30HXY/HXC
螺杆冷水机组
名义制冷量 335-1392kW
www.zhulong.com
开机 运行维护手册
2003 年 11 月版
上海一冷开利空调设备有限公司
SHANGHAI YILENG CARRIER AIR-CONDITIONING EQUIP. CO., LTD.
开机 运行维护手册 30HXY/HXC
上海一冷开利空调设备有限公司
目 录
目
录
介绍 ...................................................................................................................................................................1 1.1 1.2 1.3 1.4
安装安全要求 ...................................................................................................................................... 1 维护安全措施 ...................................................................................................................................... 1 维修安全措施 ...................................................................................................................................... 2 电气安全要求 ...................................................................................................................................... 2
1.
2.
预检 ...................................................................................................................................................................3 2.1 2.2 2.2.1 2.2.2
设备进场的检验.................................................................................................................................. 3 机组的搬运和就位.............................................................................................................................. 3 机组的搬运 .....................................................................................................................................3 机组的就位 .....................................................................................................................................3
3.
外形尺寸 安装间隙 .......................................................................................................................................4
3.1 30HXY110A................................................................................................................................................ 4
3.2 3.3 3.4
30HXC130A-200A ..................................................................................................................................... 5 30HXC250A-300A ..................................................................................................................................... 6 30HXC350A-400A ..................................................................................................................................... 7
4.
吊装指导 ...........................................................................................................................................................8
5.
技术规格 ...........................................................................................................................................................9
机组技术参数........................................................................................................................................ 9 机组制冷剂和润滑油参数............................................................................................................... 10
5.1 5.2
6.
应用数据 .........................................................................................................................................................10
机组运行范围 .................................................................................................................................... 10 最小冷水流量 .................................................................................................................................... 11 最大冷水流量 .................................................................................................................................... 11 变流量蒸发器 .................................................................................................................................... 12 系统最小水容量................................................................................................................................ 12 冷水流量范围冷却水流量范围
T/HT/H
..................................................................................................................... 13 ................................................................................................................. 13
6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9
蒸发器压降图 .................................................................................................................................... 14 冷凝器压降图 .................................................................................................................................... 15
I
开机 运行维护手册 30HXY/HXC
上海一冷开利空调设备有限公司
7.
电气注意问题 .................................................................................................................................................16
7.1 7.2 7.3 7.4 7.5
允许环境............................................................................................................................................. 16 电源...................................................................................................................................................... 16 电压不平衡
%
............................................................................................................................ 16
电缆截面积......................................................................................................................................... 17 现场控制接线 .................................................................................................................................... 17
8.
管路连接 .........................................................................................................................................................18
管路设计安装注意事项................................................................................................................... 18 典型的水接管图................................................................................................................................ 18 流量控制............................................................................................................................................. 19
8.1 8.2 8.3 8.3.1 8.3.2 8.4 8.5 8.6
蒸发器流量开关和冷水水泵联锁 ............................................................................................19
冷凝器流量开关...........................................................................................................................19 换热器水室的拆卸............................................................................................................................ 20 防冻保护............................................................................................................................................. 20 主从联动操作 .................................................................................................................................... 20
9.
系统主要组件和运行数据 .............................................................................................................................22 9.1 9.1.1 9.1.2 9.1.3 9.1.4 9.1.5 9.1.6 9.2 9.3 9.4 9.5 9.6 9.7
双螺杆压缩机 .................................................................................................................................... 22 油过滤器........................................................................................................................................22 制冷工质........................................................................................................................................22 润滑油............................................................................................................................................22 供油电磁阀 ...................................................................................................................................22 制冷剂滤网 ...................................................................................................................................22 能量调节装置...............................................................................................................................22 蒸发器 ................................................................................................................................................. 22 冷凝器和油分离器............................................................................................................................ 22 电子膨胀阀......................................................................................................................................... 23 经济器 ................................................................................................................................................. 23 油泵...................................................................................................................................................... 23 电机冷却电磁阀................................................................................................................................ 23
10. 维护 .................................................................................................................................................................23
10.1 10.2 10.3 10.4 10.5 10.6
制冷剂充注......................................................................................................................................... 23 制冷剂充注量不足的判断............................................................................................................... 24 添加润滑油......................................................................................................................................... 24 主油过滤器的更换............................................................................................................................ 25 油过滤器更换周期............................................................................................................................ 25 油过滤器更换步骤............................................................................................................................ 25
II
开机 运行维护手册 30HXY/HXC
10.7 10.8 10.9 10.10 10.11 10.12
上海一冷开利空调设备有限公司
压缩机反向保护控制维修人员用......................................................................................... 25
电子膨胀阀故障排除过程............................................................................................................... 25 安全阀 ................................................................................................................................................. 26 压缩机轴承维护................................................................................................................................ 26 检查压缩机转子................................................................................................................................ 26 检查传热管......................................................................................................................................... 26
10.12.1 10.12.2
蒸发器.......................................................................................................................................26 冷凝器.......................................................................................................................................26
控制系统 PRO-DIALOG PLUS 操作部分 ...........................................................................................................27
11. 一般描述 .........................................................................................................................................................27
11.1 11.2
概述...................................................................................................................................................... 27 缩写...................................................................................................................................................... 27
12. 硬件描述 .........................................................................................................................................................28 12.1 12.2
概述...................................................................................................................................................... 28 电路板 ................................................................................................................................................. 29 12.2.1 12.2.2 12.2.3 12.2.4 12.2.5 12.2.6 12.2.7 12.3 12.3.1 12.3.2 12.3.3 12.3.4 12.3.5 12.3.6 12.4
主电路板 ..................................................................................................................................29 副电路板 ..................................................................................................................................29 用户面板 ..................................................................................................................................29 电路板之间的联接.................................................................................................................29 副电路板地址..........................................................................................................................29 电路板供电..............................................................................................................................30 电路板上的发光二极管 ........................................................................................................30 电子膨胀阀 EXV 控制 .....................................................................................................30
控制功能............................................................................................................................................. 30 .................................................................................................................31背压控制 选项 冷水泵.......................................................................................................................................31
冷却水泵 ..................................................................................................................................31 压力变送器..............................................................................................................................31 温度传感器..............................................................................................................................31
用户接线端子联接............................................................................................................................ 32
13. PRO-DIALOG PLUS 的设定......................................................................................................................34 13.1 13.2
用户界面板特点................................................................................................................................ 34 运行状态............................................................................................................................................. 37
13.2.1 13.2.2 13.2.3
描述...........................................................................................................................................37 在本地模式下停车.................................................................................................................37 开机和更改运行模式.............................................................................................................37
III
开机 运行维护手册 30HXY/HXC
13.3 13.3.1 13.3.2 13.3.3 13.3.4 13.4 13.4.1 13.4.2 13.4.3 13.4.4 13.4.5 13.4.6 13.4.7 13.4.8 13.4.9 13.4.10
上海一冷开利空调设备有限公司
菜单...................................................................................................................................................... 38
选择菜单 ..................................................................................................................................38 选择菜单选项..........................................................................................................................38 修改参数的值/访问下级菜单 ..............................................................................................39 扩充显示 ..................................................................................................................................40 信息菜单的描述 .....................................................................................................................43 温度菜单的描述[2] ...............................................................................................................44 压力菜单的描述[2] ...............................................................................................................45 设定点菜单[2] ........................................................................................................................45 输入菜单的描述 .....................................................................................................................46 输出/测试菜单的描述 ...........................................................................................................47 配置菜单的描述 .....................................................................................................................49 报警菜单的描述 .....................................................................................................................55 报警记录菜单描述.................................................................................................................55 运行时间菜单描述.................................................................................................................56
菜单树型结构 .................................................................................................................................... 41
14. PRO-DIALOG PLUS 操作方法..................................................................................................................57 14.1 14.2 14.3 14.4 14.5 14.6 14.7
启/停控制............................................................................................................................................ 57 制热/制冷选择................................................................................................................................... 57 冷水泵控制......................................................................................................................................... 58 冷却水泵控制 .................................................................................................................................... 58 冷水泵控制连锁触点 ....................................................................................................................... 58 蒸发器加热器控制
适用于风冷机组..................................................................................... 59
控制点 ................................................................................................................................................. 59 14.7.1 14.7.2 14.8 14.9 14.10 14.11 14.12 14.13 14.14 14.15 14.16 14.17 14.18 14.19
当前设定点..............................................................................................................................59 节能修正 ..................................................................................................................................59
能量限制............................................................................................................................................. 59 制冷量控制......................................................................................................................................... 60 定义主回路......................................................................................................................................... 60 回路上载顺序 .................................................................................................................................... 60 压缩机启动顺序................................................................................................................................ 61 电子膨胀阀的控制............................................................................................................................ 61 电机冷却电磁阀控制 ....................................................................................................................... 61 风冷机组的背压控制 ....................................................................................................................... 61 水冷机组的背压控制 ....................................................................................................................... 61 背压设定点的选择............................................................................................................................ 61 高压卸载功能 .................................................................................................................................... 61 过电流卸载功能................................................................................................................................ 62
IV