Andrews WH and WHX Single Water Heater Installation with ST Range Storage Cylinder
Fig No.10
Remote
controller set
to 70ºC
Gas
Supply
Pump
(See Fig. No’s. 12/13)
HWS
flow
Storage
cylinder
Tank thermostat kit (part no.
C927) set to 65ºC
Cold Supply
NB. Size mains pressure group
to suit building design flow rate
Gas rate for NG units
WH42 - 5.1 m
3
/hr
WH56, WHX56 - 6.5 m
3
/hr
Gas rate for Propane units
LWH42 - 1.9 m
3
/hr
LWH56, LWHX56 - 2.5 m
3
/hr
Dynamic Pressure
NG 20 mbar
Propane 37 mbar
1
2
3
4
5
6
7
1. Stop cock
2. Strainer
3. Pressure reducing valve
4. Non return valve
5. Expansion vessel
6. Expansion valve + tundish
7. Andrews bronze pump c/w
ball valve unions (part no.
B249)
8. Combined temperature
and pressure relief valve
+ tundish
Please refer to the
FASTflo Specification
Sheet and Flue Selection
Guide for Flue Kit and
termination details
Hot Outlets
8
Содержание LWH56
Страница 18: ...Dimensions WH42 LWH42 WH56 and LWH56 Fig No 15...
Страница 19: ...Dimensions WHX56 and LWHX56 Fig No 16...
Страница 20: ...WH42 LWH42 WH56 and LWH56 Pre assembled dual manifold unit dimensions Fig No 17...
Страница 21: ...WH42 LWH42 WH56 and LWH56 Pre assembled triple manifold unit dimensions Fig No 18...
Страница 22: ...WHX56 and LWHX56 Pre assembled dual manifold unit dimensions Fig No 19 Note Pipework covers are optional...
Страница 23: ...WHX56 and LWHX56 Pre assembled triple manifold unit dimensions Fig No 20 Note Pipework covers are optional...
