Negative Temperature Cold Room With Three Phase Defrost And Fan - Johnson Controls MR12DR230-1C Manual

CR1
N
egative temperature cold room with three phase defrost and evaporator fan
Selection table:
Item code Power
supply
V ac
400
CR-NFDT150-1
400
CR-NFDT400-1
400
CR-NFDT750-1
Wiring diagram
7L4
1L1
3L2
5L3
M ain
Q 1
S w itch
1L1 3L2 5L3
Fan
C ircuit
B reaker
3 ~ 400 V
I> I> I>
2T1 4T2 6T3
K3
A 1 1L1 3L2 5L3 7L4
A 2 2T1 4T2 6T3 8T4
F a n
3 ~ 40 0 Vo lts
WIRING DIAGRAM FOR:
Negative temperature cold room- three phase Compressor, Defrost and Evaporator Fan
© 2010 Johnson Controls, Inc.
Compressor
Power
Φ Φ Φ Φ
AC-3 Amps
3 1,5 kW 3,5
3 4,0 kW 8,5
3 7,5 kW 15,5
Fuses
D efro st
C ircuit
Breaker
K2
A 1 1L1 3L2 5L3 7L4
A 2 2T1 4T2 6T3 8T4
D efrost
230 V 3~
CR-NFDT150-1 / CR-NFDT400-1 / CR-NFDT750-1
Evap. Cond. Fan /
Fan Door frame
heater
Amps
3 x 2 5
3 x 2 5
3 x 2 5
A m bient Sensor
1L1 3L2 5L3
C om pressor
C ircuit
B reaker
3 ~ 400 V
I> I> I>
2T1 4T2 6T3
Fuses
C ircuit
B reaker
K1
A 1 1L1 3L2 5L3 7L4
A 2 2T1 4T2 6T3 8T4
C ond. Fan /
D oor fram e
P ress ure
sw itch
C o m pre s so r
3 ~ 40 0 Vo lts
B P
21
Defrost Cabinet
Size
Amps modules
3 x 5 36
3 x 10 36
3 x 16 36
E vaporator Sensor
C ontact
A 99 A 99
pum p
down
B 1 A D A B 2 A
M R 15D R 230
N N 13 N 7 N
A larm
230V~
0,5 A
F1
23 24
H P
22
Catalogue Section 9
9
Shipping
weight
Kg
5,3
5,3
5,3
11 10
4 N 4' 3'
Valve
Pum p
d own