Parts List - ABB Symphony Harmony Series Instruction

Repair and Replacement
Introduction
Fuse Replacement
Termination Unit Replacement
WBPEEUI260047A0
This section explains the repair and replacement procedures
for an NTHS03 termination unit.
If the fuse opens, replace it with a fuse having an equivalent
rating. Table 4-1 describes the fuse and lists the ABB Automa-
tion part numbers. To replace the fuse:
1. Turn off power to the cabinet.
2. Remove the safety shield.
3. Remove the blown fuse from its holder.
4. Replace the blown fuse with an equivalent fuse.
5. Install the safety shield.
6. Turn on power to the cabinet.
Table 4-1. Parts List
Part Number
1946715?8 Dipshunt
1946984?1 Jumper
1948182?33001 Fuse, 3 A, 250 V (slo blo)
NFWAB17010 0.19-16 (no. 10) x 5/8 in. Phillips-head thread forming
screw
If it is determined that the termination unit is faulty, replace it
with a new one. Do not try to repair the unit; replacing com-
ponents may affect the unit performance and certification.
Section 4
Description
4 - 1