Xylem IM167 R8 Aquavar CPC (Centrifugal Pump Control) - Manual (Page 137)

137
Control Connection
Control Connection Specifications
Analog Inputs
See table heading “Hardware Description” on page 29.
and Outputs
Digital Inputs
Digital input impedance 1.5 kΩ. Maximum voltage for digital
inputs is 30 V.
• Maximum contact voltage: 30 V DC, 250 V AC
• Maximum contact current / power: 6 A, 30 V DC; 1500 VA, 250 V AC
• Maximum. continuous current: 2 A rms (cos ϕ = 1), 1 A rms
Relays (cos ϕ = 0.4)
(Digital Outputs) • Minimum load: 500 mW (12 V, 10 mA)
• Contact material: Silver-nickel (AgN)
• Isolation between relay digital outputs, test voltage:
2.5 kV rms, 1 minute
Cable Specifications See “Control Cables” on page 17.
Efficiency
(Frames R1-R8)
Approximately 98% at nominal power level.
Cooling
(Frames R1-R6)
Cooling Specifications
Method Internal fan, flow direction from bottom to top.
Free space around the unit:
Requirement • 200 mm (8 in) above and below the unit.
• 25 mm (1 in) along each side of the unit.
TECHNICAL DATA