Terminal Box - Emerson Copeland Scroll ZH04K1P Manual

Three-phase compressors (TWD) with external motor protection INT69SU2
For ZHI46K1P compressors the following circuit diagrams can be used:
Power circuit
Motor terminal connections
Legend
A1 ............... Motor protection module INT69SU2
B1 ............... Room thermostat
F1, F6, F8 ... Fuses
F3 ............... HP limiter
F4 ............... LP switch
Figure 10: Wiring diagrams for three-phase compressors with external motor protection

4.2.2 Terminal box

The terminal box is IP21 for ZH04K1P to ZH19K1P and ZHI08K1P to ZHI14K1P models, ie,
TF*/PF*.
For compressor ZHI18K1P single BOM 526 the terminal box is IP21 and for compressor
ZHI18K1P tandem ready BOM 476 the terminal box is IP54.
For ZHI27K1P to ZHI40K1P models, the terminal box is IP54, enclosure class according to IEC
60034-5.
Respect the torques for the screw connections at the terminals according to Table 2 hereunder:
Compressor model
ZH04K1P to ZH09K1P
ZHI05K1P to ZHI08K1P
ZH12K1P to ZH19K1P
ZHI11K1P to ZHI23K1P
ZHI27K1P to ZHI46K1P
Table 2: Torques of screws for electrical connection
C6.2.26/1013-1116/E
Control circuit
L1
N
Three-phase compressors are connected to the
T1, T2 and T3 connections
K1, K2......... Contactors
Q1 ............... Main switch
R2 ............... Crankcase heater
S1 ............... Auxiliary switch
Grounding screw
Terminals screw
torques
2.4 - 2.6 Nm
2.4 - 2.6 Nm
2.4 - 2.6 Nm
F1
K1
K2
T1/L
S1 S2
A1
T2/N
K2
F3
P>
F4
P<
R2
1 2
Maximum thickness
of cable shoe
torques
according to Fig. 11
Fast-on cable shoes
2.4 - 2.6 Nm
1.5 - 2.1 Nm
S1
M1
M2
B1
B1
K1
3 4
1 mm
2 mm
15