T E C H N I C A L A N D I N S T A L L A T I O N
4
3.
INSTALLATION (130 to 300 Smart Paks)
Domestic:
1. Connect 22mm x 1" FI BSP adaptors to cold water inlet (blue) and hot
water outlet (red) connections on tank.
installed correctly, cold/hot inlet ports are marked on body, i.e. hot to H cold
to C outlet to MIX.
Note:- discharge pipework to tundish is not supplied.
3. Orientate mixing valve hot water outlet to desired position and tighten.
4. Connect Check/Expansion valve to cold water inlet pipe (A) and orientate
Expansion vessel connection to suit installation.
5. Connect Pressure Reducing Valve to Check/Expansion valve (a light
smear of jointing compound to PTFE ring will ease assembly) and orientate
to ensure balanced cold water take-off faces either front or rear (blank
supplied if take-off is not to be used).
6. Remove 3/4" black plastic plug from Check/Expansion valve and fit
Expansion Vessel (seal with PTFE tape).
7. Connect Temperature and Pressure relief valve to 1/2" connection and
orientate into position. Do not run drain discharge pipework across top of
tank.
8. Connect both Temperature and Pressure relief valve/Expansion valve
discharge pipework across top of tank.
9. Install Tundish outlet pipework as per Building regulation G3 (for further
guidance refer to controls installation and maintenance instructions).
Flush pipework and commission.
1. Pressure control valve 3.5bar.
2. Expansion vessel 3.5bar.
3. Check/Expansion valve assembly 6bar.
4. Thermostatic mixing valve.
5. Temperature & pressure relief valve 7bar.
6. Tundish.
7. 22mm Myson MPE222 spring return zone valve.
8. Pipe work kit includes:
1 in No. 22mm equal tee.
1 in No. 22mm elbow.
2 in No. 22mm x 1" FI BSP Adaptors.
5 lengths 22mm Copper tube (A to C on drawing).
Note: Secondary return pipework and fittings are not included in
the kit.
Guidance for Installation.
Parts List.
Installation
Option 1.
