Grundfos LC/LCD Level Controllers for Pressurised Pumping Stations
The Grundfos LC/LCD series provides reliable level control for correct operation and protection of your pump stations. Designed especially for Grundfos pump systems, these controllers feature integrated switch and protection gear ensuring a perfect technology match. Available for single pump (LC) or dual pump (LCD) configurations, the LC/LCD range delivers comprehensive control, monitoring, and alarm functions for wastewater and water supply applications.
As an authorized Grundfos Water Pump Dealer in Dubai, we supply the complete LC/LCD controller range with genuine warranty and technical support across the UAE.
Model Range Overview
| Model | Level Sensing Method | Sensors Supported |
|---|---|---|
| LC/LCD 107 | Air level bells | Up to 3 air level bells |
| LC/LCD 108 | Float switches | Up to 4 float switches |
| LC/LCD 110 | Electrodes | Up to 5 electrodes |
Motor Compatibility
| Starting Method | Motor Size Range |
|---|---|
| Direct On-Line (DOL) | Up to 11 kW |
| Star-Delta (Y-Δ) | Up to 30 kW |
All models are excellent for direct on-line start motors up to 11 kW. For applications requiring larger motors, the LC/LCD range can be supplied with an integrated star-delta starter supporting motors up to 30 kW.
Unique Features
Automatic Alternating Operation (LCD Models) Dual-pump LCD controllers automatically alternate between pumps, ensuring even wear distribution and extended equipment life.
Automatic Test Run Scheduled test runs verify pump operation and prevent issues from extended standby periods.
Water Hammer Protection Controlled pump start and stop sequences protect piping systems from damaging pressure surges.
Automatic Alarm Reset and Restart Configurable automatic reset and restart functions reduce manual intervention requirements.
Liquid Level Indication Real-time level display enables operators to monitor station status at a glance.
High-Level Alarm Overflow detection and warning protects against flooding and environmental incidents.
Motor Overload Protection Relay Integrated overload protection prevents motor damage from excessive current draw.
PTC/Thermal Switch Protection Input for PTC or thermal switch protects against motor overheating conditions.
Battery Backup Maintains controller operation during power outages, ensuring alarm transmission and data retention.
Alarm Protection Comprehensive alarm system safeguards pump station operation and alerts operators to issues.
Control Functions
| Function | Purpose |
|---|---|
| Emptying Function | Secure sewage transportation |
| Pump Start Order Alternation | Ensure even use of each pump |
| Parallel Running (Second Start Level) | Secure maximum pump capacity |
| Pump Start and Stop Delays | Avoid water hammer, mains supply protection |
| Anti-Seizing | Protection against corrosion effects |
Alarm Functions
| Alarm Type | Detection Method |
|---|---|
| High Water Level | Detect and warn of overflow |
| Pump Circuit Failed | Klixon, moisture switch, thermal switch, insulation monitoring |
Monitoring Functions
| Parameter | Purpose |
|---|---|
| Starts per Pump (Daily and Cumulative) | Verify correct operation of duty/standby alternation |
| Operating Hours per Pump (Daily and Cumulative) | Verify correct design of the pumping station |
Communication Capabilities
| Feature | Description |
|---|---|
| Modem Support | Remote communication capability |
| GSM Modem | Cellular network connectivity |
| SMS Transmit & Receive | Text message alerts and control |
SMS Functionality: In an alarm situation, the SMS modem option sends a text message directly to your mobile phone. Operating data for each pump, including running hours and starts, can be retrieved by sending an SMS to the controller—enabling remote monitoring without site visits.
Applications
Commercial Buildings
- Basement sewage collection
- Grey water pumping
- Building drainage systems
Private Homes
- Domestic sewage lifting stations
- Below-grade bathroom installations
- Septic system transfer
Municipal Wastewater Mains
- Network pumping stations
- Collection system lift stations
- Sewage transfer points
LC vs LCD Selection Guide
| Feature | LC (Single Pump) | LCD (Dual Pump) |
|---|---|---|
| Number of Pumps | 1 | 2 |
| Alternating Operation | N/A | Automatic |
| Parallel Running | N/A | Yes (on high level) |
| Redundancy | None | Duty/Standby |
| Typical Application | Small pits, single pump stations | Larger stations requiring backup |
Grundfos Control System Hierarchy
The LC/LCD controllers are part of the comprehensive Grundfos control system range:
LC/LCD Level Controllers For pressurised pumping stations with one or two pumps. Ideal for commercial buildings, private homes, and municipal wastewater mains.
Dedicated Controls For network pumping stations with up to two pumps and a mixer. Features graphical display, SCADA compatibility, advanced alarm scheduler, and early warning capabilities.
Modular Controls For main pumping stations with up to six pumps and a mixer. Includes water level and flow measurement, pump efficiency monitoring, specific energy tracking, and overflow monitoring.
Available Accessories
Enhance your LC/LCD installation with genuine Grundfos accessories:
- Signal lamp for visual status indication
- Acoustic signal for audible alarms
- External main switch for isolation
- Battery backup for power failure protection
- GSM modem for SMS communication
- Level sensors (air bells, float switches, electrodes)
Why Choose Grundfos LC/LCD Controllers?
Perfect Match Designed specifically for Grundfos pump systems, ensuring optimal integration and performance.
Comprehensive Protection Multiple protection layers including overload relay, thermal protection, and water hammer prevention safeguard your investment.
Remote Monitoring SMS capability enables alarm notification and data retrieval without site visits.
Flexible Level Sensing Three model variants support air level bells, float switches, or electrodes to match your installation requirements.
Scalable Motor Support From small DOL motors up to 11 kW through star-delta starting for motors up to 30 kW.
Battery Backup Maintains operation and alarm transmission during power interruptions.
Genuine Grundfos Accessories & Parts
Maintain optimal LC/LCD controller performance with genuine Grundfos accessories including level sensors, GSM modems, signal lamps, acoustic alarms, battery backup units, and replacement components. We stock parts for all LC/LCD series models.
Select Grundfos Pumps
Browse our complete inventory of Grundfos LC/LCD level controllers and compatible sewage pumps. As Grundfos Pump Suppliers in Dubai, we provide competitive pricing, technical consultation, and prompt delivery across Dubai, Sharjah, Abu Dhabi, Ajman, and all UAE locations.
Contact us for:
- LC vs LCD model selection
- Level sensing method recommendations (107/108/110)
- Motor starter requirements (DOL vs Star-Delta)
- SMS modem configuration
- Accessory requirements
- Competitive quotations
- Delivery schedules
Reliable Protection for Your Pumping Stations
The Grundfos LC/LCD level controller series delivers the control, monitoring, and protection functions essential for reliable pumping station operation. With automatic alternation, comprehensive alarms, SMS communication, and battery backup, these controllers ensure your pump station operates correctly while keeping you informed of any issues—whether you’re on-site or monitoring remotely.