Johnson & Starley LE155 & 250 Mk3ErP Installation, Commissioning & Servicing Instructions Download Page 1

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INSTALLATION,

COMMISSIONING

& SERVICING

INSTRUCTIONS

LE155 & 250 Mk3

ErP

High Efficiency

Ventilation System

with Heat Recovery

These instructions are to be left with the User

Publication No. ZZ 1615-2

June 2018

Summary of Contents for LE155 & 250 Mk3ErP

Page 1: ...tarley co uk INSTALLATION COMMISSIONING SERVICING INSTRUCTIONS LE155 250Mk3ErP High Efficiency Ventilation System with Heat Recovery These instructions are to be left with the User Publication No ZZ 1...

Page 2: ...ots General Preparation Condensate 8 Mounting Installation 8 Wall Mounted with Slimline Cooker Hood Mounting in a Loft 9 Duct Duct Connections 9 10 Electrical 10 11 Wiring Diagram 11 12 Commissioning...

Page 3: ...r The unit is supplied assembled for right hand configuration but may be changed to left hand configuration NOTE For additional ancillary equipment e g ducting grilles etc contact the Sales Dept at Jo...

Page 4: ...stalling and using this equipment 5 4 Do not install this appliance where it is liable to be subject to water spray or where ducted air ambient temperature may exceed 40 C 5 5 When the unit is used to...

Page 5: ...ystem Recuperative Thermal Efficiency of Heat Recovery 70 70 Maximum Flow Rate m h 199 241 Electrical Power Input at Maximum Flow Rate W 140 206 Sound Power Level LWA 46 48 Reference Flow Rate m h 139...

Page 6: ...eed control 7 3 PREPARATION OF SPIGOTS 7 3 1 The unit is supplied with 100 125 mm spigots and for satisfactory operation on the unit where the airflow rate is above 33 l s see performance curves on pa...

Page 7: ...already be provided as part of the building design The position of this point relative to where the heat recovery unit is to be installed is to be checked for any appreciable connection misalignment a...

Page 8: ...NOTE For wall types other than masonry prepare the wall to suit a purpose made fixing 8 5 4 Referring to Figure 1 remove the front decor panel and gain access to the electrical panel by removing the...

Page 9: ...the ventilation recovery system and building layout and suitable fire dampers MUST BE FITTED to protect against fire being transmitted through the ducting 9 4 Where rigid ducting is used it should be...

Page 10: ...rown blue green yellow 0 75 mm to BS 6500 connected to a terminal block and exiting through a grommet and cable clamp at the right hand top of the unit NOTE If no external switched line is to be used...

Page 11: ...11 Sales Spares Replacement Help Line 01604 762881 FIGURE 9 LE155 250 Mk 3 WIRING DIAGRAM 11 WIRING DIAGRAM COLOUR CODE BN BROWN BU BLUE BK BLACK GN GREEN GNYE GREEN YELLOW RD RED WH WHITE YE YELLOW...

Page 12: ...ow rate before commencing 12 6 INSTALLER MODE NOTE The install mode has a time out function If the unit has been powered up but not commissioned within 3 hours then you will not be able to access the...

Page 13: ...red airflow See Figure 9 12 6 4 On a larger premises when the required airflow has not been reached set JS9 to position 2 and adjust potentiometer RV2 until the required airflow is reached RED LED FLA...

Page 14: ...3 12 11 1 In warm weather in order to reduce the effectiveness of the heat recovery switch to bypass mode the JS9 switch setting BYPASS reduces the supply fan to the minimum set commissioning speed Th...

Page 15: ...15 Sales Spares Replacement Help Line 01604 762881 FIGURE 14 LE250 Mk3 FAN PERFORMANCE GRAPH FIGURE 13 LE155 Mk3 FAN PERFORMANCE GRAPH 13 FAN PERFORMANCE GRAPHS...

Page 16: ...f not clean by washing in a soapy solution or with a light brush NOTE Under no circumstance must any sharp implement that is likely to distort or puncture the air passage walls be used 14 1 4 Refitmen...

Page 17: ...If fans not speeding up on position one only then preset RV1 on the rear of switches requires adjusting Remove mains wait 20 seconds and reconnect mains Check fuse fuse spur for mains Is there 10 V pr...

Page 18: ...www johnsonandstarley co uk 18 FIGURE 18 LE Mk3 DIMENSIONS 16 DIMENSIONS...

Page 19: ...Circulating Fan H160 0199005 LE260 0198005 1 2 Supply Air Circulating Fan H160 0199005 LE260 0198005 1 3 Heat Exchanger 1000 0300175 1 4 Front Decor Panel H250 0210005 1 5 Sealing Plate Assembly H155...

Page 20: ...n NN4 7LZ sales johnsonandstarley co uk marketing johnsonandstarley co uk Reception Customer Service 01604 762881 Fax 01604 767408 In the interest of continuous development Johnson Starley reserves th...