30
INSTALLATION
icos system - Installation and Servicing
35
FILLING
1. Remove the boiler front and sealing panels. Refer to Frames 47 & 48.
2. Swing the control box down into the servicing position - Refer to Frame 49.
3. Ensure that the isolating valves are open.
4. Fill and vent the system. Check for water soundness.
IMPORTANT - when filling:
a. When filling, there may be a slight water leak from the vent
therefore electrical connections should be protected.
b. Bleed any air from the pump and ensure that it is free to rotate.
i. Remove the vent plug
ii. Using a screwdriver, rotate the shaft several times
iii. Replace the vent plug.
Note. Some slight water leakage will occur.
34
WATER CONNECTIONS
nm8461
22mm copper pipe
Isolating valve
(shown in the
open position)
Piping frame
Drain
point
Condensate drain
pipe located here
22mm copper pipe
Isolating valve
(shown in the
open position)
Pressure gauge
FLOW
RETURN
Compression
gas cock
Notes.
1. For heating loads in excess of 60,000 Btu/h
use 28mm x 22mm connectors to connect the
boiler flow and return pipes to 28mm system
pipework.
2. Do not subject any of the isolating valves to
heat as the seals may be damaged.
INSTALLATION
To Next Page
Loading...
Need help?
General