Atlas Copco ZT 55 - Settings of Safety Valves; Circuit Breakers and Fuses

Item Reading (min - max) Reading (min - max)
Temperature difference, dryer cooling water out 0 - 10 ˚C 0 - 18 ˚F
Other readings
Item Reading
Dryer rotation speed 2 - 11 rph
Dryer direction Anti-clockwise
9.2 Settings of safety valves
Settings
Reference Value Value
Low-pressure safety valve 3.7 bar(e) 54 psig
High-pressure safety valve, ZT/ZR55/75 7.25 bar/105 psi
and ZT/ZR 7.5 bar/109 psi
9.3 bar(e) 135 psig
High-pressure safety valve, ZT/ZR90 7.25 bar/105 psi
and ZT/ZR >7.5 bar/109 psi
11.0 bar(e) 160 psig
9.3 Circuit breakers and fuses
50Hz IEC
ZT/ZR 55
Voltage F21
(A)
Q25
(A)
Q32
Pack and
Full-Feature
(A)
Q32
Full-Feature
ND
(A)
Q41
(A)
Q1
(A)
Fuses Type
2gG
(A)
200 V 134 10.0 10.0 13.0 4.5 2.3 315
230 V 117 8.3 10.1 15.0 4.5 2.1 315
400 V 67 4.8 6.3 8.7 2.6 1.2 160
ZT/ZR75
Instruction book
127
Voltage F21
(A)
Q25
(A)
Q32
Pack and
Full-Feature
(A)
Q32
Full-Feature
ND
Q41
(A)
Q1
(A)
Fuses Type
2gG
(A)
200 V 186 14.0 10.0 13.0 4.5 3.5 400
230 V 159 12.0 10.1 15.0 4.5 3.2 355
400 V 92 7.0 6.3 8.7 2.6 1.2 200
Voltage F21
(A)
Q25
(A)
Q32
Pack and
Full-Feature
(A)
Q32
Full-Feature
ND
Q41
(A)
Q1
(A)
Fuses Type
2gG
(A)
200 V 186 14.0 10.0 13.0 4.5 3.5 400
230 V 159 12.0 10.1 15.0 4.5 3.2 355
400 V 92 7.0 6.3 8.7 2.6 1.2 200
Voltage F21
(A)
Q25
(A)
Q32
Pack and
Full-Feature
(A)
Q32
Full-Feature
ND
Q41
(A)
Q1
(A)
Fuses Type
2gG
(A)
200 V 186 14.0 10.0 13.0 4.5 3.5 400
230 V 159 12.0 10.1 15.0 4.5 3.2 355
400 V 92 7.0 6.3 8.7 2.6 1.2 200