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Installation Instructions
Outdoor Condens-
ing
Section
Models: CTHAC181-A
CTHAC241-A
CTHAC301-A
CTHAC361-A
CTHAC421-A
CTHAC421-F
CTHAC481-A
CTHAC481-E
CTHAC481-G
CTHAC601-B
CTHAC601-F
For Use With:
Matching Indoor Blower Coil Units and
Matching Add On Coil Units Only
CTHAC181-D
CTHAC241-D
CTHAC301-D
CTHAC361-G
CTHAC421-E
CTHAC421-G
CTHAC481-B
CTHAC481-E
CTHAC601-A
CTHAC601-E
CTHAC601-G
Manual No.: 2100-292
Date:
12-19-96
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Related Manuals for Bard CTHAC181-A
Summary of Contents for Bard CTHAC181-A
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Page 1: Installation Instructions
Installation Instructions Outdoor Condens- Section Models: CTHAC181-A CTHAC181-D CTHAC241-A CTHAC241-D CTHAC301-A CTHAC301-D CTHAC361-A CTHAC361-G CTHAC421-A CTHAC421-E CTHAC421-F CTHAC421-G CTHAC481-A CTHAC481-B CTHAC481-E CTHAC481-E CTHAC481-G CTHAC601-A CTHAC601-B CTHAC601-E CTHAC601-F CTHAC601-G For Use With: Matching Indoor Blower Coil Units and Matching Add On Coil Units Only Manual No.: 2100-292... - Page 2 Contents Split Air Conditioner General Information ....1 FIGURES Split Air Conditioner Model Nomenclature ....1 Figure 1 ..............1 Figure 2 ..............3 Application and Location ..........3 Figure 3 ..............4 General ..............3 Figure 4 ..............4 Shipping Damage .............
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Page 3: Split Air Conditioner Model Nomenclature
Split Air Conditioner General Information Split Air Conditioner Model Nomenclature Table 1 — Dimensions “W” “D” “H” CTHAC 36 Model No. Width Depth Height CTHAC181 40" 15" 26" CTHAC241 Electrical Characteristics CTHAC301 A - 230/208-60-1 45" 15" 26" CTHAC361 B - 230/200-60-3 CTHAC421 D - 240/220-50-1 CTHAC481... -
Page 4: Table
Table 3 — Specifications MODELS CTHAC181-A CTHAC241-A CTHAC301-A CTHAC361-A CTHAC421-A Electrical Rating (60HZ/V/Ph) 230/208-1 230/208-1 230/208-1 230/208-1 230/208-1 Operating Voltage Range 197 - 253 197 - 253 197 - 253 197 - 253 197 - 253 Minimum Circuit Ampacity Field Wire Size... -
Page 5: Table
Table 4 — Specifications MODELS CTHAC181-D CTHAC241-D CTHAC301-D CTHAC361-G CTHAC421-G CTHAC421-E CTHAC421-F Electrical Rating (50HZ/V/Ph) 240/220-1 240/220-1 240/220-1 220/200-1 220/200-1 220/200--3 415/380-3 Operating Voltage Range 198 - 254 198 - 254 198 - 254 180 - 242 180 - 242 180 - 242 342 - 456 Minimum Circuit Ampacity... -
Page 6: Application And Location
Application and Location Location General Figure 2 — Installation Clearance These instructions explain the recommended method to install the air cooled remote type condensing unit, the interconnecting The condensing unit is designed to be located outside with free and refrigerant tubing and the electrical wiring connections to the unit. unobstructed condenser air inlet and discharge. -
Page 7: Sweat Style Tubing Connections: Sweat Indoor Unit And Sweat Outdoor Unit
Step 2. The tubing ends should be cut square. Make sure it is round and free of burrs at the connecting ends. Clean the tubing to prevent contaminants from entering the system. NOTE: Do not braze line to units! If orifice needs to be changed, change out orifice first. -
Page 8: Table
Step 8. Wrap a wet rag around the copper stub before brazing. WARNING Step 9. Flux the copper tube and insert into the stub. Braze the joint using an alloy of silver or copper and phosphorus with a melting temperature above 1,100° F for copper Never purge or pressurize a system with to copper joints. -
Page 9: Wiring Instructions
Wiring Instructions General Table 6 — Control Circuit Wiring All wiring must be installed in accordance with the National Maximum Total Rated VA of Transformer Distance of Electrical Code and local codes. In Canada, all wiring must be Control Circuit Secondary Control Circuit installed in accordance with the Canadian Electrical Code and in... -
Page 10: Optional Controls
Optional Controls Installation Instructions — CMA-1 CMA-5 Compressor Time Delay Relay Disconnect all power to unit. Remove control panel cover. Step 1. Mount lockout relay in position shown in Figure 5. Step 2. Disconnect yellow low voltage (Y) wire at compressor contactor coil or (Y1) at optional CMA-5 and reconnect to terminal #4 of the lockout relay. -
Page 11: Installation Instructions — Cma-2
Installation Instructions — CMA-2 Installation Instructions — CMA-4 Disconnect all power to unit. Remove control panel cover. Disconnect all power to unit. Remove control panel cover. Step 1. Snap control assembly into control panel as shown in Step 1. Snap control assembly into control panel as shown in Figure 5. -
Page 12: Installation Instructions — Cma-5
Installation Instructions — CMA-5 Installation Instructions — CMA-6 Disconnect all power to the unit. Remove control panel cover. Disconnect all power to unit. Remove control panel inner and outer cover. Step 1. Mount compressor TDR in position shown in Figure 5 with screw provided. -
Page 13: Installation Instructions — Cma-11
Installation Instructions — CMA-11 Step 10. Recheck wiring. Refer to Figure 11. Energize unit in first stage cooling. Compressor should start. Run the unit for at least 5 minutes. The unit should not go into Disconnect all power to unit. Remove control panel inner cover. lockout. -
Page 14: Charging Instructions
Charging Instructions Pressure Service Ports Table 7 — System Superheat High and low pressure service ports are installed on all units so Outdoor Ambient Return Air Temperature that the system operating pressures can be observed. Pressure Temperature º F — Wet Bulb (º... -
Page 15: Service Hints
Service Service Hints 1. Caution homeowner to maintain clean air filters at all times. Also, not to needlessly close off supply and return air registers. This reduces air flow through the system, which shortens equipment service life, as well as, increasing operating costs. 2. -
Page 16: Table 10
TABLE 10 – CTHAC181 Return Air Indoor Section Temperature Pressure Low Side 75° DB/62° WB FCP24 High Side Low Side 80° DB/67° WB High Side Low Side 85° DB/72° WB High Side Low Side 75° DB/62° WB CEVA018 High Side Low Side 80°... -
Page 17: Table 12
TABLE 12 – CTHAC301 Return Air Indoor Section Temperature Pressure Low Side 75° DB/62° WB FCP30 High Side Low Side 80° DB/67° WB High Side Low Side 85° DB/72° WB High Side Low Side 75° DB/62° WB CEVA030 High Side Low Side 80°... -
Page 18: Table 14
TABLE 14 – CTHAC421 Return Air Indoor Section Temperature Pressure Low Side 75° DB/62° WB FCP42 High Side Low Side 80° DB/67° WB High Side Low Side 85° DB/72° WB High Side Low side pressure ± 2 PSIG High side pressure ± 5 PSIG Tables are based upon rated CFM (airflow) across the evaporator coil. -
Page 19: Table 16
TABLE 16 – CTHAC601 Return Air Indoor Section Temperature Pressure Low Side 75° DB/62° WB FCP60 High Side Low Side 80° DB/67° WB High Side Low Side 85° DB/72° WB High Side Low Side 75° DB/62° WB CEVA060 High Side Low Side 80°...
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