MCH200*03
- µC
2
:
用于
2/4
压缩机冷水机组（一个或两个回路） 的控制器
/ Electronic controller for chillers with 2/4 compressors (one and two circuits)
感谢您选择卡乐产品，我们相信您会对卡乐产品感到满意！
前言
μC
2
是可编程电子控制器，它用于全面管理那些一个回路(两个涡旋压缩机)的冷水机组、热泵、冷凝机组和
风/风机组。其扩展卡
(
代码
. MCH200002*)
允许最多管理两个回路和四个涡旋压缩机。
连接器的特点
阴性接头
(MCH2CON0**)
及线缆可以从
CAREL
单独购买或者从厂商
Molex
购买
:
插针数量为
12
和
14
的连接器的
触点代码和允许的线缆横截
面积
(
压
线操作请使用代码为
69008-0724
的专用
Molex
工
具
):
接头
Molex
代码
插针数量
Molex
触点代码
允许的线缆横截面积
39-01-2120
12
39-00-0077
AWG16 (1.25 mm
2
)
39-01-2140
14
39-00-0038
AWG18-24 (0.90-0.35 mm
2
)
39-00-0046
AWG22-28 (0.22-0.06 mm
2
)
最大通/断数：
25
个循环。
卡乐可提供预先压好的线材组件，代码是
MCHSMLC***.
装配说明
NTC/
公制比例传感器的最大长度:
10 m
开关量输入连接线缆的最大长度:
10 m
电源输出连接线缆的最大长度:
5 m
风扇控制输出连接线缆的最大长度:
5 m
电源线的最大长度:
3 m
tLAN
连接线的最大长度:
10 m
某些输入输出的使用是由参数的配置来确定的。
配置图示例
连接端子排
连接端口
描述
14
针
G-G0
μC
2
电源
B1-GND
环境温度传感器（风-风机组），水冷蒸发器进口温度传感器（水冷机
组），送风温度传感器
B2-GND
蒸发器出水温度传感器，防冻加热器控制
B3-GND
水冷压力传感器，辅助电加热
ID1-GND
通过参数
P8
设置输入功能（参看用户手册）
ID2-GND
通过参数
P9
设置输入功能（参看用户手册）
ID3-GND
高压开关
ID4-GND
低压开关
ID5-GND
来自外部触点的开机/待机信号，或作为冷凝机组逆向循环运行信号
Y-GND
PWM
信号输出，用作冷凝风机控制
12
针
No1- C1/2
压缩机1
No2- C1/2
辅助电加热/四通阀
1
（参数
H11
）
No3- C3/4
蒸发器水泵/（风机）(风-风机组)（参数
H11
）
No4- C3/4
压缩机
2/
压缩机
1
能量控制
/
四通阀
1
（参数
H11
）
No5- C5
报警
可拆卸
2
针端
子
(tLAN)
TxRx - GND
配有一个扩展板可以连接到
μC2
上用于控制第二回路（代码
MCH00002*
）
和电子膨胀阀驱动模块
EVD000040*
可拆卸
3
针端
子
(B4/DB4)
B4-GND(V+
公制
有源压力传感器
的电源端
)
开关量输入
IDB4
（参数
P13
）/公制冷凝压力传感器/室外温度传感器。通
过参数
“/4”
进行配置
参数化编程钥匙选件
面板安装型：在断开控制器电源的情况下，把
PSOPZKEY00
插入
KEY/SPV
接口。使用可拆卸
12
针接头（继
电器）连接或断开串行选件和编程钥匙。
DIN
导轨安装型：在断开控制器电源的情况下，移开底部的封盖把
PSOPZKEY00
插入专门的接口
注意：配置跳线必须插在
A
位置（参看技术（
MCH200485*
）
监控选件
面板安装型： 连接串行选件（
MCH200485*
）至接口
KEY/SPV
DIN
导轨安装型：移开底部的封盖，在专门的接口插入监视卡
FCSER00000
将
485
屏蔽电缆（
2
芯屏蔽）与
GND,T+,T-
端口连接
警告：
•
如果使用寿命单个变压器给
μC²SE
和其附件供电，为了避免损坏设备，把不同控制器或主控制板上的所有
G0
端口连接到变压器的次线圈的同一端口上；所有
G
端口连接到变压器次圈的另一个端口上。
•
对于居住环境中使用，需要使用屏蔽电缆用于
tLAN
连接（
N55014-1
）。
•
避免
V+
和
GND
间短路，不要损坏设备。
•
把电力电缆与传感器，开关量输入和串行电缆分开。
•
使用单独的变压器给电子控制器供电。
抗电击保护和维护注意
在装配，维护和更换设备前需要断开电源。
系统由控制板（
MCH200*03*
）和其它的选件卡（
MCH200002*
，
MCH200485*
，
MCHRTF****
，
CONVO-
NOFF*
，
CONV0/10a*
，
EVD000040*
），这些设备是整合到
I
类或
I I
类设备内。抗电击等级由制造商根据系统
的控制设备整合。为了避免因错误的接线引起短路；制造商必须确保设备内控制内置含有该方面的保护。
RC
阅读并保存
这份指导说明书
配置图示例
/ Configuration example
Fig. 1
G0 B1 B2 B3 ID5 ID3 ID1
G GND GND Y GND ID4 ID2
No1 C1/2 C1/2 C3/4 x C5
N02 No3 No4 C3/4 x No5
cond. probe
outlet probe
inlet probe
low press.
multi funct.
multi funct.
high press.
remote ON/OFF
Line
L
N
To
program key
To
serial link
RS485
option
EV driver
ESP
tLAN
Tx/Rx GND
GND B4 V+
P
pressure
probe
temperature
probe
digita
l
imput
K
ey/SP
V
Line
L
N
EV Driver
EV Driver
Expansion
board
EV driver
Thank you for your choice. We trust you will be satisfied with your purchase.
Introduction
The μC
2
is an electronic controller for the complete management of chillers, heat pumps, condensing units and air/
air units with one circuit and 2 hermetic compressors. The expansion board (code MCH200002*) allows the mana-
gement of up to 2 circuits and 4 hermetic compressors.
Characteristics of the connectors
The connectors can be purchased separa-
tely from CAREL (MCH2CON0**) or from
the manufacturer, Molex:
Contact code and cross-section of the connection cables
to the 12- and 14-pin connectors (for crimping, use the
special Molex tool‚ 69008-0724):
Molex connector code
number of pins
Molex contact code
Cross-section of the cables
allowed
39-01-2120
12
39-00-0077
AWG16 (1.25 mm
2
)
39-01-2140
14
39-00-0038
AWG18-24 (0.90-0.35 mm
2
)
39-00-0046
AWG22-28 (0.22-0.06 mm
2
)
Maximum number of connections/disconnections: 25 cycles. The pre-wired kits MCHSMLC*** are also avai
-
lable.
Assembly instructions
Maximum connection cable length, NTC/Ratiometric probes:
10 m
Maximum connection cable length, digital inputs:
10 m
Maximum connection cable length, power outputs:
5 m
Maximum connection cable length, fan control output:
5 m
Maximum length, power cables:
3 m
Maximum length of tLAN connection cables:
10 m
The use of some inputs/outputs depends on the configuration of the parameters.
Configuration example
Connector
Connection
Meaning
14 pin
G-G0
μC2 power supply
B1-GND
Ambient air probe (air-air units), evaporator water inlet probe (water chillers),
outlet air probe
B2-GND
Evaporator water outlet probe, anti-freeze heater control
B3-GND
Condensing pressure control probe, auxiliary heater
ID1-GND
Multifunction input configured by parameter P8 (see user manual)
ID2-GND
Multifunction input configured by parameter P9 (see user manual)
ID3-GND
High pressure switch
ID4-GND
Low pressure switch
ID5-GND
ON/STANDBY from external contact, reverse cycle in operation as conden
-
sing unit
Y-GND
PWM output for condenser fan module operation
12 pin
No1- C1/2
Compressor 1
No2- C1/2
Auxiliary heater/ reversing valve 1 (parameter H11)
No3- C3/4
Evaporator pump /(fan) (air/air units) (parameter H11)
No4- C3/4
Compressor 2 / capacity-control comp. 1 / reversing valve 1 (parameter H11)
No5- C5
Alarm
removable 2
pin (tLAN)
TxRx - GND
It allows connecting μC2 with the expansion board for the management of the
second
circuit (code MCH00002*) and valve driver module
EVD000040*
removable 3
pin (B4/IDB4)
B4 - GND (V+
power supply ra
-
tiometric probe)
Digital input IDB4 (parameter P13)/ Ratiometric condensing pressure probe /
Outside temperature probe
Can be configured by parameter “/4”
Parameter programming key option
With the controller OFF, insert the key PSOPZKEY00 in the connector KEY/SPV. Connect and disconnect the serial
and programming key options with the 12-pin connector (relay) removed.
Note:
the configuration jumper must be inserted in position A (technical leaflet MCH200485*)
Supervisor option
Connect the serial option (code MCH200485*) to the connector KEY/SPV.
Warnings
• If using a single power transformer for the μC
2
SE and the accessories, connect all the G0 terminals on the various
controllers or boards to the same terminal on the secondary, and all the G terminals to the other terminal on the se
-
condary, to avoid damaging the instrument;
• For use in residential environments, a shielded cable (con shield) is required for the tLAN connections (EN
55014-1);
• Avoid short-circuits between V+ and GND so as to not damage the instrument:
• Separate the power cables (relay outputs) from the probe, digital input and serial cables;
• Use the power transformer exclusively dedicated to the electronic controllers.
Protection against electric shock and warnings for maintenance
Disconnect the power supply before working on the board during the assembly, maintenance and replacement ope
-
rations.
The system made up of the control board (MCH200*03*) and the other optional cards (MCH200002*, MCH200485*,
MCHRTF****, CONVONOFF*, CONV0/10A*, EVD000040*) represents a control device to be incorporated in class I
or class II equipment. The class of protection against electric shock depends on how
the control device is integra
-
ted into the unit made by the manufacturer.
The protection against short-circuits, due to defective wiring, must be guaranteed by the manufacturer of the equip
-
ment that the control device is built into.
+05C002870 - rel. 1.3 - 17.11.2005
G0 B1 B2 B3 ID5 ID3 ID1
G GND GND Y GND ID4 ID2
cond. probe
outlet probe
inlet probe
low press.
multi funct.
multi funct.
high press.
remote ON/OFF
GND B4 V+
GND T+ T-
P
pressure
probe
temperature
probe
digital
input
Line
L
N
No1 C1/2 C1/2 C3/4 x C5
No2 No3 No4 C3/4 x No5
Line
L
N
Expansion
board
EV Driver
tLAN
Tx/Rx GND
Top
Bottom
To serial lin
k
Serial board
Programming key
EV Driver
EV driver
ESP
EV driver
DIN
Fig. 2
配置图示例
/ Configuration example