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All dimensions in mm
256
650
58
802
258
81
105
171
374
161
650
787
670
518
105
94
55
269
658
669
705
715
650
794
670
518
158
124
89.5
55
658
679
698
718
528
230
INSTALLATIONCOMMISSIONING
SAFETY:
All relevant safety precautions must be undertaken.
Protective clothing, footwear, gloves and safety
goggles must be worn as appropriate.
PIPEWORK CONNECTIONS:
CH flow 22mmØ copper (28mmØ on
25/32kW model)
DHW flow 22mmØ copper
Mains water inlet 15mmØ
CH return 22mmØ copper (28mmØ on
25/32kW model)
Optional open vent 1'' BSP
Services duct 100mmØ
Drain/optional fill/feed & expansion
3
/
4
'' BSP
Pressure relief pipe 15mmØ
Condensate outlet 21.5mmØ
NOTE: For servicing purposes, keep the
condensate and pressure relief discharge
pipes away from components and pipework
connections.
CAUTION: Ensure there are no pipes,
electric cables, damp proof courses or
other hazards before drilling.
PIPEWORK & FLUE POSITIONS
PIPEWORK & FLUE POSITIONS
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER GREENSTAR HEATSLAVE EXTERNAL 12/18-18/25-25/32
8 716 113 389b (09/07)
19
Condensate
Flue
Services
PRV
Fire valve capillary
& drain access
Flue
Services
Condensate
PRV
Oil
Flue
Services
Condensate
Oil
PRV
LEFT HAND SIDE
RIGHT HAND SIDE
REAR
Fire valve capillary
& drain access