Products

STP - STR Heat Recovery Side x Side

DIRECT DRIVE SIDE X SIDE HEAT RECOVERY UNITS

Features

Larger sizes for plant and external installation
Can be with electric or LPHW heater batteries
11 standard sizes, airflow to 12 m³/sec
Wide selection of control panels available

STP - STR STP - STR Heat Recovery Side x Side

Cases - Plant Models

Robust 30 x 30 (30 x 50 on larger units) extruded aluminium frame
Black plastic corner joints
Finished in galvanised, double skinned steel with 25mm thick mineral wool slab insulation of 45 kg/m³ density (providing high degree of acoustic insulation) (50mm panels with high density mineral wool and plasterboard also available for lower sound levels)
Steel channel base running full length of unit with cross members at suitable locations
Flush fitting panels
Filter and access section panels fitted with easy access fasteners - other removable panels retained via roofing bolts

Cases - Weatherprooof Models

CASE CONSTRUCTION AS PLANT MODELS, EXCEPT:
Outer skin with plastic coated finish (grey to BS10A05 as standard)
Weatherproof lid fitted
Air intake and discharge via weather cowl or louvre fitted with birdmesh guard

Specification

Backward curved direct drive plug style impellors.
Fan impellers are statically and dynamically balanced in accordance with ISO 14694 and ISO 1940/1. Supplied as standard with pre-greased sealed for life bearings having L10 life of 20,000 hours at peak performance
Fan and motors pre-wired to inverter and isolator
Standard motors of squirrel cage induction type, totally enclosed, fan cooled, suitable for 3ph, 50Hz electricity supply, IE2
Motors with IP55 protection and Class F rating
High efficiency EC motors available as an option, depending on duty requirement
Fan and motor are mounted on a common chassis frame isolated from casing via rubber anti-vibration mounts and flexible connector fitted to fan inlet. Transit bolt fitted to prevent damage during transport
LPHW batteries are constructed from copper tubes mechanically bonded onto aluminium fins supplied with standard BSP male connectors. Option of vinyl coating (copper and electro-tinned copper also available). The coil casing is in galvanised sheet steel
Drain tray and moisture eliminator plates manufactured from polypropylene fitted as standard to cooling coils. Coils are mounted on slide-in channels to aid removal
Electric heater batteries for single and 3 phase operation are manufactured from sheathed rod elements with an integral manual reset thermal cut-out for wiring into control unit. It is recommended that fan run-on timer is incorporated in controls to prevent possible heat damage
Panel filters to G4 grade mounted in slide-in channels. Bag filters of F6 and above are mounted in purpose made front with drawal holding frames and retained by spring loaded clips
Intake and discharge dampers of opposed blade, multi-leaf type fitted aerofoil section blades. Extended shaft for fitting of suitable motors is provided as standard
The cross flow type heat exchangers have UPVC exchange plate, UPVC casework with maximum pressure differential of 1000 Pa and operating envelope of 20-60ºC. Provides winter heating and summer cooling. Motorised bypass damper fitted as stan dard. Stainless steel drain pan provided on the exhaust side
Attenuators manufactured with galvanised sheet steel case fitted with "Mez" type flange at each end.
Manufactured in UK to ISO 9001