VLT® Compressor Drive CDS 803
Operating Guide
Relay 01 and 02
Maximum terminal load (AC-1)
(3)
Maximum terminal load (AC-15)
@ cosφ 0.4)
Maximum terminal load (DC-1)
Maximum terminal load (DC-13)
Maximum terminal load (AC-1)
Maximum terminal load (AC-15)
@ cosφ 0.4)
Maximum terminal load (DC-1)
Maximum terminal load (DC-13)
Minimum terminal load on 01–03 (NC), 01–02 (NO), 04–06 (NC),
04–05 (NO)
Environment according to EN 60664-1
IEC 60947 parts 4 and 5. Endurance of the relay varies with different load type, switching current, ambient temperature, drive configuration, work-
1
ing profile, and so forth. Mount a snubber circuit when connecting inductive loads to the relays.
Overvoltage Category II.
2
UL applications 250 V AC, 3 A.
3
The relay outputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
6.4.9 RS485 Serial Communication
Terminal number
Terminal number
The RS485 serial communication outputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
6.5 Ambient Conditions
Enclosure protection rating
Enclosure kit available
Maximum vibration exposure
Maximum relative humidity
Aggressive environment (IEC 60721-3-3), coated (standard), en-
closure sizes H3–H5
Aggressive environment (IEC 60721-3-3), non-coated enclosure
size H6
Environmental testing (IEC 60068-2-43 H2S)
Ambient temperature, enclosure sizes H3–H5, 6–10 kW/8–15 hp
Ambient temperature, enclosure size H5, 18–22 kW/25–30 hp
Ambient temperature, enclosure size H6, 30 kW/40 hp
Minimum ambient temperature during full-scale operation
Minimum ambient temperature at reduced performance, enclo-
sure sizes H3–H5
Minimum ambient temperature at reduced performance, enclo-
sure size H6
Temperature during storage/transport
Maximum altitude above sea level without derating
Maximum altitude above sea level with derating
38 | Danfoss A/S © 2021.06
on 04–05 (NO) (Resistive load)
(1)
on 04–05 (NO) (Inductive load
(1)
on 04–05 (NO) (Resistive load)
(1)
on 04–05 (NO) (Inductive load)
(1)
on 04–06 (NC) (Resistive load)
(1)
on 04–06 (NC) (Inductive load
(1)
on 04–06 (NC) (Resistive load)
(1)
on 04–06 (NC) (Inductive load)
(1)
(1)
01–03 (NC), 01–02 (NO), 04–06 (NC), 04–05 (NO)
(2)
Overvoltage category III/pollution degree 2
5–95% (IEC 60721-3-3; Class 3K3 (non-condensing) during opera-
(1)
(1)
Specifications
400 V AC, 2 A
240 V AC, 0.2 A
80 V DC, 2 A
24 V DC, 0.1 A
240 V AC, 4 A
240 V AC, 0.2 A
50 V DC, 2 A
24 V DC, 0.1 A
24 V DC 10 mA, 24 V AC 20 mA
68 (P, TX+, RX+), 69 (N, TX-, RX-)
61 common for terminals 68 and 69
IP21, TYPE 1
Class 3C3
Class 3C2
10 days
50 °C (122 °F)
52 °C (125.6 °F)
45 °C (113 °F)
0 °C (32 °F)
-20 °C (-4 °F)
-10 °C (14 °F)
-30 to +65/70 °C (-22 to +149/158°F)
1000 m (3281 ft)
3000 m (9843 ft)
AQ32174876762701-000301 / 130R0627
IP20
1.0 g
tion)