Johnson Controls CR-NDT150-1, Manual, Page: 7 / 20

Wiring diagram
Negative temperature cold room single phase models
Va lv e
Pu m p
do w n
D efros t
23 0 V ~
rea ker
1P +N
C ircu it
B
C ircu it
~ 400 V
B re aker
3
C o ntactor
Fa n
23 0 Volts
A 9 9
C ontact
pum p
dow n
A 9 9
1L1 3L2 5L3
2T 1 4T 2 6T 3
I> I> I>
A 1 1L1 3L2 5L3
2T 1 4T 2 6T 3 A 2
Compressor
3 ~ 4 00 Volts
M R 1 5D R 230
10 11 B 1 A D A B 2 A
N 13 7 4 N N N N 4’
1 3N
2 4N
A larm
23 0 V~
0,5 A
8T 4
7L4
2 1 2 2
N
2 0
3’
C o m pres sor
C o m pres sor
K1
CB 1
2 3
Cond. Fan /
Door fram e
2 4
A m b ie n t Se ns or E va po ra tor S e n s o r
Negative temperature cold room three phase models
CR1 7
© 2010 Johnson Controls, Inc. Catalogue Section 9