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54208003-13 

 

 

 

 
 

 

 
 
 

 

 

 
 
 

 

 

 
 

 

 

1.

 

TEV Ltd recommend that personnel working on this equipment be skilled and fully conversant with 
the appropriate Air Conditioning, Refrigeration and Electrical practices and have sound knowledge
of current Industrial Safe Working practices. 

2.

 

These units contain live electrical components, moving parts and refrigerant under pressure. 
Always site out of reach of children and protect from vandalism. 

3.

 

The units have fan speed control, start delay timer, HP and LP switches and a contactor fitted as 
standard 

4.

 

The data plate only gives information for the outdoor unit. For system details add input power and 
current of indoor and outdoor unit, including any heater load. 

5.

 

FUSES- for recommended fuse size see indoor unit instructions. 

INSTALLATION INSTRUCTION 

DCU+ OUTDOOR UNITS & DHPU(L) OUTDOOR HEAT PUMP UNITS

 

Summary of Contents for DCU+ 15

Page 1: ...g parts and refrigerant under pressure Always site out of reach of children and protect from vandalism 3 The units have fan speed control start delay timer HP and LP switches and a contactor fitted as...

Page 2: ...560 1174 490 65 65 240 392 865 404 81 DCU 60 1100 510 560 1174 490 65 65 240 392 865 404 81 DCU 80 1100 510 560 1174 490 65 65 240 392 865 404 84 DHPU L 15 930 510 495 1004 490 65 120 210 317 757 354...

Page 3: ...ers to suit IMPORTANT The stabilizing brackets provided MUST be used when suspending a unit Fit the stabilizing brackets to the top corners of the backpanel and front face using the No 10 screws provi...

Page 4: ...n thickness of at least 45mm is recommended 1 To maximise performance pipe runs should be kept as short as possible However individual pipe runs to a maximum of 80m 50m on sizes 15 20 including 20m li...

Page 5: ...Use the shortest possible route avoiding sharp bends 5 Fully insulate both the suction and expansion lines including the expansion device since both lines may sweat FITTING LOSSES in equivalent strai...

Page 6: ...check valve is needed The expansion assembly and line must be fully insulated Note The indoor units listed below are fitted with heating capillarys WM60H WM80H WM100H CC875 80H CC875 110H CC875 140H H...

Page 7: ...le charge to a sweat line on the evaporator Typical suction pressures on short lines at UK conditions with maximum evaporator and condenser fan speeds i e during commissioning will be 55 60 psig Take...

Page 8: ...t to suit the refrigerant It may be necessary to adjust this to suit site conditions to raise or lower the nominal head pressure a With the system switched off connect a high pressure gauge to the liq...

Page 9: ...hanges per turn of adjusting screw Pressure change 1 4 0 12 5 bar Clockwise 1 2 bar counter clockwise 1 2 bar Pressure change 2 9 2 21 2 bar Clockwise 2 5 bar counter clockwise 2 5 bar Pressure change...

Page 10: ...hed cables ElectromechanicalSystems Systems including an electromechanical indoor unit require a supply to the condensing unit with connecting cables run to the indoor unit Electronic Systems It is re...

Page 11: ...400V 3 50Hz disjoncteur a fournir 400 3 N 50 abgesicherts versorgung 400V 3 50Hz S S 1 3 7 S S Signal Ansteurung 230V 50Hz 1 3 7 S S SIGNAL 1 230V 50Hz 7 POWER TO SUIT SUPPLY FUSE PUISSANCE FOURNIR U...

Page 12: ...characteristics that allow starting of the compressor yet still afford close overcurrent protection under running conditions The ratings shown are for HRC motor rated fuses DUCTED UNITS DCU 15 DCU 20...

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