Carrier 09VE, Installation, Operation And Maintenance Instructions

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11 - AC FAN MOTOR ASSEMBLIES
11.1 - AC motor protection
■ All the motors are equipped with a thermal cut-out, which is available in the motor terminal box. Wiring for the thermal cut-out is
optional
11.2 - Fan with AC motor (3-ph 230 V/400 V 50 Hz)
■ On a 3-ph/400 V/50 Hz network, the motors have 2 rotation speeds, via star (Y) or delta connection (Δ).
-
Low speed with Y connection
-
High speed with Δ connection
■ On a 3-ph/230 V/50 Hz electrical network, the motors have 1 rotation speed via delta connection (Δ):
-
Low speed with Δ connection
Impeller diameter mm 910 800
Motor type A9A A9B A9C A9D A8A A8B A8C
3-PH/230 V supply Δ - Δ - Δ - Δ - Δ - Δ - Δ -
3-PH/400 V supply Y Δ Y Δ Y Δ Y Δ Y Δ Y Δ Y Δ
Speed(s) rpm 690 900 980 1280 680 890 700 900 700 900 560 690 300 440
Weight of im motor kg 23 - 28 - 28 19 -
Weight of fan motor assembly kg 70 59 66 59 52 48 38
Min. room temperature for storage °C -40
Min. operating temperature °C -40
Insulation class F
Sealing class IP 54
Number of starts Max. 50 / hour
11.3 - Fan with AC motor 3-ph 208 V and 3-ph/400 V to 480 V 60 Hz
■ On a 3-ph 208 V/60 Hz and 230 V/50 Hz electrical network, the motors have 1 rotation speed via delta connection (Δ).
■ On a 3-ph/400 to 480 V/60 Hz electrical network, the motors have 1 rotation speed via star connection (Y):
Impeller diameter mm 910 800
Motor type B9A B9B B9C B8A B8B B8C B8D
3-ph 208 V/60 Hz supply Δ Δ Δ - - Δ Δ
3-ph/400 to 480 V/60 Hz supply Y Y Y Y Y Y Y
Speed(s) rpm 1100 1000 800 1100 1050 840 520
Weight of im motor kg 28 25 25 23 23 19 19
Weight of fan motor assembly kg 69 66 66 51 51 47 47
Min. room temperature for storage °C -40
Min. operating temperature °C -40
Insulation class F
Sealing class IP 54
Number of starts Max. 50 / hour
12