The SLIM Extra HIU is based on the SLIM HIU, however this unit is fitted with an additional combined automatic balancing and control valve, with pipework to connect directly to the central heating system. The HIU is fitted with a tamperproof steel casing, ideal for less secure environments.
| HIU Type | Heating and Hot Water |
| Hot Water Configuration | Indirect |
| Heating Configuration | Direct |
| Heating Temperature Control | No |
| Built-in Heat Meter | Yes |
| Dimensions – HIU Case (mm) | 552 (W) x 654 (H) x 132 (D) |
| Dimensions – inc. Valves (mm) | 552 (W) x 754 (H) x 156 (D) |
| Heating Output (nominal) | 40kW |
| Hot Water Output (nominal) | 65kW |
As standard the HIU controller can accept a switched live signal from the apartment heating controls and is equipped with a wiring centre for all electrical connections including the heat meter MBus connections. A number of optional extras are available, as shown below.
Options
- Decorative white steel casing wrap
- Pre-plumbing jig
- Various heat meter models
- Landlord security Isolation
- DHW recirculation pump kit (for mounting external to casing)
- Water hammer arrestor
- ModBus communication module
- SLIM Plus – 80kW DHW output
Downloads
SLIM Extra Datasheet SLIM Extra Installation Instructions