Wall Mounting - Hyco Powerflow Instruction Manual

Plan your installation carefully and choose a suitable position for the heater, allowing suitable space for
accessories such expansion vessels, pipework and subsequent maintenance.
See schematic Diagram 1 for the correct relative positions of the components.
Diagram 1
Temperature and
Pressure Relief Valve Diagram 1
Temperature and
Pressure Relief Valve
POWERFLOW
Hot
Drain Cock
Hot
• Fit all the components supplied, components may be supplied loose or connected to a mainfold.
The manifold aids installation but does not alter the relative positions of the components.
• Do not remove the factory fitted temperature and pressure relief valve.
• Ensure in particular that there are no valves of any kind between the expansion relief vlave and the heater.
• Allow at least 400mm of space above and below the unity to permit for maintenance.
• Observe flow direction arrows on components.

Wall mounting

Drill holes for supplied heavy duty bolts to wall at the spacings shown in the table below (also See Diagram 2).
Insert bolt hooks and tighten ensuring that they are secure then hang heater on the protruding hooks.
POWERFLOW
Pressure
(Expansion)
Relief Valve
To Drain (Waste)
Drain Cock
Balanced
Expansion
Cold Water
Vessel
Draw O
Pressure
Expansion
(Expansion)
Vessel
Relief Valve
Check
Valve
Check
Valve
To Drain (Waste)
Diagram 2
Diagram 2
Model
PF30L
Model
PF50L
PF90L PF30LC
PF50LC
PF90LC
Service
Balanced
Valve
Cold Water
Draw O
Service
Pressure Cold Water
Valve
Reducing Valve Mains
Pressure
Reducing Valve
Vertical Bolt
Spacing A (mm) Spacing B (mm)
270
Vertical Bolt
Spacing A (mm)
520
430 270
520
430
Cold Water
Mains
Horizontal Bolt
320
Horizontal Bolt
Spacing B (mm)
320
320 320
320
320