Relay Connections - Armstrong Design Envelope 4302 Installation And Operating Instructions Manual

i nstal l a tion &
op era ti ng i nstr uctions
12
fig. 2 .3a Mains and grounding connections for b1 and b2
units (200-240V - 2 to 7.5hp 1ph / 7.5 to 20hp
3ph, 380-480V - 15 to 40hp, 525-600V – 15
to 50hp)
95
fig. 2 .3b Mains and grounding
connections for c1 and c2 units
(20 0 -2 40V – 25 to 6 0hp, 380 -480V
– 50 to 125hp, 5 25- 6 0 0V – 6 0 to
125hp)

2 .3 . 4 relay connections

The relays on the ivs are configured as follows:
Relay 1 – alarm
• Terminal 01: Common
• Terminal 02: Normal Open 240v ac
• Terminal 03: Normal Closed 240v ac
Relay 2 – run status
• Terminal 04: Common
• Terminal 05: Normal Open 400v ac
• Terminal 06: Normal Closed 240v ac
fig. 2 . 4 rel ay contact details
Relay 1
03
240v ac, 2a
02
01
Relay 2
06
240v ac, 2a
05
400v ac, 2a
04
Design Envelope 4302 & 4382
Vertical In-line Pumping Unit
91 92 93
L1 L2 L3
95
The following illustrations identify the location of the relays
within specific inverter sizes:
The illustrations in figures 6, 7 and 8 identify the location of
the relays within specific inverter sizes:
fig. 2 .5 rel ay connection: terminals for a5 , b1
and b2 units
fig. 2 .6 rel ay connection terminals for c 1
and c2 units