purpose of pressure testing.

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Summary of Contents for W3LV1

Page 1: ...LL MOUNTED VARIABLE CAPACITY PACKAGE AIR CONDITIONERS MODELS W3RV1 W3LV1 W5RV1 W5LV1 W6RV1 W6LV1 Manual 2100 538A Supersedes 2100 538 File Volume III Tab 16 Date 08 02 10 Bard Manufacturing Company In...

Page 2: ...nt Control Options 23 Getting Other Information and Publications 3 Wall Mount General Information Wall Mount Model Nomenclature 4 Shipping Damage 4 General 4 Duct Work 5 Filters 5 Fresh Air Intake 5 C...

Page 3: ...gn for Residential ACCA Manual D Winter and Summer Air Conditioning and Equipment Selection FOR MORE INFORMATION CONTACT THESE PUBLISHERS ACCA Air Conditioning Contractors of America 1712 New Hampshir...

Page 4: ...ards Size of unit for a proposed installation should be based on heat loss calculation made according to methods of Air Conditioning Contractors of America ACCA The air duct should be installed in acc...

Page 5: ...FG5 be installed when no return duct is used Contact distributor or factory for ordering information If using a return air filter grille filters must be of sufficient size to allow a maximum velocity...

Page 6: ...ght of the installed unit MOUNTING THE UNIT 1 These units are secured by wall mounting brackets which secure the unit to the outside wall surface at both sides A bottom mounting bracket attached to sk...

Page 7: ...urn Air Opening Built In Optional Electrical Entrances Top Rain Flashing Bottom Installation Bracket Back View L M O E R S S S S S T 44 N Q P B 1 Dimension is 21 00 inches on W6RV W6LV models 2 Option...

Page 8: ...CLEARANCE ON ALL RAIN FLASHING COMBUSTIBLE MATERIALS DUCT TOP FLASHING AT TIME OF INSTALLATION 1 4 MIN CLEARANCE FROM REQUIRED DIMENSIONS TO MAINTAIN OPENING ENTIRE LENGTH OF TOP MATERIALS NOTES OF CA...

Page 9: ...D E 30 1 2 10 1 2 6 1 4 1 1 4 29 3 4 32 12 5 1 2 2 RETURN AIR FOAM AIR SEAL OPENING 29 Wall Opening and Hole Location View NOTES Supply Opening SUPPLY AIR Return Opening IT IS RECOMMENDED THAT A BEAD...

Page 10: ...bustible materials This is required for the first 3 feet of ducting It is important to insure that the 1 4 inch minimum spacing is maintained at all points Failure to do this could result in overheati...

Page 11: ...0 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C K E 1 000 B 1 000 I A C...

Page 12: ...WALL OPENING W GRILLE SUPPLY DUCT MAYBE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN CEILING RAIN RETURN AIR SLEEVE WALL SUPPLY AIR DUCT RAFTERS RAFTERS RETURN AIR OPENING W GRILLE RAIN FALSE...

Page 13: ...formation on three phase scroll compressor start ups See Table 4 for Electrical Specifications WIRING LOW VOLTAGE WIRING 230 208V 1 phase and 3 phase equipment dual primary voltage transformers All eq...

Page 14: ...iple leaks and recharges R 410A refrigerant is close to being an azeotropic blend it behaves like a pure compound or single component refrigerant The remaining refrigerant charge in the system may be...

Page 15: ...mpact on the durability of the compressor However reverse operation for over one hour may have a negative impact on the bearing due to oil pump out NOTE If compressor is allowed to run in reverse rota...

Page 16: ...ked ON as long as the unit is in the Test Mode 2 While in Test Mode 2 the compressor will NOT modulate but will be locked on at 100 to maintain the occupied room setpoint During the Test Mode 2 if the...

Page 17: ...ll be set at normal outdoor airflow Below 55 degrees the outdoor fan will modulate to maintain a 300 psi head pressure This will act as a low ambient fan cycling control The output may go to zero outp...

Page 18: ...s expired If the low pressure switch remains open or opens again for longer than 120 seconds the unit will go into manual lockout condition and the alarm relay circuit will energize Recycling the wall...

Page 19: ...harge resulting in a liquid subcooling as shown in Table 2 If charge is in doubt reclaim and recharge to factory nameplate charge Values are at 100 capacity TABLE 2 REFRIGERANTCHARGE l e d o M d e t a...

Page 20: ...1 9 6 4 0 3 1 8 9 4 2 3 1 0 3 5 5 3 1 5 6 5 e e S e t o N 2 F 7 6 0 8 C 4 9 1 7 6 2 e d i S w o L e d i S h g i H 7 3 1 4 6 3 6 3 1 3 8 3 6 3 1 4 0 4 6 3 1 7 2 4 7 3 1 3 5 4 8 3 1 1 8 4 9 3 1 1 1 5 1...

Page 21: ...A N 6 A N A N 0 1 A N A N A N A N A N 0 1 A N A N 0 1 A N A N A N Z 0 S 1 V L 3 W 1 V R 3 W 6 0 S 9 0 S 3 0 6 8 0 2 0 3 2 0 2 2 3 0 5 0 0 2 1 1 1 9 1 7 3 6 4 0 3 0 4 0 5 0 1 8 8 0 1 0 1 0 1 A N A N A...

Page 22: ...7 0 0 5 0 2 8 3 3 3 0 0 3 7 2 8 8 2 5 7 4 0 2 9 7 1 2 0 0 6 0 3 7 8 1 0 3 0 3 2 8 0 1 0 0 7 0 3 0 1 6 1 4 0 3 1 4 3 2 6 3 0 0 6 5 2 2 1 4 4 1 0 5 9 0 4 5 1 5 2 6 0 5 2 1 5 0 4 5 0 0 4 8 3 2 6 3 0 0 2...

Page 23: ...n o i t p i r c s e D 5 1 C M C e s a h P 1 V 0 3 2 t i K t r a t S X X 3 D A F B d r a d n a t S r e p m a D r i A h s e r F c i r t e m o r a B X 3 P O B e t a l P f f O k n a l B X 5 D A F B d r a...

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